diff options
author | Tor Lillqvist <tml@iki.fi> | 2000-10-30 22:06:22 +0000 |
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committer | Tor Lillqvist <tml@src.gnome.org> | 2000-10-30 22:06:22 +0000 |
commit | dd3f4d6bb37b2f8eb4722bcbd2560a45ac1fa2d9 (patch) | |
tree | fbef3b1efadbc9ce14d67b94909c2749f76afe30 /glib | |
parent | 6acee58bdfc7e90ff8be4130b3eb3aaa319cfd3b (diff) | |
download | glib-dd3f4d6bb37b2f8eb4722bcbd2560a45ac1fa2d9.tar.gz |
gutils.c gutils.h gfileutils.c Actually, g_mkstemp() is better suited in
2000-10-31 Tor Lillqvist <tml@iki.fi>
* gutils.c
* gutils.h
* gfileutils.c
* gfileutils.h: Actually, g_mkstemp() is better suited in gfileutils.
Diffstat (limited to 'glib')
-rw-r--r-- | glib/gfileutils.c | 75 | ||||
-rw-r--r-- | glib/gfileutils.h | 2 | ||||
-rw-r--r-- | glib/glib.def | 2 | ||||
-rw-r--r-- | glib/gutils.c | 76 | ||||
-rw-r--r-- | glib/gutils.h | 3 |
5 files changed, 79 insertions, 79 deletions
diff --git a/glib/gfileutils.c b/glib/gfileutils.c index 20a8d370a..e983a1dad 100644 --- a/glib/gfileutils.c +++ b/glib/gfileutils.c @@ -497,3 +497,78 @@ g_file_get_contents (const gchar *filename, return get_contents_posix (filename, contents, length, error); #endif } + +/** + * g_mkstemp: + * + * Open a temporary file + * + * The parameter is a string that should match the rules for mktemp, i.e. + * end in "XXXXXX". The X string will be modified to form the name + * of a file that didn't exist. + * + * Return value: A file handle (as from open()) to the file file + * opened for reading and writing. The file is opened in binary mode + * on platforms where there is a difference. The file handle should be + * closed with close(). In case of errors, -1 is returned. + * + * From the GNU C library. + * Copyright (C) 1991,92,93,94,95,96,97,98,99 Free Software Foundation, Inc. + */ +int +g_mkstemp (char *tmpl) +{ +#ifdef HAVE_MKSTEMP + return mkstemp (tmpl); +#else + int len; + char *XXXXXX; + int count, fd; + static const char letters[] = + "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; + glong value; + GTimeVal tv; + + len = strlen (tmpl); + if (len < 6 || strcmp (&tmpl[len - 6], "XXXXXX")) + return -1; + + /* This is where the Xs start. */ + XXXXXX = &tmpl[len - 6]; + + /* Get some more or less random data. */ + g_get_current_time (&tv); + value = tv.tv_usec ^ tv.tv_sec; + + for (count = 0; count < 100; value += 7777, ++count) + { + glong v = value; + + /* Fill in the random bits. */ + XXXXXX[0] = letters[v % 62]; + v /= 62; + XXXXXX[1] = letters[v % 62]; + v /= 62; + XXXXXX[2] = letters[v % 62]; + v /= 62; + XXXXXX[3] = letters[v % 62]; + v /= 62; + XXXXXX[4] = letters[v % 62]; + v /= 62; + XXXXXX[5] = letters[v % 62]; + + fd = open (tmpl, O_RDWR | O_CREAT | O_EXCL | O_BINARY, 0600); + + if (fd >= 0) + return fd; + else if (errno != EEXIST) + /* Any other error will apply also to other names we might + * try, and there are 2^32 or so of them, so give up now. + */ + return -1; + } + + /* We got out of the loop because we ran out of combinations to try. */ + return -1; +#endif +} diff --git a/glib/gfileutils.h b/glib/gfileutils.h index d49c921c9..e452ea7bf 100644 --- a/glib/gfileutils.h +++ b/glib/gfileutils.h @@ -80,6 +80,8 @@ gboolean g_file_get_contents (const gchar *filename, GError **error); +/* Wrapper / workalike for mkstemp() */ +int g_mkstemp (char *tmpl); G_END_DECLS diff --git a/glib/glib.def b/glib/glib.def index 37f9f9a70..818485869 100644 --- a/glib/glib.def +++ b/glib/glib.def @@ -99,6 +99,8 @@ EXPORTS g_error_matches g_error_new g_error_new_literal + g_file_error_from_errno + g_file_error_quark g_file_get_contents g_file_test g_filename_from_utf8 diff --git a/glib/gutils.c b/glib/gutils.c index b7b786da9..6cb914143 100644 --- a/glib/gutils.c +++ b/glib/gutils.c @@ -40,7 +40,6 @@ #include <stdio.h> #include <string.h> #include <errno.h> -#include <fcntl.h> #ifdef HAVE_PWD_H #include <pwd.h> #endif @@ -969,78 +968,3 @@ g_get_codeset (void) #endif #endif } - -/** - * g_mkstemp: - * - * Open a temporary file - * - * The parameter is a string that should match the rules for mktemp, i.e. - * end in "XXXXXX". The X string will be modified to form the name - * of a file that didn't exist. - * - * Return value: A file handle (as from open()) to the file file - * opened for reading and writing. The file is opened in binary mode - * on platforms where there is a difference. The file handle should be - * closed with close(). In case of errors, -1 is returned. - * - * From the GNU C library. - * Copyright (C) 1991,92,93,94,95,96,97,98,99 Free Software Foundation, Inc. - */ -int -g_mkstemp (char *tmpl) -{ -#ifdef HAVE_MKSTEMP - return mkstemp (tmpl); -#else - int len; - char *XXXXXX; - int count, fd; - static const char letters[] = - "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; - glong value; - GTimeVal tv; - - len = strlen (tmpl); - if (len < 6 || strcmp (&tmpl[len - 6], "XXXXXX")) - return -1; - - /* This is where the Xs start. */ - XXXXXX = &tmpl[len - 6]; - - /* Get some more or less random data. */ - g_get_current_time (&tv); - value = tv.tv_usec ^ tv.tv_sec; - - for (count = 0; count < 100; value += 7777, ++count) - { - glong v = value; - - /* Fill in the random bits. */ - XXXXXX[0] = letters[v % 62]; - v /= 62; - XXXXXX[1] = letters[v % 62]; - v /= 62; - XXXXXX[2] = letters[v % 62]; - v /= 62; - XXXXXX[3] = letters[v % 62]; - v /= 62; - XXXXXX[4] = letters[v % 62]; - v /= 62; - XXXXXX[5] = letters[v % 62]; - - fd = open (tmpl, O_RDWR | O_CREAT | O_EXCL | O_BINARY, 0600); - - if (fd >= 0) - return fd; - else if (errno != EEXIST) - /* Any other error will apply also to other names we might - * try, and there are 2^32 or so of them, so give up now. - */ - return -1; - } - - /* We got out of the loop because we ran out of combinations to try. */ - return -1; -#endif -} diff --git a/glib/gutils.h b/glib/gutils.h index e70ec48df..c4dcb1b8a 100644 --- a/glib/gutils.h +++ b/glib/gutils.h @@ -161,9 +161,6 @@ gchar* g_path_get_dirname (const gchar *file_name); /* Get the codeset for the current locale */ /* gchar * g_get_codeset (void); */ -/* Wrapper / workalike for mkstemp() */ -int g_mkstemp (char *tmpl); - /* return the environment string for the variable. The returned memory * must not be freed. */ gchar* g_getenv (const gchar *variable); |