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Check for mkstemp.

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2000-10-30  Tor Lillqvist  <tml@iki.fi>

	* configure.in: Check for mkstemp.

	* gutils.c (g_mkstemp): New function. If HAVE_MKSTEMP, just call
	it, otherwise use code lifted from glibc.

	* gutils.h: Declare it.

	* glib.def: Here, too.
This commit is contained in:
Tor Lillqvist
2000-10-30 21:55:21 +00:00
committed by Tor Lillqvist
parent 3de6638d23
commit 6acee58bdf
17 changed files with 259 additions and 1 deletions
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11
ChangeLog
View File

@@ -1,3 +1,14 @@
2000-10-30 Tor Lillqvist <tml@iki.fi>
* configure.in: Check for mkstemp.
* gutils.c (g_mkstemp): New function. If HAVE_MKSTEMP, just call
it, otherwise use code lifted from glibc.
* gutils.h: Declare it.
* glib.def: Here, too.
2000-10-30 Sebastian Wilhelmi <wilhelmi@ira.uka.de>
* gcache.h, gcache.c, ghash.h, ghash.c, grel.c, grel.h, gtypes.h:

11
ChangeLog.pre-2-0
View File

@@ -1,3 +1,14 @@
2000-10-30 Tor Lillqvist <tml@iki.fi>
* configure.in: Check for mkstemp.
* gutils.c (g_mkstemp): New function. If HAVE_MKSTEMP, just call
it, otherwise use code lifted from glibc.
* gutils.h: Declare it.
* glib.def: Here, too.
2000-10-30 Sebastian Wilhelmi <wilhelmi@ira.uka.de>
* gcache.h, gcache.c, ghash.h, ghash.c, grel.c, grel.h, gtypes.h:

11
ChangeLog.pre-2-10
View File

@@ -1,3 +1,14 @@
2000-10-30 Tor Lillqvist <tml@iki.fi>
* configure.in: Check for mkstemp.
* gutils.c (g_mkstemp): New function. If HAVE_MKSTEMP, just call
it, otherwise use code lifted from glibc.
* gutils.h: Declare it.
* glib.def: Here, too.
2000-10-30 Sebastian Wilhelmi <wilhelmi@ira.uka.de>
* gcache.h, gcache.c, ghash.h, ghash.c, grel.c, grel.h, gtypes.h:

11
ChangeLog.pre-2-12
View File

@@ -1,3 +1,14 @@
2000-10-30 Tor Lillqvist <tml@iki.fi>
* configure.in: Check for mkstemp.
* gutils.c (g_mkstemp): New function. If HAVE_MKSTEMP, just call
it, otherwise use code lifted from glibc.
* gutils.h: Declare it.
* glib.def: Here, too.
2000-10-30 Sebastian Wilhelmi <wilhelmi@ira.uka.de>
* gcache.h, gcache.c, ghash.h, ghash.c, grel.c, grel.h, gtypes.h:

11
ChangeLog.pre-2-2
View File

@@ -1,3 +1,14 @@
2000-10-30 Tor Lillqvist <tml@iki.fi>
* configure.in: Check for mkstemp.
* gutils.c (g_mkstemp): New function. If HAVE_MKSTEMP, just call
it, otherwise use code lifted from glibc.
* gutils.h: Declare it.
* glib.def: Here, too.
2000-10-30 Sebastian Wilhelmi <wilhelmi@ira.uka.de>
* gcache.h, gcache.c, ghash.h, ghash.c, grel.c, grel.h, gtypes.h:

11
ChangeLog.pre-2-4
View File

@@ -1,3 +1,14 @@
2000-10-30 Tor Lillqvist <tml@iki.fi>
* configure.in: Check for mkstemp.
* gutils.c (g_mkstemp): New function. If HAVE_MKSTEMP, just call
it, otherwise use code lifted from glibc.
* gutils.h: Declare it.
* glib.def: Here, too.
2000-10-30 Sebastian Wilhelmi <wilhelmi@ira.uka.de>
* gcache.h, gcache.c, ghash.h, ghash.c, grel.c, grel.h, gtypes.h:

11
ChangeLog.pre-2-6
View File

@@ -1,3 +1,14 @@
2000-10-30 Tor Lillqvist <tml@iki.fi>
* configure.in: Check for mkstemp.
* gutils.c (g_mkstemp): New function. If HAVE_MKSTEMP, just call
it, otherwise use code lifted from glibc.
* gutils.h: Declare it.
* glib.def: Here, too.
2000-10-30 Sebastian Wilhelmi <wilhelmi@ira.uka.de>
* gcache.h, gcache.c, ghash.h, ghash.c, grel.c, grel.h, gtypes.h:

11
ChangeLog.pre-2-8
View File

@@ -1,3 +1,14 @@
2000-10-30 Tor Lillqvist <tml@iki.fi>
* configure.in: Check for mkstemp.
* gutils.c (g_mkstemp): New function. If HAVE_MKSTEMP, just call
it, otherwise use code lifted from glibc.
* gutils.h: Declare it.
* glib.def: Here, too.
2000-10-30 Sebastian Wilhelmi <wilhelmi@ira.uka.de>
* gcache.h, gcache.c, ghash.h, ghash.c, grel.c, grel.h, gtypes.h:

2
configure.in
View File

@@ -351,7 +351,7 @@ GLIB_SIZEOF([$size_includes], ptrdiff_t, ptrdiff_t)
GLIB_SIZEOF([$size_includes], intmax_t, intmax_t)
# Check for some functions
AC_CHECK_FUNCS(lstat strerror strsignal memmove vsnprintf strcasecmp strncasecmp poll getcwd)
AC_CHECK_FUNCS(lstat strerror strsignal memmove mkstemp vsnprintf strcasecmp strncasecmp poll getcwd)
# Check if bcopy can be used for overlapping copies, if memmove isn't found.
# The check is borrowed from the PERL Configure script.

1
glib.def
View File

@@ -239,6 +239,7 @@ EXPORTS
g_mem_profile
g_memdup
g_messages_init
g_mkstemp
g_mutex_init
g_node_child_index
g_node_child_position

1
glib/glib.def
View File

@@ -239,6 +239,7 @@ EXPORTS
g_mem_profile
g_memdup
g_messages_init
g_mkstemp
g_mutex_init
g_node_child_index
g_node_child_position

80
glib/gutils.c
View File

@@ -40,6 +40,7 @@
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#ifdef HAVE_PWD_H
#include <pwd.h>
#endif
@@ -76,6 +77,10 @@
#include <langinfo.h>
#endif
#ifndef O_BINARY
#define O_BINARY 0
#endif
const guint glib_major_version = GLIB_MAJOR_VERSION;
const guint glib_minor_version = GLIB_MINOR_VERSION;
const guint glib_micro_version = GLIB_MICRO_VERSION;
@@ -964,3 +969,78 @@ 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
}

3
glib/gutils.h
View File

@@ -161,6 +161,9 @@ 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);

1
glib/makefile.msc.in
View File

@@ -96,6 +96,7 @@ glib-$(GLIB_VER).dll : $(glib_OBJECTS) glib.def
gspawn-win32-helper.exe : gspawn-win32.c glib-$(GLIB_VER).dll
$(CC) $(CFLAGS) -Fe$@ -DGSPAWN_HELPER -DG_LOG_DOMAIN=\"gspawn-win32-helper\" gspawn-win32.c glib-$(GLIB_VER).lib $(LDFLAGS) /subsystem:windows user32.lib
@erase gspawn-win32.obj
################ subdirectories

80
gutils.c
View File

@@ -40,6 +40,7 @@
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#ifdef HAVE_PWD_H
#include <pwd.h>
#endif
@@ -76,6 +77,10 @@
#include <langinfo.h>
#endif
#ifndef O_BINARY
#define O_BINARY 0
#endif
const guint glib_major_version = GLIB_MAJOR_VERSION;
const guint glib_minor_version = GLIB_MINOR_VERSION;
const guint glib_micro_version = GLIB_MICRO_VERSION;
@@ -964,3 +969,78 @@ 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
}

3
gutils.h
View File

@@ -161,6 +161,9 @@ 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);

1
makefile.msc.in
View File

@@ -96,6 +96,7 @@ glib-$(GLIB_VER).dll : $(glib_OBJECTS) glib.def
gspawn-win32-helper.exe : gspawn-win32.c glib-$(GLIB_VER).dll
$(CC) $(CFLAGS) -Fe$@ -DGSPAWN_HELPER -DG_LOG_DOMAIN=\"gspawn-win32-helper\" gspawn-win32.c glib-$(GLIB_VER).lib $(LDFLAGS) /subsystem:windows user32.lib
@erase gspawn-win32.obj
################ subdirectories