* MT safe for the unix part, FIXME: make the win32 part MT safe as well.
*/
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
+#include "config.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
+#include <locale.h>
#include <string.h>
#include <errno.h>
#ifdef HAVE_PWD_H
#include <sys/param.h>
#endif
-/* implement Glib's inline functions
+/* implement gutils's inline functions
*/
-#define G_INLINE_FUNC extern
-#define G_CAN_INLINE 1
+#define G_IMPLEMENT_INLINES 1
+#define __G_UTILS_C__
+#include "galias.h"
#include "glib.h"
+#include "gprintfint.h"
#ifdef MAXPATHLEN
#define G_PATH_LENGTH MAXPATHLEN
#define G_PATH_LENGTH 2048
#endif
-#ifdef G_OS_WIN32
-# define STRICT /* Strict typing, please */
+#ifdef G_PLATFORM_WIN32
+# define STRICT /* Strict typing, please */
# include <windows.h>
-# include <ctype.h>
+# undef STRICT
+# include <lmcons.h> /* For UNLEN */
+#endif /* G_PLATFORM_WIN32 */
+
+#ifdef G_OS_WIN32
# include <direct.h>
-# include <io.h>
-#endif /* G_OS_WIN32 */
+# include <shlobj.h>
+ /* older SDK (e.g. msvc 5.0) does not have these*/
+# ifndef CSIDL_INTERNET_CACHE
+# define CSIDL_INTERNET_CACHE 32
+# endif
+# ifndef CSIDL_COMMON_APPDATA
+# define CSIDL_COMMON_APPDATA 35
+# endif
+# ifndef CSIDL_COMMON_DOCUMENTS
+# define CSIDL_COMMON_DOCUMENTS 46
+# endif
+# ifndef CSIDL_PROFILE
+# define CSIDL_PROFILE 40
+# endif
+#endif
#ifdef HAVE_CODESET
#include <langinfo.h>
#endif
+#ifdef HAVE_BIND_TEXTDOMAIN_CODESET
+#include <libintl.h>
+#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;
const guint glib_interface_age = GLIB_INTERFACE_AGE;
const guint glib_binary_age = GLIB_BINARY_AGE;
+/**
+ * glib_check_version:
+ * @required_major: the required major version.
+ * @required_minor: the required major version.
+ * @required_micro: the required major version.
+ *
+ * Checks that the GLib library in use is compatible with the
+ * given version. Generally you would pass in the constants
+ * #GLIB_MAJOR_VERSION, #GLIB_MINOR_VERSION, #GLIB_MICRO_VERSION
+ * as the three arguments to this function; that produces
+ * a check that the library in use is compatible with
+ * the version of GLib the application or module was compiled
+ * against.
+ *
+ * Compatibility is defined by two things: first the version
+ * of the running library is newer than the version
+ * @required_major.required_minor.@required_micro. Second
+ * the running library must be binary compatible with the
+ * version @required_major.required_minor.@required_micro
+ * (same major version.)
+ *
+ * Return value: %NULL if the GLib library is compatible with the
+ * given version, or a string describing the version mismatch.
+ * The returned string is owned by GLib and must not be modified
+ * or freed.
+ *
+ * Since: 2.6
+ **/
+const gchar *
+glib_check_version (guint required_major,
+ guint required_minor,
+ guint required_micro)
+{
+ gint glib_effective_micro = 100 * GLIB_MINOR_VERSION + GLIB_MICRO_VERSION;
+ gint required_effective_micro = 100 * required_minor + required_micro;
+
+ if (required_major > GLIB_MAJOR_VERSION)
+ return "GLib version too old (major mismatch)";
+ if (required_major < GLIB_MAJOR_VERSION)
+ return "GLib version too new (major mismatch)";
+ if (required_effective_micro < glib_effective_micro - GLIB_BINARY_AGE)
+ return "GLib version too new (micro mismatch)";
+ if (required_effective_micro > glib_effective_micro)
+ return "GLib version too old (micro mismatch)";
+ return NULL;
+}
+
#if !defined (HAVE_MEMMOVE) && !defined (HAVE_WORKING_BCOPY)
void
g_memmove (gpointer dest, gconstpointer src, gulong len)
g_atexit (GVoidFunc func)
{
gint result;
- gchar *error = NULL;
+ const gchar *error = NULL;
/* keep this in sync with glib.h */
g_error ("Could not register atexit() function: %s", error);
}
-gint
-g_snprintf (gchar *str,
- gulong n,
- gchar const *fmt,
- ...)
+/* Based on execvp() from GNU Libc.
+ * Some of this code is cut-and-pasted into gspawn.c
+ */
+
+static gchar*
+my_strchrnul (const gchar *str, gchar c)
{
-#ifdef HAVE_VSNPRINTF
- va_list args;
- gint retval;
-
- g_return_val_if_fail (str != NULL, 0);
- g_return_val_if_fail (n > 0, 0);
- g_return_val_if_fail (fmt != NULL, 0);
+ gchar *p = (gchar*)str;
+ while (*p && (*p != c))
+ ++p;
+
+ return p;
+}
+
+#ifdef G_OS_WIN32
+
+static gchar *inner_find_program_in_path (const gchar *program);
- va_start (args, fmt);
- retval = vsnprintf (str, n, fmt, args);
- va_end (args);
+gchar*
+g_find_program_in_path (const gchar *program)
+{
+ const gchar *last_dot = strrchr (program, '.');
- if (retval < 0)
+ if (last_dot == NULL || strchr (last_dot, '\\') != NULL)
{
- str[n-1] = '\0';
- retval = strlen (str);
- }
+ const gint program_length = strlen (program);
+ const gchar *pathext = getenv ("PATHEXT");
+ const gchar *p;
+ gchar *decorated_program;
+ gchar *retval;
- return retval;
-#else /* !HAVE_VSNPRINTF */
- gchar *printed;
- va_list args;
-
- g_return_val_if_fail (str != NULL, 0);
- g_return_val_if_fail (n > 0, 0);
- g_return_val_if_fail (fmt != NULL, 0);
+ if (pathext == NULL)
+ pathext = ".com;.exe;.bat";
- va_start (args, fmt);
- printed = g_strdup_vprintf (fmt, args);
- va_end (args);
-
- strncpy (str, printed, n);
- str[n-1] = '\0';
+ p = pathext;
+ do
+ {
+ pathext = p;
+ p = my_strchrnul (pathext, ';');
- g_free (printed);
-
- return strlen (str);
-#endif /* !HAVE_VSNPRINTF */
+ decorated_program = g_malloc (program_length + (p-pathext) + 1);
+ memcpy (decorated_program, program, program_length);
+ memcpy (decorated_program+program_length, pathext, p-pathext);
+ decorated_program [program_length + (p-pathext)] = '\0';
+
+ retval = inner_find_program_in_path (decorated_program);
+ g_free (decorated_program);
+
+ if (retval != NULL)
+ return retval;
+ } while (*p++ != '\0');
+ return NULL;
+ }
+ else
+ return inner_find_program_in_path (program);
}
-gint
-g_vsnprintf (gchar *str,
- gulong n,
- gchar const *fmt,
- va_list args)
+#define g_find_program_in_path inner_find_program_in_path
+#endif
+
+/**
+ * g_find_program_in_path:
+ * @program: a program name
+ *
+ * Locates the first executable named @program in the user's path, in the
+ * same way that execvp() would locate it. Returns an allocated string
+ * with the absolute path name, or NULL if the program is not found in
+ * the path. If @program is already an absolute path, returns a copy of
+ * @program if @program exists and is executable, and NULL otherwise.
+ *
+ * On Windows, if @program does not have a file type suffix, tries to
+ * append the suffixes in the PATHEXT environment variable (if that
+ * doesn't exists, the suffixes .com, .exe, and .bat) in turn, and
+ * then look for the resulting file name in the same way as
+ * CreateProcess() would. This means first in the directory where the
+ * program was loaded from, then in the current directory, then in the
+ * Windows 32-bit system directory, then in the Windows directory, and
+ * finally in the directories in the PATH environment variable. If
+ * the program is found, the return value contains the full name
+ * including the type suffix.
+ *
+ * Return value: absolute path, or NULL
+ **/
+#ifdef G_OS_WIN32
+static
+#endif
+gchar*
+g_find_program_in_path (const gchar *program)
{
-#ifdef HAVE_VSNPRINTF
- gint retval;
-
- g_return_val_if_fail (str != NULL, 0);
- g_return_val_if_fail (n > 0, 0);
- g_return_val_if_fail (fmt != NULL, 0);
+ const gchar *path, *p;
+ gchar *name, *freeme;
+#ifdef G_OS_WIN32
+ gchar *path_tmp;
+#endif
+ size_t len;
+ size_t pathlen;
- retval = vsnprintf (str, n, fmt, args);
+ g_return_val_if_fail (program != NULL, NULL);
+
+ /* If it is an absolute path, or a relative path including subdirectories,
+ * don't look in PATH.
+ */
+ if (g_path_is_absolute (program)
+ || strchr (program, G_DIR_SEPARATOR) != NULL
+#ifdef G_OS_WIN32
+ || strchr (program, '/') != NULL
+#endif
+ )
+ {
+ if (g_file_test (program, G_FILE_TEST_IS_EXECUTABLE))
+ return g_strdup (program);
+ else
+ return NULL;
+ }
- if (retval < 0)
+ path = g_getenv ("PATH");
+#ifdef G_OS_UNIX
+ if (path == NULL)
{
- str[n-1] = '\0';
- retval = strlen (str);
+ /* There is no `PATH' in the environment. The default
+ * search path in GNU libc is the current directory followed by
+ * the path `confstr' returns for `_CS_PATH'.
+ */
+
+ /* In GLib we put . last, for security, and don't use the
+ * unportable confstr(); UNIX98 does not actually specify
+ * what to search if PATH is unset. POSIX may, dunno.
+ */
+
+ path = "/bin:/usr/bin:.";
}
-
- return retval;
-#else /* !HAVE_VSNPRINTF */
- gchar *printed;
+#else
+ {
+ gchar *tmp;
+ gchar moddir[MAXPATHLEN], sysdir[MAXPATHLEN], windir[MAXPATHLEN];
+
+ GetModuleFileName (NULL, moddir, sizeof (moddir));
+ tmp = g_path_get_dirname (moddir);
+ GetSystemDirectory (sysdir, sizeof (sysdir));
+ GetWindowsDirectory (windir, sizeof (windir));
+ path_tmp = g_strconcat (tmp, ";.;", sysdir, ";", windir,
+ (path != NULL ? ";" : NULL),
+ (path != NULL ? path : NULL),
+ NULL);
+ g_free (tmp);
+ path = path_tmp;
+ }
+#endif
- g_return_val_if_fail (str != NULL, 0);
- g_return_val_if_fail (n > 0, 0);
- g_return_val_if_fail (fmt != NULL, 0);
+ len = strlen (program) + 1;
+ pathlen = strlen (path);
+ freeme = name = g_malloc (pathlen + len + 1);
+
+ /* Copy the file name at the top, including '\0' */
+ memcpy (name + pathlen + 1, program, len);
+ name = name + pathlen;
+ /* And add the slash before the filename */
+ *name = G_DIR_SEPARATOR;
+
+ p = path;
+ do
+ {
+ char *startp;
+
+ path = p;
+ p = my_strchrnul (path, G_SEARCHPATH_SEPARATOR);
- printed = g_strdup_vprintf (fmt, args);
- strncpy (str, printed, n);
- str[n-1] = '\0';
+ if (p == path)
+ /* Two adjacent colons, or a colon at the beginning or the end
+ * of `PATH' means to search the current directory.
+ */
+ startp = name + 1;
+ else
+ startp = memcpy (name - (p - path), path, p - path);
- g_free (printed);
+ if (g_file_test (startp, G_FILE_TEST_IS_EXECUTABLE))
+ {
+ gchar *ret;
+ ret = g_strdup (startp);
+ g_free (freeme);
+#ifdef G_OS_WIN32
+ g_free (path_tmp);
+#endif
+ return ret;
+ }
+ }
+ while (*p++ != '\0');
- return strlen (str);
-#endif /* !HAVE_VSNPRINTF */
+ g_free (freeme);
+#ifdef G_OS_WIN32
+ g_free (path_tmp);
+#endif
+
+ return NULL;
}
guint
-g_parse_debug_string (const gchar *string,
- GDebugKey *keys,
- guint nkeys)
+g_parse_debug_string (const gchar *string,
+ const GDebugKey *keys,
+ guint nkeys)
{
guint i;
guint result = 0;
g_return_val_if_fail (string != NULL, 0);
- if (!g_strcasecmp (string, "all"))
+ if (!g_ascii_strcasecmp (string, "all"))
{
for (i=0; i<nkeys; i++)
result |= keys[i].value;
}
else
{
- gchar *str = g_strdup (string);
- gchar *p = str;
- gchar *q;
+ const gchar *p = string;
+ const gchar *q;
gboolean done = FALSE;
while (*p && !done)
done = TRUE;
}
- *q = 0;
-
for (i=0; i<nkeys; i++)
- if (!g_strcasecmp(keys[i].key, p))
+ if (g_ascii_strncasecmp (keys[i].key, p, q - p) == 0 &&
+ keys[i].key[q - p] == '\0')
result |= keys[i].value;
- p = q+1;
+ p = q + 1;
}
-
- g_free (str);
}
return result;
}
-gchar*
+/**
+ * g_basename:
+ * @file_name: the name of the file.
+ *
+ * Gets the name of the file without any leading directory components.
+ * It returns a pointer into the given file name string.
+ *
+ * Return value: the name of the file without any leading directory components.
+ *
+ * Deprecated: Use g_path_get_basename() instead, but notice that
+ * g_path_get_basename() allocates new memory for the returned string, unlike
+ * this function which returns a pointer into the argument.
+ **/
+G_CONST_RETURN gchar*
g_basename (const gchar *file_name)
{
register gchar *base;
-#ifdef G_ENABLE_DEBUG
- static gboolean first_call = TRUE;
-
- if (first_call)
- {
- g_warning("g_basename is deprecated. Use g_path_get_basename instead.");
- g_warning("Watch out! You have to g_free the string returned by "
- "g_path_get_basename.");
- first_call = FALSE;
- }
-#endif /* G_ENABLE_DEBUG */
g_return_val_if_fail (file_name != NULL, NULL);
base = strrchr (file_name, G_DIR_SEPARATOR);
+
+#ifdef G_OS_WIN32
+ {
+ gchar *q = strrchr (file_name, '/');
+ if (base == NULL || (q != NULL && q > base))
+ base = q;
+ }
+#endif
+
if (base)
return base + 1;
#ifdef G_OS_WIN32
- if (isalpha (file_name[0]) && file_name[1] == ':')
+ if (g_ascii_isalpha (file_name[0]) && file_name[1] == ':')
return (gchar*) file_name + 2;
#endif /* G_OS_WIN32 */
return (gchar*) file_name;
}
+/**
+ * g_path_get_basename:
+ * @file_name: the name of the file.
+ *
+ * Gets the last component of the filename. If @file_name ends with a
+ * directory separator it gets the component before the last slash. If
+ * @file_name consists only of directory separators (and on Windows,
+ * possibly a drive letter), a single separator is returned. If
+ * @file_name is empty, it gets ".".
+ *
+ * Return value: a newly allocated string containing the last component of
+ * the filename.
+ */
gchar*
g_path_get_basename (const gchar *file_name)
{
- register gint base;
- register gint last_nonslash;
- guint len;
+ register gssize base;
+ register gssize last_nonslash;
+ gsize len;
gchar *retval;
g_return_val_if_fail (file_name != NULL, NULL);
-
+
if (file_name[0] == '\0')
/* empty string */
return g_strdup (".");
-
+
last_nonslash = strlen (file_name) - 1;
- while (last_nonslash >= 0 && file_name [last_nonslash] == G_DIR_SEPARATOR)
+ while (last_nonslash >= 0 && G_IS_DIR_SEPARATOR (file_name [last_nonslash]))
last_nonslash--;
if (last_nonslash == -1)
return g_strdup (G_DIR_SEPARATOR_S);
#ifdef G_OS_WIN32
- if (last_nonslash == 1 && isalpha (file_name[0]) && file_name[1] == ':')
+ if (last_nonslash == 1 && g_ascii_isalpha (file_name[0]) && file_name[1] == ':')
/* string only containing slashes and a drive */
return g_strdup (G_DIR_SEPARATOR_S);
#endif /* G_OS_WIN32 */
base = last_nonslash;
- while (base >=0 && file_name [base] != G_DIR_SEPARATOR)
+ while (base >=0 && !G_IS_DIR_SEPARATOR (file_name [base]))
base--;
#ifdef G_OS_WIN32
- if (base == -1 && isalpha (file_name[0]) && file_name[1] == ':')
+ if (base == -1 && g_ascii_isalpha (file_name[0]) && file_name[1] == ':')
base = 1;
#endif /* G_OS_WIN32 */
{
g_return_val_if_fail (file_name != NULL, FALSE);
- if (file_name[0] == G_DIR_SEPARATOR)
+ if (G_IS_DIR_SEPARATOR (file_name[0]))
return TRUE;
#ifdef G_OS_WIN32
- if (isalpha (file_name[0]) && file_name[1] == ':' && file_name[2] == G_DIR_SEPARATOR)
+ /* Recognize drive letter on native Windows */
+ if (g_ascii_isalpha (file_name[0]) && file_name[1] == ':' && G_IS_DIR_SEPARATOR (file_name[2]))
return TRUE;
-#endif
+#endif /* G_OS_WIN32 */
return FALSE;
}
-gchar*
-g_path_skip_root (gchar *file_name)
+G_CONST_RETURN gchar*
+g_path_skip_root (const gchar *file_name)
{
g_return_val_if_fail (file_name != NULL, NULL);
- if (file_name[0] == G_DIR_SEPARATOR)
- return file_name + 1;
+#ifdef G_PLATFORM_WIN32
+ /* Skip \\server\share or //server/share */
+ if (G_IS_DIR_SEPARATOR (file_name[0]) &&
+ G_IS_DIR_SEPARATOR (file_name[1]) &&
+ file_name[2])
+ {
+ gchar *p;
+
+ p = strchr (file_name + 2, G_DIR_SEPARATOR);
+#ifdef G_OS_WIN32
+ {
+ gchar *q = strchr (file_name + 2, '/');
+ if (p == NULL || (q != NULL && q < p))
+ p = q;
+ }
+#endif
+ if (p &&
+ p > file_name + 2 &&
+ p[1])
+ {
+ file_name = p + 1;
+
+ while (file_name[0] && !G_IS_DIR_SEPARATOR (file_name[0]))
+ file_name++;
+
+ /* Possibly skip a backslash after the share name */
+ if (G_IS_DIR_SEPARATOR (file_name[0]))
+ file_name++;
+
+ return (gchar *)file_name;
+ }
+ }
+#endif
+
+ /* Skip initial slashes */
+ if (G_IS_DIR_SEPARATOR (file_name[0]))
+ {
+ while (G_IS_DIR_SEPARATOR (file_name[0]))
+ file_name++;
+ return (gchar *)file_name;
+ }
#ifdef G_OS_WIN32
- if (isalpha (file_name[0]) && file_name[1] == ':' && file_name[2] == G_DIR_SEPARATOR)
- return file_name + 3;
+ /* Skip X:\ */
+ if (g_ascii_isalpha (file_name[0]) && file_name[1] == ':' && G_IS_DIR_SEPARATOR (file_name[2]))
+ return (gchar *)file_name + 3;
#endif
return NULL;
g_path_get_dirname (const gchar *file_name)
{
register gchar *base;
- register guint len;
+ register gsize len;
g_return_val_if_fail (file_name != NULL, NULL);
base = strrchr (file_name, G_DIR_SEPARATOR);
+#ifdef G_OS_WIN32
+ {
+ gchar *q = strrchr (file_name, '/');
+ if (base == NULL || (q != NULL && q > base))
+ base = q;
+ }
+#endif
if (!base)
+ {
+#ifdef G_OS_WIN32
+ if (g_ascii_isalpha (file_name[0]) && file_name[1] == ':')
+ {
+ gchar drive_colon_dot[4];
+
+ drive_colon_dot[0] = file_name[0];
+ drive_colon_dot[1] = ':';
+ drive_colon_dot[2] = '.';
+ drive_colon_dot[3] = '\0';
+
+ return g_strdup (drive_colon_dot);
+ }
+#endif
return g_strdup (".");
- while (base > file_name && *base == G_DIR_SEPARATOR)
+ }
+
+ while (base > file_name && G_IS_DIR_SEPARATOR (*base))
base--;
+
+#ifdef G_OS_WIN32
+ if (base == file_name + 1 && g_ascii_isalpha (file_name[0]) && file_name[1] == ':')
+ base++;
+#endif
+
len = (guint) 1 + base - file_name;
base = g_new (gchar, len + 1);
}
gchar*
-g_dirname (const gchar *file_name)
-{
-#ifdef G_ENABLE_DEBUG
- static gboolean first_call = TRUE;
-
- if (first_call)
- {
- g_warning("g_dirname is deprecated. Use g_path_get_dirname instead.");
- first_call = FALSE;
- }
-#endif /* G_ENABLE_DEBUG */
-
- return g_path_get_dirname (file_name);
-}
-
-gchar*
g_get_current_dir (void)
{
gchar *buffer = NULL;
gchar *dir = NULL;
- static gulong max_len = (G_PATH_LENGTH == -1) ? 2048 : G_PATH_LENGTH;
+ static gulong max_len = 0;
+
+ if (max_len == 0)
+ 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)
+#if (defined (sun) && !defined (__SVR4)) || !defined(HAVE_GETCWD)
buffer = g_new (gchar, max_len + 1);
*buffer = 0;
dir = getwd (buffer);
-#else /* !sun */
+#else /* !sun || !HAVE_GETCWD */
while (max_len < G_MAXULONG / 2)
{
buffer = g_new (gchar, max_len + 1);
g_free (buffer);
max_len *= 2;
}
-#endif /* !sun */
+#endif /* !sun || !HAVE_GETCWD */
if (!dir || !*buffer)
{
buffer[1] = 0;
}
+#ifdef G_OS_WIN32
+ dir = g_locale_to_utf8 (buffer, -1, NULL, NULL, NULL);
+#else
dir = g_strdup (buffer);
+#endif
g_free (buffer);
return dir;
}
+#ifdef G_OS_WIN32
+
+#undef g_get_current_dir
+
+/* Binary compatibility version. Not for newly compiled code. */
+
gchar*
+g_get_current_dir (void)
+{
+ gchar *utf8_dir = g_get_current_dir_utf8 ();
+ gchar *dir = g_locale_from_utf8 (utf8_dir, -1, NULL, NULL, NULL);
+ g_free (utf8_dir);
+ return dir;
+}
+
+#endif
+
+/**
+ * g_getenv:
+ * @variable: the environment variable to get.
+ *
+ * Returns an environment variable.
+ *
+ * Return value: the value of the environment variable, or %NULL if the environment
+ * variable is not found. The returned string may be overwritten by the next call to g_getenv(),
+ * g_setenv() or g_unsetenv().
+ **/
+G_CONST_RETURN gchar*
g_getenv (const gchar *variable)
{
#ifndef G_OS_WIN32
return getenv (variable);
#else
- G_LOCK_DEFINE_STATIC (getenv);
- struct env_struct
- {
- gchar *key;
- gchar *value;
- } *env;
- static GArray *environs = NULL;
+ GQuark quark;
gchar *system_env;
- guint length, i;
+ gchar *expanded_env;
+ guint length;
gchar dummy[2];
g_return_val_if_fail (variable != NULL, NULL);
- G_LOCK (getenv);
-
- if (!environs)
- environs = g_array_new (FALSE, FALSE, sizeof (struct env_struct));
-
- /* First we try to find the envinronment variable inside the already
- * found ones.
+ system_env = getenv (variable);
+ if (!system_env)
+ return NULL;
+
+ /* On Windows NT, it is relatively typical that environment
+ * variables contain references to other environment variables. If
+ * so, use ExpandEnvironmentStrings(). (If all software was written
+ * in the best possible way, such environment variables would be
+ * stored in the Registry as REG_EXPAND_SZ type values, and would
+ * then get automatically expanded before the program sees them. But
+ * there is broken software that stores environment variables as
+ * REG_SZ values even if they contain references to other
+ * environment variables.
*/
- for (i = 0; i < environs->len; i++)
+ if (strchr (system_env, '%') == NULL)
{
- env = &g_array_index (environs, struct env_struct, i);
- if (strcmp (env->key, variable) == 0)
- {
- g_assert (env->value);
- G_UNLOCK (getenv);
- return env->value;
- }
+ /* No reference to other variable(s), return value as such. */
+ return system_env;
}
- /* If not found, we ask the system */
+ /* First check how much space we need */
+ length = ExpandEnvironmentStrings (system_env, dummy, 2);
+
+ expanded_env = g_malloc (length);
+
+ ExpandEnvironmentStrings (system_env, expanded_env, length);
+
+ quark = g_quark_from_string (expanded_env);
+ g_free (expanded_env);
+
+ return g_quark_to_string (quark);
+#endif
+}
- system_env = getenv (variable);
- if (!system_env)
- {
- G_UNLOCK (getenv);
- return NULL;
- }
+/**
+ * g_setenv:
+ * @variable: the environment variable to set, must not contain '='.
+ * @value: the value for to set the variable to.
+ * @overwrite: whether to change the variable if it already exists.
+ *
+ * Sets an environment variable.
+ *
+ * Note that on some systems, the memory used for the variable and its value
+ * can't be reclaimed later.
+ *
+ * Returns: %FALSE if the environment variable couldn't be set.
+ *
+ * Since: 2.4
+ */
+gboolean
+g_setenv (const gchar *variable,
+ const gchar *value,
+ gboolean overwrite)
+{
+ gint result;
+#ifndef HAVE_SETENV
+ gchar *string;
+#endif
- /* On Windows NT, it is relatively typical that environment variables
- * contain references to other environment variables. Handle that by
- * calling ExpandEnvironmentStrings.
+ g_return_val_if_fail (strchr (variable, '=') == NULL, FALSE);
+
+#ifdef HAVE_SETENV
+ result = setenv (variable, value, overwrite);
+#else
+ if (!overwrite && g_getenv (variable) != NULL)
+ return TRUE;
+
+ /* This results in a leak when you overwrite existing
+ * settings. It would be fairly easy to fix this by keeping
+ * our own parallel array or hash table.
*/
+ string = g_strconcat (variable, "=", value, NULL);
+ result = putenv (string);
+#endif
+ return result == 0;
+}
- g_array_set_size (environs, environs->len + 1);
+#ifndef HAVE_UNSETENV
+/* According to the Single Unix Specification, environ is not in
+ * any system header, although unistd.h often declares it.
+ */
+# ifndef _MSC_VER
+/*
+ * Win32 - at least msvc headers declare it so let's avoid
+ * warning C4273: '__p__environ' : inconsistent dll linkage. dllexport assumed.
+ */
+extern char **environ;
+# endif
+#endif
+
+/**
+ * g_unsetenv:
+ * @variable: the environment variable to remove, must not contain '='.
+ *
+ * Removes an environment variable from the environment.
+ *
+ * Note that on some systems, the memory used for the variable and its value
+ * can't be reclaimed. Furthermore, this function can't be guaranteed to operate in a
+ * threadsafe way.
+ *
+ * Since: 2.4
+ **/
+void
+g_unsetenv (const gchar *variable)
+{
+#ifdef HAVE_UNSETENV
+ g_return_if_fail (strchr (variable, '=') == NULL);
- env = &g_array_index (environs, struct env_struct, environs->len - 1);
+ unsetenv (variable);
+#else
+ int len;
+ gchar **e, **f;
- /* First check how much space we need */
- length = ExpandEnvironmentStrings (system_env, dummy, 2);
+ g_return_if_fail (strchr (variable, '=') == NULL);
- /* Then allocate that much, and actualy do the expansion and insert
- * the new found pair into our buffer
+ len = strlen (variable);
+
+ /* Mess directly with the environ array.
+ * This seems to be the only portable way to do this.
+ *
+ * Note that we remove *all* environment entries for
+ * the variable name, not just the first.
*/
-
- env->value = g_malloc (length);
- env->key = g_strdup (variable);
-
- ExpandEnvironmentStrings (system_env, env->value, length);
-
- G_UNLOCK (getenv);
- return env->value;
+ e = f = environ;
+ while (*e != NULL)
+ {
+ if (strncmp (*e, variable, len) != 0 || (*e)[len] != '=')
+ {
+ *f = *e;
+ f++;
+ }
+ e++;
+ }
+ *f = NULL;
#endif
}
-
G_LOCK_DEFINE_STATIC (g_utils_global);
static gchar *g_tmp_dir = NULL;
static gchar *g_real_name = NULL;
static gchar *g_home_dir = NULL;
+static gchar *g_user_data_dir = NULL;
+static gchar **g_system_data_dirs = NULL;
+static gchar *g_user_cache_dir = NULL;
+static gchar *g_user_config_dir = NULL;
+static gchar **g_system_config_dirs = NULL;
+
+#ifdef G_OS_WIN32
+
+static gchar *
+get_special_folder (int csidl)
+{
+ union {
+ char c[MAX_PATH+1];
+ wchar_t wc[MAX_PATH+1];
+ } path;
+ HRESULT hr;
+ LPITEMIDLIST pidl = NULL;
+ BOOL b;
+ gchar *retval = NULL;
+
+ hr = SHGetSpecialFolderLocation (NULL, csidl, &pidl);
+ if (hr == S_OK)
+ {
+ if (G_WIN32_HAVE_WIDECHAR_API ())
+ {
+ b = SHGetPathFromIDListW (pidl, path.wc);
+ if (b)
+ retval = g_utf16_to_utf8 (path.wc, -1, NULL, NULL, NULL);
+ }
+ else
+ {
+ b = SHGetPathFromIDListA (pidl, path.c);
+ if (b)
+ retval = g_locale_to_utf8 (path.c, -1, NULL, NULL, NULL);
+ }
+ CoTaskMemFree (pidl);
+ }
+ return retval;
+}
+
+#endif
+
/* HOLDS: g_utils_global_lock */
static void
g_get_any_init (void)
#ifdef P_tmpdir
if (!g_tmp_dir)
{
- int k;
+ gsize 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';
+ if (k > 1 && G_IS_DIR_SEPARATOR (g_tmp_dir[k - 1]))
+ g_tmp_dir[k - 1] = '\0';
}
#endif
#endif /* G_OS_WIN32 */
}
- if (!g_home_dir)
- g_home_dir = g_strdup (g_getenv ("HOME"));
-
#ifdef G_OS_WIN32
+ /* We check $HOME first for Win32, though it is a last resort for Unix
+ * where we prefer the results of getpwuid().
+ */
+ {
+ gchar *home = g_getenv ("HOME");
+
+ /* Only believe HOME if it is an absolute path and exists */
+ if (home && g_path_is_absolute (home) && g_file_test (home, G_FILE_TEST_IS_DIR))
+ g_home_dir = g_strdup (home);
+ }
+
+ /* In case HOME is Unix-style (it happens), convert it to
+ * Windows style.
+ */
+ if (g_home_dir)
+ {
+ gchar *p;
+ while ((p = strchr (g_home_dir, '/')) != NULL)
+ *p = '\\';
+ }
+
if (!g_home_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.
- */
-
+ /* USERPROFILE is probably the closest equivalent to $HOME? */
+ if (getenv ("USERPROFILE") != NULL)
+ g_home_dir = g_strdup (g_getenv ("USERPROFILE"));
+ }
+
+ if (!g_home_dir)
+ g_home_dir = get_special_folder (CSIDL_PROFILE);
+
+ if (!g_home_dir)
+ {
+ /* At least at some time, HOMEDRIVE and HOMEPATH were used
+ * to point to the home directory, I think. But on Windows
+ * 2000 HOMEDRIVE seems to be equal to SYSTEMDRIVE, and
+ * HOMEPATH is its root "\"?
+ */
if (getenv ("HOMEDRIVE") != NULL && getenv ("HOMEPATH") != NULL)
{
gchar *homedrive, *homepath;
{
struct passwd *pw = NULL;
gpointer buffer = NULL;
+ gint error;
-# ifdef HAVE_GETPWUID_R
+# if defined (HAVE_POSIX_GETPWUID_R) || defined (HAVE_NONPOSIX_GETPWUID_R)
struct passwd pwd;
# ifdef _SC_GETPW_R_SIZE_MAX
/* This reurns the maximum length */
- guint bufsize = sysconf (_SC_GETPW_R_SIZE_MAX);
+ glong bufsize = sysconf (_SC_GETPW_R_SIZE_MAX);
+
+ if (bufsize < 0)
+ bufsize = 64;
# else /* _SC_GETPW_R_SIZE_MAX */
- guint bufsize = 64;
+ glong bufsize = 64;
# endif /* _SC_GETPW_R_SIZE_MAX */
- gint error;
do
{
buffer = g_malloc (bufsize);
errno = 0;
-# ifdef HAVE_GETPWUID_R_POSIX
+# ifdef HAVE_POSIX_GETPWUID_R
error = getpwuid_r (getuid (), &pwd, buffer, bufsize, &pw);
error = error < 0 ? errno : error;
-# else /* !HAVE_GETPWUID_R_POSIX */
-# ifdef _AIX
+# else /* HAVE_NONPOSIX_GETPWUID_R */
+ /* HPUX 11 falls into the HAVE_POSIX_GETPWUID_R case */
+# if defined(_AIX) || defined(__hpux)
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 */
+# endif /* HAVE_NONPOSIX_GETPWUID_R */
if (!pw)
{
}
}
while (!pw);
-# endif /* !HAVE_GETPWUID_R */
+# endif /* HAVE_POSIX_GETPWUID_R || HAVE_NONPOSIX_GETPWUID_R */
if (!pw)
{
}
if (pw)
{
- g_user_name = g_strdup (pw->pw_name);
- g_real_name = g_strdup (pw->pw_gecos);
+ g_user_name = g_strdup (pw->pw_name);
+
+ if (pw->pw_gecos && *pw->pw_gecos != '\0')
+ {
+ gchar **gecos_fields;
+ gchar **name_parts;
+
+ /* split the gecos field and substitute '&' */
+ gecos_fields = g_strsplit (pw->pw_gecos, ",", 0);
+ name_parts = g_strsplit (gecos_fields[0], "&", 0);
+ pw->pw_name[0] = g_ascii_toupper (pw->pw_name[0]);
+ g_real_name = g_strjoinv (pw->pw_name, name_parts);
+ g_strfreev (gecos_fields);
+ g_strfreev (name_parts);
+ }
+
if (!g_home_dir)
g_home_dir = g_strdup (pw->pw_dir);
}
# ifdef G_OS_WIN32
{
- guint len = 17;
- gchar buffer[17];
+ guint len = UNLEN+1;
+ gchar buffer[UNLEN+1];
if (GetUserName ((LPTSTR) buffer, (LPDWORD) &len))
{
}
}
# endif /* G_OS_WIN32 */
-
+
#endif /* !HAVE_PWD_H */
+
+ if (!g_home_dir)
+ g_home_dir = g_strdup (g_getenv ("HOME"));
#ifdef __EMX__
/* change '\\' in %HOME% to '/' */
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;
- }
- }
}
}
-gchar*
+G_CONST_RETURN gchar*
g_get_user_name (void)
{
G_LOCK (g_utils_global);
return g_user_name;
}
-gchar*
+G_CONST_RETURN gchar*
g_get_real_name (void)
{
G_LOCK (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_CONST_RETURN gchar*
g_get_home_dir (void)
{
G_LOCK (g_utils_global);
return g_home_dir;
}
+#ifdef G_OS_WIN32
+
+#undef g_get_home_dir
+
+G_CONST_RETURN gchar*
+g_get_home_dir (void)
+{
+ static gchar *home_dir = NULL;
+
+ G_LOCK (g_utils_global);
+ if (!g_tmp_dir)
+ g_get_any_init ();
+ if (!home_dir && g_home_dir)
+ home_dir = g_locale_from_utf8 (g_home_dir, -1, NULL, NULL, NULL);
+ G_UNLOCK (g_utils_global);
+
+ return home_dir;
+}
+
+#endif
+
/* 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
* and C:\ on Windows.
*/
-gchar*
+G_CONST_RETURN gchar*
g_get_tmp_dir (void)
{
G_LOCK (g_utils_global);
return g_tmp_dir;
}
+#ifdef G_OS_WIN32
+
+#undef g_get_tmp_dir
+
+G_CONST_RETURN gchar*
+g_get_tmp_dir (void)
+{
+ static gchar *tmp_dir = NULL;
+
+ G_LOCK (g_utils_global);
+ if (!g_tmp_dir)
+ g_get_any_init ();
+ if (!tmp_dir)
+ tmp_dir = g_locale_from_utf8 (g_tmp_dir, -1, NULL, NULL, NULL);
+
+ if (tmp_dir == NULL)
+ tmp_dir = "C:\\";
+ G_UNLOCK (g_utils_global);
+
+ return tmp_dir;
+}
+
+#endif
+
+G_LOCK_DEFINE_STATIC (g_prgname);
static gchar *g_prgname = NULL;
gchar*
{
gchar* retval;
- G_LOCK (g_utils_global);
+ G_LOCK (g_prgname);
retval = g_prgname;
- G_UNLOCK (g_utils_global);
+ G_UNLOCK (g_prgname);
return retval;
}
void
g_set_prgname (const gchar *prgname)
{
- gchar *c;
-
- G_LOCK (g_utils_global);
- c = g_prgname;
+ G_LOCK (g_prgname);
+ g_free (g_prgname);
g_prgname = g_strdup (prgname);
- g_free (c);
+ G_UNLOCK (g_prgname);
+}
+
+G_LOCK_DEFINE_STATIC (g_application_name);
+static gchar *g_application_name = NULL;
+
+/**
+ * g_get_application_name:
+ *
+ * Gets a human-readable name for the application, as set by
+ * g_set_application_name(). This name should be localized if
+ * possible, and is intended for display to the user. Contrast with
+ * g_get_prgname(), which gets a non-localized name. If
+ * g_set_application_name() has not been called, returns the result of
+ * g_get_prgname() (which may be %NULL if g_set_prgname() has also not
+ * been called).
+ *
+ * Return value: human-readable application name. may return %NULL
+ *
+ * Since: 2.2
+ **/
+G_CONST_RETURN gchar*
+g_get_application_name (void)
+{
+ gchar* retval;
+
+ G_LOCK (g_application_name);
+ retval = g_application_name;
+ G_UNLOCK (g_application_name);
+
+ if (retval == NULL)
+ return g_get_prgname ();
+
+ return retval;
+}
+
+/**
+ * g_set_application_name:
+ * @application_name: localized name of the application
+ *
+ * Sets a human-readable name for the application. This name should be
+ * localized if possible, and is intended for display to the user.
+ * Contrast with g_set_prgname(), which sets a non-localized name.
+ * g_set_prgname() will be called automatically by gtk_init(),
+ * but g_set_application_name() will not.
+ *
+ * Note that for thread safety reasons, this function can only
+ * be called once.
+ *
+ * The application name will be used in contexts such as error messages,
+ * or when displaying an application's name in the task list.
+ *
+ **/
+void
+g_set_application_name (const gchar *application_name)
+{
+ gboolean already_set = FALSE;
+
+ G_LOCK (g_application_name);
+ if (g_application_name)
+ already_set = TRUE;
+ else
+ g_application_name = g_strdup (application_name);
+ G_UNLOCK (g_application_name);
+
+ if (already_set)
+ g_warning ("g_set_application() name called multiple times");
+}
+
+/**
+ * g_get_user_data_dir:
+ *
+ * Returns a base directory in which to access application data such
+ * as icons that is customized for a particular user.
+ *
+ * On Unix platforms this is determined using the mechanisms described in
+ * the <ulink url="http://www.freedesktop.org/Standards/basedir-spec">
+ * XDG Base Directory Specification</ulink>
+ *
+ * Return value: a string owned by GLib that must not be modified
+ * or freed.
+ * Since: 2.6
+ **/
+G_CONST_RETURN gchar*
+g_get_user_data_dir (void)
+{
+ gchar *data_dir;
+
+ G_LOCK (g_utils_global);
+
+ if (!g_user_data_dir)
+ {
+#ifdef G_OS_WIN32
+ data_dir = get_special_folder (CSIDL_PERSONAL);
+#else
+ data_dir = (gchar *) g_getenv ("XDG_DATA_HOME");
+#endif
+
+ if (data_dir && data_dir[0])
+ data_dir = g_strdup (data_dir);
+ else
+ {
+ if (!g_tmp_dir)
+ g_get_any_init ();
+
+ data_dir = g_build_filename (g_home_dir, ".local",
+ "share", NULL);
+ }
+
+ g_user_data_dir = data_dir;
+ }
+ else
+ data_dir = g_user_data_dir;
+
+ G_UNLOCK (g_utils_global);
+
+ return data_dir;
+}
+
+/**
+ * g_get_user_config_dir:
+ *
+ * Returns a base directory in which to store user-specific application
+ * configuration information such as user preferences and settings.
+ *
+ * On Unix platforms this is determined using the mechanisms described in
+ * the <ulink url="http://www.freedesktop.org/Standards/basedir-spec">
+ * XDG Base Directory Specification</ulink>
+ *
+ * Return value: a string owned by GLib that must not be modified
+ * or freed.
+ * Since: 2.6
+ **/
+G_CONST_RETURN gchar*
+g_get_user_config_dir (void)
+{
+ gchar *config_dir;
+
+ G_LOCK (g_utils_global);
+
+ if (!g_user_config_dir)
+ {
+#ifdef G_OS_WIN32
+ config_dir = get_special_folder (CSIDL_APPDATA);
+#else
+ config_dir = (gchar *) g_getenv ("XDG_CONFIG_HOME");
+#endif
+
+ if (config_dir && config_dir[0])
+ config_dir = g_strdup (config_dir);
+ else
+ {
+ if (!g_tmp_dir)
+ g_get_any_init ();
+
+ config_dir = g_build_filename (g_home_dir, ".config", NULL);
+ }
+ g_user_config_dir = config_dir;
+ }
+ else
+ config_dir = g_user_config_dir;
+
+ G_UNLOCK (g_utils_global);
+
+ return config_dir;
+}
+
+/**
+ * g_get_user_cache_dir:
+ *
+ * Returns a base directory in which to store non-essential, cached
+ * data specific to particular user.
+ *
+ * On Unix platforms this is determined using the mechanisms described in
+ * the <ulink url="http://www.freedesktop.org/Standards/basedir-spec">
+ * XDG Base Directory Specification</ulink>
+ *
+ * Return value: a string owned by GLib that must not be modified
+ * or freed.
+ * Since: 2.6
+ **/
+G_CONST_RETURN gchar*
+g_get_user_cache_dir (void)
+{
+ gchar *cache_dir;
+
+ G_LOCK (g_utils_global);
+
+ if (!g_user_cache_dir)
+ {
+#ifdef G_OS_WIN32
+ cache_dir = get_special_folder (CSIDL_INTERNET_CACHE); /* XXX correct? */
+#else
+ cache_dir = (gchar *) g_getenv ("XDG_CACHE_HOME");
+#endif
+ if (cache_dir && cache_dir[0])
+ cache_dir = g_strdup (cache_dir);
+ else
+ {
+ if (!g_tmp_dir)
+ g_get_any_init ();
+
+ cache_dir = g_build_filename (g_home_dir, ".cache", NULL);
+ }
+ g_user_cache_dir = cache_dir;
+ }
+ else
+ cache_dir = g_user_cache_dir;
+
+ G_UNLOCK (g_utils_global);
+
+ return cache_dir;
+}
+
+/**
+ * g_get_system_data_dirs:
+ *
+ * Returns an ordered list of base directories in which to access
+ * system-wide application data.
+ *
+ * On Unix platforms this is determined using the mechanisms described in
+ * the <ulink url="http://www.freedesktop.org/Standards/basedir-spec">
+ * XDG Base Directory Specification</ulink>
+ *
+ * Return value: a %NULL-terminated array of strings owned by GLib that must
+ * not be modified or freed.
+ * Since: 2.6
+ **/
+G_CONST_RETURN gchar * G_CONST_RETURN *
+g_get_system_data_dirs (void)
+{
+ gchar *data_dirs, **data_dir_vector;
+
+ G_LOCK (g_utils_global);
+
+ if (!g_system_data_dirs)
+ {
+#ifdef G_OS_WIN32
+ data_dirs = g_strconcat (get_special_folder (CSIDL_COMMON_APPDATA),
+ G_SEARCHPATH_SEPARATOR_S,
+ get_special_folder (CSIDL_COMMON_DOCUMENTS),
+ NULL);
+#else
+ data_dirs = (gchar *) g_getenv ("XDG_DATA_DIRS");
+
+ if (!data_dirs || !data_dirs[0])
+ data_dirs = "/usr/local/share/:/usr/share/";
+#endif
+ data_dir_vector = g_strsplit (data_dirs, G_SEARCHPATH_SEPARATOR_S, 0);
+
+ g_system_data_dirs = data_dir_vector;
+ }
+ else
+ data_dir_vector = g_system_data_dirs;
+
+ G_UNLOCK (g_utils_global);
+
+ return (G_CONST_RETURN gchar * G_CONST_RETURN *) data_dir_vector;
+}
+
+/**
+ * g_get_system_config_dirs:
+ *
+ * Returns an ordered list of base directories in which to access
+ * system-wide configuration information.
+ *
+ * On Unix platforms this is determined using the mechanisms described in
+ * the <ulink url="http://www.freedesktop.org/Standards/basedir-spec">
+ * XDG Base Directory Specification</ulink>
+ *
+ * Return value: a %NULL-terminated array of strings owned by GLib that must
+ * not be modified or freed.
+ * Since: 2.6
+ **/
+G_CONST_RETURN gchar * G_CONST_RETURN *
+g_get_system_config_dirs (void)
+{
+ gchar *conf_dirs, **conf_dir_vector;
+
+ G_LOCK (g_utils_global);
+
+ if (!g_system_config_dirs)
+ {
+#ifdef G_OS_WIN32
+ conf_dirs = get_special_folder (CSIDL_COMMON_APPDATA);
+#else
+ conf_dirs = (gchar *) g_getenv ("XDG_CONFIG_DIRS");
+
+ if (!conf_dirs || !conf_dirs[0])
+ conf_dirs = "/etc/xdg";
+#endif
+ conf_dir_vector = g_strsplit (conf_dirs, G_SEARCHPATH_SEPARATOR_S, 0);
+ }
+ else
+ conf_dir_vector = g_system_config_dirs;
+ G_UNLOCK (g_utils_global);
+
+ return (G_CONST_RETURN gchar * G_CONST_RETURN *) conf_dir_vector;
+}
+
+static GHashTable *alias_table = NULL;
+
+/* read an alias file for the locales */
+static void
+read_aliases (gchar *file)
+{
+ FILE *fp;
+ char buf[256];
+
+ if (!alias_table)
+ alias_table = g_hash_table_new (g_str_hash, g_str_equal);
+ fp = fopen (file,"r");
+ if (!fp)
+ return;
+ while (fgets (buf, 256, fp))
+ {
+ char *p, *q;
+
+ g_strstrip (buf);
+
+ /* Line is a comment */
+ if ((buf[0] == '#') || (buf[0] == '\0'))
+ continue;
+
+ /* Reads first column */
+ for (p = buf, q = NULL; *p; p++) {
+ if ((*p == '\t') || (*p == ' ') || (*p == ':')) {
+ *p = '\0';
+ q = p+1;
+ while ((*q == '\t') || (*q == ' ')) {
+ q++;
+ }
+ break;
+ }
+ }
+ /* The line only had one column */
+ if (!q || *q == '\0')
+ continue;
+
+ /* Read second column */
+ for (p = q; *p; p++) {
+ if ((*p == '\t') || (*p == ' ')) {
+ *p = '\0';
+ break;
+ }
+ }
+
+ /* Add to alias table if necessary */
+ if (!g_hash_table_lookup (alias_table, buf)) {
+ g_hash_table_insert (alias_table, g_strdup (buf), g_strdup (q));
+ }
+ }
+ fclose (fp);
+}
+
+static char *
+unalias_lang (char *lang)
+{
+ char *p;
+ int i;
+
+ if (!alias_table)
+ read_aliases ("/usr/share/locale/locale.alias");
+
+ i = 0;
+ while ((p = g_hash_table_lookup (alias_table, lang)) && (strcmp (p, lang) != 0))
+ {
+ lang = p;
+ if (i++ == 30)
+ {
+ static gboolean said_before = FALSE;
+ if (!said_before)
+ g_warning ("Too many alias levels for a locale, "
+ "may indicate a loop");
+ said_before = TRUE;
+ return lang;
+ }
+ }
+ return lang;
+}
+
+/* Mask for components of locale spec. The ordering here is from
+ * least significant to most significant
+ */
+enum
+{
+ COMPONENT_CODESET = 1 << 0,
+ COMPONENT_TERRITORY = 1 << 1,
+ COMPONENT_MODIFIER = 1 << 2
+};
+
+/* Break an X/Open style locale specification into components
+ */
+static guint
+explode_locale (const gchar *locale,
+ gchar **language,
+ gchar **territory,
+ gchar **codeset,
+ gchar **modifier)
+{
+ const gchar *uscore_pos;
+ const gchar *at_pos;
+ const gchar *dot_pos;
+
+ guint mask = 0;
+
+ uscore_pos = strchr (locale, '_');
+ dot_pos = strchr (uscore_pos ? uscore_pos : locale, '.');
+ at_pos = strchr (dot_pos ? dot_pos : (uscore_pos ? uscore_pos : locale), '@');
+
+ if (at_pos)
+ {
+ mask |= COMPONENT_MODIFIER;
+ *modifier = g_strdup (at_pos);
+ }
+ else
+ at_pos = locale + strlen (locale);
+
+ if (dot_pos)
+ {
+ mask |= COMPONENT_CODESET;
+ *codeset = g_strndup (dot_pos, at_pos - dot_pos);
+ }
+ else
+ dot_pos = at_pos;
+
+ if (uscore_pos)
+ {
+ mask |= COMPONENT_TERRITORY;
+ *territory = g_strndup (uscore_pos, dot_pos - uscore_pos);
+ }
+ else
+ uscore_pos = dot_pos;
+
+ *language = g_strndup (locale, uscore_pos - locale);
+
+ return mask;
+}
+
+/*
+ * Compute all interesting variants for a given locale name -
+ * by stripping off different components of the value.
+ *
+ * For simplicity, we assume that the locale is in
+ * X/Open format: language[_territory][.codeset][@modifier]
+ *
+ * TODO: Extend this to handle the CEN format (see the GNUlibc docs)
+ * as well. We could just copy the code from glibc wholesale
+ * but it is big, ugly, and complicated, so I'm reluctant
+ * to do so when this should handle 99% of the time...
+ */
+GSList *
+_g_compute_locale_variants (const gchar *locale)
+{
+ GSList *retval = NULL;
+
+ gchar *language;
+ gchar *territory;
+ gchar *codeset;
+ gchar *modifier;
+
+ guint mask;
+ guint i;
+
+ g_return_val_if_fail (locale != NULL, NULL);
+
+ mask = explode_locale (locale, &language, &territory, &codeset, &modifier);
+
+ /* Iterate through all possible combinations, from least attractive
+ * to most attractive.
+ */
+ for (i = 0; i <= mask; i++)
+ if ((i & ~mask) == 0)
+ {
+ gchar *val = g_strconcat (language,
+ (i & COMPONENT_TERRITORY) ? territory : "",
+ (i & COMPONENT_CODESET) ? codeset : "",
+ (i & COMPONENT_MODIFIER) ? modifier : "",
+ NULL);
+ retval = g_slist_prepend (retval, val);
+ }
+
+ g_free (language);
+ if (mask & COMPONENT_CODESET)
+ g_free (codeset);
+ if (mask & COMPONENT_TERRITORY)
+ g_free (territory);
+ if (mask & COMPONENT_MODIFIER)
+ g_free (modifier);
+
+ return retval;
+}
+
+/* The following is (partly) taken from the gettext package.
+ Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc. */
+
+static const gchar *
+guess_category_value (const gchar *category_name)
+{
+ const gchar *retval;
+
+ /* The highest priority value is the `LANGUAGE' environment
+ variable. This is a GNU extension. */
+ retval = g_getenv ("LANGUAGE");
+ if ((retval != NULL) && (retval[0] != '\0'))
+ return retval;
+
+ /* `LANGUAGE' is not set. So we have to proceed with the POSIX
+ methods of looking to `LC_ALL', `LC_xxx', and `LANG'. On some
+ systems this can be done by the `setlocale' function itself. */
+
+ /* Setting of LC_ALL overwrites all other. */
+ retval = g_getenv ("LC_ALL");
+ if ((retval != NULL) && (retval[0] != '\0'))
+ return retval;
+
+ /* Next comes the name of the desired category. */
+ retval = g_getenv (category_name);
+ if ((retval != NULL) && (retval[0] != '\0'))
+ return retval;
+
+ /* Last possibility is the LANG environment variable. */
+ retval = g_getenv ("LANG");
+ if ((retval != NULL) && (retval[0] != '\0'))
+ return retval;
+
+#ifdef G_PLATFORM_WIN32
+ /* g_win32_getlocale() first checks for LC_ALL, LC_MESSAGES and
+ * LANG, which we already did above. Oh well. The main point of
+ * calling g_win32_getlocale() is to get the thread's locale as used
+ * by Windows and the Microsoft C runtime (in the "English_United
+ * States" format) translated into the Unixish format.
+ */
+ retval = g_win32_getlocale ();
+ if ((retval != NULL) && (retval[0] != '\0'))
+ return retval;
+#endif
+
+ return NULL;
+}
+
+static gchar **languages = NULL;
+
+/**
+ * g_get_language_names:
+ *
+ * Computes a list of applicable locale names, which can be used to
+ * e.g. construct locale-dependent filenames or search paths. The returned
+ * list is sorted from most desirable to least desirable and always contains
+ * the default locale "C".
+ *
+ * For example, if LANGUAGE=de:en_US, then the returned list is
+ * "de", "en_US", "en", "C".
+ *
+ * This function consults the environment variables <envar>LANGUAGE</envar>,
+ * <envar>LC_ALL</envar>, <envar>LC_MESSAGES</envar> and <envar>LANG</envar>
+ * to find the list of locales specified by the user.
+ *
+ * Return value: a %NULL-terminated array of strings owned by GLib
+ * that must not be modified or freed.
+ *
+ * Since: 2.6
+ **/
+G_CONST_RETURN gchar * G_CONST_RETURN *
+g_get_language_names ()
+{
+ G_LOCK (g_utils_global);
+
+ if (!languages)
+ {
+ const gchar *value;
+ gchar **alist, **a;
+ GSList *list, *l;
+ gint i;
+
+ value = guess_category_value ("LC_MESSAGES");
+ if (!value)
+ value = "C";
+
+ alist = g_strsplit (value, ":", 0);
+ list = NULL;
+ for (a = alist; *a; a++)
+ {
+ gchar *b = unalias_lang (*a);
+ list = g_slist_concat (list, _g_compute_locale_variants (b));
+ }
+ g_strfreev (alist);
+ list = g_slist_append (list, "C");
+
+ languages = g_new (gchar *, g_slist_length (list) + 1);
+ for (l = list, i = 0; l; l = l->next, i++)
+ languages[i] = l->data;
+ languages[i] = NULL;
+
+ g_slist_free (list);
+ }
+
G_UNLOCK (g_utils_global);
+
+ return (G_CONST_RETURN gchar * G_CONST_RETURN *) languages;
}
guint
return GPOINTER_TO_UINT (v);
}
-gint
+gboolean
g_direct_equal (gconstpointer v1,
gconstpointer v2)
{
return v1 == v2;
}
-gint
+gboolean
g_int_equal (gconstpointer v1,
gconstpointer v2)
{
}
/**
+ * g_nullify_pointer:
+ * @nullify_location: the memory address of the pointer.
+ *
+ * Set the pointer at the specified location to %NULL.
+ **/
+void
+g_nullify_pointer (gpointer *nullify_location)
+{
+ g_return_if_fail (nullify_location != NULL);
+
+ *nullify_location = NULL;
+}
+
+/**
* g_get_codeset:
*
* Get the codeset for the current locale.
gchar *
g_get_codeset (void)
{
-#ifdef HAVE_CODESET
- char *result = nl_langinfo (CODESET);
- return g_strdup (result);
-#else
-#ifndef G_OS_WIN32
- /* FIXME: Do something more intelligent based on setlocale (LC_CTYPE, NULL)
- */
- return g_strdup ("ISO-8859-1");
-#else
- /* On Win32 we always use UTF-8. At least in GDK. SO should we
- * therefore return that?
- */
- return g_strdup ("UTF-8");
-#endif
-#endif
+ const gchar *charset;
+
+ g_get_charset (&charset);
+
+ return g_strdup (charset);
+}
+
+#ifdef ENABLE_NLS
+
+#include <libintl.h>
+
+#ifdef G_PLATFORM_WIN32
+
+G_WIN32_DLLMAIN_FOR_DLL_NAME (static, dll_name)
+
+static const gchar *
+_glib_get_locale_dir (void)
+{
+ static const gchar *cache = NULL;
+ if (cache == NULL)
+ cache = g_win32_get_package_installation_subdirectory
+ (GETTEXT_PACKAGE, dll_name, "lib\\locale");
+
+ return cache;
}
+
+#undef GLIB_LOCALE_DIR
+#define GLIB_LOCALE_DIR _glib_get_locale_dir ()
+
+#endif /* G_PLATFORM_WIN32 */
+
+G_CONST_RETURN gchar *
+_glib_gettext (const gchar *str)
+{
+ static gboolean _glib_gettext_initialized = FALSE;
+
+ if (!_glib_gettext_initialized)
+ {
+ bindtextdomain(GETTEXT_PACKAGE, GLIB_LOCALE_DIR);
+# ifdef HAVE_BIND_TEXTDOMAIN_CODESET
+ bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
+# endif
+ _glib_gettext_initialized = TRUE;
+ }
+
+ return dgettext (GETTEXT_PACKAGE, str);
+}
+
+#endif /* ENABLE_NLS */
projects / platform / upstream / glib.git / blobdiff