1 /* GLIB - Library of useful routines for C programming
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 * Modified by the GLib Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GLib Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GLib at ftp://ftp.gtk.org/pub/gtk/.
27 #if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
28 #error "Only <glib.h> can be included directly."
31 #ifndef __G_STRFUNCS_H__
32 #define __G_STRFUNCS_H__
35 #include <glib/gtypes.h>
39 /* Functions like the ones in <ctype.h> that are not affected by locale. */
41 G_ASCII_ALNUM
= 1 << 0,
42 G_ASCII_ALPHA
= 1 << 1,
43 G_ASCII_CNTRL
= 1 << 2,
44 G_ASCII_DIGIT
= 1 << 3,
45 G_ASCII_GRAPH
= 1 << 4,
46 G_ASCII_LOWER
= 1 << 5,
47 G_ASCII_PRINT
= 1 << 6,
48 G_ASCII_PUNCT
= 1 << 7,
49 G_ASCII_SPACE
= 1 << 8,
50 G_ASCII_UPPER
= 1 << 9,
51 G_ASCII_XDIGIT
= 1 << 10
54 GLIB_VAR
const guint16
* const g_ascii_table
;
56 #define g_ascii_isalnum(c) \
57 ((g_ascii_table[(guchar) (c)] & G_ASCII_ALNUM) != 0)
59 #define g_ascii_isalpha(c) \
60 ((g_ascii_table[(guchar) (c)] & G_ASCII_ALPHA) != 0)
62 #define g_ascii_iscntrl(c) \
63 ((g_ascii_table[(guchar) (c)] & G_ASCII_CNTRL) != 0)
65 #define g_ascii_isdigit(c) \
66 ((g_ascii_table[(guchar) (c)] & G_ASCII_DIGIT) != 0)
68 #define g_ascii_isgraph(c) \
69 ((g_ascii_table[(guchar) (c)] & G_ASCII_GRAPH) != 0)
71 #define g_ascii_islower(c) \
72 ((g_ascii_table[(guchar) (c)] & G_ASCII_LOWER) != 0)
74 #define g_ascii_isprint(c) \
75 ((g_ascii_table[(guchar) (c)] & G_ASCII_PRINT) != 0)
77 #define g_ascii_ispunct(c) \
78 ((g_ascii_table[(guchar) (c)] & G_ASCII_PUNCT) != 0)
80 #define g_ascii_isspace(c) \
81 ((g_ascii_table[(guchar) (c)] & G_ASCII_SPACE) != 0)
83 #define g_ascii_isupper(c) \
84 ((g_ascii_table[(guchar) (c)] & G_ASCII_UPPER) != 0)
86 #define g_ascii_isxdigit(c) \
87 ((g_ascii_table[(guchar) (c)] & G_ASCII_XDIGIT) != 0)
89 gchar
g_ascii_tolower (gchar c
) G_GNUC_CONST
;
90 gchar
g_ascii_toupper (gchar c
) G_GNUC_CONST
;
92 gint
g_ascii_digit_value (gchar c
) G_GNUC_CONST
;
93 gint
g_ascii_xdigit_value (gchar c
) G_GNUC_CONST
;
95 /* String utility functions that modify a string argument or
96 * return a constant string that must not be freed.
98 #define G_STR_DELIMITERS "_-|> <."
99 gchar
* g_strdelimit (gchar
*string
,
100 const gchar
*delimiters
,
101 gchar new_delimiter
);
102 gchar
* g_strcanon (gchar
*string
,
103 const gchar
*valid_chars
,
105 G_CONST_RETURN gchar
* g_strerror (gint errnum
) G_GNUC_CONST
;
106 G_CONST_RETURN gchar
* g_strsignal (gint signum
) G_GNUC_CONST
;
107 gchar
* g_strreverse (gchar
*string
);
108 gsize
g_strlcpy (gchar
*dest
,
111 gsize
g_strlcat (gchar
*dest
,
114 gchar
* g_strstr_len (const gchar
*haystack
,
116 const gchar
*needle
);
117 gchar
* g_strrstr (const gchar
*haystack
,
118 const gchar
*needle
);
119 gchar
* g_strrstr_len (const gchar
*haystack
,
121 const gchar
*needle
);
123 gboolean
g_str_has_suffix (const gchar
*str
,
124 const gchar
*suffix
);
125 gboolean
g_str_has_prefix (const gchar
*str
,
126 const gchar
*prefix
);
128 /* String to/from double conversion functions */
130 gdouble
g_strtod (const gchar
*nptr
,
132 gdouble
g_ascii_strtod (const gchar
*nptr
,
134 guint64
g_ascii_strtoull (const gchar
*nptr
,
137 gint64
g_ascii_strtoll (const gchar
*nptr
,
140 /* 29 bytes should enough for all possible values that
141 * g_ascii_dtostr can produce.
142 * Then add 10 for good measure */
143 #define G_ASCII_DTOSTR_BUF_SIZE (29 + 10)
144 gchar
* g_ascii_dtostr (gchar
*buffer
,
147 gchar
* g_ascii_formatd (gchar
*buffer
,
152 /* removes leading spaces */
153 gchar
* g_strchug (gchar
*string
);
154 /* removes trailing spaces */
155 gchar
* g_strchomp (gchar
*string
);
156 /* removes leading & trailing spaces */
157 #define g_strstrip( string ) g_strchomp (g_strchug (string))
159 gint
g_ascii_strcasecmp (const gchar
*s1
,
161 gint
g_ascii_strncasecmp (const gchar
*s1
,
164 gchar
* g_ascii_strdown (const gchar
*str
,
165 gssize len
) G_GNUC_MALLOC
;
166 gchar
* g_ascii_strup (const gchar
*str
,
167 gssize len
) G_GNUC_MALLOC
;
169 #ifndef G_DISABLE_DEPRECATED
171 /* The following four functions are deprecated and will be removed in
172 * the next major release. They use the locale-specific tolower and
173 * toupper, which is almost never the right thing.
176 gint
g_strcasecmp (const gchar
*s1
,
178 gint
g_strncasecmp (const gchar
*s1
,
181 gchar
* g_strdown (gchar
*string
);
182 gchar
* g_strup (gchar
*string
);
184 #endif /* G_DISABLE_DEPRECATED */
186 /* String utility functions that return a newly allocated string which
187 * ought to be freed with g_free from the caller at some point.
189 gchar
* g_strdup (const gchar
*str
) G_GNUC_MALLOC
;
190 gchar
* g_strdup_printf (const gchar
*format
,
191 ...) G_GNUC_PRINTF (1, 2) G_GNUC_MALLOC
;
192 gchar
* g_strdup_vprintf (const gchar
*format
,
193 va_list args
) G_GNUC_MALLOC
;
194 gchar
* g_strndup (const gchar
*str
,
195 gsize n
) G_GNUC_MALLOC
;
196 gchar
* g_strnfill (gsize length
,
197 gchar fill_char
) G_GNUC_MALLOC
;
198 gchar
* g_strconcat (const gchar
*string1
,
199 ...) G_GNUC_MALLOC G_GNUC_NULL_TERMINATED
;
200 gchar
* g_strjoin (const gchar
*separator
,
201 ...) G_GNUC_MALLOC G_GNUC_NULL_TERMINATED
;
203 /* Make a copy of a string interpreting C string -style escape
204 * sequences. Inverse of g_strescape. The recognized sequences are \b
205 * \f \n \r \t \\ \" and the octal format.
207 gchar
* g_strcompress (const gchar
*source
) G_GNUC_MALLOC
;
209 /* Copy a string escaping nonprintable characters like in C strings.
210 * Inverse of g_strcompress. The exceptions parameter, if non-NULL, points
211 * to a string containing characters that are not to be escaped.
213 * Deprecated API: gchar* g_strescape (const gchar *source);
214 * Luckily this function wasn't used much, using NULL as second parameter
215 * provides mostly identical semantics.
217 gchar
* g_strescape (const gchar
*source
,
218 const gchar
*exceptions
) G_GNUC_MALLOC
;
220 gpointer
g_memdup (gconstpointer mem
,
221 guint byte_size
) G_GNUC_MALLOC
G_GNUC_ALLOC_SIZE(2);
223 /* NULL terminated string arrays.
224 * g_strsplit(), g_strsplit_set() split up string into max_tokens tokens
225 * at delim and return a newly allocated string array.
226 * g_strjoinv() concatenates all of str_array's strings, sliding in an
227 * optional separator, the returned string is newly allocated.
228 * g_strfreev() frees the array itself and all of its strings.
229 * g_strdupv() copies a NULL-terminated array of strings
230 * g_strv_length() returns the length of a NULL-terminated array of strings
232 gchar
** g_strsplit (const gchar
*string
,
233 const gchar
*delimiter
,
234 gint max_tokens
) G_GNUC_MALLOC
;
235 gchar
** g_strsplit_set (const gchar
*string
,
236 const gchar
*delimiters
,
237 gint max_tokens
) G_GNUC_MALLOC
;
238 gchar
* g_strjoinv (const gchar
*separator
,
239 gchar
**str_array
) G_GNUC_MALLOC
;
240 void g_strfreev (gchar
**str_array
);
241 gchar
** g_strdupv (gchar
**str_array
) G_GNUC_MALLOC
;
242 guint
g_strv_length (gchar
**str_array
);
244 gchar
* g_stpcpy (gchar
*dest
,
247 G_CONST_RETURN gchar
*g_strip_context (const gchar
*msgid
,
248 const gchar
*msgval
) G_GNUC_FORMAT(1);
250 G_CONST_RETURN gchar
*g_dgettext (const gchar
*domain
,
251 const gchar
*msgid
) G_GNUC_FORMAT(2);
253 G_CONST_RETURN gchar
*g_dngettext (const gchar
*domain
,
255 const gchar
*msgid_plural
,
256 gulong n
) G_GNUC_FORMAT(3);
257 G_CONST_RETURN gchar
*g_dpgettext (const gchar
*domain
,
258 const gchar
*msgctxtid
,
259 gsize msgidoffset
) G_GNUC_FORMAT(2);
260 G_CONST_RETURN gchar
*g_dpgettext2 (const gchar
*domain
,
261 const gchar
*context
,
262 const gchar
*msgid
) G_GNUC_FORMAT(3);
266 #endif /* __G_STRFUNCS_H__ */