* Modified by the GLib Team and others 1997-2000. 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/.
+ * GLib at ftp://ftp.gtk.org/pub/gtk/.
*/
+#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
+#error "Only <glib.h> can be included directly."
+#endif
+
#ifndef __G_UTILS_H__
#define __G_UTILS_H__
-#include <gtypes.h>
+#include <glib/gtypes.h>
#include <stdarg.h>
G_BEGIN_DECLS
#ifdef G_OS_WIN32
-/* On native Win32, directory separator is the backslash, and search path
- * separator is the semicolon.
+/* On Win32, the canonical directory separator is the backslash, and
+ * the search path separator is the semicolon. Note that also the
+ * (forward) slash works as directory separator.
*/
#define G_DIR_SEPARATOR '\\'
#define G_DIR_SEPARATOR_S "\\"
+#define G_IS_DIR_SEPARATOR(c) ((c) == G_DIR_SEPARATOR || (c) == '/')
#define G_SEARCHPATH_SEPARATOR ';'
#define G_SEARCHPATH_SEPARATOR_S ";"
#define G_DIR_SEPARATOR '/'
#define G_DIR_SEPARATOR_S "/"
+#define G_IS_DIR_SEPARATOR(c) ((c) == G_DIR_SEPARATOR)
#define G_SEARCHPATH_SEPARATOR ':'
#define G_SEARCHPATH_SEPARATOR_S ":"
/* inlining hassle. for compilers that don't allow the `inline' keyword,
* mostly because of strict ANSI C compliance or dumbness, we try to fall
* back to either `__inline__' or `__inline'.
- * we define G_CAN_INLINE, if the compiler seems to be actually
- * *capable* to do function inlining, in which case inline function bodys
- * do make sense. we also define G_INLINE_FUNC to properly export the
- * function prototypes if no inlining can be performed.
+ * G_CAN_INLINE is defined in glibconfig.h if the compiler seems to be
+ * actually *capable* to do function inlining, in which case inline
+ * function bodies do make sense. we also define G_INLINE_FUNC to properly
+ * export the function prototypes if no inlining can be performed.
* inline function bodies have to be special cased with G_CAN_INLINE and a
* .c file specific macro to allow one compiled instance with extern linkage
* of the functions by defining G_IMPLEMENT_INLINES and the .c file macro.
*/
-#ifdef G_IMPLEMENT_INLINES
-# define G_INLINE_FUNC extern
-# undef G_CAN_INLINE
-#endif
-#ifndef G_INLINE_FUNC
-# define G_CAN_INLINE 1
-#endif
#if defined (G_HAVE_INLINE) && defined (__GNUC__) && defined (__STRICT_ANSI__)
# undef inline
# define inline __inline__
# define inline __inline
# else /* !inline && !__inline__ && !__inline */
# define inline /* don't inline, then */
-# ifndef G_INLINE_FUNC
-# undef G_CAN_INLINE
-# endif
# endif
#endif
-#ifndef G_INLINE_FUNC
-# if defined (__GNUC__) && (__OPTIMIZE__)
-# define G_INLINE_FUNC extern inline
-# elif defined (G_CAN_INLINE) && !defined (__GNUC__)
-# define G_INLINE_FUNC static inline
-# else /* can't inline */
-# define G_INLINE_FUNC extern
-# undef G_CAN_INLINE
-# endif
+#ifdef G_IMPLEMENT_INLINES
+# define G_INLINE_FUNC
+# undef G_CAN_INLINE
+#elif defined (__GNUC__)
+# define G_INLINE_FUNC static __inline __attribute__ ((unused))
+#elif defined (G_CAN_INLINE)
+# define G_INLINE_FUNC static inline
+#else /* can't inline */
+# define G_INLINE_FUNC
#endif /* !G_INLINE_FUNC */
-/* Retrive static string info
+#ifndef __GTK_DOC_IGNORE__
+#ifdef G_OS_WIN32
+#define g_get_user_name g_get_user_name_utf8
+#define g_get_real_name g_get_real_name_utf8
+#define g_get_home_dir g_get_home_dir_utf8
+#define g_get_tmp_dir g_get_tmp_dir_utf8
+#endif
+#endif
+
+G_CONST_RETURN gchar* g_get_user_name (void);
+G_CONST_RETURN gchar* g_get_real_name (void);
+G_CONST_RETURN gchar* g_get_home_dir (void);
+G_CONST_RETURN gchar* g_get_tmp_dir (void);
+G_CONST_RETURN gchar* g_get_host_name (void);
+gchar* g_get_prgname (void);
+void g_set_prgname (const gchar *prgname);
+G_CONST_RETURN gchar* g_get_application_name (void);
+void g_set_application_name (const gchar *application_name);
+
+void g_reload_user_special_dirs_cache (void);
+G_CONST_RETURN gchar* g_get_user_data_dir (void);
+G_CONST_RETURN gchar* g_get_user_config_dir (void);
+G_CONST_RETURN gchar* g_get_user_cache_dir (void);
+G_CONST_RETURN gchar* G_CONST_RETURN * g_get_system_data_dirs (void);
+
+#ifdef G_OS_WIN32
+/* This functions is not part of the public GLib API */
+G_CONST_RETURN gchar* G_CONST_RETURN * g_win32_get_system_data_dirs_for_module (void (*address_of_function)(void));
+#endif
+
+#if defined (G_OS_WIN32) && defined (G_CAN_INLINE) && !defined (__cplusplus)
+/* This function is not part of the public GLib API either. Just call
+ * g_get_system_data_dirs() in your code, never mind that that is
+ * actually a macro and you will in fact call this inline function.
*/
-gchar* g_get_user_name (void);
-gchar* g_get_real_name (void);
-gchar* g_get_home_dir (void);
-gchar* g_get_tmp_dir (void);
-gchar* g_get_prgname (void);
-void g_set_prgname (const gchar *prgname);
+static inline G_CONST_RETURN gchar * G_CONST_RETURN *
+_g_win32_get_system_data_dirs (void)
+{
+ return g_win32_get_system_data_dirs_for_module ((void (*)(void)) &_g_win32_get_system_data_dirs);
+}
+#define g_get_system_data_dirs _g_win32_get_system_data_dirs
+#endif
+G_CONST_RETURN gchar* G_CONST_RETURN * g_get_system_config_dirs (void);
-typedef struct _GDebugKey GDebugKey;
+const gchar * g_get_user_runtime_dir (void);
+
+G_CONST_RETURN gchar* G_CONST_RETURN * g_get_language_names (void);
+
+gchar **g_get_locale_variants (const gchar *locale);
+
+/**
+ * GUserDirectory:
+ * @G_USER_DIRECTORY_DESKTOP: the user's Desktop directory
+ * @G_USER_DIRECTORY_DOCUMENTS: the user's Documents directory
+ * @G_USER_DIRECTORY_DOWNLOAD: the user's Downloads directory
+ * @G_USER_DIRECTORY_MUSIC: the user's Music directory
+ * @G_USER_DIRECTORY_PICTURES: the user's Pictures directory
+ * @G_USER_DIRECTORY_PUBLIC_SHARE: the user's shared directory
+ * @G_USER_DIRECTORY_TEMPLATES: the user's Templates directory
+ * @G_USER_DIRECTORY_VIDEOS: the user's Movies directory
+ * @G_USER_N_DIRECTORIES: the number of enum values
+ *
+ * These are logical ids for special directories which are defined
+ * depending on the platform used. You should use g_get_user_special_dir()
+ * to retrieve the full path associated to the logical id.
+ *
+ * The #GUserDirectory enumeration can be extended at later date. Not
+ * every platform has a directory for every logical id in this
+ * enumeration.
+ *
+ * Since: 2.14
+ */
+typedef enum {
+ G_USER_DIRECTORY_DESKTOP,
+ G_USER_DIRECTORY_DOCUMENTS,
+ G_USER_DIRECTORY_DOWNLOAD,
+ G_USER_DIRECTORY_MUSIC,
+ G_USER_DIRECTORY_PICTURES,
+ G_USER_DIRECTORY_PUBLIC_SHARE,
+ G_USER_DIRECTORY_TEMPLATES,
+ G_USER_DIRECTORY_VIDEOS,
+
+ G_USER_N_DIRECTORIES
+} GUserDirectory;
+
+G_CONST_RETURN gchar* g_get_user_special_dir (GUserDirectory directory);
+
+/**
+ * GDebugKey:
+ * @key: the string
+ * @value: the flag
+ *
+ * Associates a string with a bit flag.
+ * Used in g_parse_debug_string().
+ */
+typedef struct _GDebugKey GDebugKey;
struct _GDebugKey
{
- gchar *key;
- guint value;
+ const gchar *key;
+ guint value;
};
/* Miscellaneous utility functions
*/
-guint g_parse_debug_string (const gchar *string,
- GDebugKey *keys,
- guint nkeys);
-gint g_snprintf (gchar *string,
- gulong n,
- gchar const *format,
- ...) G_GNUC_PRINTF (3, 4);
-gint g_vsnprintf (gchar *string,
- gulong n,
- gchar const *format,
- va_list args);
+guint g_parse_debug_string (const gchar *string,
+ const GDebugKey *keys,
+ guint nkeys);
+
+gint g_snprintf (gchar *string,
+ gulong n,
+ gchar const *format,
+ ...) G_GNUC_PRINTF (3, 4);
+gint g_vsnprintf (gchar *string,
+ gulong n,
+ gchar const *format,
+ va_list args);
+
/* Check if a file name is an absolute path */
-gboolean g_path_is_absolute (const gchar *file_name);
+gboolean g_path_is_absolute (const gchar *file_name);
+
/* In case of absolute paths, skip the root part */
-gchar* g_path_skip_root (gchar *file_name);
+G_CONST_RETURN gchar* g_path_skip_root (const gchar *file_name);
-/* These two functions are deprecated and will be removed in the next
- * major release of GLib. Use g_path_get_dirname/g_path_get_basename
- * instead. Whatch out! The string returned by g_path_get_basename
- * must be g_freed, while the string returned by g_basename must not.*/
-gchar* g_basename (const gchar *file_name);
-gchar* g_dirname (const gchar *file_name);
+#ifndef G_DISABLE_DEPRECATED
+
+G_CONST_RETURN gchar* g_basename (const gchar *file_name);
+#define g_dirname g_path_get_dirname
+
+#endif /* G_DISABLE_DEPRECATED */
+
+#ifndef __GTK_DOC_IGNORE__
+#ifdef G_OS_WIN32
+#define g_get_current_dir g_get_current_dir_utf8
+#endif
+#endif
/* The returned strings are newly allocated with g_malloc() */
-gchar* g_get_current_dir (void);
-gchar* g_path_get_basename (const gchar *file_name);
-gchar* g_path_get_dirname (const gchar *file_name);
+gchar* g_get_current_dir (void);
+gchar* g_path_get_basename (const gchar *file_name) G_GNUC_MALLOC;
+gchar* g_path_get_dirname (const gchar *file_name) G_GNUC_MALLOC;
-/* Get the codeset for the current locale */
-/* gchar * g_get_codeset (void); */
+/* Set the pointer at the specified location to NULL */
+void g_nullify_pointer (gpointer *nullify_location);
/* return the environment string for the variable. The returned memory
* must not be freed. */
-gchar* g_getenv (const gchar *variable);
+#ifndef __GTK_DOC_IGNORE__
+#ifdef G_OS_WIN32
+#define g_getenv g_getenv_utf8
+#define g_setenv g_setenv_utf8
+#define g_unsetenv g_unsetenv_utf8
+#define g_find_program_in_path g_find_program_in_path_utf8
+#endif
+#endif
+
+G_CONST_RETURN gchar* g_getenv (const gchar *variable);
+gboolean g_setenv (const gchar *variable,
+ const gchar *value,
+ gboolean overwrite);
+void g_unsetenv (const gchar *variable);
+gchar** g_listenv (void);
+gchar** g_get_environ (void);
+/* private */
+const gchar* _g_getenv_nomalloc (const gchar *variable,
+ gchar buffer[1024]);
-/* we try to provide a usefull equivalent for ATEXIT if it is
- * not defined, but use is actually abandoned. people should
- * use g_atexit() instead.
+/**
+ * GVoidFunc:
+ *
+ * Declares a type of function which takes no arguments
+ * and has no return value. It is used to specify the type
+ * function passed to g_atexit().
*/
-typedef void (*GVoidFunc) (void);
+typedef void (*GVoidFunc) (void);
#ifndef ATEXIT
-# define ATEXIT(proc) g_ATEXIT(proc)
+# define ATEXIT(proc) g_ATEXIT(proc)
#else
# define G_NATIVE_ATEXIT
#endif /* ATEXIT */
*/
void g_atexit (GVoidFunc func);
+#ifdef G_OS_WIN32
+/* It's a bad idea to wrap atexit() on Windows. If the GLib DLL calls
+ * atexit(), the function will be called when the GLib DLL is detached
+ * from the program, which is not what the caller wants. The caller
+ * wants the function to be called when it *itself* exits (or is
+ * detached, in case the caller, too, is a DLL).
+ */
+#if (defined(__MINGW_H) && !defined(_STDLIB_H_)) || (defined(_MSC_VER) && !defined(_INC_STDLIB))
+int atexit (void (*)(void));
+#endif
+#define g_atexit(func) atexit(func)
+#endif
+
/* Look for an executable in PATH, following execvp() rules */
gchar* g_find_program_in_path (const gchar *program);
/* Bit tests
*/
-G_INLINE_FUNC gint g_bit_nth_lsf (guint32 mask,
- gint nth_bit);
-G_INLINE_FUNC gint g_bit_nth_msf (guint32 mask,
- gint nth_bit);
-G_INLINE_FUNC guint g_bit_storage (guint number);
+G_INLINE_FUNC gint g_bit_nth_lsf (gulong mask,
+ gint nth_bit) G_GNUC_CONST;
+G_INLINE_FUNC gint g_bit_nth_msf (gulong mask,
+ gint nth_bit) G_GNUC_CONST;
+G_INLINE_FUNC guint g_bit_storage (gulong number) G_GNUC_CONST;
/* Trash Stacks
* elements need to be >= sizeof (gpointer)
*/
#if defined (G_CAN_INLINE) || defined (__G_UTILS_C__)
G_INLINE_FUNC gint
-g_bit_nth_lsf (guint32 mask,
- gint nth_bit)
+g_bit_nth_lsf (gulong mask,
+ gint nth_bit)
{
- do
+ if (G_UNLIKELY (nth_bit < -1))
+ nth_bit = -1;
+ while (nth_bit < ((GLIB_SIZEOF_LONG * 8) - 1))
{
nth_bit++;
- if (mask & (1 << (guint) nth_bit))
+ if (mask & (1UL << nth_bit))
return nth_bit;
}
- while (nth_bit < 32);
return -1;
}
G_INLINE_FUNC gint
-g_bit_nth_msf (guint32 mask,
- gint nth_bit)
+g_bit_nth_msf (gulong mask,
+ gint nth_bit)
{
- if (nth_bit < 0)
- nth_bit = 32;
- do
+ if (nth_bit < 0 || G_UNLIKELY (nth_bit > GLIB_SIZEOF_LONG * 8))
+ nth_bit = GLIB_SIZEOF_LONG * 8;
+ while (nth_bit > 0)
{
nth_bit--;
- if (mask & (1 << (guint) nth_bit))
+ if (mask & (1UL << nth_bit))
return nth_bit;
}
- while (nth_bit > 0);
return -1;
}
G_INLINE_FUNC guint
-g_bit_storage (guint number)
+g_bit_storage (gulong number)
{
+#if defined(__GNUC__) && (__GNUC__ >= 4) && defined(__OPTIMIZE__)
+ return G_LIKELY (number) ?
+ ((GLIB_SIZEOF_LONG * 8U - 1) ^ __builtin_clzl(number)) + 1 : 1;
+#else
register guint n_bits = 0;
do
}
while (number);
return n_bits;
+#endif
}
G_INLINE_FUNC void
g_trash_stack_push (GTrashStack **stack_p,
GLIB_VAR const guint glib_interface_age;
GLIB_VAR const guint glib_binary_age;
+const gchar * glib_check_version (guint required_major,
+ guint required_minor,
+ guint required_micro);
+
#define GLIB_CHECK_VERSION(major,minor,micro) \
(GLIB_MAJOR_VERSION > (major) || \
(GLIB_MAJOR_VERSION == (major) && GLIB_MINOR_VERSION > (minor)) || \
G_END_DECLS
-#endif /* __G_UTILS_H__ */
+#ifndef G_DISABLE_DEPRECATED
+/*
+ * This macro is deprecated. This DllMain() is too complex. It is
+ * recommended to write an explicit minimal DLlMain() that just saves
+ * the handle to the DLL and then use that handle instead, for
+ * instance passing it to
+ * g_win32_get_package_installation_directory_of_module().
+ *
+ * On Windows, this macro defines a DllMain function that stores the
+ * actual DLL name that the code being compiled will be included in.
+ * STATIC should be empty or 'static'. DLL_NAME is the name of the
+ * (pointer to the) char array where the DLL name will be stored. If
+ * this is used, you must also include <windows.h>. If you need a more complex
+ * DLL entry point function, you cannot use this.
+ *
+ * On non-Windows platforms, expands to nothing.
+ */
+#ifndef G_PLATFORM_WIN32
+# define G_WIN32_DLLMAIN_FOR_DLL_NAME(static, dll_name)
+#else
+# define G_WIN32_DLLMAIN_FOR_DLL_NAME(static, dll_name) \
+static char *dll_name; \
+ \
+BOOL WINAPI \
+DllMain (HINSTANCE hinstDLL, \
+ DWORD fdwReason, \
+ LPVOID lpvReserved) \
+{ \
+ wchar_t wcbfr[1000]; \
+ char *tem; \
+ switch (fdwReason) \
+ { \
+ case DLL_PROCESS_ATTACH: \
+ GetModuleFileNameW ((HMODULE) hinstDLL, wcbfr, G_N_ELEMENTS (wcbfr)); \
+ tem = g_utf16_to_utf8 (wcbfr, -1, NULL, NULL, NULL); \
+ dll_name = g_path_get_basename (tem); \
+ g_free (tem); \
+ break; \
+ } \
+ \
+ return TRUE; \
+}
+#endif /* !G_DISABLE_DEPRECATED */
+
+#endif /* G_PLATFORM_WIN32 */
+
+#endif /* __G_UTILS_H__ */