1/* GLIB - Library of useful routines for C programming 2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU 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. 8 * 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. 13 * 14 * You should have received a copy of the GNU 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. 18 */ 19 20/* 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/. 25 */ 26 27/* 28 * Modified by Bruno Haible for use as a gnulib module. 29 */ 30 31#ifndef __G_STRFUNCS_H__ 32#define __G_STRFUNCS_H__ 33 34#include <stdarg.h> 35#include <glib/gtypes.h> 36 37G_BEGIN_DECLS 38 39/* Functions like the ones in <ctype.h> that are not affected by locale. */ 40typedef enum { 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 52} GAsciiType; 53 54GLIB_VAR const guint16 * const g_ascii_table; 55 56#define g_ascii_isalnum(c) \ 57 ((g_ascii_table[(guchar) (c)] & G_ASCII_ALNUM) != 0) 58 59#define g_ascii_isalpha(c) \ 60 ((g_ascii_table[(guchar) (c)] & G_ASCII_ALPHA) != 0) 61 62#define g_ascii_iscntrl(c) \ 63 ((g_ascii_table[(guchar) (c)] & G_ASCII_CNTRL) != 0) 64 65#define g_ascii_isdigit(c) \ 66 ((g_ascii_table[(guchar) (c)] & G_ASCII_DIGIT) != 0) 67 68#define g_ascii_isgraph(c) \ 69 ((g_ascii_table[(guchar) (c)] & G_ASCII_GRAPH) != 0) 70 71#define g_ascii_islower(c) \ 72 ((g_ascii_table[(guchar) (c)] & G_ASCII_LOWER) != 0) 73 74#define g_ascii_isprint(c) \ 75 ((g_ascii_table[(guchar) (c)] & G_ASCII_PRINT) != 0) 76 77#define g_ascii_ispunct(c) \ 78 ((g_ascii_table[(guchar) (c)] & G_ASCII_PUNCT) != 0) 79 80#define g_ascii_isspace(c) \ 81 ((g_ascii_table[(guchar) (c)] & G_ASCII_SPACE) != 0) 82 83#define g_ascii_isupper(c) \ 84 ((g_ascii_table[(guchar) (c)] & G_ASCII_UPPER) != 0) 85 86#define g_ascii_isxdigit(c) \ 87 ((g_ascii_table[(guchar) (c)] & G_ASCII_XDIGIT) != 0) 88 89#if 0 90gchar g_ascii_tolower (gchar c) G_GNUC_CONST; 91#endif 92gchar g_ascii_toupper (gchar c) G_GNUC_CONST; 93 94#if 0 95gint g_ascii_digit_value (gchar c) G_GNUC_CONST; 96gint g_ascii_xdigit_value (gchar c) G_GNUC_CONST; 97 98/* String utility functions that modify a string argument or 99 * return a constant string that must not be freed. 100 */ 101#define G_STR_DELIMITERS "_-|> <." 102gchar* g_strdelimit (gchar *string, 103 const gchar *delimiters, 104 gchar new_delimiter); 105gchar* g_strcanon (gchar *string, 106 const gchar *valid_chars, 107 gchar substitutor); 108G_CONST_RETURN gchar* g_strerror (gint errnum) G_GNUC_CONST; 109G_CONST_RETURN gchar* g_strsignal (gint signum) G_GNUC_CONST; 110gchar* g_strreverse (gchar *string); 111gsize g_strlcpy (gchar *dest, 112 const gchar *src, 113 gsize dest_size); 114gsize g_strlcat (gchar *dest, 115 const gchar *src, 116 gsize dest_size); 117#endif 118gchar * g_strstr_len (const gchar *haystack, 119 gssize haystack_len, 120 const gchar *needle); 121#if 0 122gchar * g_strrstr (const gchar *haystack, 123 const gchar *needle); 124gchar * g_strrstr_len (const gchar *haystack, 125 gssize haystack_len, 126 const gchar *needle); 127 128gboolean g_str_has_suffix (const gchar *str, 129 const gchar *suffix); 130gboolean g_str_has_prefix (const gchar *str, 131 const gchar *prefix); 132 133/* String to/from double conversion functions */ 134 135gdouble g_strtod (const gchar *nptr, 136 gchar **endptr); 137gdouble g_ascii_strtod (const gchar *nptr, 138 gchar **endptr); 139guint64 g_ascii_strtoull (const gchar *nptr, 140 gchar **endptr, 141 guint base); 142gint64 g_ascii_strtoll (const gchar *nptr, 143 gchar **endptr, 144 guint base); 145/* 29 bytes should enough for all possible values that 146 * g_ascii_dtostr can produce. 147 * Then add 10 for good measure */ 148#define G_ASCII_DTOSTR_BUF_SIZE (29 + 10) 149gchar * g_ascii_dtostr (gchar *buffer, 150 gint buf_len, 151 gdouble d); 152gchar * g_ascii_formatd (gchar *buffer, 153 gint buf_len, 154 const gchar *format, 155 gdouble d); 156 157/* removes leading spaces */ 158gchar* g_strchug (gchar *string); 159/* removes trailing spaces */ 160gchar* g_strchomp (gchar *string); 161/* removes leading & trailing spaces */ 162#define g_strstrip( string ) g_strchomp (g_strchug (string)) 163 164gint g_ascii_strcasecmp (const gchar *s1, 165 const gchar *s2); 166gint g_ascii_strncasecmp (const gchar *s1, 167 const gchar *s2, 168 gsize n); 169gchar* g_ascii_strdown (const gchar *str, 170 gssize len) G_GNUC_MALLOC; 171#endif 172gchar* g_ascii_strup (const gchar *str, 173 gssize len) G_GNUC_MALLOC; 174 175#if 0 176 177#ifndef G_DISABLE_DEPRECATED 178 179/* The following four functions are deprecated and will be removed in 180 * the next major release. They use the locale-specific tolower and 181 * toupper, which is almost never the right thing. 182 */ 183 184gint g_strcasecmp (const gchar *s1, 185 const gchar *s2); 186gint g_strncasecmp (const gchar *s1, 187 const gchar *s2, 188 guint n); 189gchar* g_strdown (gchar *string); 190gchar* g_strup (gchar *string); 191 192#endif /* G_DISABLE_DEPRECATED */ 193 194#endif 195 196/* String utility functions that return a newly allocated string which 197 * ought to be freed with g_free from the caller at some point. 198 */ 199gchar* g_strdup (const gchar *str) G_GNUC_MALLOC; 200gchar* g_strdup_printf (const gchar *format, 201 ...) G_GNUC_PRINTF (1, 2) G_GNUC_MALLOC; 202#if 0 203gchar* g_strdup_vprintf (const gchar *format, 204 va_list args) G_GNUC_MALLOC; 205#endif 206gchar* g_strndup (const gchar *str, 207 gsize n) G_GNUC_MALLOC; 208#if 0 209gchar* g_strnfill (gsize length, 210 gchar fill_char) G_GNUC_MALLOC; 211#endif 212gchar* g_strconcat (const gchar *string1, 213 ...) G_GNUC_MALLOC G_GNUC_NULL_TERMINATED; 214#if 0 215gchar* g_strjoin (const gchar *separator, 216 ...) G_GNUC_MALLOC G_GNUC_NULL_TERMINATED; 217 218/* Make a copy of a string interpreting C string -style escape 219 * sequences. Inverse of g_strescape. The recognized sequences are \b 220 * \f \n \r \t \\ \" and the octal format. 221 */ 222gchar* g_strcompress (const gchar *source) G_GNUC_MALLOC; 223 224/* Copy a string escaping nonprintable characters like in C strings. 225 * Inverse of g_strcompress. The exceptions parameter, if non-NULL, points 226 * to a string containing characters that are not to be escaped. 227 * 228 * Deprecated API: gchar* g_strescape (const gchar *source); 229 * Luckily this function wasn't used much, using NULL as second parameter 230 * provides mostly identical semantics. 231 */ 232gchar* g_strescape (const gchar *source, 233 const gchar *exceptions) G_GNUC_MALLOC; 234 235gpointer g_memdup (gconstpointer mem, 236 guint byte_size) G_GNUC_MALLOC; 237 238/* NULL terminated string arrays. 239 * g_strsplit(), g_strsplit_set() split up string into max_tokens tokens 240 * at delim and return a newly allocated string array. 241 * g_strjoinv() concatenates all of str_array's strings, sliding in an 242 * optional separator, the returned string is newly allocated. 243 * g_strfreev() frees the array itself and all of its strings. 244 * g_strdupv() copies a NULL-terminated array of strings 245 * g_strv_length() returns the length of a NULL-terminated array of strings 246 */ 247gchar** g_strsplit (const gchar *string, 248 const gchar *delimiter, 249 gint max_tokens) G_GNUC_MALLOC; 250gchar ** g_strsplit_set (const gchar *string, 251 const gchar *delimiters, 252 gint max_tokens) G_GNUC_MALLOC; 253gchar* g_strjoinv (const gchar *separator, 254 gchar **str_array) G_GNUC_MALLOC; 255void g_strfreev (gchar **str_array); 256gchar** g_strdupv (gchar **str_array) G_GNUC_MALLOC; 257guint g_strv_length (gchar **str_array); 258 259gchar* g_stpcpy (gchar *dest, 260 const char *src); 261 262G_CONST_RETURN gchar *g_strip_context (const gchar *msgid, 263 const gchar *msgval); 264 265#endif 266 267G_END_DECLS 268 269#endif /* __G_STRFUNCS_H__ */ 270