new file.

1 files changed, 767 insertions, 0 deletions

diff --git a/gstrfuncs.c b/gstrfuncs.c
new file mode 100644
index 000000000..adabec797
--- /dev/null
+++ b/gstrfuncs.c
@@ -0,0 +1,767 @@
+/* GLIB - Library of useful routines for C programming
+ * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <locale.h>
+#include <ctype.h>		/* For tolower() */
+#include "glib.h"
+/* do not include <unistd.h> in this place since which,
+ * inteferes with g_strsignal() on some OSes
+ */
+
+gchar*
+g_strdup (const gchar *str)
+{
+  gchar *new_str;
+  
+  new_str = NULL;
+  if (str)
+    {
+      new_str = g_new (char, strlen (str) + 1);
+      strcpy (new_str, str);
+    }
+  
+  return new_str;
+}
+
+gchar*
+g_strconcat (const gchar *string1, ...)
+{
+  guint	  l;
+  va_list args;
+  gchar	  *s;
+  gchar	  *concat;
+  
+  g_return_val_if_fail (string1 != NULL, NULL);
+  
+  l = 1 + strlen (string1);
+  va_start (args, string1);
+  s = va_arg (args, gchar*);
+  while (s)
+    {
+      l += strlen (s);
+      s = va_arg (args, gchar*);
+    }
+  va_end (args);
+  
+  concat = g_new (gchar, l);
+  concat[0] = 0;
+  
+  strcat (concat, string1);
+  va_start (args, string1);
+  s = va_arg (args, gchar*);
+  while (s)
+    {
+      strcat (concat, s);
+      s = va_arg (args, gchar*);
+    }
+  va_end (args);
+  
+  return concat;
+}
+
+gdouble
+g_strtod (const gchar *nptr,
+	  gchar **endptr)
+{
+  gchar *fail_pos_1;
+  gchar *fail_pos_2;
+  gdouble val_1;
+  gdouble val_2 = 0;
+
+  g_return_val_if_fail (nptr != NULL, 0);
+
+  fail_pos_1 = NULL;
+  fail_pos_2 = NULL;
+
+  val_1 = strtod (nptr, &fail_pos_1);
+
+  if (fail_pos_1 && fail_pos_1[0] != 0)
+    {
+      gchar *old_locale;
+
+      old_locale = setlocale (LC_NUMERIC, "C");
+      val_2 = strtod (nptr, &fail_pos_2);
+      setlocale (LC_NUMERIC, old_locale);
+    }
+
+  if (!fail_pos_1 || fail_pos_1[0] == 0 || fail_pos_1 >= fail_pos_2)
+    {
+      if (endptr)
+	*endptr = fail_pos_1;
+      return val_1;
+    }
+  else
+    {
+      if (endptr)
+	*endptr = fail_pos_2;
+      return val_2;
+    }
+}
+
+gchar*
+g_strerror (gint errnum)
+{
+  static char msg[64];
+  
+#ifdef HAVE_STRERROR
+  return strerror (errnum);
+#elif NO_SYS_ERRLIST
+  switch (errnum)
+    {
+#ifdef E2BIG
+    case E2BIG: return "argument list too long";
+#endif
+#ifdef EACCES
+    case EACCES: return "permission denied";
+#endif
+#ifdef EADDRINUSE
+    case EADDRINUSE: return "address already in use";
+#endif
+#ifdef EADDRNOTAVAIL
+    case EADDRNOTAVAIL: return "can't assign requested address";
+#endif
+#ifdef EADV
+    case EADV: return "advertise error";
+#endif
+#ifdef EAFNOSUPPORT
+    case EAFNOSUPPORT: return "address family not supported by protocol family";
+#endif
+#ifdef EAGAIN
+    case EAGAIN: return "try again";
+#endif
+#ifdef EALIGN
+    case EALIGN: return "EALIGN";
+#endif
+#ifdef EALREADY
+    case EALREADY: return "operation already in progress";
+#endif
+#ifdef EBADE
+    case EBADE: return "bad exchange descriptor";
+#endif
+#ifdef EBADF
+    case EBADF: return "bad file number";
+#endif
+#ifdef EBADFD
+    case EBADFD: return "file descriptor in bad state";
+#endif
+#ifdef EBADMSG
+    case EBADMSG: return "not a data message";
+#endif
+#ifdef EBADR
+    case EBADR: return "bad request descriptor";
+#endif
+#ifdef EBADRPC
+    case EBADRPC: return "RPC structure is bad";
+#endif
+#ifdef EBADRQC
+    case EBADRQC: return "bad request code";
+#endif
+#ifdef EBADSLT
+    case EBADSLT: return "invalid slot";
+#endif
+#ifdef EBFONT
+    case EBFONT: return "bad font file format";
+#endif
+#ifdef EBUSY
+    case EBUSY: return "mount device busy";
+#endif
+#ifdef ECHILD
+    case ECHILD: return "no children";
+#endif
+#ifdef ECHRNG
+    case ECHRNG: return "channel number out of range";
+#endif
+#ifdef ECOMM
+    case ECOMM: return "communication error on send";
+#endif
+#ifdef ECONNABORTED
+    case ECONNABORTED: return "software caused connection abort";
+#endif
+#ifdef ECONNREFUSED
+    case ECONNREFUSED: return "connection refused";
+#endif
+#ifdef ECONNRESET
+    case ECONNRESET: return "connection reset by peer";
+#endif
+#if defined(EDEADLK) && (!defined(EWOULDBLOCK) || (EDEADLK != EWOULDBLOCK))
+    case EDEADLK: return "resource deadlock avoided";
+#endif
+#ifdef EDEADLOCK
+    case EDEADLOCK: return "resource deadlock avoided";
+#endif
+#ifdef EDESTADDRREQ
+    case EDESTADDRREQ: return "destination address required";
+#endif
+#ifdef EDIRTY
+    case EDIRTY: return "mounting a dirty fs w/o force";
+#endif
+#ifdef EDOM
+    case EDOM: return "math argument out of range";
+#endif
+#ifdef EDOTDOT
+    case EDOTDOT: return "cross mount point";
+#endif
+#ifdef EDQUOT
+    case EDQUOT: return "disk quota exceeded";
+#endif
+#ifdef EDUPPKG
+    case EDUPPKG: return "duplicate package name";
+#endif
+#ifdef EEXIST
+    case EEXIST: return "file already exists";
+#endif
+#ifdef EFAULT
+    case EFAULT: return "bad address in system call argument";
+#endif
+#ifdef EFBIG
+    case EFBIG: return "file too large";
+#endif
+#ifdef EHOSTDOWN
+    case EHOSTDOWN: return "host is down";
+#endif
+#ifdef EHOSTUNREACH
+    case EHOSTUNREACH: return "host is unreachable";
+#endif
+#ifdef EIDRM
+    case EIDRM: return "identifier removed";
+#endif
+#ifdef EINIT
+    case EINIT: return "initialization error";
+#endif
+#ifdef EINPROGRESS
+    case EINPROGRESS: return "operation now in progress";
+#endif
+#ifdef EINTR
+    case EINTR: return "interrupted system call";
+#endif
+#ifdef EINVAL
+    case EINVAL: return "invalid argument";
+#endif
+#ifdef EIO
+    case EIO: return "I/O error";
+#endif
+#ifdef EISCONN
+    case EISCONN: return "socket is already connected";
+#endif
+#ifdef EISDIR
+    case EISDIR: return "illegal operation on a directory";
+#endif
+#ifdef EISNAME
+    case EISNAM: return "is a name file";
+#endif
+#ifdef ELBIN
+    case ELBIN: return "ELBIN";
+#endif
+#ifdef EL2HLT
+    case EL2HLT: return "level 2 halted";
+#endif
+#ifdef EL2NSYNC
+    case EL2NSYNC: return "level 2 not synchronized";
+#endif
+#ifdef EL3HLT
+    case EL3HLT: return "level 3 halted";
+#endif
+#ifdef EL3RST
+    case EL3RST: return "level 3 reset";
+#endif
+#ifdef ELIBACC
+    case ELIBACC: return "can not access a needed shared library";
+#endif
+#ifdef ELIBBAD
+    case ELIBBAD: return "accessing a corrupted shared library";
+#endif
+#ifdef ELIBEXEC
+    case ELIBEXEC: return "can not exec a shared library directly";
+#endif
+#ifdef ELIBMAX
+    case ELIBMAX: return "attempting to link in more shared libraries than system limit";
+#endif
+#ifdef ELIBSCN
+    case ELIBSCN: return ".lib section in a.out corrupted";
+#endif
+#ifdef ELNRNG
+    case ELNRNG: return "link number out of range";
+#endif
+#ifdef ELOOP
+    case ELOOP: return "too many levels of symbolic links";
+#endif
+#ifdef EMFILE
+    case EMFILE: return "too many open files";
+#endif
+#ifdef EMLINK
+    case EMLINK: return "too many links";
+#endif
+#ifdef EMSGSIZE
+    case EMSGSIZE: return "message too long";
+#endif
+#ifdef EMULTIHOP
+    case EMULTIHOP: return "multihop attempted";
+#endif
+#ifdef ENAMETOOLONG
+    case ENAMETOOLONG: return "file name too long";
+#endif
+#ifdef ENAVAIL
+    case ENAVAIL: return "not available";
+#endif
+#ifdef ENET
+    case ENET: return "ENET";
+#endif
+#ifdef ENETDOWN
+    case ENETDOWN: return "network is down";
+#endif
+#ifdef ENETRESET
+    case ENETRESET: return "network dropped connection on reset";
+#endif
+#ifdef ENETUNREACH
+    case ENETUNREACH: return "network is unreachable";
+#endif
+#ifdef ENFILE
+    case ENFILE: return "file table overflow";
+#endif
+#ifdef ENOANO
+    case ENOANO: return "anode table overflow";
+#endif
+#if defined(ENOBUFS) && (!defined(ENOSR) || (ENOBUFS != ENOSR))
+    case ENOBUFS: return "no buffer space available";
+#endif
+#ifdef ENOCSI
+    case ENOCSI: return "no CSI structure available";
+#endif
+#ifdef ENODATA
+    case ENODATA: return "no data available";
+#endif
+#ifdef ENODEV
+    case ENODEV: return "no such device";
+#endif
+#ifdef ENOENT
+    case ENOENT: return "no such file or directory";
+#endif
+#ifdef ENOEXEC
+    case ENOEXEC: return "exec format error";
+#endif
+#ifdef ENOLCK
+    case ENOLCK: return "no locks available";
+#endif
+#ifdef ENOLINK
+    case ENOLINK: return "link has be severed";
+#endif
+#ifdef ENOMEM
+    case ENOMEM: return "not enough memory";
+#endif
+#ifdef ENOMSG
+    case ENOMSG: return "no message of desired type";
+#endif
+#ifdef ENONET
+    case ENONET: return "machine is not on the network";
+#endif
+#ifdef ENOPKG
+    case ENOPKG: return "package not installed";
+#endif
+#ifdef ENOPROTOOPT
+    case ENOPROTOOPT: return "bad proocol option";
+#endif
+#ifdef ENOSPC
+    case ENOSPC: return "no space left on device";
+#endif
+#ifdef ENOSR
+    case ENOSR: return "out of stream resources";
+#endif
+#ifdef ENOSTR
+    case ENOSTR: return "not a stream device";
+#endif
+#ifdef ENOSYM
+    case ENOSYM: return "unresolved symbol name";
+#endif
+#ifdef ENOSYS
+    case ENOSYS: return "function not implemented";
+#endif
+#ifdef ENOTBLK
+    case ENOTBLK: return "block device required";
+#endif
+#ifdef ENOTCONN
+    case ENOTCONN: return "socket is not connected";
+#endif
+#ifdef ENOTDIR
+    case ENOTDIR: return "not a directory";
+#endif
+#ifdef ENOTEMPTY
+    case ENOTEMPTY: return "directory not empty";
+#endif
+#ifdef ENOTNAM
+    case ENOTNAM: return "not a name file";
+#endif
+#ifdef ENOTSOCK
+    case ENOTSOCK: return "socket operation on non-socket";
+#endif
+#ifdef ENOTTY
+    case ENOTTY: return "inappropriate device for ioctl";
+#endif
+#ifdef ENOTUNIQ
+    case ENOTUNIQ: return "name not unique on network";
+#endif
+#ifdef ENXIO
+    case ENXIO: return "no such device or address";
+#endif
+#ifdef EOPNOTSUPP
+    case EOPNOTSUPP: return "operation not supported on socket";
+#endif
+#ifdef EPERM
+    case EPERM: return "not owner";
+#endif
+#ifdef EPFNOSUPPORT
+    case EPFNOSUPPORT: return "protocol family not supported";
+#endif
+#ifdef EPIPE
+    case EPIPE: return "broken pipe";
+#endif
+#ifdef EPROCLIM
+    case EPROCLIM: return "too many processes";
+#endif
+#ifdef EPROCUNAVAIL
+    case EPROCUNAVAIL: return "bad procedure for program";
+#endif
+#ifdef EPROGMISMATCH
+    case EPROGMISMATCH: return "program version wrong";
+#endif
+#ifdef EPROGUNAVAIL
+    case EPROGUNAVAIL: return "RPC program not available";
+#endif
+#ifdef EPROTO
+    case EPROTO: return "protocol error";
+#endif
+#ifdef EPROTONOSUPPORT
+    case EPROTONOSUPPORT: return "protocol not suppored";
+#endif
+#ifdef EPROTOTYPE
+    case EPROTOTYPE: return "protocol wrong type for socket";
+#endif
+#ifdef ERANGE
+    case ERANGE: return "math result unrepresentable";
+#endif
+#if defined(EREFUSED) && (!defined(ECONNREFUSED) || (EREFUSED != ECONNREFUSED))
+    case EREFUSED: return "EREFUSED";
+#endif
+#ifdef EREMCHG
+    case EREMCHG: return "remote address changed";
+#endif
+#ifdef EREMDEV
+    case EREMDEV: return "remote device";
+#endif
+#ifdef EREMOTE
+    case EREMOTE: return "pathname hit remote file system";
+#endif
+#ifdef EREMOTEIO
+    case EREMOTEIO: return "remote i/o error";
+#endif
+#ifdef EREMOTERELEASE
+    case EREMOTERELEASE: return "EREMOTERELEASE";
+#endif
+#ifdef EROFS
+    case EROFS: return "read-only file system";
+#endif
+#ifdef ERPCMISMATCH
+    case ERPCMISMATCH: return "RPC version is wrong";
+#endif
+#ifdef ERREMOTE
+    case ERREMOTE: return "object is remote";
+#endif
+#ifdef ESHUTDOWN
+    case ESHUTDOWN: return "can't send afer socket shutdown";
+#endif
+#ifdef ESOCKTNOSUPPORT
+    case ESOCKTNOSUPPORT: return "socket type not supported";
+#endif
+#ifdef ESPIPE
+    case ESPIPE: return "invalid seek";
+#endif
+#ifdef ESRCH
+    case ESRCH: return "no such process";
+#endif
+#ifdef ESRMNT
+    case ESRMNT: return "srmount error";
+#endif
+#ifdef ESTALE
+    case ESTALE: return "stale remote file handle";
+#endif
+#ifdef ESUCCESS
+    case ESUCCESS: return "Error 0";
+#endif
+#ifdef ETIME
+    case ETIME: return "timer expired";
+#endif
+#ifdef ETIMEDOUT
+    case ETIMEDOUT: return "connection timed out";
+#endif
+#ifdef ETOOMANYREFS
+    case ETOOMANYREFS: return "too many references: can't splice";
+#endif
+#ifdef ETXTBSY
+    case ETXTBSY: return "text file or pseudo-device busy";
+#endif
+#ifdef EUCLEAN
+    case EUCLEAN: return "structure needs cleaning";
+#endif
+#ifdef EUNATCH
+    case EUNATCH: return "protocol driver not attached";
+#endif
+#ifdef EUSERS
+    case EUSERS: return "too many users";
+#endif
+#ifdef EVERSION
+    case EVERSION: return "version mismatch";
+#endif
+#if defined(EWOULDBLOCK) && (!defined(EAGAIN) || (EWOULDBLOCK != EAGAIN))
+    case EWOULDBLOCK: return "operation would block";
+#endif
+#ifdef EXDEV
+    case EXDEV: return "cross-domain link";
+#endif
+#ifdef EXFULL
+    case EXFULL: return "message tables full";
+#endif
+    }
+#else /* NO_SYS_ERRLIST */
+  extern int sys_nerr;
+  extern char *sys_errlist[];
+
+  if ((errnum > 0) && (errnum <= sys_nerr))
+    return sys_errlist [errnum];
+#endif /* NO_SYS_ERRLIST */
+
+  sprintf (msg, "unknown error (%d)", errnum);
+  return msg;
+}
+
+gchar*
+g_strsignal (gint signum)
+{
+  static char msg[64];
+
+#ifdef HAVE_STRSIGNAL
+  extern char *strsignal (int sig);
+  return strsignal (signum);
+#elif NO_SYS_SIGLIST
+  switch (signum)
+    {
+#ifdef SIGHUP
+    case SIGHUP: return "Hangup";
+#endif
+#ifdef SIGINT
+    case SIGINT: return "Interrupt";
+#endif
+#ifdef SIGQUIT
+    case SIGQUIT: return "Quit";
+#endif
+#ifdef SIGILL
+    case SIGILL: return "Illegal instruction";
+#endif
+#ifdef SIGTRAP
+    case SIGTRAP: return "Trace/breakpoint trap";
+#endif
+#ifdef SIGABRT
+    case SIGABRT: return "IOT trap/Abort";
+#endif
+#ifdef SIGBUS
+    case SIGBUS: return "Bus error";
+#endif
+#ifdef SIGFPE
+    case SIGFPE: return "Floating point exception";
+#endif
+#ifdef SIGKILL
+    case SIGKILL: return "Killed";
+#endif
+#ifdef SIGUSR1
+    case SIGUSR1: return "User defined signal 1";
+#endif
+#ifdef SIGSEGV
+    case SIGSEGV: return "Segmentation fault";
+#endif
+#ifdef SIGUSR2
+    case SIGUSR2: return "User defined signal 2";
+#endif
+#ifdef SIGPIPE
+    case SIGPIPE: return "Broken pipe";
+#endif
+#ifdef SIGALRM
+    case SIGALRM: return "Alarm clock";
+#endif
+#ifdef SIGTERM
+    case SIGTERM: return "Terminated";
+#endif
+#ifdef SIGSTKFLT
+    case SIGSTKFLT: return "Stack fault";
+#endif
+#ifdef SIGCHLD
+    case SIGCHLD: return "Child exited";
+#endif
+#ifdef SIGCONT
+    case SIGCONT: return "Continued";
+#endif
+#ifdef SIGSTOP
+    case SIGSTOP: return "Stopped (signal)";
+#endif
+#ifdef SIGTSTP
+    case SIGTSTP: return "Stopped";
+#endif
+#ifdef SIGTTIN
+    case SIGTTIN: return "Stopped (tty input)";
+#endif
+#ifdef SIGTTOU
+    case SIGTTOU: return "Stopped (tty output)";
+#endif
+#ifdef SIGURG
+    case SIGURG: return "Urgent condition";
+#endif
+#ifdef SIGXCPU
+    case SIGXCPU: return "CPU time limit exceeded";
+#endif
+#ifdef SIGXFSZ
+    case SIGXFSZ: return "File size limit exceeded";
+#endif
+#ifdef SIGVTALRM
+    case SIGVTALRM: return "Virtual time alarm";
+#endif
+#ifdef SIGPROF
+    case SIGPROF: return "Profile signal";
+#endif
+#ifdef SIGWINCH
+    case SIGWINCH: return "Window size changed";
+#endif
+#ifdef SIGIO
+    case SIGIO: return "Possible I/O";
+#endif
+#ifdef SIGPWR
+    case SIGPWR: return "Power failure";
+#endif
+#ifdef SIGUNUSED
+    case SIGUNUSED: return "Unused signal";
+#endif
+    }
+#else /* NO_SYS_SIGLIST */
+  extern char *sys_siglist[];
+  return sys_siglist [signum];
+#endif /* NO_SYS_SIGLIST */
+
+  sprintf (msg, "unknown signal (%d)", signum);
+  return msg;
+}
+
+void
+g_strdown (gchar  *string)
+{
+  register gchar *s;
+
+  g_return_if_fail (string != NULL);
+
+  s = string;
+
+  while (*s)
+    {
+      *s = tolower (*s);
+      s++;
+    }
+}
+
+void
+g_strup (gchar  *string)
+{
+  register gchar *s;
+
+  g_return_if_fail (string != NULL);
+
+  s = string;
+
+  while (*s)
+    {
+      *s = toupper (*s);
+      s++;
+    }
+}
+
+void
+g_strreverse (gchar       *string)
+{
+  g_return_if_fail (string != NULL);
+
+  if (*string)
+    {
+      register gchar *h, *t;
+
+      h = string;
+      t = string + strlen (string) - 1;
+      
+      while (h < t)
+	{
+	  register gchar c;
+	  
+	  c = *h;
+	  *h = *t;
+	  h++;
+	  *t = c;
+	  t--;
+	}
+    }
+}
+
+gint
+g_strcasecmp (const gchar *s1,
+	      const gchar *s2)
+{
+#ifdef HAVE_STRCASECMP
+  return strcasecmp (s1, s2);
+#else
+  gint c1, c2;
+
+  while (*s1 && *s2)
+    {
+      /* According to A. Cox, some platforms have islower's that
+       * don't work right on non-uppercase
+       */
+      c1 = isupper ((guchar)*s1) ? tolower ((guchar)*s1) : *s1;
+      c2 = isupper ((guchar)*s2) ? tolower ((guchar)*s2) : *s2;
+      if (c1 != c2)
+        return (c1 - c2);
+      s1++; s2++;
+    }
+
+  return (((gint)(guchar) *s1) - ((gint)(guchar) *s2));
+#endif
+}
+
+void
+g_strdelimit (gchar       *string,
+	      const gchar *delimiters,
+	      gchar        new_delim)
+{
+  register gchar *c;
+
+  g_return_if_fail (string != NULL);
+
+  if (!delimiters)
+    delimiters = G_STR_DELIMITERS;
+
+  for (c = string; *c; c++)
+    {
+      if (strchr (delimiters, *c))
+	*c = new_delim;
+    }
+}