diff options
author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:29:32 -0800 |
---|---|---|
committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:29:32 -0800 |
commit | 5b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4 (patch) | |
tree | f46d6b23eaeeaf5a28396d258ee29eb4c1580749 /lib | |
parent | f5050cedfb9a8ad5a08e9038ca23ee6a8892495e (diff) | |
download | grub-5b1eb061628a97aae48a9c0bcaa96eb0bfa07aa4.tar.gz |
auto import from //depot/cupcake/@135843android-sdk-tools_r2android-sdk-1.6_r2android-sdk-1.6_r1android-sdk-1.6-docs_r1android-sdk-1.5_r3android-sdk-1.5_r1android-sdk-1.5-preandroid-1.6_r2android-1.6_r1.5android-1.6_r1.4android-1.6_r1.3android-1.6_r1.2android-1.6_r1.1android-1.6_r1android-1.5r4android-1.5r3android-1.5r2android-1.5donut-release2donut-releasedonutcupcake-releasecupcake
Diffstat (limited to 'lib')
-rw-r--r-- | lib/Makefile.am | 6 | ||||
-rw-r--r-- | lib/Makefile.in | 416 | ||||
-rw-r--r-- | lib/device.c | 915 | ||||
-rw-r--r-- | lib/device.h | 48 | ||||
-rw-r--r-- | lib/getopt.c | 1053 | ||||
-rw-r--r-- | lib/getopt.h | 133 | ||||
-rw-r--r-- | lib/getopt1.c | 190 |
7 files changed, 2761 insertions, 0 deletions
diff --git a/lib/Makefile.am b/lib/Makefile.am new file mode 100644 index 0000000..645a03f --- /dev/null +++ b/lib/Makefile.am @@ -0,0 +1,6 @@ +noinst_LIBRARIES = libcommon.a + +AM_CFLAGS = $(GRUB_CFLAGS) -I$(top_srcdir)/stage2 \ + -I$(top_srcdir)/stage1 + +libcommon_a_SOURCES = getopt.c getopt1.c getopt.h device.c device.h diff --git a/lib/Makefile.in b/lib/Makefile.in new file mode 100644 index 0000000..3dae206 --- /dev/null +++ b/lib/Makefile.in @@ -0,0 +1,416 @@ +# Makefile.in generated by automake 1.9.4 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +SOURCES = $(libcommon_a_SOURCES) + +srcdir = @srcdir@ +top_srcdir = @top_srcdir@ +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +top_builddir = .. +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +INSTALL = @INSTALL@ +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +subdir = lib +DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \ + $(top_srcdir)/configure.ac +am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ + $(ACLOCAL_M4) +mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs +CONFIG_HEADER = $(top_builddir)/config.h +CONFIG_CLEAN_FILES = +LIBRARIES = $(noinst_LIBRARIES) +AR = ar +ARFLAGS = cru +libcommon_a_AR = $(AR) $(ARFLAGS) +libcommon_a_LIBADD = +am_libcommon_a_OBJECTS = getopt.$(OBJEXT) getopt1.$(OBJEXT) \ + device.$(OBJEXT) +libcommon_a_OBJECTS = $(am_libcommon_a_OBJECTS) +DEFAULT_INCLUDES = -I. -I$(srcdir) -I$(top_builddir) +depcomp = $(SHELL) $(top_srcdir)/depcomp +am__depfiles_maybe = depfiles +COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \ + $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) +CCLD = $(CC) +LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@ +SOURCES = $(libcommon_a_SOURCES) +DIST_SOURCES = $(libcommon_a_SOURCES) +ETAGS = etags +CTAGS = ctags +DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST) +ACLOCAL = @ACLOCAL@ +AMDEP_FALSE = @AMDEP_FALSE@ +AMDEP_TRUE = @AMDEP_TRUE@ +AMTAR = @AMTAR@ +AUTOCONF = @AUTOCONF@ +AUTOHEADER = @AUTOHEADER@ +AUTOMAKE = @AUTOMAKE@ +AWK = @AWK@ +BUILD_EXAMPLE_KERNEL_FALSE = @BUILD_EXAMPLE_KERNEL_FALSE@ +BUILD_EXAMPLE_KERNEL_TRUE = @BUILD_EXAMPLE_KERNEL_TRUE@ +CC = @CC@ +CCAS = @CCAS@ +CCASFLAGS = @CCASFLAGS@ +CCDEPMODE = @CCDEPMODE@ +CFLAGS = @CFLAGS@ +CPP = @CPP@ +CPPFLAGS = @CPPFLAGS@ +CYGPATH_W = @CYGPATH_W@ +DEFS = @DEFS@ +DEPDIR = @DEPDIR@ +DISKLESS_SUPPORT_FALSE = @DISKLESS_SUPPORT_FALSE@ +DISKLESS_SUPPORT_TRUE = @DISKLESS_SUPPORT_TRUE@ +ECHO_C = @ECHO_C@ +ECHO_N = @ECHO_N@ +ECHO_T = @ECHO_T@ +EGREP = @EGREP@ +EXEEXT = @EXEEXT@ +FSYS_CFLAGS = @FSYS_CFLAGS@ +GRUB_CFLAGS = @GRUB_CFLAGS@ +GRUB_LIBS = @GRUB_LIBS@ +HERCULES_SUPPORT_FALSE = @HERCULES_SUPPORT_FALSE@ +HERCULES_SUPPORT_TRUE = @HERCULES_SUPPORT_TRUE@ +INSTALL_DATA = @INSTALL_DATA@ +INSTALL_PROGRAM = @INSTALL_PROGRAM@ +INSTALL_SCRIPT = @INSTALL_SCRIPT@ +INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ +LDFLAGS = @LDFLAGS@ +LIBOBJS = @LIBOBJS@ +LIBS = @LIBS@ +LTLIBOBJS = @LTLIBOBJS@ +MAINT = @MAINT@ +MAINTAINER_MODE_FALSE = @MAINTAINER_MODE_FALSE@ +MAINTAINER_MODE_TRUE = @MAINTAINER_MODE_TRUE@ +MAKEINFO = @MAKEINFO@ +NETBOOT_DRIVERS = @NETBOOT_DRIVERS@ +NETBOOT_SUPPORT_FALSE = @NETBOOT_SUPPORT_FALSE@ +NETBOOT_SUPPORT_TRUE = @NETBOOT_SUPPORT_TRUE@ +NET_CFLAGS = @NET_CFLAGS@ +NET_EXTRAFLAGS = @NET_EXTRAFLAGS@ +OBJCOPY = @OBJCOPY@ +OBJEXT = @OBJEXT@ +PACKAGE = @PACKAGE@ +PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@ +PACKAGE_NAME = @PACKAGE_NAME@ +PACKAGE_STRING = @PACKAGE_STRING@ +PACKAGE_TARNAME = @PACKAGE_TARNAME@ +PACKAGE_VERSION = @PACKAGE_VERSION@ +PATH_SEPARATOR = @PATH_SEPARATOR@ +PERL = @PERL@ +RANLIB = @RANLIB@ +SERIAL_SPEED_SIMULATION_FALSE = @SERIAL_SPEED_SIMULATION_FALSE@ +SERIAL_SPEED_SIMULATION_TRUE = @SERIAL_SPEED_SIMULATION_TRUE@ +SERIAL_SUPPORT_FALSE = @SERIAL_SUPPORT_FALSE@ +SERIAL_SUPPORT_TRUE = @SERIAL_SUPPORT_TRUE@ +SET_MAKE = @SET_MAKE@ +SHELL = @SHELL@ +STAGE1_CFLAGS = @STAGE1_CFLAGS@ +STAGE2_CFLAGS = @STAGE2_CFLAGS@ 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+pdf-am: + +ps: ps-am + +ps-am: + +uninstall-am: uninstall-info-am + +.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \ + clean-noinstLIBRARIES ctags distclean distclean-compile \ + distclean-generic distclean-tags distdir dvi dvi-am html \ + html-am info info-am install install-am install-data \ + install-data-am install-exec install-exec-am install-info \ + install-info-am install-man install-strip installcheck \ + installcheck-am installdirs maintainer-clean \ + maintainer-clean-generic mostlyclean mostlyclean-compile \ + mostlyclean-generic pdf pdf-am ps ps-am tags uninstall \ + uninstall-am uninstall-info-am + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/lib/device.c b/lib/device.c new file mode 100644 index 0000000..d0663b3 --- /dev/null +++ b/lib/device.c @@ -0,0 +1,915 @@ +/* device.c - Some helper functions for OS devices and BIOS drives */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 1999,2000,2001,2002,2003,2004,2005 Free Software Foundation, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +/* Try to use glibc's transparant LFS support. */ +#define _LARGEFILE_SOURCE 1 +/* lseek becomes synonymous with lseek64. */ +#define _FILE_OFFSET_BITS 64 + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> +#include <assert.h> +#include <unistd.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <errno.h> +#include <limits.h> +#include <stdarg.h> + +#ifdef __linux__ +# if !defined(__GLIBC__) || \ + ((__GLIBC__ < 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR__ < 1))) +/* Maybe libc doesn't have large file support. */ +# include <linux/unistd.h> /* _llseek */ +# endif /* (GLIBC < 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR < 1)) */ +# include <sys/ioctl.h> /* ioctl */ +# ifndef HDIO_GETGEO +# define HDIO_GETGEO 0x0301 /* get device geometry */ +/* If HDIO_GETGEO is not defined, it is unlikely that hd_geometry is + defined. */ +struct hd_geometry +{ + unsigned char heads; + unsigned char sectors; + unsigned short cylinders; + unsigned long start; +}; +# endif /* ! HDIO_GETGEO */ +# ifndef FLOPPY_MAJOR +# define FLOPPY_MAJOR 2 /* the major number for floppy */ +# endif /* ! FLOPPY_MAJOR */ +# ifndef MAJOR +# define MAJOR(dev) \ + ({ \ + unsigned long long __dev = (dev); \ + (unsigned) ((__dev >> 8) & 0xfff) \ + | ((unsigned int) (__dev >> 32) & ~0xfff); \ + }) +# endif /* ! MAJOR */ +# ifndef CDROM_GET_CAPABILITY +# define CDROM_GET_CAPABILITY 0x5331 /* get capabilities */ +# endif /* ! CDROM_GET_CAPABILITY */ +# ifndef BLKGETSIZE +# define BLKGETSIZE _IO(0x12,96) /* return device size */ +# endif /* ! BLKGETSIZE */ +#endif /* __linux__ */ + +/* Use __FreeBSD_kernel__ instead of __FreeBSD__ for compatibility with + kFreeBSD-based non-FreeBSD systems (e.g. GNU/kFreeBSD) */ +#if defined(__FreeBSD__) && ! defined(__FreeBSD_kernel__) +# define __FreeBSD_kernel__ +#endif +#ifdef __FreeBSD_kernel__ + /* Obtain version of kFreeBSD headers */ +# include <osreldate.h> +# ifndef __FreeBSD_kernel_version +# define __FreeBSD_kernel_version __FreeBSD_version +# endif + + /* Runtime detection of kernel */ +# include <sys/utsname.h> +int +get_kfreebsd_version () +{ + struct utsname uts; + int major; int minor, v[2]; + + uname (&uts); + sscanf (uts.release, "%d.%d", &major, &minor); + + if (major >= 9) + major = 9; + if (major >= 5) + { + v[0] = minor/10; v[1] = minor%10; + } + else + { + v[0] = minor%10; v[1] = minor/10; + } + return major*100000+v[0]*10000+v[1]*1000; +} +#endif /* __FreeBSD_kernel__ */ + +#if defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) +# include <sys/ioctl.h> /* ioctl */ +# include <sys/disklabel.h> +# include <sys/cdio.h> /* CDIOCCLRDEBUG */ +# if defined(__FreeBSD_kernel__) +# include <sys/param.h> +# if __FreeBSD_kernel_version >= 500040 +# include <sys/disk.h> +# endif +# endif /* __FreeBSD_kernel__ */ +#endif /* __FreeBSD_kernel__ || __NetBSD__ || __OpenBSD__ */ + +#ifdef HAVE_OPENDISK +# include <util.h> +#endif /* HAVE_OPENDISK */ + +#define WITHOUT_LIBC_STUBS 1 +#include <shared.h> +#include <device.h> + +/* Get the geometry of a drive DRIVE. */ +void +get_drive_geometry (struct geometry *geom, char **map, int drive) +{ + int fd; + + if (geom->flags == -1) + { + fd = open (map[drive], O_RDONLY); + assert (fd >= 0); + } + else + fd = geom->flags; + + /* XXX This is the default size. */ + geom->sector_size = SECTOR_SIZE; + +#if defined(__linux__) + /* Linux */ + { + struct hd_geometry hdg; + unsigned long nr; + + if (ioctl (fd, HDIO_GETGEO, &hdg)) + goto fail; + + if (ioctl (fd, BLKGETSIZE, &nr)) + goto fail; + + /* Got the geometry, so save it. */ + geom->cylinders = hdg.cylinders; + geom->heads = hdg.heads; + geom->sectors = hdg.sectors; + geom->total_sectors = nr; + + goto success; + } + +#elif defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) +# if defined(__FreeBSD_kernel__) && __FreeBSD_kernel_version >= 500040 + /* kFreeBSD version 5 or later */ + if (get_kfreebsd_version () >= 500040) + { + unsigned int sector_size; + off_t media_size; + unsigned int tmp; + + if(ioctl (fd, DIOCGSECTORSIZE, §or_size) != 0) + sector_size = 512; + + if (ioctl (fd, DIOCGMEDIASIZE, &media_size) != 0) + goto fail; + + geom->total_sectors = media_size / sector_size; + + if (ioctl (fd, DIOCGFWSECTORS, &tmp) == 0) + geom->sectors = tmp; + else + geom->sectors = 63; + if (ioctl (fd, DIOCGFWHEADS, &tmp) == 0) + geom->heads = tmp; + else if (geom->total_sectors <= 63 * 1 * 1024) + geom->heads = 1; + else if (geom->total_sectors <= 63 * 16 * 1024) + geom->heads = 16; + else + geom->heads = 255; + + geom->cylinders = (geom->total_sectors + / geom->heads + / geom->sectors); + + goto success; + } + else +#endif /* defined(__FreeBSD_kernel__) && __FreeBSD_kernel_version >= 500040 */ + + /* kFreeBSD < 5, NetBSD or OpenBSD */ + { + struct disklabel hdg; + if (ioctl (fd, DIOCGDINFO, &hdg)) + goto fail; + + geom->cylinders = hdg.d_ncylinders; + geom->heads = hdg.d_ntracks; + geom->sectors = hdg.d_nsectors; + geom->total_sectors = hdg.d_secperunit; + + goto success; + } + +#else + /* Notably, defined(__GNU__) */ +# warning "Automatic detection of geometries will be performed only \ +partially. This is not fatal." +#endif + + fail: + { + struct stat st; + + /* FIXME: It would be nice to somehow compute fake C/H/S settings, + given a proper st_blocks size. */ + if (drive & 0x80) + { + geom->cylinders = DEFAULT_HD_CYLINDERS; + geom->heads = DEFAULT_HD_HEADS; + geom->sectors = DEFAULT_HD_SECTORS; + } + else + { + geom->cylinders = DEFAULT_FD_CYLINDERS; + geom->heads = DEFAULT_FD_HEADS; + geom->sectors = DEFAULT_FD_SECTORS; + } + + /* Set the total sectors properly, if we can. */ + if (! fstat (fd, &st) && st.st_size) + geom->total_sectors = st.st_size >> SECTOR_BITS; + else + geom->total_sectors = geom->cylinders * geom->heads * geom->sectors; + } + + success: + if (geom->flags == -1) + close (fd); +} + +#ifdef __linux__ +/* Check if we have devfs support. */ +static int +have_devfs (void) +{ + static int dev_devfsd_exists = -1; + + if (dev_devfsd_exists < 0) + { + struct stat st; + + dev_devfsd_exists = stat ("/dev/.devfsd", &st) == 0; + } + + return dev_devfsd_exists; +} +#endif /* __linux__ */ + +/* These three functions are quite different among OSes. */ +static void +get_floppy_disk_name (char *name, int unit) +{ +#if defined(__linux__) + /* GNU/Linux */ + if (have_devfs ()) + sprintf (name, "/dev/floppy/%d", unit); + else + sprintf (name, "/dev/fd%d", unit); +#elif defined(__GNU__) + /* GNU/Hurd */ + sprintf (name, "/dev/fd%d", unit); +#elif defined(__FreeBSD_kernel__) + /* kFreeBSD */ + if (get_kfreebsd_version () >= 400000) + sprintf (name, "/dev/fd%d", unit); + else + sprintf (name, "/dev/rfd%d", unit); +#elif defined(__NetBSD__) + /* NetBSD */ + /* opendisk() doesn't work for floppies. */ + sprintf (name, "/dev/rfd%da", unit); +#elif defined(__OpenBSD__) + /* OpenBSD */ + sprintf (name, "/dev/rfd%dc", unit); +#elif defined(__QNXNTO__) + /* QNX RTP */ + sprintf (name, "/dev/fd%d", unit); +#else +# warning "BIOS floppy drives cannot be guessed in your operating system." + /* Set NAME to a bogus string. */ + *name = 0; +#endif +} + +static void +get_ide_disk_name (char *name, int unit) +{ +#if defined(__linux__) + /* GNU/Linux */ + sprintf (name, "/dev/hd%c", unit + 'a'); +#elif defined(__GNU__) + /* GNU/Hurd */ + sprintf (name, "/dev/hd%d", unit); +#elif defined(__FreeBSD_kernel__) + /* kFreeBSD */ + if (get_kfreebsd_version () >= 400000) + sprintf (name, "/dev/ad%d", unit); + else + sprintf (name, "/dev/rwd%d", unit); +#elif defined(__NetBSD__) && defined(HAVE_OPENDISK) + /* NetBSD */ + char shortname[16]; + int fd; + + sprintf (shortname, "wd%d", unit); + fd = opendisk (shortname, O_RDONLY, name, + 16, /* length of NAME */ + 0 /* char device */ + ); + close (fd); +#elif defined(__OpenBSD__) + /* OpenBSD */ + sprintf (name, "/dev/rwd%dc", unit); +#elif defined(__QNXNTO__) + /* QNX RTP */ + /* Actually, QNX RTP doesn't distinguish IDE from SCSI, so this could + contain SCSI disks. */ + sprintf (name, "/dev/hd%d", unit); +#else +# warning "BIOS IDE drives cannot be guessed in your operating system." + /* Set NAME to a bogus string. */ + *name = 0; +#endif +} + +static void +get_scsi_disk_name (char *name, int unit) +{ +#if defined(__linux__) + /* GNU/Linux */ + sprintf (name, "/dev/sd%c", unit + 'a'); +#elif defined(__GNU__) + /* GNU/Hurd */ + sprintf (name, "/dev/sd%d", unit); +#elif defined(__FreeBSD_kernel__) + /* kFreeBSD */ + if (get_kfreebsd_version () >= 400000) + sprintf (name, "/dev/da%d", unit); + else + sprintf (name, "/dev/rda%d", unit); +#elif defined(__NetBSD__) && defined(HAVE_OPENDISK) + /* NetBSD */ + char shortname[16]; + int fd; + + sprintf (shortname, "sd%d", unit); + fd = opendisk (shortname, O_RDONLY, name, + 16, /* length of NAME */ + 0 /* char device */ + ); + close (fd); +#elif defined(__OpenBSD__) + /* OpenBSD */ + sprintf (name, "/dev/rsd%dc", unit); +#elif defined(__QNXNTO__) + /* QNX RTP */ + /* QNX RTP doesn't distinguish SCSI from IDE, so it is better to + disable the detection of SCSI disks here. */ + *name = 0; +#else +# warning "BIOS SCSI drives cannot be guessed in your operating system." + /* Set NAME to a bogus string. */ + *name = 0; +#endif +} + +#ifdef __linux__ +static void +get_dac960_disk_name (char *name, int controller, int drive) +{ + sprintf (name, "/dev/rd/c%dd%d", controller, drive); +} + +static void +get_ataraid_disk_name (char *name, int unit) +{ + sprintf (name, "/dev/ataraid/d%c", unit + '0'); +} +#endif + +/* Check if DEVICE can be read. If an error occurs, return zero, + otherwise return non-zero. */ +int +check_device (const char *device) +{ + char buf[512]; + FILE *fp; + + /* If DEVICE is empty, just return 1. */ + if (*device == 0) + return 1; + + fp = fopen (device, "r"); + if (! fp) + { + switch (errno) + { +#ifdef ENOMEDIUM + case ENOMEDIUM: +# if 0 + /* At the moment, this finds only CDROMs, which can't be + read anyway, so leave it out. Code should be + reactivated if `removable disks' and CDROMs are + supported. */ + /* Accept it, it may be inserted. */ + return 1; +# endif + break; +#endif /* ENOMEDIUM */ + default: + /* Break case and leave. */ + break; + } + /* Error opening the device. */ + return 0; + } + + /* Make sure CD-ROMs don't get assigned a BIOS disk number + before SCSI disks! */ +#ifdef __linux__ +# ifdef CDROM_GET_CAPABILITY + if (ioctl (fileno (fp), CDROM_GET_CAPABILITY, 0) >= 0) + return 0; +# else /* ! CDROM_GET_CAPABILITY */ + /* Check if DEVICE is a CD-ROM drive by the HDIO_GETGEO ioctl. */ + { + struct hd_geometry hdg; + struct stat st; + + if (fstat (fileno (fp), &st)) + return 0; + + /* If it is a block device and isn't a floppy, check if HDIO_GETGEO + succeeds. */ + if (S_ISBLK (st.st_mode) + && MAJOR (st.st_rdev) != FLOPPY_MAJOR + && ioctl (fileno (fp), HDIO_GETGEO, &hdg)) + return 0; + } +# endif /* ! CDROM_GET_CAPABILITY */ +#endif /* __linux__ */ + +#if defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) +# ifdef CDIOCCLRDEBUG + if (ioctl (fileno (fp), CDIOCCLRDEBUG, 0) >= 0) + return 0; +# endif /* CDIOCCLRDEBUG */ +#endif /* __FreeBSD_kernel__ || __NetBSD__ || __OpenBSD__ */ + + /* Attempt to read the first sector. */ + if (fread (buf, 1, 512, fp) != 512) + { + fclose (fp); + return 0; + } + + fclose (fp); + return 1; +} + +/* Read mapping information from FP, and write it to MAP. */ +static int +read_device_map (FILE *fp, char **map, const char *map_file) +{ + auto void show_error (int no, const char *msg); + auto void show_warning (int no, const char *msg, ...); + + auto void show_error (int no, const char *msg) + { + fprintf (stderr, "%s:%d: error: %s\n", map_file, no, msg); + } + + auto void show_warning (int no, const char *msg, ...) + { + va_list ap; + + va_start (ap, msg); + fprintf (stderr, "%s:%d: warning: ", map_file, no); + vfprintf (stderr, msg, ap); + va_end (ap); + } + + /* If there is the device map file, use the data in it instead of + probing devices. */ + char buf[1024]; /* XXX */ + int line_number = 0; + + while (fgets (buf, sizeof (buf), fp)) + { + char *ptr, *eptr; + int drive; + int is_floppy = 0; + + /* Increase the number of lines. */ + line_number++; + + /* If the first character is '#', skip it. */ + if (buf[0] == '#') + continue; + + ptr = buf; + /* Skip leading spaces. */ + while (*ptr && isspace (*ptr)) + ptr++; + + /* Skip empty lines. */ + if (! *ptr) + continue; + + if (*ptr != '(') + { + show_error (line_number, "No open parenthesis found"); + return 0; + } + + ptr++; + if ((*ptr != 'f' && *ptr != 'h') || *(ptr + 1) != 'd') + { + show_error (line_number, "Bad drive name"); + return 0; + } + + if (*ptr == 'f') + is_floppy = 1; + + ptr += 2; + drive = strtoul (ptr, &ptr, 10); + if (drive < 0) + { + show_error (line_number, "Bad device number"); + return 0; + } + else if (drive > 127) + { + show_warning (line_number, + "Ignoring %cd%d due to a BIOS limitation", + is_floppy ? 'f' : 'h', drive); + continue; + } + + if (! is_floppy) + drive += 0x80; + + if (*ptr != ')') + { + show_error (line_number, "No close parenthesis found"); + return 0; + } + + ptr++; + /* Skip spaces. */ + while (*ptr && isspace (*ptr)) + ptr++; + + if (! *ptr) + { + show_error (line_number, "No filename found"); + return 0; + } + + /* Terminate the filename. */ + eptr = ptr; + while (*eptr && ! isspace (*eptr)) + eptr++; + *eptr = 0; + + /* Multiple entries for a given drive is not allowed. */ + if (map[drive]) + { + show_error (line_number, "Duplicated entry found"); + return 0; + } + + map[drive] = strdup (ptr); + assert (map[drive]); + } + + return 1; +} + +/* Initialize the device map MAP. *MAP will be allocated from the heap + space. If MAP_FILE is not NULL, then read mappings from the file + MAP_FILE if it exists, otherwise, write guessed mappings to the file. + FLOPPY_DISKS is the number of floppy disk drives which will be probed. + If it is zero, don't probe any floppy at all. If it is one, probe one + floppy. If it is two, probe two floppies. And so on. */ +int +init_device_map (char ***map, const char *map_file, int floppy_disks) +{ + int i; + int num_hd = 0; + FILE *fp = 0; + + assert (map); + assert (*map == 0); + *map = malloc (NUM_DISKS * sizeof (char *)); + assert (*map); + + /* Probe devices for creating the device map. */ + + /* Initialize DEVICE_MAP. */ + for (i = 0; i < NUM_DISKS; i++) + (*map)[i] = 0; + + if (map_file) + { + /* Open the device map file. */ + fp = fopen (map_file, "r"); + if (fp) + { + int ret; + + ret = read_device_map (fp, *map, map_file); + fclose (fp); + return ret; + } + } + + /* Print something so that the user does not think GRUB has been + crashed. */ + fprintf (stderr, + "Probing devices to guess BIOS drives. " + "This may take a long time.\n"); + + if (map_file) + /* Try to open the device map file to write the probed data. */ + fp = fopen (map_file, "w"); + + /* Floppies. */ + for (i = 0; i < floppy_disks; i++) + { + char name[16]; + + get_floppy_disk_name (name, i); + /* In floppies, write the map, whether check_device succeeds + or not, because the user just does not insert floppies. */ + if (fp) + fprintf (fp, "(fd%d)\t%s\n", i, name); + + if (check_device (name)) + { + (*map)[i] = strdup (name); + assert ((*map)[i]); + } + } + +#ifdef __linux__ + if (have_devfs ()) + { + while (1) + { + char discn[32]; + char name[PATH_MAX]; + struct stat st; + + /* Linux creates symlinks "/dev/discs/discN" for convenience. + The way to number disks is the same as GRUB's. */ + sprintf (discn, "/dev/discs/disc%d", num_hd); + if (stat (discn, &st) < 0) + break; + + if (realpath (discn, name)) + { + strcat (name, "/disc"); + (*map)[num_hd + 0x80] = strdup (name); + assert ((*map)[num_hd + 0x80]); + + /* If the device map file is opened, write the map. */ + if (fp) + fprintf (fp, "(hd%d)\t%s\n", num_hd, name); + } + + num_hd++; + } + + /* OK, close the device map file if opened. */ + if (fp) + fclose (fp); + + return 1; + } +#endif /* __linux__ */ + + /* IDE disks. */ + for (i = 0; i < 8; i++) + { + char name[16]; + + get_ide_disk_name (name, i); + if (check_device (name)) + { + (*map)[num_hd + 0x80] = strdup (name); + assert ((*map)[num_hd + 0x80]); + + /* If the device map file is opened, write the map. */ + if (fp) + fprintf (fp, "(hd%d)\t%s\n", num_hd, name); + + num_hd++; + } + } + +#ifdef __linux__ + /* ATARAID disks. */ + for (i = 0; i < 8; i++) + { + char name[20]; + + get_ataraid_disk_name (name, i); + if (check_device (name)) + { + (*map)[num_hd + 0x80] = strdup (name); + assert ((*map)[num_hd + 0x80]); + + /* If the device map file is opened, write the map. */ + if (fp) + fprintf (fp, "(hd%d)\t%s\n", num_hd, name); + + num_hd++; + } + } +#endif /* __linux__ */ + + /* The rest is SCSI disks. */ + for (i = 0; i < 16; i++) + { + char name[16]; + + get_scsi_disk_name (name, i); + if (check_device (name)) + { + (*map)[num_hd + 0x80] = strdup (name); + assert ((*map)[num_hd + 0x80]); + + /* If the device map file is opened, write the map. */ + if (fp) + fprintf (fp, "(hd%d)\t%s\n", num_hd, name); + + num_hd++; + } + } + +#ifdef __linux__ + /* This is for DAC960 - we have + /dev/rd/c<controller>d<logical drive>p<partition>. + + DAC960 driver currently supports up to 8 controllers, 32 logical + drives, and 7 partitions. */ + { + int controller, drive; + + for (controller = 0; controller < 8; controller++) + { + for (drive = 0; drive < 15; drive++) + { + char name[24]; + + get_dac960_disk_name (name, controller, drive); + if (check_device (name)) + { + (*map)[num_hd + 0x80] = strdup (name); + assert ((*map)[num_hd + 0x80]); + + /* If the device map file is opened, write the map. */ + if (fp) + fprintf (fp, "(hd%d)\t%s\n", num_hd, name); + + num_hd++; + } + } + } + } +#endif /* __linux__ */ + + /* OK, close the device map file if opened. */ + if (fp) + fclose (fp); + + return 1; +} + +/* Restore the memory consumed for MAP. */ +void +restore_device_map (char **map) +{ + int i; + + for (i = 0; i < NUM_DISKS; i++) + if (map[i]) + free (map[i]); + + free (map); +} + +#ifdef __linux__ +/* Linux-only functions, because Linux has a bug that the disk cache for + a whole disk is not consistent with the one for a partition of the + disk. */ +int +is_disk_device (char **map, int drive) +{ + struct stat st; + + assert (map[drive] != 0); + assert (stat (map[drive], &st) == 0); + /* For now, disk devices under Linux are all block devices. */ + return S_ISBLK (st.st_mode); +} + +int +write_to_partition (char **map, int drive, int partition, + int sector, int size, const char *buf) +{ + char dev[PATH_MAX]; /* XXX */ + int fd; + + if ((partition & 0x00FF00) != 0x00FF00) + { + /* If the partition is a BSD partition, it is difficult to + obtain the representation in Linux. So don't support that. */ + errnum = ERR_DEV_VALUES; + return 1; + } + + assert (map[drive] != 0); + + strcpy (dev, map[drive]); + if (have_devfs ()) + { + if (strcmp (dev + strlen(dev) - 5, "/disc") == 0) + strcpy (dev + strlen(dev) - 5, "/part"); + } + sprintf (dev + strlen(dev), "%d", ((partition >> 16) & 0xFF) + 1); + + /* Open the partition. */ + fd = open (dev, O_RDWR); + if (fd < 0) + { + errnum = ERR_NO_PART; + return 0; + } + +#if defined(__linux__) && (!defined(__GLIBC__) || \ + ((__GLIBC__ < 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR__ < 1)))) + /* Maybe libc doesn't have large file support. */ + { + loff_t offset, result; + static int _llseek (uint filedes, ulong hi, ulong lo, + loff_t *res, uint wh); + _syscall5 (int, _llseek, uint, filedes, ulong, hi, ulong, lo, + loff_t *, res, uint, wh); + + offset = (loff_t) sector * (loff_t) SECTOR_SIZE; + if (_llseek (fd, offset >> 32, offset & 0xffffffff, &result, SEEK_SET)) + { + errnum = ERR_DEV_VALUES; + return 0; + } + } +#else + { + off_t offset = (off_t) sector * (off_t) SECTOR_SIZE; + + if (lseek (fd, offset, SEEK_SET) != offset) + { + errnum = ERR_DEV_VALUES; + return 0; + } + } +#endif + + if (write (fd, buf, size * SECTOR_SIZE) != (size * SECTOR_SIZE)) + { + close (fd); + errnum = ERR_WRITE; + return 0; + } + + sync (); /* Paranoia. */ + close (fd); + + return 1; +} +#endif /* __linux__ */ diff --git a/lib/device.h b/lib/device.h new file mode 100644 index 0000000..02ffce8 --- /dev/null +++ b/lib/device.h @@ -0,0 +1,48 @@ +/* device.h - Define macros and declare prototypes for device.c */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 1999,2000,2004 Free Software Foundation, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef DEVICE_MAP_HEADER +#define DEVICE_MAP_HEADER 1 + +/* The maximum number of BIOS disks. */ +#define NUM_DISKS 256 + +/* Simulated disk sizes. */ +#define DEFAULT_FD_CYLINDERS 80 +#define DEFAULT_FD_HEADS 2 +#define DEFAULT_FD_SECTORS 18 +#define DEFAULT_HD_CYLINDERS 620 +#define DEFAULT_HD_HEADS 128 +#define DEFAULT_HD_SECTORS 63 + +/* Function prototypes. */ +extern void get_drive_geometry (struct geometry *geom, char **map, int drive); +extern int check_device (const char *device); +extern int init_device_map (char ***map, const char *map_file, + int no_floppies); +extern void restore_device_map (char **map); + +#ifdef __linux__ +extern int is_disk_device (char **map, int drive); +extern int write_to_partition (char **map, int drive, int partition, + int offset, int size, const char *buf); +#endif /* __linux__ */ + +#endif /* DEVICE_MAP_HEADER */ diff --git a/lib/getopt.c b/lib/getopt.c new file mode 100644 index 0000000..04905fd --- /dev/null +++ b/lib/getopt.c @@ -0,0 +1,1053 @@ +/* Getopt for GNU. + NOTE: getopt is now part of the C library, so if you don't know what + "Keep this file name-space clean" means, talk to drepper@gnu.org + before changing it! + + Copyright (C) 1987, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98 + Free Software Foundation, Inc. + + NOTE: The canonical source of this file is maintained with the GNU C Library. + Bugs can be reported to bug-glibc@gnu.org. + + This program is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by the + Free Software Foundation; either version 2, or (at your option) any + later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + USA. */ + +/* This tells Alpha OSF/1 not to define a getopt prototype in <stdio.h>. + Ditto for AIX 3.2 and <stdlib.h>. */ +#ifndef _NO_PROTO +# define _NO_PROTO +#endif + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#if !defined __STDC__ || !__STDC__ +/* This is a separate conditional since some stdc systems + reject `defined (const)'. */ +# ifndef const +# define const +# endif +#endif + +#include <stdio.h> + +/* Comment out all this code if we are using the GNU C Library, and are not + actually compiling the library itself. This code is part of the GNU C + Library, but also included in many other GNU distributions. Compiling + and linking in this code is a waste when using the GNU C library + (especially if it is a shared library). Rather than having every GNU + program understand `configure --with-gnu-libc' and omit the object files, + it is simpler to just do this in the source for each such file. */ + +#define GETOPT_INTERFACE_VERSION 2 +#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2 +# include <gnu-versions.h> +# if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION +# define ELIDE_CODE +# endif +#endif + +#ifndef ELIDE_CODE + + +/* This needs to come after some library #include + to get __GNU_LIBRARY__ defined. */ +#ifdef __GNU_LIBRARY__ +/* Don't include stdlib.h for non-GNU C libraries because some of them + contain conflicting prototypes for getopt. */ +# include <stdlib.h> +# include <unistd.h> +#endif /* GNU C library. */ + +#ifdef VMS +# include <unixlib.h> +# if HAVE_STRING_H - 0 +# include <string.h> +# endif +#endif + +#ifndef _ +/* This is for other GNU distributions with internationalized messages. + When compiling libc, the _ macro is predefined. */ +# ifdef HAVE_LIBINTL_H +# include <libintl.h> +# define _(msgid) gettext (msgid) +# else +# define _(msgid) (msgid) +# endif +#endif + +/* This version of `getopt' appears to the caller like standard Unix `getopt' + but it behaves differently for the user, since it allows the user + to intersperse the options with the other arguments. + + As `getopt' works, it permutes the elements of ARGV so that, + when it is done, all the options precede everything else. Thus + all application programs are extended to handle flexible argument order. + + Setting the environment variable POSIXLY_CORRECT disables permutation. + Then the behavior is completely standard. + + GNU application programs can use a third alternative mode in which + they can distinguish the relative order of options and other arguments. */ + +#include "getopt.h" + +/* For communication from `getopt' to the caller. + When `getopt' finds an option that takes an argument, + the argument value is returned here. + Also, when `ordering' is RETURN_IN_ORDER, + each non-option ARGV-element is returned here. */ + +char *optarg = NULL; + +/* Index in ARGV of the next element to be scanned. + This is used for communication to and from the caller + and for communication between successive calls to `getopt'. + + On entry to `getopt', zero means this is the first call; initialize. + + When `getopt' returns -1, this is the index of the first of the + non-option elements that the caller should itself scan. + + Otherwise, `optind' communicates from one call to the next + how much of ARGV has been scanned so far. */ + +/* 1003.2 says this must be 1 before any call. */ +int optind = 1; + +/* Formerly, initialization of getopt depended on optind==0, which + causes problems with re-calling getopt as programs generally don't + know that. */ + +int __getopt_initialized = 0; + +/* The next char to be scanned in the option-element + in which the last option character we returned was found. + This allows us to pick up the scan where we left off. + + If this is zero, or a null string, it means resume the scan + by advancing to the next ARGV-element. */ + +static char *nextchar; + +/* Callers store zero here to inhibit the error message + for unrecognized options. */ + +int opterr = 1; + +/* Set to an option character which was unrecognized. + This must be initialized on some systems to avoid linking in the + system's own getopt implementation. */ + +int optopt = '?'; + +/* Describe how to deal with options that follow non-option ARGV-elements. + + If the caller did not specify anything, + the default is REQUIRE_ORDER if the environment variable + POSIXLY_CORRECT is defined, PERMUTE otherwise. + + REQUIRE_ORDER means don't recognize them as options; + stop option processing when the first non-option is seen. + This is what Unix does. + This mode of operation is selected by either setting the environment + variable POSIXLY_CORRECT, or using `+' as the first character + of the list of option characters. + + PERMUTE is the default. We permute the contents of ARGV as we scan, + so that eventually all the non-options are at the end. This allows options + to be given in any order, even with programs that were not written to + expect this. + + RETURN_IN_ORDER is an option available to programs that were written + to expect options and other ARGV-elements in any order and that care about + the ordering of the two. We describe each non-option ARGV-element + as if it were the argument of an option with character code 1. + Using `-' as the first character of the list of option characters + selects this mode of operation. + + The special argument `--' forces an end of option-scanning regardless + of the value of `ordering'. In the case of RETURN_IN_ORDER, only + `--' can cause `getopt' to return -1 with `optind' != ARGC. */ + +static enum +{ + REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER +} ordering; + +/* Value of POSIXLY_CORRECT environment variable. */ +static char *posixly_correct; + +#ifdef __GNU_LIBRARY__ +/* We want to avoid inclusion of string.h with non-GNU libraries + because there are many ways it can cause trouble. + On some systems, it contains special magic macros that don't work + in GCC. */ +# include <string.h> +# define my_index strchr +#else + +# if HAVE_STRING_H +# include <string.h> +# else +# include <strings.h> +# endif + +/* Avoid depending on library functions or files + whose names are inconsistent. */ + +#ifndef getenv +extern char *getenv (); +#endif + +static char * +my_index (str, chr) + const char *str; + int chr; +{ + while (*str) + { + if (*str == chr) + return (char *) str; + str++; + } + return 0; +} + +/* If using GCC, we can safely declare strlen this way. + If not using GCC, it is ok not to declare it. */ +#ifdef __GNUC__ +/* Note that Motorola Delta 68k R3V7 comes with GCC but not stddef.h. + That was relevant to code that was here before. */ +# if (!defined __STDC__ || !__STDC__) && !defined strlen +/* gcc with -traditional declares the built-in strlen to return int, + and has done so at least since version 2.4.5. -- rms. */ +extern int strlen (const char *); +# endif /* not __STDC__ */ +#endif /* __GNUC__ */ + +#endif /* not __GNU_LIBRARY__ */ + +/* Handle permutation of arguments. */ + +/* Describe the part of ARGV that contains non-options that have + been skipped. `first_nonopt' is the index in ARGV of the first of them; + `last_nonopt' is the index after the last of them. */ + +static int first_nonopt; +static int last_nonopt; + +#ifdef _LIBC +/* Bash 2.0 gives us an environment variable containing flags + indicating ARGV elements that should not be considered arguments. */ + +/* Defined in getopt_init.c */ +extern char *__getopt_nonoption_flags; + +static int nonoption_flags_max_len; +static int nonoption_flags_len; + +static int original_argc; +static char *const *original_argv; + +/* Make sure the environment variable bash 2.0 puts in the environment + is valid for the getopt call we must make sure that the ARGV passed + to getopt is that one passed to the process. */ +static void +__attribute__ ((unused)) +store_args_and_env (int argc, char *const *argv) +{ + /* XXX This is no good solution. We should rather copy the args so + that we can compare them later. But we must not use malloc(3). */ + original_argc = argc; + original_argv = argv; +} +# ifdef text_set_element +text_set_element (__libc_subinit, store_args_and_env); +# endif /* text_set_element */ + +# define SWAP_FLAGS(ch1, ch2) \ + if (nonoption_flags_len > 0) \ + { \ + char __tmp = __getopt_nonoption_flags[ch1]; \ + __getopt_nonoption_flags[ch1] = __getopt_nonoption_flags[ch2]; \ + __getopt_nonoption_flags[ch2] = __tmp; \ + } +#else /* !_LIBC */ +# define SWAP_FLAGS(ch1, ch2) +#endif /* _LIBC */ + +/* Exchange two adjacent subsequences of ARGV. + One subsequence is elements [first_nonopt,last_nonopt) + which contains all the non-options that have been skipped so far. + The other is elements [last_nonopt,optind), which contains all + the options processed since those non-options were skipped. + + `first_nonopt' and `last_nonopt' are relocated so that they describe + the new indices of the non-options in ARGV after they are moved. */ + +#if defined __STDC__ && __STDC__ +static void exchange (char **); +#endif + +static void +exchange (argv) + char **argv; +{ + int bottom = first_nonopt; + int middle = last_nonopt; + int top = optind; + char *tem; + + /* Exchange the shorter segment with the far end of the longer segment. + That puts the shorter segment into the right place. + It leaves the longer segment in the right place overall, + but it consists of two parts that need to be swapped next. */ + +#ifdef _LIBC + /* First make sure the handling of the `__getopt_nonoption_flags' + string can work normally. Our top argument must be in the range + of the string. */ + if (nonoption_flags_len > 0 && top >= nonoption_flags_max_len) + { + /* We must extend the array. The user plays games with us and + presents new arguments. */ + char *new_str = malloc (top + 1); + if (new_str == NULL) + nonoption_flags_len = nonoption_flags_max_len = 0; + else + { + memset (__mempcpy (new_str, __getopt_nonoption_flags, + nonoption_flags_max_len), + '\0', top + 1 - nonoption_flags_max_len); + nonoption_flags_max_len = top + 1; + __getopt_nonoption_flags = new_str; + } + } +#endif + + while (top > middle && middle > bottom) + { + if (top - middle > middle - bottom) + { + /* Bottom segment is the short one. */ + int len = middle - bottom; + register int i; + + /* Swap it with the top part of the top segment. */ + for (i = 0; i < len; i++) + { + tem = argv[bottom + i]; + argv[bottom + i] = argv[top - (middle - bottom) + i]; + argv[top - (middle - bottom) + i] = tem; + SWAP_FLAGS (bottom + i, top - (middle - bottom) + i); + } + /* Exclude the moved bottom segment from further swapping. */ + top -= len; + } + else + { + /* Top segment is the short one. */ + int len = top - middle; + register int i; + + /* Swap it with the bottom part of the bottom segment. */ + for (i = 0; i < len; i++) + { + tem = argv[bottom + i]; + argv[bottom + i] = argv[middle + i]; + argv[middle + i] = tem; + SWAP_FLAGS (bottom + i, middle + i); + } + /* Exclude the moved top segment from further swapping. */ + bottom += len; + } + } + + /* Update records for the slots the non-options now occupy. */ + + first_nonopt += (optind - last_nonopt); + last_nonopt = optind; +} + +/* Initialize the internal data when the first call is made. */ + +#if defined __STDC__ && __STDC__ +static const char *_getopt_initialize (int, char *const *, const char *); +#endif +static const char * +_getopt_initialize (argc, argv, optstring) + int argc; + char *const *argv; + const char *optstring; +{ + /* Start processing options with ARGV-element 1 (since ARGV-element 0 + is the program name); the sequence of previously skipped + non-option ARGV-elements is empty. */ + + first_nonopt = last_nonopt = optind; + + nextchar = NULL; + + posixly_correct = getenv ("POSIXLY_CORRECT"); + + /* Determine how to handle the ordering of options and nonoptions. */ + + if (optstring[0] == '-') + { + ordering = RETURN_IN_ORDER; + ++optstring; + } + else if (optstring[0] == '+') + { + ordering = REQUIRE_ORDER; + ++optstring; + } + else if (posixly_correct != NULL) + ordering = REQUIRE_ORDER; + else + ordering = PERMUTE; + +#ifdef _LIBC + if (posixly_correct == NULL + && argc == original_argc && argv == original_argv) + { + if (nonoption_flags_max_len == 0) + { + if (__getopt_nonoption_flags == NULL + || __getopt_nonoption_flags[0] == '\0') + nonoption_flags_max_len = -1; + else + { + const char *orig_str = __getopt_nonoption_flags; + int len = nonoption_flags_max_len = strlen (orig_str); + if (nonoption_flags_max_len < argc) + nonoption_flags_max_len = argc; + __getopt_nonoption_flags = + (char *) malloc (nonoption_flags_max_len); + if (__getopt_nonoption_flags == NULL) + nonoption_flags_max_len = -1; + else + memset (__mempcpy (__getopt_nonoption_flags, orig_str, len), + '\0', nonoption_flags_max_len - len); + } + } + nonoption_flags_len = nonoption_flags_max_len; + } + else + nonoption_flags_len = 0; +#endif + + return optstring; +} + +/* Scan elements of ARGV (whose length is ARGC) for option characters + given in OPTSTRING. + + If an element of ARGV starts with '-', and is not exactly "-" or "--", + then it is an option element. The characters of this element + (aside from the initial '-') are option characters. If `getopt' + is called repeatedly, it returns successively each of the option characters + from each of the option elements. + + If `getopt' finds another option character, it returns that character, + updating `optind' and `nextchar' so that the next call to `getopt' can + resume the scan with the following option character or ARGV-element. + + If there are no more option characters, `getopt' returns -1. + Then `optind' is the index in ARGV of the first ARGV-element + that is not an option. (The ARGV-elements have been permuted + so that those that are not options now come last.) + + OPTSTRING is a string containing the legitimate option characters. + If an option character is seen that is not listed in OPTSTRING, + return '?' after printing an error message. If you set `opterr' to + zero, the error message is suppressed but we still return '?'. + + If a char in OPTSTRING is followed by a colon, that means it wants an arg, + so the following text in the same ARGV-element, or the text of the following + ARGV-element, is returned in `optarg'. Two colons mean an option that + wants an optional arg; if there is text in the current ARGV-element, + it is returned in `optarg', otherwise `optarg' is set to zero. + + If OPTSTRING starts with `-' or `+', it requests different methods of + handling the non-option ARGV-elements. + See the comments about RETURN_IN_ORDER and REQUIRE_ORDER, above. + + Long-named options begin with `--' instead of `-'. + Their names may be abbreviated as long as the abbreviation is unique + or is an exact match for some defined option. If they have an + argument, it follows the option name in the same ARGV-element, separated + from the option name by a `=', or else the in next ARGV-element. + When `getopt' finds a long-named option, it returns 0 if that option's + `flag' field is nonzero, the value of the option's `val' field + if the `flag' field is zero. + + The elements of ARGV aren't really const, because we permute them. + But we pretend they're const in the prototype to be compatible + with other systems. + + LONGOPTS is a vector of `struct option' terminated by an + element containing a name which is zero. + + LONGIND returns the index in LONGOPT of the long-named option found. + It is only valid when a long-named option has been found by the most + recent call. + + If LONG_ONLY is nonzero, '-' as well as '--' can introduce + long-named options. */ + +int +_getopt_internal (argc, argv, optstring, longopts, longind, long_only) + int argc; + char *const *argv; + const char *optstring; + const struct option *longopts; + int *longind; + int long_only; +{ + optarg = NULL; + + if (optind == 0 || !__getopt_initialized) + { + if (optind == 0) + optind = 1; /* Don't scan ARGV[0], the program name. */ + optstring = _getopt_initialize (argc, argv, optstring); + __getopt_initialized = 1; + } + + /* Test whether ARGV[optind] points to a non-option argument. + Either it does not have option syntax, or there is an environment flag + from the shell indicating it is not an option. The later information + is only used when the used in the GNU libc. */ +#ifdef _LIBC +# define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0' \ + || (optind < nonoption_flags_len \ + && __getopt_nonoption_flags[optind] == '1')) +#else +# define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0') +#endif + + if (nextchar == NULL || *nextchar == '\0') + { + /* Advance to the next ARGV-element. */ + + /* Give FIRST_NONOPT & LAST_NONOPT rational values if OPTIND has been + moved back by the user (who may also have changed the arguments). */ + if (last_nonopt > optind) + last_nonopt = optind; + if (first_nonopt > optind) + first_nonopt = optind; + + if (ordering == PERMUTE) + { + /* If we have just processed some options following some non-options, + exchange them so that the options come first. */ + + if (first_nonopt != last_nonopt && last_nonopt != optind) + exchange ((char **) argv); + else if (last_nonopt != optind) + first_nonopt = optind; + + /* Skip any additional non-options + and extend the range of non-options previously skipped. */ + + while (optind < argc && NONOPTION_P) + optind++; + last_nonopt = optind; + } + + /* The special ARGV-element `--' means premature end of options. + Skip it like a null option, + then exchange with previous non-options as if it were an option, + then skip everything else like a non-option. */ + + if (optind != argc && !strcmp (argv[optind], "--")) + { + optind++; + + if (first_nonopt != last_nonopt && last_nonopt != optind) + exchange ((char **) argv); + else if (first_nonopt == last_nonopt) + first_nonopt = optind; + last_nonopt = argc; + + optind = argc; + } + + /* If we have done all the ARGV-elements, stop the scan + and back over any non-options that we skipped and permuted. */ + + if (optind == argc) + { + /* Set the next-arg-index to point at the non-options + that we previously skipped, so the caller will digest them. */ + if (first_nonopt != last_nonopt) + optind = first_nonopt; + return -1; + } + + /* If we have come to a non-option and did not permute it, + either stop the scan or describe it to the caller and pass it by. */ + + if (NONOPTION_P) + { + if (ordering == REQUIRE_ORDER) + return -1; + optarg = argv[optind++]; + return 1; + } + + /* We have found another option-ARGV-element. + Skip the initial punctuation. */ + + nextchar = (argv[optind] + 1 + + (longopts != NULL && argv[optind][1] == '-')); + } + + /* Decode the current option-ARGV-element. */ + + /* Check whether the ARGV-element is a long option. + + If long_only and the ARGV-element has the form "-f", where f is + a valid short option, don't consider it an abbreviated form of + a long option that starts with f. Otherwise there would be no + way to give the -f short option. + + On the other hand, if there's a long option "fubar" and + the ARGV-element is "-fu", do consider that an abbreviation of + the long option, just like "--fu", and not "-f" with arg "u". + + This distinction seems to be the most useful approach. */ + + if (longopts != NULL + && (argv[optind][1] == '-' + || (long_only && (argv[optind][2] || !my_index (optstring, argv[optind][1]))))) + { + char *nameend; + const struct option *p; + const struct option *pfound = NULL; + int exact = 0; + int ambig = 0; + int indfound = -1; + int option_index; + + for (nameend = nextchar; *nameend && *nameend != '='; nameend++) + /* Do nothing. */ ; + + /* Test all long options for either exact match + or abbreviated matches. */ + for (p = longopts, option_index = 0; p->name; p++, option_index++) + if (!strncmp (p->name, nextchar, nameend - nextchar)) + { + if ((unsigned int) (nameend - nextchar) + == (unsigned int) strlen (p->name)) + { + /* Exact match found. */ + pfound = p; + indfound = option_index; + exact = 1; + break; + } + else if (pfound == NULL) + { + /* First nonexact match found. */ + pfound = p; + indfound = option_index; + } + else + /* Second or later nonexact match found. */ + ambig = 1; + } + + if (ambig && !exact) + { + if (opterr) + fprintf (stderr, _("%s: option `%s' is ambiguous\n"), + argv[0], argv[optind]); + nextchar += strlen (nextchar); + optind++; + optopt = 0; + return '?'; + } + + if (pfound != NULL) + { + option_index = indfound; + optind++; + if (*nameend) + { + /* Don't test has_arg with >, because some C compilers don't + allow it to be used on enums. */ + if (pfound->has_arg) + optarg = nameend + 1; + else + { + if (opterr) + { + if (argv[optind - 1][1] == '-') + /* --option */ + fprintf (stderr, + _("%s: option `--%s' doesn't allow an argument\n"), + argv[0], pfound->name); + else + /* +option or -option */ + fprintf (stderr, + _("%s: option `%c%s' doesn't allow an argument\n"), + argv[0], argv[optind - 1][0], pfound->name); + } + nextchar += strlen (nextchar); + + optopt = pfound->val; + return '?'; + } + } + else if (pfound->has_arg == 1) + { + if (optind < argc) + optarg = argv[optind++]; + else + { + if (opterr) + fprintf (stderr, + _("%s: option `%s' requires an argument\n"), + argv[0], argv[optind - 1]); + nextchar += strlen (nextchar); + optopt = pfound->val; + return optstring[0] == ':' ? ':' : '?'; + } + } + nextchar += strlen (nextchar); + if (longind != NULL) + *longind = option_index; + if (pfound->flag) + { + *(pfound->flag) = pfound->val; + return 0; + } + return pfound->val; + } + + /* Can't find it as a long option. If this is not getopt_long_only, + or the option starts with '--' or is not a valid short + option, then it's an error. + Otherwise interpret it as a short option. */ + if (!long_only || argv[optind][1] == '-' + || my_index (optstring, *nextchar) == NULL) + { + if (opterr) + { + if (argv[optind][1] == '-') + /* --option */ + fprintf (stderr, _("%s: unrecognized option `--%s'\n"), + argv[0], nextchar); + else + /* +option or -option */ + fprintf (stderr, _("%s: unrecognized option `%c%s'\n"), + argv[0], argv[optind][0], nextchar); + } + nextchar = (char *) ""; + optind++; + optopt = 0; + return '?'; + } + } + + /* Look at and handle the next short option-character. */ + + { + char c = *nextchar++; + char *temp = my_index (optstring, c); + + /* Increment `optind' when we start to process its last character. */ + if (*nextchar == '\0') + ++optind; + + if (temp == NULL || c == ':') + { + if (opterr) + { + if (posixly_correct) + /* 1003.2 specifies the format of this message. */ + fprintf (stderr, _("%s: illegal option -- %c\n"), + argv[0], c); + else + fprintf (stderr, _("%s: invalid option -- %c\n"), + argv[0], c); + } + optopt = c; + return '?'; + } + /* Convenience. Treat POSIX -W foo same as long option --foo */ + if (temp[0] == 'W' && temp[1] == ';') + { + char *nameend; + const struct option *p; + const struct option *pfound = NULL; + int exact = 0; + int ambig = 0; + int indfound = 0; + int option_index; + + /* This is an option that requires an argument. */ + if (*nextchar != '\0') + { + optarg = nextchar; + /* If we end this ARGV-element by taking the rest as an arg, + we must advance to the next element now. */ + optind++; + } + else if (optind == argc) + { + if (opterr) + { + /* 1003.2 specifies the format of this message. */ + fprintf (stderr, _("%s: option requires an argument -- %c\n"), + argv[0], c); + } + optopt = c; + if (optstring[0] == ':') + c = ':'; + else + c = '?'; + return c; + } + else + /* We already incremented `optind' once; + increment it again when taking next ARGV-elt as argument. */ + optarg = argv[optind++]; + + /* optarg is now the argument, see if it's in the + table of longopts. */ + + for (nextchar = nameend = optarg; *nameend && *nameend != '='; nameend++) + /* Do nothing. */ ; + + /* Test all long options for either exact match + or abbreviated matches. */ + for (p = longopts, option_index = 0; p->name; p++, option_index++) + if (!strncmp (p->name, nextchar, nameend - nextchar)) + { + if ((unsigned int) (nameend - nextchar) == strlen (p->name)) + { + /* Exact match found. */ + pfound = p; + indfound = option_index; + exact = 1; + break; + } + else if (pfound == NULL) + { + /* First nonexact match found. */ + pfound = p; + indfound = option_index; + } + else + /* Second or later nonexact match found. */ + ambig = 1; + } + if (ambig && !exact) + { + if (opterr) + fprintf (stderr, _("%s: option `-W %s' is ambiguous\n"), + argv[0], argv[optind]); + nextchar += strlen (nextchar); + optind++; + return '?'; + } + if (pfound != NULL) + { + option_index = indfound; + if (*nameend) + { + /* Don't test has_arg with >, because some C compilers don't + allow it to be used on enums. */ + if (pfound->has_arg) + optarg = nameend + 1; + else + { + if (opterr) + fprintf (stderr, _("\ +%s: option `-W %s' doesn't allow an argument\n"), + argv[0], pfound->name); + + nextchar += strlen (nextchar); + return '?'; + } + } + else if (pfound->has_arg == 1) + { + if (optind < argc) + optarg = argv[optind++]; + else + { + if (opterr) + fprintf (stderr, + _("%s: option `%s' requires an argument\n"), + argv[0], argv[optind - 1]); + nextchar += strlen (nextchar); + return optstring[0] == ':' ? ':' : '?'; + } + } + nextchar += strlen (nextchar); + if (longind != NULL) + *longind = option_index; + if (pfound->flag) + { + *(pfound->flag) = pfound->val; + return 0; + } + return pfound->val; + } + nextchar = NULL; + return 'W'; /* Let the application handle it. */ + } + if (temp[1] == ':') + { + if (temp[2] == ':') + { + /* This is an option that accepts an argument optionally. */ + if (*nextchar != '\0') + { + optarg = nextchar; + optind++; + } + else + optarg = NULL; + nextchar = NULL; + } + else + { + /* This is an option that requires an argument. */ + if (*nextchar != '\0') + { + optarg = nextchar; + /* If we end this ARGV-element by taking the rest as an arg, + we must advance to the next element now. */ + optind++; + } + else if (optind == argc) + { + if (opterr) + { + /* 1003.2 specifies the format of this message. */ + fprintf (stderr, + _("%s: option requires an argument -- %c\n"), + argv[0], c); + } + optopt = c; + if (optstring[0] == ':') + c = ':'; + else + c = '?'; + } + else + /* We already incremented `optind' once; + increment it again when taking next ARGV-elt as argument. */ + optarg = argv[optind++]; + nextchar = NULL; + } + } + return c; + } +} + +int +getopt (argc, argv, optstring) + int argc; + char *const *argv; + const char *optstring; +{ + return _getopt_internal (argc, argv, optstring, + (const struct option *) 0, + (int *) 0, + 0); +} + +#endif /* Not ELIDE_CODE. */ + +#ifdef TEST + +/* Compile with -DTEST to make an executable for use in testing + the above definition of `getopt'. */ + +int +main (argc, argv) + int argc; + char **argv; +{ + int c; + int digit_optind = 0; + + while (1) + { + int this_option_optind = optind ? optind : 1; + + c = getopt (argc, argv, "abc:d:0123456789"); + if (c == -1) + break; + + switch (c) + { + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + if (digit_optind != 0 && digit_optind != this_option_optind) + printf ("digits occur in two different argv-elements.\n"); + digit_optind = this_option_optind; + printf ("option %c\n", c); + break; + + case 'a': + printf ("option a\n"); + break; + + case 'b': + printf ("option b\n"); + break; + + case 'c': + printf ("option c with value `%s'\n", optarg); + break; + + case '?': + break; + + default: + printf ("?? getopt returned character code 0%o ??\n", c); + } + } + + if (optind < argc) + { + printf ("non-option ARGV-elements: "); + while (optind < argc) + printf ("%s ", argv[optind++]); + printf ("\n"); + } + + exit (0); +} + +#endif /* TEST */ diff --git a/lib/getopt.h b/lib/getopt.h new file mode 100644 index 0000000..fb30719 --- /dev/null +++ b/lib/getopt.h @@ -0,0 +1,133 @@ +/* Declarations for getopt. + Copyright (C) 1989,90,91,92,93,94,96,97 Free Software Foundation, Inc. + + NOTE: The canonical source of this file is maintained with the GNU C Library. + Bugs can be reported to bug-glibc@gnu.org. + + This program is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by the + Free Software Foundation; either version 2, or (at your option) any + later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + USA. */ + +#ifndef _GETOPT_H +#define _GETOPT_H 1 + +#ifdef __cplusplus +extern "C" { +#endif + +/* For communication from `getopt' to the caller. + When `getopt' finds an option that takes an argument, + the argument value is returned here. + Also, when `ordering' is RETURN_IN_ORDER, + each non-option ARGV-element is returned here. */ + +extern char *optarg; + +/* Index in ARGV of the next element to be scanned. + This is used for communication to and from the caller + and for communication between successive calls to `getopt'. + + On entry to `getopt', zero means this is the first call; initialize. + + When `getopt' returns -1, this is the index of the first of the + non-option elements that the caller should itself scan. + + Otherwise, `optind' communicates from one call to the next + how much of ARGV has been scanned so far. */ + +extern int optind; + +/* Callers store zero here to inhibit the error message `getopt' prints + for unrecognized options. */ + +extern int opterr; + +/* Set to an option character which was unrecognized. */ + +extern int optopt; + +/* Describe the long-named options requested by the application. + The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector + of `struct option' terminated by an element containing a name which is + zero. + + The field `has_arg' is: + no_argument (or 0) if the option does not take an argument, + required_argument (or 1) if the option requires an argument, + optional_argument (or 2) if the option takes an optional argument. + + If the field `flag' is not NULL, it points to a variable that is set + to the value given in the field `val' when the option is found, but + left unchanged if the option is not found. + + To have a long-named option do something other than set an `int' to + a compiled-in constant, such as set a value from `optarg', set the + option's `flag' field to zero and its `val' field to a nonzero + value (the equivalent single-letter option character, if there is + one). For long options that have a zero `flag' field, `getopt' + returns the contents of the `val' field. */ + +struct option +{ +#if defined (__STDC__) && __STDC__ + const char *name; +#else + char *name; +#endif + /* has_arg can't be an enum because some compilers complain about + type mismatches in all the code that assumes it is an int. */ + int has_arg; + int *flag; + int val; +}; + +/* Names for the values of the `has_arg' field of `struct option'. */ + +#define no_argument 0 +#define required_argument 1 +#define optional_argument 2 + +#if defined (__STDC__) && __STDC__ +#ifdef __GNU_LIBRARY__ +/* Many other libraries have conflicting prototypes for getopt, with + differences in the consts, in stdlib.h. To avoid compilation + errors, only prototype getopt for the GNU C library. */ +extern int getopt (int argc, char *const *argv, const char *shortopts); +#else /* not __GNU_LIBRARY__ */ +extern int getopt (); +#endif /* __GNU_LIBRARY__ */ +extern int getopt_long (int argc, char *const *argv, const char *shortopts, + const struct option *longopts, int *longind); +extern int getopt_long_only (int argc, char *const *argv, + const char *shortopts, + const struct option *longopts, int *longind); + +/* Internal only. Users should not call this directly. */ +extern int _getopt_internal (int argc, char *const *argv, + const char *shortopts, + const struct option *longopts, int *longind, + int long_only); +#else /* not __STDC__ */ +extern int getopt (); +extern int getopt_long (); +extern int getopt_long_only (); + +extern int _getopt_internal (); +#endif /* __STDC__ */ + +#ifdef __cplusplus +} +#endif + +#endif /* getopt.h */ diff --git a/lib/getopt1.c b/lib/getopt1.c new file mode 100644 index 0000000..ff25737 --- /dev/null +++ b/lib/getopt1.c @@ -0,0 +1,190 @@ +/* getopt_long and getopt_long_only entry points for GNU getopt. + Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98 + Free Software Foundation, Inc. + + NOTE: The canonical source of this file is maintained with the GNU C Library. + Bugs can be reported to bug-glibc@gnu.org. + + This program is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by the + Free Software Foundation; either version 2, or (at your option) any + later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + USA. */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "getopt.h" + +#if !defined __STDC__ || !__STDC__ +/* This is a separate conditional since some stdc systems + reject `defined (const)'. */ +#ifndef const +#define const +#endif +#endif + +#include <stdio.h> + +/* Comment out all this code if we are using the GNU C Library, and are not + actually compiling the library itself. This code is part of the GNU C + Library, but also included in many other GNU distributions. Compiling + and linking in this code is a waste when using the GNU C library + (especially if it is a shared library). Rather than having every GNU + program understand `configure --with-gnu-libc' and omit the object files, + it is simpler to just do this in the source for each such file. */ + +#define GETOPT_INTERFACE_VERSION 2 +#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2 +#include <gnu-versions.h> +#if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION +#define ELIDE_CODE +#endif +#endif + +#ifndef ELIDE_CODE + + +/* This needs to come after some library #include + to get __GNU_LIBRARY__ defined. */ +#ifdef __GNU_LIBRARY__ +#include <stdlib.h> +#endif + +#ifndef NULL +#define NULL 0 +#endif + +int +getopt_long (argc, argv, options, long_options, opt_index) + int argc; + char *const *argv; + const char *options; + const struct option *long_options; + int *opt_index; +{ + return _getopt_internal (argc, argv, options, long_options, opt_index, 0); +} + +/* Like getopt_long, but '-' as well as '--' can indicate a long option. + If an option that starts with '-' (not '--') doesn't match a long option, + but does match a short option, it is parsed as a short option + instead. */ + +int +getopt_long_only (argc, argv, options, long_options, opt_index) + int argc; + char *const *argv; + const char *options; + const struct option *long_options; + int *opt_index; +{ + return _getopt_internal (argc, argv, options, long_options, opt_index, 1); +} + + +#endif /* Not ELIDE_CODE. */ + +#ifdef TEST + +#include <stdio.h> + +int +main (argc, argv) + int argc; + char **argv; +{ + int c; + int digit_optind = 0; + + while (1) + { + int this_option_optind = optind ? optind : 1; + int option_index = 0; + static struct option long_options[] = + { + {"add", 1, 0, 0}, + {"append", 0, 0, 0}, + {"delete", 1, 0, 0}, + {"verbose", 0, 0, 0}, + {"create", 0, 0, 0}, + {"file", 1, 0, 0}, + {0, 0, 0, 0} + }; + + c = getopt_long (argc, argv, "abc:d:0123456789", + long_options, &option_index); + if (c == -1) + break; + + switch (c) + { + case 0: + printf ("option %s", long_options[option_index].name); + if (optarg) + printf (" with arg %s", optarg); + printf ("\n"); + break; + + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + if (digit_optind != 0 && digit_optind != this_option_optind) + printf ("digits occur in two different argv-elements.\n"); + digit_optind = this_option_optind; + printf ("option %c\n", c); + break; + + case 'a': + printf ("option a\n"); + break; + + case 'b': + printf ("option b\n"); + break; + + case 'c': + printf ("option c with value `%s'\n", optarg); + break; + + case 'd': + printf ("option d with value `%s'\n", optarg); + break; + + case '?': + break; + + default: + printf ("?? getopt returned character code 0%o ??\n", c); + } + } + + if (optind < argc) + { + printf ("non-option ARGV-elements: "); + while (optind < argc) + printf ("%s ", argv[optind++]); + printf ("\n"); + } + + exit (0); +} + +#endif /* TEST */ |