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- /* GLIB - Library of useful routines for C programming
- * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
- *
- * SPDX-License-Identifier: LGPL-2.1-or-later
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>.
- */
- /*
- * 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/.
- */
- #ifndef __G_STRFUNCS_H__
- #define __G_STRFUNCS_H__
- #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
- #error "Only <glib.h> can be included directly."
- #endif
- #include <stdarg.h>
- #include <string.h>
- #include <glib/gmacros.h>
- #include <glib/gtypes.h>
- #include <glib/gerror.h>
- #include <glib/gmem.h>
- G_BEGIN_DECLS
- /* Functions like the ones in <ctype.h> that are not affected by locale. */
- typedef enum {
- G_ASCII_ALNUM = 1 << 0,
- G_ASCII_ALPHA = 1 << 1,
- G_ASCII_CNTRL = 1 << 2,
- G_ASCII_DIGIT = 1 << 3,
- G_ASCII_GRAPH = 1 << 4,
- G_ASCII_LOWER = 1 << 5,
- G_ASCII_PRINT = 1 << 6,
- G_ASCII_PUNCT = 1 << 7,
- G_ASCII_SPACE = 1 << 8,
- G_ASCII_UPPER = 1 << 9,
- G_ASCII_XDIGIT = 1 << 10
- } GAsciiType;
- GLIB_VAR const guint16 * const g_ascii_table;
- #define g_ascii_isalnum(c) \
- ((g_ascii_table[(guchar) (c)] & G_ASCII_ALNUM) != 0)
- #define g_ascii_isalpha(c) \
- ((g_ascii_table[(guchar) (c)] & G_ASCII_ALPHA) != 0)
- #define g_ascii_iscntrl(c) \
- ((g_ascii_table[(guchar) (c)] & G_ASCII_CNTRL) != 0)
- #define g_ascii_isdigit(c) \
- ((g_ascii_table[(guchar) (c)] & G_ASCII_DIGIT) != 0)
- #define g_ascii_isgraph(c) \
- ((g_ascii_table[(guchar) (c)] & G_ASCII_GRAPH) != 0)
- #define g_ascii_islower(c) \
- ((g_ascii_table[(guchar) (c)] & G_ASCII_LOWER) != 0)
- #define g_ascii_isprint(c) \
- ((g_ascii_table[(guchar) (c)] & G_ASCII_PRINT) != 0)
- #define g_ascii_ispunct(c) \
- ((g_ascii_table[(guchar) (c)] & G_ASCII_PUNCT) != 0)
- #define g_ascii_isspace(c) \
- ((g_ascii_table[(guchar) (c)] & G_ASCII_SPACE) != 0)
- #define g_ascii_isupper(c) \
- ((g_ascii_table[(guchar) (c)] & G_ASCII_UPPER) != 0)
- #define g_ascii_isxdigit(c) \
- ((g_ascii_table[(guchar) (c)] & G_ASCII_XDIGIT) != 0)
- GLIB_AVAILABLE_IN_ALL
- gchar g_ascii_tolower (gchar c) G_GNUC_CONST;
- GLIB_AVAILABLE_IN_ALL
- gchar g_ascii_toupper (gchar c) G_GNUC_CONST;
- GLIB_AVAILABLE_IN_ALL
- gint g_ascii_digit_value (gchar c) G_GNUC_CONST;
- GLIB_AVAILABLE_IN_ALL
- gint g_ascii_xdigit_value (gchar c) G_GNUC_CONST;
- /* String utility functions that modify a string argument or
- * return a constant string that must not be freed.
- */
- #define G_STR_DELIMITERS "_-|> <."
- GLIB_AVAILABLE_IN_ALL
- gchar* g_strdelimit (gchar *string,
- const gchar *delimiters,
- gchar new_delimiter);
- GLIB_AVAILABLE_IN_ALL
- gchar* g_strcanon (gchar *string,
- const gchar *valid_chars,
- gchar substitutor);
- GLIB_AVAILABLE_IN_ALL
- const gchar * g_strerror (gint errnum) G_GNUC_CONST;
- GLIB_AVAILABLE_IN_ALL
- const gchar * g_strsignal (gint signum) G_GNUC_CONST;
- GLIB_AVAILABLE_IN_ALL
- gchar * g_strreverse (gchar *string);
- GLIB_AVAILABLE_IN_ALL
- gsize g_strlcpy (gchar *dest,
- const gchar *src,
- gsize dest_size);
- GLIB_AVAILABLE_IN_ALL
- gsize g_strlcat (gchar *dest,
- const gchar *src,
- gsize dest_size);
- GLIB_AVAILABLE_IN_ALL
- gchar * g_strstr_len (const gchar *haystack,
- gssize haystack_len,
- const gchar *needle);
- GLIB_AVAILABLE_IN_ALL
- gchar * g_strrstr (const gchar *haystack,
- const gchar *needle);
- GLIB_AVAILABLE_IN_ALL
- gchar * g_strrstr_len (const gchar *haystack,
- gssize haystack_len,
- const gchar *needle);
- GLIB_AVAILABLE_IN_ALL
- gboolean (g_str_has_suffix) (const gchar *str,
- const gchar *suffix);
- GLIB_AVAILABLE_IN_ALL
- gboolean (g_str_has_prefix) (const gchar *str,
- const gchar *prefix);
- #if G_GNUC_CHECK_VERSION (2, 0)
- #ifndef __GTK_DOC_IGNORE__
- #ifndef __GI_SCANNER__
- /* This macro is defeat a false -Wnonnull warning in GCC.
- * Without it, it thinks strlen and memcmp may be getting passed NULL
- * despite the explicit check for NULL right above the calls.
- */
- #define _G_STR_NONNULL(x) ((x) + !(x))
- #define g_str_has_prefix(STR, PREFIX) \
- (__builtin_constant_p (PREFIX)? \
- G_GNUC_EXTENSION ({ \
- const char * const __str = (STR); \
- const char * const __prefix = (PREFIX); \
- gboolean __result = FALSE; \
- \
- if G_UNLIKELY (__str == NULL || __prefix == NULL) \
- __result = (g_str_has_prefix) (__str, __prefix); \
- else \
- { \
- const size_t __str_len = strlen (_G_STR_NONNULL (__str)); \
- const size_t __prefix_len = strlen (_G_STR_NONNULL (__prefix)); \
- if (__str_len >= __prefix_len) \
- __result = memcmp (_G_STR_NONNULL (__str), \
- _G_STR_NONNULL (__prefix), \
- __prefix_len) == 0; \
- } \
- __result; \
- }) \
- : \
- (g_str_has_prefix) (STR, PREFIX) \
- )
- #define g_str_has_suffix(STR, SUFFIX) \
- (__builtin_constant_p (SUFFIX)? \
- G_GNUC_EXTENSION ({ \
- const char * const __str = (STR); \
- const char * const __suffix = (SUFFIX); \
- gboolean __result = FALSE; \
- \
- if G_UNLIKELY (__str == NULL || __suffix == NULL) \
- __result = (g_str_has_suffix) (__str, __suffix); \
- else \
- { \
- const size_t __str_len = strlen (_G_STR_NONNULL (__str)); \
- const size_t __suffix_len = strlen (_G_STR_NONNULL (__suffix)); \
- if (__str_len >= __suffix_len) \
- __result = memcmp (__str + __str_len - __suffix_len, \
- _G_STR_NONNULL (__suffix), \
- __suffix_len) == 0; \
- } \
- __result; \
- }) \
- : \
- (g_str_has_suffix) (STR, SUFFIX) \
- )
- #endif /* !defined (__GI_SCANNER__) */
- #endif /* !defined (__GTK_DOC_IGNORE__) */
- #endif /* G_GNUC_CHECK_VERSION (2, 0) */
- /* String to/from double conversion functions */
- GLIB_AVAILABLE_IN_ALL
- gdouble g_strtod (const gchar *nptr,
- gchar **endptr);
- GLIB_AVAILABLE_IN_ALL
- gdouble g_ascii_strtod (const gchar *nptr,
- gchar **endptr);
- GLIB_AVAILABLE_IN_ALL
- guint64 g_ascii_strtoull (const gchar *nptr,
- gchar **endptr,
- guint base);
- GLIB_AVAILABLE_IN_ALL
- gint64 g_ascii_strtoll (const gchar *nptr,
- gchar **endptr,
- guint base);
- /* 29 bytes should enough for all possible values that
- * g_ascii_dtostr can produce.
- * Then add 10 for good measure */
- #define G_ASCII_DTOSTR_BUF_SIZE (29 + 10)
- GLIB_AVAILABLE_IN_ALL
- gchar * g_ascii_dtostr (gchar *buffer,
- gint buf_len,
- gdouble d);
- GLIB_AVAILABLE_IN_ALL
- gchar * g_ascii_formatd (gchar *buffer,
- gint buf_len,
- const gchar *format,
- gdouble d);
- /* removes leading spaces */
- GLIB_AVAILABLE_IN_ALL
- gchar* g_strchug (gchar *string);
- /* removes trailing spaces */
- GLIB_AVAILABLE_IN_ALL
- gchar* g_strchomp (gchar *string);
- /* removes leading & trailing spaces */
- #define g_strstrip( string ) g_strchomp (g_strchug (string))
- GLIB_AVAILABLE_IN_ALL
- gint g_ascii_strcasecmp (const gchar *s1,
- const gchar *s2);
- GLIB_AVAILABLE_IN_ALL
- gint g_ascii_strncasecmp (const gchar *s1,
- const gchar *s2,
- gsize n);
- GLIB_AVAILABLE_IN_ALL
- gchar* g_ascii_strdown (const gchar *str,
- gssize len) G_GNUC_MALLOC;
- GLIB_AVAILABLE_IN_ALL
- gchar* g_ascii_strup (const gchar *str,
- gssize len) G_GNUC_MALLOC;
- GLIB_AVAILABLE_IN_2_40
- gboolean g_str_is_ascii (const gchar *str);
- GLIB_DEPRECATED
- gint g_strcasecmp (const gchar *s1,
- const gchar *s2);
- GLIB_DEPRECATED
- gint g_strncasecmp (const gchar *s1,
- const gchar *s2,
- guint n);
- GLIB_DEPRECATED
- gchar* g_strdown (gchar *string);
- GLIB_DEPRECATED
- gchar* g_strup (gchar *string);
- /* String utility functions that return a newly allocated string which
- * ought to be freed with g_free from the caller at some point.
- */
- GLIB_AVAILABLE_IN_ALL
- gchar* (g_strdup) (const gchar *str) G_GNUC_MALLOC;
- GLIB_AVAILABLE_IN_ALL
- gchar* g_strdup_printf (const gchar *format,
- ...) G_GNUC_PRINTF (1, 2) G_GNUC_MALLOC;
- GLIB_AVAILABLE_IN_ALL
- gchar* g_strdup_vprintf (const gchar *format,
- va_list args) G_GNUC_PRINTF(1, 0) G_GNUC_MALLOC;
- GLIB_AVAILABLE_IN_ALL
- gchar* g_strndup (const gchar *str,
- gsize n) G_GNUC_MALLOC;
- GLIB_AVAILABLE_IN_ALL
- gchar* g_strnfill (gsize length,
- gchar fill_char) G_GNUC_MALLOC;
- GLIB_AVAILABLE_IN_ALL
- gchar* g_strconcat (const gchar *string1,
- ...) G_GNUC_MALLOC G_GNUC_NULL_TERMINATED;
- GLIB_AVAILABLE_IN_ALL
- gchar* g_strjoin (const gchar *separator,
- ...) G_GNUC_MALLOC G_GNUC_NULL_TERMINATED;
- #if G_GNUC_CHECK_VERSION(2, 0)
- #ifndef __GTK_DOC_IGNORE__
- #ifndef __GI_SCANNER__
- G_ALWAYS_INLINE static inline char *
- g_strdup_inline (const char *str)
- {
- if (__builtin_constant_p (!str) && !str)
- return NULL;
- if (__builtin_constant_p (!!str) && !!str && __builtin_constant_p (strlen (str)))
- {
- const size_t len = strlen (str) + 1;
- char *dup_str = (char *) g_malloc (len);
- return (char *) memcpy (dup_str, str, len);
- }
- return g_strdup (str);
- }
- #define g_strdup(x) g_strdup_inline (x)
- #endif /* !defined (__GI_SCANNER__) */
- #endif /* !defined (__GTK_DOC_IGNORE__) */
- #endif /* G_GNUC_CHECK_VERSION (2, 0) */
- GLIB_AVAILABLE_IN_ALL
- gchar* g_strcompress (const gchar *source) G_GNUC_MALLOC;
- GLIB_AVAILABLE_IN_ALL
- gchar* g_strescape (const gchar *source,
- const gchar *exceptions) G_GNUC_MALLOC;
- GLIB_DEPRECATED_IN_2_68_FOR (g_memdup2)
- gpointer g_memdup (gconstpointer mem,
- guint byte_size) G_GNUC_ALLOC_SIZE(2);
- GLIB_AVAILABLE_IN_2_68
- gpointer g_memdup2 (gconstpointer mem,
- gsize byte_size) G_GNUC_ALLOC_SIZE(2);
- /* NULL terminated string arrays.
- * g_strsplit(), g_strsplit_set() split up string into max_tokens tokens
- * at delim and return a newly allocated string array.
- * g_strjoinv() concatenates all of str_array's strings, sliding in an
- * optional separator, the returned string is newly allocated.
- * g_strfreev() frees the array itself and all of its strings.
- * g_strdupv() copies a NULL-terminated array of strings
- * g_strv_length() returns the length of a NULL-terminated array of strings
- */
- typedef gchar** GStrv;
- GLIB_AVAILABLE_IN_ALL
- gchar** g_strsplit (const gchar *string,
- const gchar *delimiter,
- gint max_tokens);
- GLIB_AVAILABLE_IN_ALL
- gchar ** g_strsplit_set (const gchar *string,
- const gchar *delimiters,
- gint max_tokens);
- GLIB_AVAILABLE_IN_ALL
- gchar* g_strjoinv (const gchar *separator,
- gchar **str_array) G_GNUC_MALLOC;
- GLIB_AVAILABLE_IN_ALL
- void g_strfreev (gchar **str_array);
- GLIB_AVAILABLE_IN_ALL
- gchar** g_strdupv (gchar **str_array);
- GLIB_AVAILABLE_IN_ALL
- guint g_strv_length (gchar **str_array);
- GLIB_AVAILABLE_IN_ALL
- gchar* g_stpcpy (gchar *dest,
- const char *src);
- GLIB_AVAILABLE_IN_2_40
- gchar * g_str_to_ascii (const gchar *str,
- const gchar *from_locale);
- GLIB_AVAILABLE_IN_2_40
- gchar ** g_str_tokenize_and_fold (const gchar *string,
- const gchar *translit_locale,
- gchar ***ascii_alternates);
- GLIB_AVAILABLE_IN_2_40
- gboolean g_str_match_string (const gchar *search_term,
- const gchar *potential_hit,
- gboolean accept_alternates);
- GLIB_AVAILABLE_IN_2_44
- gboolean g_strv_contains (const gchar * const *strv,
- const gchar *str);
- GLIB_AVAILABLE_IN_2_60
- gboolean g_strv_equal (const gchar * const *strv1,
- const gchar * const *strv2);
- /* Convenience ASCII string to number API */
- /**
- * GNumberParserError:
- * @G_NUMBER_PARSER_ERROR_INVALID: string was not a valid number
- * @G_NUMBER_PARSER_ERROR_OUT_OF_BOUNDS: string was a number, but out of bounds
- *
- * Error codes returned by functions converting a string to a number.
- *
- * Since: 2.54
- */
- typedef enum
- {
- G_NUMBER_PARSER_ERROR_INVALID,
- G_NUMBER_PARSER_ERROR_OUT_OF_BOUNDS,
- } GNumberParserError;
- /**
- * G_NUMBER_PARSER_ERROR:
- *
- * Domain for errors returned by functions converting a string to a
- * number.
- *
- * Since: 2.54
- */
- #define G_NUMBER_PARSER_ERROR (g_number_parser_error_quark ())
- GLIB_AVAILABLE_IN_2_54
- GQuark g_number_parser_error_quark (void);
- GLIB_AVAILABLE_IN_2_54
- gboolean g_ascii_string_to_signed (const gchar *str,
- guint base,
- gint64 min,
- gint64 max,
- gint64 *out_num,
- GError **error);
- GLIB_AVAILABLE_IN_2_54
- gboolean g_ascii_string_to_unsigned (const gchar *str,
- guint base,
- guint64 min,
- guint64 max,
- guint64 *out_num,
- GError **error);
- /**
- * g_set_str: (skip)
- * @str_pointer: (inout) (not optional) (nullable): a pointer to either
- * a string or `NULL`
- * @new_str: (nullable): a string to assign to @str_pointer
- *
- * Updates a pointer to a string to a copy of @new_str and returns whether the
- * string was changed.
- *
- * If @new_str matches the previous string, this function is a no-op. If
- * @new_str is different, a copy of it will be assigned to @str_pointer and
- * the previous string pointed to by @str_pointer will be freed with
- * [func@GLib.free].
- *
- * @str_pointer must not be `NULL`, but can point to a `NULL` value.
- *
- * One convenient usage of this function is in implementing property settings:
- * ```C
- * void
- * foo_set_bar (Foo *foo,
- * const char *new_bar)
- * {
- * g_return_if_fail (IS_FOO (foo));
- *
- * if (g_set_str (&foo->bar, new_bar))
- * g_object_notify (foo, "bar");
- * }
- * ```
- *
- * Returns: true if the value of @str_pointer changed, false otherwise
- *
- * Since: 2.76
- */
- GLIB_AVAILABLE_STATIC_INLINE_IN_2_76
- static inline gboolean
- g_set_str (char **str_pointer,
- const char *new_str)
- {
- char *copy;
- if (*str_pointer == new_str ||
- (*str_pointer && new_str && strcmp (*str_pointer, new_str) == 0))
- return FALSE;
- copy = g_strdup (new_str);
- g_free (*str_pointer);
- *str_pointer = copy;
- return TRUE;
- }
- G_END_DECLS
- #endif /* __G_STRFUNCS_H__ */
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