* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
-#include "glibconfig.h"
+
+/*
+ * Modified by the GLib Team and others 1997-1999. See the AUTHORS
+ * file for a list of people on the GLib Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GLib at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+/*
+ * MT safe for the unix part, FIXME: make the win32 part MT safe as well.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#include <sys/param.h>
#endif
-#ifdef NATIVE_WIN32
-# define STRICT /* Strict typing, please */
-# include <windows.h>
-# include <direct.h>
-# include <errno.h>
-# include <ctype.h>
-# ifdef _MSC_VER
-# include <io.h>
-# endif /* _MSC_VER */
-#endif /* NATIVE_WIN32 */
-
/* implement Glib's inline functions
*/
#define G_INLINE_FUNC extern
#include "glib.h"
#ifdef MAXPATHLEN
-#define G_PATH_LENGTH (MAXPATHLEN + 1)
+#define G_PATH_LENGTH MAXPATHLEN
#elif defined (PATH_MAX)
-#define G_PATH_LENGTH (PATH_MAX + 1)
-#else /* !MAXPATHLEN */
-#define G_PATH_LENGTH (2048 + 1)
-#endif /* !MAXPATHLEN && !PATH_MAX */
+#define G_PATH_LENGTH PATH_MAX
+#elif defined (_PC_PATH_MAX)
+#define G_PATH_LENGTH sysconf(_PC_PATH_MAX)
+#else
+#define G_PATH_LENGTH 2048
+#endif
+
+#ifdef G_OS_WIN32
+# define STRICT /* Strict typing, please */
+# include <windows.h>
+# include <ctype.h>
+# include <direct.h>
+# include <io.h>
+#endif /* G_OS_WIN32 */
const guint glib_major_version = GLIB_MAJOR_VERSION;
const guint glib_minor_version = GLIB_MINOR_VERSION;
const guint glib_interface_age = GLIB_INTERFACE_AGE;
const guint glib_binary_age = GLIB_BINARY_AGE;
-#if defined (NATIVE_WIN32) && defined (__LCC__)
-int __stdcall
-LibMain (void *hinstDll,
- unsigned long dwReason,
- void *reserved)
+#if !defined (HAVE_MEMMOVE) && !defined (HAVE_WORKING_BCOPY)
+void
+g_memmove (gpointer dest, gconstpointer src, gulong len)
{
- return 1;
+ gchar* destptr = dest;
+ const gchar* srcptr = src;
+ if (src + len < dest || dest + len < src)
+ {
+ bcopy (src, dest, len);
+ return;
+ }
+ else if (dest <= src)
+ {
+ while (len--)
+ *(destptr++) = *(srcptr++);
+ }
+ else
+ {
+ destptr += len;
+ srcptr += len;
+ while (len--)
+ *(--destptr) = *(--srcptr);
+ }
}
-#endif /* NATIVE_WIN32 && __LCC__ */
+#endif /* !HAVE_MEMMOVE && !HAVE_WORKING_BCOPY */
void
g_atexit (GVoidFunc func)
va_start (args, fmt);
retval = vsnprintf (str, n, fmt, args);
va_end (args);
-
+
+ if (retval < 0)
+ {
+ str[n-1] = '\0';
+ retval = strlen (str);
+ }
+
return retval;
#else /* !HAVE_VSNPRINTF */
gchar *printed;
retval = vsnprintf (str, n, fmt, args);
+ if (retval < 0)
+ {
+ str[n-1] = '\0';
+ retval = strlen (str);
+ }
+
return retval;
#else /* !HAVE_VSNPRINTF */
gchar *printed;
if (base)
return base + 1;
-#ifdef NATIVE_WIN32
+#ifdef G_OS_WIN32
if (isalpha (file_name[0]) && file_name[1] == ':')
return (gchar*) file_name + 2;
-#endif /* NATIVE_WIN32 */
+#endif /* G_OS_WIN32 */
return (gchar*) file_name;
}
if (file_name[0] == G_DIR_SEPARATOR)
return TRUE;
-#ifdef NATIVE_WIN32
+#ifdef G_OS_WIN32
if (isalpha (file_name[0]) && file_name[1] == ':' && file_name[2] == G_DIR_SEPARATOR)
return TRUE;
#endif
if (file_name[0] == G_DIR_SEPARATOR)
return file_name + 1;
-#ifdef NATIVE_WIN32
+#ifdef G_OS_WIN32
if (isalpha (file_name[0]) && file_name[1] == ':' && file_name[2] == G_DIR_SEPARATOR)
return file_name + 3;
#endif
gchar*
g_get_current_dir (void)
{
- gchar *buffer;
- gchar *dir;
-
- buffer = g_new (gchar, G_PATH_LENGTH);
- *buffer = 0;
+ gchar *buffer = NULL;
+ gchar *dir = NULL;
+ static gulong max_len = (G_PATH_LENGTH == -1) ? 2048 : G_PATH_LENGTH;
/* We don't use getcwd(3) on SUNOS, because, it does a popen("pwd")
* and, if that wasn't bad enough, hangs in doing so.
*/
#if defined (sun) && !defined (__SVR4)
+ buffer = g_new (gchar, max_len + 1);
+ *buffer = 0;
dir = getwd (buffer);
#else /* !sun */
- dir = getcwd (buffer, G_PATH_LENGTH - 1);
+ while (max_len < G_MAXULONG / 2)
+ {
+ buffer = g_new (gchar, max_len + 1);
+ *buffer = 0;
+ dir = getcwd (buffer, max_len);
+
+ if (dir || errno != ERANGE)
+ break;
+
+ g_free (buffer);
+ max_len *= 2;
+ }
#endif /* !sun */
if (!dir || !*buffer)
gchar*
g_getenv (const gchar *variable)
{
-#ifndef NATIVE_WIN32
+#ifndef G_OS_WIN32
g_return_val_if_fail (variable != NULL, NULL);
return getenv (variable);
#else
gchar *v;
- guint l, k;
- gchar *p;
+ guint k;
+ static gchar *p = NULL;
+ static gint l;
+ gchar dummy[2];
g_return_val_if_fail (variable != NULL, NULL);
* calling ExpandEnvironmentStrings.
*/
- v = g_strdup (v);
- l = 16;
- do
+ /* First check how much space we need */
+ k = ExpandEnvironmentStrings (v, dummy, 2);
+ /* Then allocate that much, and actualy do the expansion */
+ if (p == NULL)
{
- p = g_new (gchar, l);
-
- k = ExpandEnvironmentStrings (v, p, l);
- if (k > l)
- {
- g_free (p);
- l *= 2;
- }
+ p = g_malloc (k);
+ l = k;
}
- while (k > l);
-
- g_free (v);
-
+ else if (k > l)
+ {
+ p = g_realloc (p, k);
+ l = k;
+ }
+ ExpandEnvironmentStrings (v, p, k);
return p;
#endif
}
+
+G_LOCK_DEFINE_STATIC (g_utils_global);
+
static gchar *g_tmp_dir = NULL;
static gchar *g_user_name = NULL;
static gchar *g_real_name = NULL;
static gchar *g_home_dir = NULL;
+/* HOLDS: g_utils_global_lock */
static void
g_get_any_init (void)
{
if (!g_tmp_dir)
{
-#ifdef HAVE_PWD_H
- struct passwd *pw;
-#endif
-
g_tmp_dir = g_strdup (g_getenv ("TMPDIR"));
if (!g_tmp_dir)
g_tmp_dir = g_strdup (g_getenv ("TMP"));
if (!g_tmp_dir)
g_tmp_dir = g_strdup (g_getenv ("TEMP"));
+#ifdef P_tmpdir
if (!g_tmp_dir)
{
-#ifndef NATIVE_WIN32
- g_tmp_dir = g_strdup (G_DIR_SEPARATOR_S "tmp");
-#else /* !NATIVE_WIN32 */
- g_tmp_dir = g_strdup (".");
-#endif /* !NATIVE_WIN32 */
+ int k;
+ g_tmp_dir = g_strdup (P_tmpdir);
+ k = strlen (g_tmp_dir);
+ if (g_tmp_dir[k-1] == G_DIR_SEPARATOR)
+ g_tmp_dir[k-1] = '\0';
}
+#endif
- g_home_dir = g_strdup (g_getenv ("HOME"));
+ if (!g_tmp_dir)
+ {
+#ifndef G_OS_WIN32
+ g_tmp_dir = g_strdup ("/tmp");
+#else /* G_OS_WIN32 */
+ g_tmp_dir = g_strdup ("C:\\");
+#endif /* G_OS_WIN32 */
+ }
-#ifdef HAVE_PWD_H
- setpwent ();
- pw = getpwuid (getuid ());
- endpwent ();
+ if (!g_home_dir)
+ g_home_dir = g_strdup (g_getenv ("HOME"));
- if (pw)
+#ifdef G_OS_WIN32
+ if (!g_home_dir)
{
- g_user_name = g_strdup (pw->pw_name);
- g_real_name = g_strdup (pw->pw_gecos);
- if (!g_home_dir)
- g_home_dir = g_strdup (pw->pw_dir);
+ /* The official way to specify a home directory on NT is
+ * the HOMEDRIVE and HOMEPATH environment variables.
+ *
+ * This is inside #ifdef G_OS_WIN32 because with the cygwin dll,
+ * HOME should be a POSIX style pathname.
+ */
+
+ if (getenv ("HOMEDRIVE") != NULL && getenv ("HOMEPATH") != NULL)
+ {
+ gchar *homedrive, *homepath;
+
+ homedrive = g_strdup (g_getenv ("HOMEDRIVE"));
+ homepath = g_strdup (g_getenv ("HOMEPATH"));
+
+ g_home_dir = g_strconcat (homedrive, homepath, NULL);
+ g_free (homedrive);
+ g_free (homepath);
+ }
}
+#endif /* G_OS_WIN32 */
+
+#ifdef HAVE_PWD_H
+ {
+ struct passwd *pw = NULL;
+ gpointer buffer = NULL;
+
+# ifdef HAVE_GETPWUID_R
+ struct passwd pwd;
+# ifdef _SC_GETPW_R_SIZE_MAX
+ /* This reurns the maximum length */
+ guint bufsize = sysconf (_SC_GETPW_R_SIZE_MAX);
+# else /* _SC_GETPW_R_SIZE_MAX */
+ guint bufsize = 64;
+# endif /* _SC_GETPW_R_SIZE_MAX */
+ gint error;
+
+ do
+ {
+ g_free (buffer);
+ buffer = g_malloc (bufsize);
+ errno = 0;
+
+# ifdef HAVE_GETPWUID_R_POSIX
+ error = getpwuid_r (getuid (), &pwd, buffer, bufsize, &pw);
+ error = error < 0 ? errno : error;
+# else /* !HAVE_GETPWUID_R_POSIX */
+# ifdef _AIX
+ error = getpwuid_r (getuid (), &pwd, buffer, bufsize);
+ pw = error == 0 ? &pwd : NULL;
+# else /* !_AIX */
+ pw = getpwuid_r (getuid (), &pwd, buffer, bufsize);
+ error = pw ? 0 : errno;
+# endif /* !_AIX */
+# endif /* !HAVE_GETPWUID_R_POSIX */
+
+ if (!pw)
+ {
+ /* we bail out prematurely if the user id can't be found
+ * (should be pretty rare case actually), or if the buffer
+ * should be sufficiently big and lookups are still not
+ * successfull.
+ */
+ if (error == 0 || error == ENOENT)
+ {
+ g_warning ("getpwuid_r(): failed due to unknown user id (%lu)",
+ (gulong) getuid ());
+ break;
+ }
+ if (bufsize > 32 * 1024)
+ {
+ g_warning ("getpwuid_r(): failed due to: %s.",
+ g_strerror (error));
+ break;
+ }
+
+ bufsize *= 2;
+ }
+ }
+ while (!pw);
+# endif /* !HAVE_GETPWUID_R */
+
+ if (!pw)
+ {
+ setpwent ();
+ pw = getpwuid (getuid ());
+ endpwent ();
+ }
+ if (pw)
+ {
+ g_user_name = g_strdup (pw->pw_name);
+ g_real_name = g_strdup (pw->pw_gecos);
+ if (!g_home_dir)
+ g_home_dir = g_strdup (pw->pw_dir);
+ }
+ g_free (buffer);
+ }
+
#else /* !HAVE_PWD_H */
-# ifdef NATIVE_WIN32
+
+# ifdef G_OS_WIN32
{
guint len = 17;
+ gchar buffer[17];
- g_user_name = g_new (gchar, len);
-
- if (!GetUserName (g_user_name, &len))
+ if (GetUserName (buffer, &len))
{
- g_free (g_user_name);
- g_user_name = g_strdup ("somebody");
- g_real_name = g_strdup ("Unknown");
+ g_user_name = g_strdup (buffer);
+ g_real_name = g_strdup (buffer);
}
- else
- g_real_name = g_strdup (g_user_name);
- g_home_dir = NULL;
}
-# else /* !NATIVE_WIN32 */
- g_user_name = g_strdup ("somebody");
- g_real_name = g_strdup ("Unknown");
- g_home_dir = NULL;
-# endif /* !NATIVE_WIN32 */
+# endif /* G_OS_WIN32 */
+
#endif /* !HAVE_PWD_H */
+
+#ifdef __EMX__
+ /* change '\\' in %HOME% to '/' */
+ g_strdelimit (g_home_dir, "\\",'/');
+#endif
+ if (!g_user_name)
+ g_user_name = g_strdup ("somebody");
+ if (!g_real_name)
+ g_real_name = g_strdup ("Unknown");
+ else
+ {
+ gchar *p;
+
+ for (p = g_real_name; *p; p++)
+ if (*p == ',')
+ {
+ *p = 0;
+ p = g_strdup (g_real_name);
+ g_free (g_real_name);
+ g_real_name = p;
+ break;
+ }
+ }
}
-
- if (!g_home_dir)
- g_home_dir = g_strdup (g_tmp_dir);
}
gchar*
g_get_user_name (void)
{
+ G_LOCK (g_utils_global);
if (!g_tmp_dir)
g_get_any_init ();
+ G_UNLOCK (g_utils_global);
return g_user_name;
}
gchar*
g_get_real_name (void)
{
+ G_LOCK (g_utils_global);
if (!g_tmp_dir)
g_get_any_init ();
-
+ G_UNLOCK (g_utils_global);
+
return g_real_name;
}
+/* Return the home directory of the user. If there is a HOME
+ * environment variable, its value is returned, otherwise use some
+ * system-dependent way of finding it out. If no home directory can be
+ * deduced, return NULL.
+ */
+
gchar*
g_get_home_dir (void)
{
+ G_LOCK (g_utils_global);
if (!g_tmp_dir)
g_get_any_init ();
+ G_UNLOCK (g_utils_global);
return g_home_dir;
}
+/* Return a directory to be used to store temporary files. This is the
+ * value of the TMPDIR, TMP or TEMP environment variables (they are
+ * checked in that order). If none of those exist, use P_tmpdir from
+ * stdio.h. If that isn't defined, return "/tmp" on POSIXly systems,
+ * and C:\ on Windows.
+ */
+
gchar*
g_get_tmp_dir (void)
{
+ G_LOCK (g_utils_global);
if (!g_tmp_dir)
g_get_any_init ();
+ G_UNLOCK (g_utils_global);
return g_tmp_dir;
}
gchar*
g_get_prgname (void)
{
- return g_prgname;
+ gchar* retval;
+
+ G_LOCK (g_utils_global);
+ retval = g_prgname;
+ G_UNLOCK (g_utils_global);
+
+ return retval;
}
void
g_set_prgname (const gchar *prgname)
{
- gchar *c = g_prgname;
-
+ gchar *c;
+
+ G_LOCK (g_utils_global);
+ c = g_prgname;
g_prgname = g_strdup (prgname);
g_free (c);
+ G_UNLOCK (g_utils_global);
}
guint
g_direct_equal (gconstpointer v1,
gconstpointer v2)
{
- return GPOINTER_TO_UINT (v1) == GPOINTER_TO_UINT (v2);
+ return v1 == v2;
}
gint
{
return *(const gint*) v;
}
-
-GIOChannel*
-g_iochannel_new (gint fd)
-{
- GIOChannel *channel = g_new0 (GIOChannel, 1);
-
- channel->fd = fd;
-
-#ifdef NATIVE_WIN32
- channel->peer = 0;
- channel->peer_fd = 0;
- channel->offset = 0;
- channel->peer_offset = 0;
-#endif /* NATIVE_WIN32 */
-
- return channel;
-}
-
-void
-g_iochannel_free (GIOChannel *channel)
-{
- g_return_if_fail (channel != NULL);
-
- g_free (channel);
-}
-
-void
-g_iochannel_close_and_free (GIOChannel *channel)
-{
- g_return_if_fail (channel != NULL);
-
- close (channel->fd);
-
- g_iochannel_free (channel);
-}
-
-#undef g_iochannel_wakeup_peer
-
-void
-g_iochannel_wakeup_peer (GIOChannel *channel)
-{
-#ifdef NATIVE_WIN32
- static guint message = 0;
-#endif
-
- g_return_if_fail (channel != NULL);
-
-#ifdef NATIVE_WIN32
- if (message == 0)
- message = RegisterWindowMessage ("gdk-pipe-readable");
-
-# if 0
- g_print ("g_iochannel_wakeup_peer: calling PostThreadMessage (%#x, %d, %d, %d)\n",
- channel->peer, message, channel->peer_fd, channel->offset);
-# endif
- PostThreadMessage (channel->peer, message,
- channel->peer_fd, channel->offset);
-#endif /* NATIVE_WIN32 */
-}
-
-
-#ifdef NATIVE_WIN32
-#ifdef _MSC_VER
-
-int
-gwin_ftruncate (gint fd,
- guint size)
-{
- HANDLE hfile;
- guint curpos;
-
- g_return_val_if_fail (fd >= 0, -1);
-
- hfile = (HANDLE) _get_osfhandle (fd);
- curpos = SetFilePointer (hfile, 0, NULL, FILE_CURRENT);
- if (curpos == 0xFFFFFFFF
- || SetFilePointer (hfile, size, NULL, FILE_BEGIN) == 0xFFFFFFFF
- || !SetEndOfFile (hfile))
- {
- gint error = GetLastError ();
-
- switch (error)
- {
- case ERROR_INVALID_HANDLE:
- errno = EBADF;
- break;
- default:
- errno = EIO;
- break;
- }
-
- return -1;
- }
-
- return 0;
-}
-
-DIR*
-gwin_opendir (const char *dirname)
-{
- DIR *result;
- gchar *mask;
- guint k;
-
- g_return_val_if_fail (dirname != NULL, NULL);
-
- result = g_new0 (DIR, 1);
- result->find_file_data = g_new0 (WIN32_FIND_DATA, 1);
- result->dir_name = g_strdup (dirname);
-
- k = strlen (result->dir_name);
- if (k && result->dir_name[k - 1] == '\\')
- {
- result->dir_name[k - 1] = '\0';
- k--;
- }
- mask = g_strdup_printf ("%s\\*", result->dir_name);
-
- result->find_file_handle = (guint) FindFirstFile (mask,
- (LPWIN32_FIND_DATA) result->find_file_data);
- g_free (mask);
-
- if (result->find_file_handle == (guint) INVALID_HANDLE_VALUE)
- {
- int error = GetLastError ();
-
- g_free (result->dir_name);
- g_free (result->find_file_data);
- g_free (result);
- switch (error)
- {
- default:
- errno = EIO;
- return NULL;
- }
- }
- result->just_opened = TRUE;
-
- return result;
-}
-
-struct dirent*
-gwin_readdir (DIR *dir)
-{
- static struct dirent result;
-
- g_return_val_if_fail (dir != NULL, NULL);
-
- if (dir->just_opened)
- dir->just_opened = FALSE;
- else
- {
- if (!FindNextFile ((HANDLE) dir->find_file_handle,
- (LPWIN32_FIND_DATA) dir->find_file_data))
- {
- int error = GetLastError ();
-
- switch (error)
- {
- case ERROR_NO_MORE_FILES:
- return NULL;
- default:
- errno = EIO;
- return NULL;
- }
- }
- }
- strcpy (result.d_name, g_basename (((LPWIN32_FIND_DATA) dir->find_file_data)->cFileName));
-
- return &result;
-}
-
-void
-gwin_rewinddir (DIR *dir)
-{
- gchar *mask;
-
- g_return_if_fail (dir != NULL);
-
- if (!FindClose ((HANDLE) dir->find_file_handle))
- g_warning ("gwin_rewinddir(): FindClose() failed\n");
-
- mask = g_strdup_printf ("%s\\*", dir->dir_name);
- dir->find_file_handle = (guint) FindFirstFile (mask,
- (LPWIN32_FIND_DATA) dir->find_file_data);
- g_free (mask);
-
- if (dir->find_file_handle == (guint) INVALID_HANDLE_VALUE)
- {
- int error = GetLastError ();
-
- switch (error)
- {
- default:
- errno = EIO;
- return;
- }
- }
- dir->just_opened = TRUE;
-}
-
-gint
-gwin_closedir (DIR *dir)
-{
- g_return_val_if_fail (dir != NULL, -1);
-
- if (!FindClose ((HANDLE) dir->find_file_handle))
- {
- int error = GetLastError ();
-
- switch (error)
- {
- default:
- errno = EIO; return -1;
- }
- }
-
- g_free (dir->dir_name);
- g_free (dir->find_file_data);
- g_free (dir);
-
- return 0;
-}
-
-#endif /* _MSC_VER */
-
-#endif /* NATIVE_WIN32 */
projects / platform / upstream / glib.git / blobdiff