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/.
33 #define _GNU_SOURCE /* For stpcpy */
41 #include <ctype.h> /* For tolower() */
42 #if !defined (HAVE_STRSIGNAL) || !defined(NO_SYS_SIGLIST_DECL)
48 #include "gprintfint.h"
56 /* do not include <unistd.h> in this place since it
57 * interferes with g_strsignal() on some OSes
60 static const guint16 ascii_table_data[256] = {
61 0x004, 0x004, 0x004, 0x004, 0x004, 0x004, 0x004, 0x004,
62 0x004, 0x104, 0x104, 0x004, 0x104, 0x104, 0x004, 0x004,
63 0x004, 0x004, 0x004, 0x004, 0x004, 0x004, 0x004, 0x004,
64 0x004, 0x004, 0x004, 0x004, 0x004, 0x004, 0x004, 0x004,
65 0x140, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0,
66 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0,
67 0x459, 0x459, 0x459, 0x459, 0x459, 0x459, 0x459, 0x459,
68 0x459, 0x459, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0,
69 0x0d0, 0x653, 0x653, 0x653, 0x653, 0x653, 0x653, 0x253,
70 0x253, 0x253, 0x253, 0x253, 0x253, 0x253, 0x253, 0x253,
71 0x253, 0x253, 0x253, 0x253, 0x253, 0x253, 0x253, 0x253,
72 0x253, 0x253, 0x253, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0,
73 0x0d0, 0x473, 0x473, 0x473, 0x473, 0x473, 0x473, 0x073,
74 0x073, 0x073, 0x073, 0x073, 0x073, 0x073, 0x073, 0x073,
75 0x073, 0x073, 0x073, 0x073, 0x073, 0x073, 0x073, 0x073,
76 0x073, 0x073, 0x073, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x004
77 /* the upper 128 are all zeroes */
80 const guint16 * const g_ascii_table = ascii_table_data;
83 g_strdup (const gchar *str)
90 length = strlen (str) + 1;
91 new_str = g_new (char, length);
92 memcpy (new_str, str, length);
101 g_memdup (gconstpointer mem,
108 new_mem = g_malloc (byte_size);
109 memcpy (new_mem, mem, byte_size);
119 * @str: the string to duplicate
120 * @n: the maximum number of bytes to copy from @str
122 * Duplicates the first @n bytes of a string, returning a newly-allocated
123 * buffer @n + 1 bytes long which will always be nul-terminated.
124 * If @str is less than @n bytes long the buffer is padded with nuls.
125 * If @str is %NULL it returns %NULL.
126 * The returned value should be freed when no longer needed.
129 * To copy a number of characters from a UTF-8 encoded string, use
130 * g_utf8_strncpy() instead.
133 * Returns: a newly-allocated buffer containing the first @n bytes
134 * of @str, nul-terminated
137 g_strndup (const gchar *str,
144 new_str = g_new (gchar, n + 1);
145 strncpy (new_str, str, n);
156 * @length: the length of the new string
157 * @fill_char: the byte to fill the string with
159 * Creates a new string @length bytes long filled with @fill_char.
160 * The returned string should be freed when no longer needed.
162 * Returns: a newly-allocated string filled the @fill_char
165 g_strnfill (gsize length,
170 str = g_new (gchar, length + 1);
171 memset (str, (guchar)fill_char, length);
179 * @dest: destination buffer.
180 * @src: source string.
182 * Copies a nul-terminated string into the dest buffer, include the
183 * trailing nul, and return a pointer to the trailing nul byte.
184 * This is useful for concatenating multiple strings together
185 * without having to repeatedly scan for the end.
187 * Return value: a pointer to trailing nul byte.
190 g_stpcpy (gchar *dest,
194 g_return_val_if_fail (dest != NULL, NULL);
195 g_return_val_if_fail (src != NULL, NULL);
196 return stpcpy (dest, src);
198 register gchar *d = dest;
199 register const gchar *s = src;
201 g_return_val_if_fail (dest != NULL, NULL);
202 g_return_val_if_fail (src != NULL, NULL);
205 while (*s++ != '\0');
212 g_strdup_vprintf (const gchar *format,
215 gchar *string = NULL;
217 g_vasprintf (&string, format, args);
223 g_strdup_printf (const gchar *format,
229 va_start (args, format);
230 buffer = g_strdup_vprintf (format, args);
237 g_strconcat (const gchar *string1, ...)
248 l = 1 + strlen (string1);
249 va_start (args, string1);
250 s = va_arg (args, gchar*);
254 s = va_arg (args, gchar*);
258 concat = g_new (gchar, l);
261 ptr = g_stpcpy (ptr, string1);
262 va_start (args, string1);
263 s = va_arg (args, gchar*);
266 ptr = g_stpcpy (ptr, s);
267 s = va_arg (args, gchar*);
276 * @nptr: the string to convert to a numeric value.
277 * @endptr: if non-%NULL, it returns the character after
278 * the last character used in the conversion.
280 * Converts a string to a #gdouble value.
281 * It calls the standard strtod() function to handle the conversion, but
282 * if the string is not completely converted it attempts the conversion
283 * again with g_ascii_strtod(), and returns the best match.
285 * This function should seldomly be used. The normal situation when reading
286 * numbers not for human consumption is to use g_ascii_strtod(). Only when
287 * you know that you must expect both locale formatted and C formatted numbers
288 * should you use this. Make sure that you don't pass strings such as comma
289 * separated lists of values, since the commas may be interpreted as a decimal
290 * point in some locales, causing unexpected results.
292 * Return value: the #gdouble value.
295 g_strtod (const gchar *nptr,
303 g_return_val_if_fail (nptr != NULL, 0);
308 val_1 = strtod (nptr, &fail_pos_1);
310 if (fail_pos_1 && fail_pos_1[0] != 0)
311 val_2 = g_ascii_strtod (nptr, &fail_pos_2);
313 if (!fail_pos_1 || fail_pos_1[0] == 0 || fail_pos_1 >= fail_pos_2)
316 *endptr = fail_pos_1;
322 *endptr = fail_pos_2;
329 * @nptr: the string to convert to a numeric value.
330 * @endptr: if non-%NULL, it returns the character after
331 * the last character used in the conversion.
333 * Converts a string to a #gdouble value.
334 * This function behaves like the standard strtod() function
335 * does in the C locale. It does this without actually
336 * changing the current locale, since that would not be
339 * This function is typically used when reading configuration
340 * files or other non-user input that should be locale independent.
341 * To handle input from the user you should normally use the
342 * locale-sensitive system strtod() function.
344 * To convert from a #gdouble to a string in a locale-insensitive
345 * way, use g_ascii_dtostr().
347 * If the correct value would cause overflow, plus or minus %HUGE_VAL
348 * is returned (according to the sign of the value), and %ERANGE is
349 * stored in %errno. If the correct value would cause underflow,
350 * zero is returned and %ERANGE is stored in %errno.
352 * This function resets %errno before calling strtod() so that
353 * you can reliably detect overflow and underflow.
355 * Return value: the #gdouble value.
358 g_ascii_strtod (const gchar *nptr,
363 struct lconv *locale_data;
364 const char *decimal_point;
365 int decimal_point_len;
366 const char *p, *decimal_point_pos;
367 const char *end = NULL; /* Silence gcc */
370 g_return_val_if_fail (nptr != NULL, 0);
374 locale_data = localeconv ();
375 decimal_point = locale_data->decimal_point;
376 decimal_point_len = strlen (decimal_point);
378 g_assert (decimal_point_len != 0);
380 decimal_point_pos = NULL;
383 if (decimal_point[0] != '.' ||
384 decimal_point[1] != 0)
387 /* Skip leading space */
388 while (g_ascii_isspace (*p))
391 /* Skip leading optional sign */
392 if (*p == '+' || *p == '-')
396 (p[1] == 'x' || p[1] == 'X'))
399 /* HEX - find the (optional) decimal point */
401 while (g_ascii_isxdigit (*p))
405 decimal_point_pos = p++;
407 while (g_ascii_isxdigit (*p))
410 if (*p == 'p' || *p == 'P')
412 if (*p == '+' || *p == '-')
414 while (g_ascii_isdigit (*p))
419 else if (g_ascii_isdigit (*p) || *p == '.')
421 while (g_ascii_isdigit (*p))
425 decimal_point_pos = p++;
427 while (g_ascii_isdigit (*p))
430 if (*p == 'e' || *p == 'E')
432 if (*p == '+' || *p == '-')
434 while (g_ascii_isdigit (*p))
439 /* For the other cases, we need not convert the decimal point */
442 if (decimal_point_pos)
446 /* We need to convert the '.' to the locale specific decimal point */
447 copy = g_malloc (end - nptr + 1 + decimal_point_len);
450 memcpy (c, nptr, decimal_point_pos - nptr);
451 c += decimal_point_pos - nptr;
452 memcpy (c, decimal_point, decimal_point_len);
453 c += decimal_point_len;
454 memcpy (c, decimal_point_pos + 1, end - (decimal_point_pos + 1));
455 c += end - (decimal_point_pos + 1);
459 val = strtod (copy, &fail_pos);
460 strtod_errno = errno;
464 if (fail_pos - copy > decimal_point_pos - nptr)
465 fail_pos = (char *)nptr + (fail_pos - copy) - (decimal_point_len - 1);
467 fail_pos = (char *)nptr + (fail_pos - copy);
477 copy = g_malloc (end - (char *)nptr + 1);
478 memcpy (copy, nptr, end - nptr);
479 *(copy + (end - (char *)nptr)) = 0;
482 val = strtod (copy, &fail_pos);
483 strtod_errno = errno;
487 fail_pos = (char *)nptr + (fail_pos - copy);
495 val = strtod (nptr, &fail_pos);
496 strtod_errno = errno;
502 errno = strtod_errno;
510 * @buffer: A buffer to place the resulting string in
511 * @buf_len: The length of the buffer.
512 * @d: The #gdouble to convert
514 * Converts a #gdouble to a string, using the '.' as
517 * This functions generates enough precision that converting
518 * the string back using g_ascii_strtod() gives the same machine-number
519 * (on machines with IEEE compatible 64bit doubles). It is
520 * guaranteed that the size of the resulting string will never
521 * be larger than @G_ASCII_DTOSTR_BUF_SIZE bytes.
523 * Return value: The pointer to the buffer with the converted string.
526 g_ascii_dtostr (gchar *buffer,
530 return g_ascii_formatd (buffer, buf_len, "%.17g", d);
535 * @buffer: A buffer to place the resulting string in
536 * @buf_len: The length of the buffer.
537 * @format: The printf()-style format to use for the
538 * code to use for converting.
539 * @d: The #gdouble to convert
541 * Converts a #gdouble to a string, using the '.' as
542 * decimal point. To format the number you pass in
543 * a printf()-style format string. Allowed conversion
544 * specifiers are 'e', 'E', 'f', 'F', 'g' and 'G'.
546 * If you just want to want to serialize the value into a
547 * string, use g_ascii_dtostr().
549 * Return value: The pointer to the buffer with the converted string.
552 g_ascii_formatd (gchar *buffer,
557 struct lconv *locale_data;
558 const char *decimal_point;
559 int decimal_point_len;
564 g_return_val_if_fail (buffer != NULL, NULL);
565 g_return_val_if_fail (format[0] == '%', NULL);
566 g_return_val_if_fail (strpbrk (format + 1, "'l%") == NULL, NULL);
568 format_char = format[strlen (format) - 1];
570 g_return_val_if_fail (format_char == 'e' || format_char == 'E' ||
571 format_char == 'f' || format_char == 'F' ||
572 format_char == 'g' || format_char == 'G',
575 if (format[0] != '%')
578 if (strpbrk (format + 1, "'l%"))
581 if (!(format_char == 'e' || format_char == 'E' ||
582 format_char == 'f' || format_char == 'F' ||
583 format_char == 'g' || format_char == 'G'))
587 _g_snprintf (buffer, buf_len, format, d);
589 locale_data = localeconv ();
590 decimal_point = locale_data->decimal_point;
591 decimal_point_len = strlen (decimal_point);
593 g_assert (decimal_point_len != 0);
595 if (decimal_point[0] != '.' ||
596 decimal_point[1] != 0)
600 while (g_ascii_isspace (*p))
603 if (*p == '+' || *p == '-')
606 while (isdigit ((guchar)*p))
609 if (strncmp (p, decimal_point, decimal_point_len) == 0)
613 if (decimal_point_len > 1) {
614 rest_len = strlen (p + (decimal_point_len-1));
615 memmove (p, p + (decimal_point_len-1),
627 g_parse_long_long (const gchar *nptr,
632 /* this code is based on on the strtol(3) code from GNU libc released under
633 * the GNU Lesser General Public License.
635 * Copyright (C) 1991,92,94,95,96,97,98,99,2000,01,02
636 * Free Software Foundation, Inc.
638 #define ISSPACE(c) ((c) == ' ' || (c) == '\f' || (c) == '\n' || \
639 (c) == '\r' || (c) == '\t' || (c) == '\v')
640 #define ISUPPER(c) ((c) >= 'A' && (c) <= 'Z')
641 #define ISLOWER(c) ((c) >= 'a' && (c) <= 'z')
642 #define ISALPHA(c) (ISUPPER (c) || ISLOWER (c))
643 #define TOUPPER(c) (ISLOWER (c) ? (c) - 'a' + 'A' : (c))
644 #define TOLOWER(c) (ISUPPER (c) ? (c) - 'A' + 'a' : (c))
649 const gchar *s, *save;
652 g_return_val_if_fail (nptr != NULL, 0);
654 if (base == 1 || base > 36)
662 /* Skip white space. */
666 if (G_UNLIKELY (!*s))
669 /* Check for a sign. */
679 /* Recognize number prefix and if BASE is zero, figure it out ourselves. */
682 if ((base == 0 || base == 16) && TOUPPER (s[1]) == 'X')
693 /* Save the pointer so we can check later if anything happened. */
695 cutoff = G_MAXUINT64 / base;
696 cutlim = G_MAXUINT64 % base;
703 if (c >= '0' && c <= '9')
705 else if (ISALPHA (c))
706 c = TOUPPER (c) - 'A' + 10;
711 /* Check for overflow. */
712 if (ui64 > cutoff || (ui64 == cutoff && c > cutlim))
721 /* Check if anything actually happened. */
725 /* Store in ENDPTR the address of one character
726 past the last character we converted. */
728 *endptr = (gchar*) s;
730 if (G_UNLIKELY (overflow))
739 /* We must handle a special case here: the base is 0 or 16 and the
740 first two characters are '0' and 'x', but the rest are no
741 hexadecimal digits. This is no error case. We return 0 and
742 ENDPTR points to the `x`. */
745 if (save - nptr >= 2 && TOUPPER (save[-1]) == 'X'
747 *endptr = (gchar*) &save[-1];
749 /* There was no number to convert. */
750 *endptr = (gchar*) nptr;
757 * @nptr: the string to convert to a numeric value.
758 * @endptr: if non-%NULL, it returns the character after
759 * the last character used in the conversion.
760 * @base: to be used for the conversion, 2..36 or 0
762 * Converts a string to a #guint64 value.
763 * This function behaves like the standard strtoull() function
764 * does in the C locale. It does this without actually
765 * changing the current locale, since that would not be
768 * This function is typically used when reading configuration
769 * files or other non-user input that should be locale independent.
770 * To handle input from the user you should normally use the
771 * locale-sensitive system strtoull() function.
773 * If the correct value would cause overflow, %G_MAXUINT64
774 * is returned, and %ERANGE is stored in %errno. If the base is
775 * outside the valid range, zero is returned, and %EINVAL is stored
776 * in %errno. If the string conversion fails, zero is returned, and
777 * @endptr returns @nptr (if @endptr is non-%NULL).
779 * Return value: the #guint64 value or zero on error.
784 g_ascii_strtoull (const gchar *nptr,
791 result = g_parse_long_long (nptr, endptr, base, &negative);
793 /* Return the result of the appropriate sign. */
794 return negative ? -result : result;
799 * @nptr: the string to convert to a numeric value.
800 * @endptr: if non-%NULL, it returns the character after
801 * the last character used in the conversion.
802 * @base: to be used for the conversion, 2..36 or 0
804 * Converts a string to a #gint64 value.
805 * This function behaves like the standard strtoll() function
806 * does in the C locale. It does this without actually
807 * changing the current locale, since that would not be
810 * This function is typically used when reading configuration
811 * files or other non-user input that should be locale independent.
812 * To handle input from the user you should normally use the
813 * locale-sensitive system strtoll() function.
815 * If the correct value would cause overflow, %G_MAXINT64 or %G_MININT64
816 * is returned, and %ERANGE is stored in %errno. If the base is
817 * outside the valid range, zero is returned, and %EINVAL is stored
818 * in %errno. If the string conversion fails, zero is returned, and
819 * @endptr returns @nptr (if @endptr is non-%NULL).
821 * Return value: the #gint64 value or zero on error.
826 g_ascii_strtoll (const gchar *nptr,
833 result = g_parse_long_long (nptr, endptr, base, &negative);
835 if (negative && result > (guint64) G_MININT64)
840 else if (!negative && result > (guint64) G_MAXINT64)
846 return - (gint64) result;
848 return (gint64) result;
851 G_CONST_RETURN gchar*
852 g_strerror (gint errnum)
854 static GStaticPrivate msg_private = G_STATIC_PRIVATE_INIT;
856 int saved_errno = errno;
859 const char *msg_locale;
861 msg_locale = strerror (errnum);
862 if (g_get_charset (NULL))
869 gchar *msg_utf8 = g_locale_to_utf8 (msg_locale, -1, NULL, NULL, NULL);
872 /* Stick in the quark table so that we can return a static result
874 GQuark msg_quark = g_quark_from_string (msg_utf8);
877 msg_utf8 = (gchar *) g_quark_to_string (msg_quark);
886 case E2BIG: return "argument list too long";
889 case EACCES: return "permission denied";
892 case EADDRINUSE: return "address already in use";
895 case EADDRNOTAVAIL: return "can't assign requested address";
898 case EADV: return "advertise error";
901 case EAFNOSUPPORT: return "address family not supported by protocol family";
904 case EAGAIN: return "try again";
907 case EALIGN: return "EALIGN";
910 case EALREADY: return "operation already in progress";
913 case EBADE: return "bad exchange descriptor";
916 case EBADF: return "bad file number";
919 case EBADFD: return "file descriptor in bad state";
922 case EBADMSG: return "not a data message";
925 case EBADR: return "bad request descriptor";
928 case EBADRPC: return "RPC structure is bad";
931 case EBADRQC: return "bad request code";
934 case EBADSLT: return "invalid slot";
937 case EBFONT: return "bad font file format";
940 case EBUSY: return "mount device busy";
943 case ECHILD: return "no children";
946 case ECHRNG: return "channel number out of range";
949 case ECOMM: return "communication error on send";
952 case ECONNABORTED: return "software caused connection abort";
955 case ECONNREFUSED: return "connection refused";
958 case ECONNRESET: return "connection reset by peer";
960 #if defined(EDEADLK) && (!defined(EWOULDBLOCK) || (EDEADLK != EWOULDBLOCK))
961 case EDEADLK: return "resource deadlock avoided";
964 case EDEADLOCK: return "resource deadlock avoided";
967 case EDESTADDRREQ: return "destination address required";
970 case EDIRTY: return "mounting a dirty fs w/o force";
973 case EDOM: return "math argument out of range";
976 case EDOTDOT: return "cross mount point";
979 case EDQUOT: return "disk quota exceeded";
982 case EDUPPKG: return "duplicate package name";
985 case EEXIST: return "file already exists";
988 case EFAULT: return "bad address in system call argument";
991 case EFBIG: return "file too large";
994 case EHOSTDOWN: return "host is down";
997 case EHOSTUNREACH: return "host is unreachable";
1000 case EIDRM: return "identifier removed";
1003 case EINIT: return "initialization error";
1006 case EINPROGRESS: return "operation now in progress";
1009 case EINTR: return "interrupted system call";
1012 case EINVAL: return "invalid argument";
1015 case EIO: return "I/O error";
1018 case EISCONN: return "socket is already connected";
1021 case EISDIR: return "is a directory";
1024 case EISNAM: return "is a name file";
1027 case ELBIN: return "ELBIN";
1030 case EL2HLT: return "level 2 halted";
1033 case EL2NSYNC: return "level 2 not synchronized";
1036 case EL3HLT: return "level 3 halted";
1039 case EL3RST: return "level 3 reset";
1042 case ELIBACC: return "can not access a needed shared library";
1045 case ELIBBAD: return "accessing a corrupted shared library";
1048 case ELIBEXEC: return "can not exec a shared library directly";
1051 case ELIBMAX: return "attempting to link in more shared libraries than system limit";
1054 case ELIBSCN: return ".lib section in a.out corrupted";
1057 case ELNRNG: return "link number out of range";
1060 case ELOOP: return "too many levels of symbolic links";
1063 case EMFILE: return "too many open files";
1066 case EMLINK: return "too many links";
1069 case EMSGSIZE: return "message too long";
1072 case EMULTIHOP: return "multihop attempted";
1075 case ENAMETOOLONG: return "file name too long";
1078 case ENAVAIL: return "not available";
1081 case ENET: return "ENET";
1084 case ENETDOWN: return "network is down";
1087 case ENETRESET: return "network dropped connection on reset";
1090 case ENETUNREACH: return "network is unreachable";
1093 case ENFILE: return "file table overflow";
1096 case ENOANO: return "anode table overflow";
1098 #if defined(ENOBUFS) && (!defined(ENOSR) || (ENOBUFS != ENOSR))
1099 case ENOBUFS: return "no buffer space available";
1102 case ENOCSI: return "no CSI structure available";
1105 case ENODATA: return "no data available";
1108 case ENODEV: return "no such device";
1111 case ENOENT: return "no such file or directory";
1114 case ENOEXEC: return "exec format error";
1117 case ENOLCK: return "no locks available";
1120 case ENOLINK: return "link has be severed";
1123 case ENOMEM: return "not enough memory";
1126 case ENOMSG: return "no message of desired type";
1129 case ENONET: return "machine is not on the network";
1132 case ENOPKG: return "package not installed";
1135 case ENOPROTOOPT: return "bad proocol option";
1138 case ENOSPC: return "no space left on device";
1141 case ENOSR: return "out of stream resources";
1144 case ENOSTR: return "not a stream device";
1147 case ENOSYM: return "unresolved symbol name";
1150 case ENOSYS: return "function not implemented";
1153 case ENOTBLK: return "block device required";
1156 case ENOTCONN: return "socket is not connected";
1159 case ENOTDIR: return "not a directory";
1162 case ENOTEMPTY: return "directory not empty";
1165 case ENOTNAM: return "not a name file";
1168 case ENOTSOCK: return "socket operation on non-socket";
1171 case ENOTTY: return "inappropriate device for ioctl";
1174 case ENOTUNIQ: return "name not unique on network";
1177 case ENXIO: return "no such device or address";
1180 case EOPNOTSUPP: return "operation not supported on socket";
1183 case EPERM: return "not owner";
1186 case EPFNOSUPPORT: return "protocol family not supported";
1189 case EPIPE: return "broken pipe";
1192 case EPROCLIM: return "too many processes";
1195 case EPROCUNAVAIL: return "bad procedure for program";
1197 #ifdef EPROGMISMATCH
1198 case EPROGMISMATCH: return "program version wrong";
1201 case EPROGUNAVAIL: return "RPC program not available";
1204 case EPROTO: return "protocol error";
1206 #ifdef EPROTONOSUPPORT
1207 case EPROTONOSUPPORT: return "protocol not suppored";
1210 case EPROTOTYPE: return "protocol wrong type for socket";
1213 case ERANGE: return "math result unrepresentable";
1215 #if defined(EREFUSED) && (!defined(ECONNREFUSED) || (EREFUSED != ECONNREFUSED))
1216 case EREFUSED: return "EREFUSED";
1219 case EREMCHG: return "remote address changed";
1222 case EREMDEV: return "remote device";
1225 case EREMOTE: return "pathname hit remote file system";
1228 case EREMOTEIO: return "remote i/o error";
1230 #ifdef EREMOTERELEASE
1231 case EREMOTERELEASE: return "EREMOTERELEASE";
1234 case EROFS: return "read-only file system";
1237 case ERPCMISMATCH: return "RPC version is wrong";
1240 case ERREMOTE: return "object is remote";
1243 case ESHUTDOWN: return "can't send afer socket shutdown";
1245 #ifdef ESOCKTNOSUPPORT
1246 case ESOCKTNOSUPPORT: return "socket type not supported";
1249 case ESPIPE: return "invalid seek";
1252 case ESRCH: return "no such process";
1255 case ESRMNT: return "srmount error";
1258 case ESTALE: return "stale remote file handle";
1261 case ESUCCESS: return "Error 0";
1264 case ETIME: return "timer expired";
1267 case ETIMEDOUT: return "connection timed out";
1270 case ETOOMANYREFS: return "too many references: can't splice";
1273 case ETXTBSY: return "text file or pseudo-device busy";
1276 case EUCLEAN: return "structure needs cleaning";
1279 case EUNATCH: return "protocol driver not attached";
1282 case EUSERS: return "too many users";
1285 case EVERSION: return "version mismatch";
1287 #if defined(EWOULDBLOCK) && (!defined(EAGAIN) || (EWOULDBLOCK != EAGAIN))
1288 case EWOULDBLOCK: return "operation would block";
1291 case EXDEV: return "cross-domain link";
1294 case EXFULL: return "message tables full";
1297 #else /* NO_SYS_ERRLIST */
1298 extern int sys_nerr;
1299 extern char *sys_errlist[];
1301 if ((errnum > 0) && (errnum <= sys_nerr))
1302 return sys_errlist [errnum];
1303 #endif /* NO_SYS_ERRLIST */
1305 msg = g_static_private_get (&msg_private);
1308 msg = g_new (gchar, 64);
1309 g_static_private_set (&msg_private, msg, g_free);
1312 _g_sprintf (msg, "unknown error (%d)", errnum);
1314 errno = saved_errno;
1318 G_CONST_RETURN gchar*
1319 g_strsignal (gint signum)
1321 static GStaticPrivate msg_private = G_STATIC_PRIVATE_INIT;
1324 #ifdef HAVE_STRSIGNAL
1325 const char *msg_locale;
1327 #if defined(G_OS_BEOS) || defined(G_WITH_CYGWIN)
1328 extern const char *strsignal(int);
1330 /* this is declared differently (const) in string.h on BeOS */
1331 extern char *strsignal (int sig);
1332 #endif /* !G_OS_BEOS && !G_WITH_CYGWIN */
1333 msg_locale = strsignal (signum);
1334 if (g_get_charset (NULL))
1338 gchar *msg_utf8 = g_locale_to_utf8 (msg_locale, -1, NULL, NULL, NULL);
1341 /* Stick in the quark table so that we can return a static result
1343 GQuark msg_quark = g_quark_from_string (msg_utf8);
1346 return g_quark_to_string (msg_quark);
1349 #elif NO_SYS_SIGLIST
1353 case SIGHUP: return "Hangup";
1356 case SIGINT: return "Interrupt";
1359 case SIGQUIT: return "Quit";
1362 case SIGILL: return "Illegal instruction";
1365 case SIGTRAP: return "Trace/breakpoint trap";
1368 case SIGABRT: return "IOT trap/Abort";
1371 case SIGBUS: return "Bus error";
1374 case SIGFPE: return "Floating point exception";
1377 case SIGKILL: return "Killed";
1380 case SIGUSR1: return "User defined signal 1";
1383 case SIGSEGV: return "Segmentation fault";
1386 case SIGUSR2: return "User defined signal 2";
1389 case SIGPIPE: return "Broken pipe";
1392 case SIGALRM: return "Alarm clock";
1395 case SIGTERM: return "Terminated";
1398 case SIGSTKFLT: return "Stack fault";
1401 case SIGCHLD: return "Child exited";
1404 case SIGCONT: return "Continued";
1407 case SIGSTOP: return "Stopped (signal)";
1410 case SIGTSTP: return "Stopped";
1413 case SIGTTIN: return "Stopped (tty input)";
1416 case SIGTTOU: return "Stopped (tty output)";
1419 case SIGURG: return "Urgent condition";
1422 case SIGXCPU: return "CPU time limit exceeded";
1425 case SIGXFSZ: return "File size limit exceeded";
1428 case SIGVTALRM: return "Virtual time alarm";
1431 case SIGPROF: return "Profile signal";
1434 case SIGWINCH: return "Window size changed";
1437 case SIGIO: return "Possible I/O";
1440 case SIGPWR: return "Power failure";
1443 case SIGUNUSED: return "Unused signal";
1446 #else /* NO_SYS_SIGLIST */
1448 #ifdef NO_SYS_SIGLIST_DECL
1449 extern char *sys_siglist[]; /*(see Tue Jan 19 00:44:24 1999 in changelog)*/
1452 return (char*) /* this function should return const --josh */ sys_siglist [signum];
1453 #endif /* NO_SYS_SIGLIST */
1455 msg = g_static_private_get (&msg_private);
1458 msg = g_new (gchar, 64);
1459 g_static_private_set (&msg_private, msg, g_free);
1462 _g_sprintf (msg, "unknown signal (%d)", signum);
1467 /* Functions g_strlcpy and g_strlcat were originally developed by
1468 * Todd C. Miller <Todd.Miller@courtesan.com> to simplify writing secure code.
1469 * See ftp://ftp.openbsd.org/pub/OpenBSD/src/lib/libc/string/strlcpy.3
1470 * for more information.
1474 /* Use the native ones, if available; they might be implemented in assembly */
1476 g_strlcpy (gchar *dest,
1480 g_return_val_if_fail (dest != NULL, 0);
1481 g_return_val_if_fail (src != NULL, 0);
1483 return strlcpy (dest, src, dest_size);
1487 g_strlcat (gchar *dest,
1491 g_return_val_if_fail (dest != NULL, 0);
1492 g_return_val_if_fail (src != NULL, 0);
1494 return strlcat (dest, src, dest_size);
1497 #else /* ! HAVE_STRLCPY */
1500 * Copy string src to buffer dest (of buffer size dest_size). At most
1501 * dest_size-1 characters will be copied. Always NUL terminates
1502 * (unless dest_size == 0). This function does NOT allocate memory.
1503 * Unlike strncpy, this function doesn't pad dest (so it's often faster).
1504 * Returns size of attempted result, strlen(src),
1505 * so if retval >= dest_size, truncation occurred.
1508 g_strlcpy (gchar *dest,
1512 register gchar *d = dest;
1513 register const gchar *s = src;
1514 register gsize n = dest_size;
1516 g_return_val_if_fail (dest != NULL, 0);
1517 g_return_val_if_fail (src != NULL, 0);
1519 /* Copy as many bytes as will fit */
1520 if (n != 0 && --n != 0)
1523 register gchar c = *s++;
1531 /* If not enough room in dest, add NUL and traverse rest of src */
1540 return s - src - 1; /* count does not include NUL */
1545 * Appends string src to buffer dest (of buffer size dest_size).
1546 * At most dest_size-1 characters will be copied.
1547 * Unlike strncat, dest_size is the full size of dest, not the space left over.
1548 * This function does NOT allocate memory.
1549 * This always NUL terminates (unless siz == 0 or there were no NUL characters
1550 * in the dest_size characters of dest to start with).
1551 * Returns size of attempted result, which is
1552 * MIN (dest_size, strlen (original dest)) + strlen (src),
1553 * so if retval >= dest_size, truncation occurred.
1556 g_strlcat (gchar *dest,
1560 register gchar *d = dest;
1561 register const gchar *s = src;
1562 register gsize bytes_left = dest_size;
1563 gsize dlength; /* Logically, MIN (strlen (d), dest_size) */
1565 g_return_val_if_fail (dest != NULL, 0);
1566 g_return_val_if_fail (src != NULL, 0);
1568 /* Find the end of dst and adjust bytes left but don't go past end */
1569 while (*d != 0 && bytes_left-- != 0)
1572 bytes_left = dest_size - dlength;
1574 if (bytes_left == 0)
1575 return dlength + strlen (s);
1579 if (bytes_left != 1)
1588 return dlength + (s - src); /* count does not include NUL */
1590 #endif /* ! HAVE_STRLCPY */
1595 * @len: length of @str in bytes, or -1 if @str is nul-terminated.
1597 * Converts all upper case ASCII letters to lower case ASCII letters.
1599 * Return value: a newly-allocated string, with all the upper case
1600 * characters in @str converted to lower case, with
1601 * semantics that exactly match g_ascii_tolower(). (Note
1602 * that this is unlike the old g_strdown(), which modified
1603 * the string in place.)
1606 g_ascii_strdown (const gchar *str,
1611 g_return_val_if_fail (str != NULL, NULL);
1616 result = g_strndup (str, len);
1617 for (s = result; *s; s++)
1618 *s = g_ascii_tolower (*s);
1626 * @len: length of @str in bytes, or -1 if @str is nul-terminated.
1628 * Converts all lower case ASCII letters to upper case ASCII letters.
1630 * Return value: a newly allocated string, with all the lower case
1631 * characters in @str converted to upper case, with
1632 * semantics that exactly match g_ascii_toupper(). (Note
1633 * that this is unlike the old g_strup(), which modified
1634 * the string in place.)
1637 g_ascii_strup (const gchar *str,
1642 g_return_val_if_fail (str != NULL, NULL);
1647 result = g_strndup (str, len);
1648 for (s = result; *s; s++)
1649 *s = g_ascii_toupper (*s);
1656 * @string: the string to convert.
1658 * Converts a string to lower case.
1660 * Return value: the string
1662 * Deprecated:2.2: This function is totally broken for the reasons discussed
1663 * in the g_strncasecmp() docs - use g_ascii_strdown() or g_utf8_strdown()
1667 g_strdown (gchar *string)
1671 g_return_val_if_fail (string != NULL, NULL);
1673 s = (guchar *) string;
1682 return (gchar *) string;
1687 * @string: the string to convert.
1689 * Converts a string to upper case.
1691 * Return value: the string
1693 * Deprecated:2.2: This function is totally broken for the reasons discussed
1694 * in the g_strncasecmp() docs - use g_ascii_strup() or g_utf8_strup() instead.
1697 g_strup (gchar *string)
1701 g_return_val_if_fail (string != NULL, NULL);
1703 s = (guchar *) string;
1712 return (gchar *) string;
1716 g_strreverse (gchar *string)
1718 g_return_val_if_fail (string != NULL, NULL);
1722 register gchar *h, *t;
1725 t = string + strlen (string) - 1;
1744 * @c: any character.
1746 * Convert a character to ASCII lower case.
1748 * Unlike the standard C library tolower() function, this only
1749 * recognizes standard ASCII letters and ignores the locale, returning
1750 * all non-ASCII characters unchanged, even if they are lower case
1751 * letters in a particular character set. Also unlike the standard
1752 * library function, this takes and returns a char, not an int, so
1753 * don't call it on %EOF but no need to worry about casting to #guchar
1754 * before passing a possibly non-ASCII character in.
1756 * Return value: the result of converting @c to lower case.
1757 * If @c is not an ASCII upper case letter,
1758 * @c is returned unchanged.
1761 g_ascii_tolower (gchar c)
1763 return g_ascii_isupper (c) ? c - 'A' + 'a' : c;
1768 * @c: any character.
1770 * Convert a character to ASCII upper case.
1772 * Unlike the standard C library toupper() function, this only
1773 * recognizes standard ASCII letters and ignores the locale, returning
1774 * all non-ASCII characters unchanged, even if they are upper case
1775 * letters in a particular character set. Also unlike the standard
1776 * library function, this takes and returns a char, not an int, so
1777 * don't call it on %EOF but no need to worry about casting to #guchar
1778 * before passing a possibly non-ASCII character in.
1780 * Return value: the result of converting @c to upper case.
1781 * If @c is not an ASCII lower case letter,
1782 * @c is returned unchanged.
1785 g_ascii_toupper (gchar c)
1787 return g_ascii_islower (c) ? c - 'a' + 'A' : c;
1791 * g_ascii_digit_value:
1792 * @c: an ASCII character.
1794 * Determines the numeric value of a character as a decimal
1795 * digit. Differs from g_unichar_digit_value() because it takes
1796 * a char, so there's no worry about sign extension if characters
1799 * Return value: If @c is a decimal digit (according to
1800 * g_ascii_isdigit()), its numeric value. Otherwise, -1.
1803 g_ascii_digit_value (gchar c)
1805 if (g_ascii_isdigit (c))
1811 * g_ascii_xdigit_value:
1812 * @c: an ASCII character.
1814 * Determines the numeric value of a character as a hexidecimal
1815 * digit. Differs from g_unichar_xdigit_value() because it takes
1816 * a char, so there's no worry about sign extension if characters
1819 * Return value: If @c is a hex digit (according to
1820 * g_ascii_isxdigit()), its numeric value. Otherwise, -1.
1823 g_ascii_xdigit_value (gchar c)
1825 if (c >= 'A' && c <= 'F')
1826 return c - 'A' + 10;
1827 if (c >= 'a' && c <= 'f')
1828 return c - 'a' + 10;
1829 return g_ascii_digit_value (c);
1833 * g_ascii_strcasecmp:
1834 * @s1: string to compare with @s2.
1835 * @s2: string to compare with @s1.
1837 * Compare two strings, ignoring the case of ASCII characters.
1839 * Unlike the BSD strcasecmp() function, this only recognizes standard
1840 * ASCII letters and ignores the locale, treating all non-ASCII
1841 * bytes as if they are not letters.
1843 * This function should be used only on strings that are known to be
1844 * in encodings where the bytes corresponding to ASCII letters always
1845 * represent themselves. This includes UTF-8 and the ISO-8859-*
1846 * charsets, but not for instance double-byte encodings like the
1847 * Windows Codepage 932, where the trailing bytes of double-byte
1848 * characters include all ASCII letters. If you compare two CP932
1849 * strings using this function, you will get false matches.
1851 * Return value: 0 if the strings match, a negative value if @s1 < @s2,
1852 * or a positive value if @s1 > @s2.
1855 g_ascii_strcasecmp (const gchar *s1,
1860 g_return_val_if_fail (s1 != NULL, 0);
1861 g_return_val_if_fail (s2 != NULL, 0);
1865 c1 = (gint)(guchar) TOLOWER (*s1);
1866 c2 = (gint)(guchar) TOLOWER (*s2);
1872 return (((gint)(guchar) *s1) - ((gint)(guchar) *s2));
1876 * g_ascii_strncasecmp:
1877 * @s1: string to compare with @s2.
1878 * @s2: string to compare with @s1.
1879 * @n: number of characters to compare.
1881 * Compare @s1 and @s2, ignoring the case of ASCII characters and any
1882 * characters after the first @n in each string.
1884 * Unlike the BSD strcasecmp() function, this only recognizes standard
1885 * ASCII letters and ignores the locale, treating all non-ASCII
1886 * characters as if they are not letters.
1888 * The same warning as in g_ascii_strcasecmp() applies: Use this
1889 * function only on strings known to be in encodings where bytes
1890 * corresponding to ASCII letters always represent themselves.
1892 * Return value: 0 if the strings match, a negative value if @s1 < @s2,
1893 * or a positive value if @s1 > @s2.
1896 g_ascii_strncasecmp (const gchar *s1,
1902 g_return_val_if_fail (s1 != NULL, 0);
1903 g_return_val_if_fail (s2 != NULL, 0);
1905 while (n && *s1 && *s2)
1908 c1 = (gint)(guchar) TOLOWER (*s1);
1909 c2 = (gint)(guchar) TOLOWER (*s2);
1916 return (((gint) (guchar) *s1) - ((gint) (guchar) *s2));
1924 * @s2: a string to compare with @s1.
1926 * A case-insensitive string comparison, corresponding to the standard
1927 * strcasecmp() function on platforms which support it.
1929 * Return value: 0 if the strings match, a negative value if @s1 < @s2,
1930 * or a positive value if @s1 > @s2.
1932 * Deprecated:2.2: See g_strncasecmp() for a discussion of why this function
1933 * is deprecated and how to replace it.
1936 g_strcasecmp (const gchar *s1,
1939 #ifdef HAVE_STRCASECMP
1940 g_return_val_if_fail (s1 != NULL, 0);
1941 g_return_val_if_fail (s2 != NULL, 0);
1943 return strcasecmp (s1, s2);
1947 g_return_val_if_fail (s1 != NULL, 0);
1948 g_return_val_if_fail (s2 != NULL, 0);
1952 /* According to A. Cox, some platforms have islower's that
1953 * don't work right on non-uppercase
1955 c1 = isupper ((guchar)*s1) ? tolower ((guchar)*s1) : *s1;
1956 c2 = isupper ((guchar)*s2) ? tolower ((guchar)*s2) : *s2;
1962 return (((gint)(guchar) *s1) - ((gint)(guchar) *s2));
1969 * @s2: a string to compare with @s1.
1970 * @n: the maximum number of characters to compare.
1972 * A case-insensitive string comparison, corresponding to the standard
1973 * strncasecmp() function on platforms which support it.
1974 * It is similar to g_strcasecmp() except it only compares the first @n
1975 * characters of the strings.
1977 * Return value: 0 if the strings match, a negative value if @s1 < @s2,
1978 * or a positive value if @s1 > @s2.
1980 * Deprecated:2.2: The problem with g_strncasecmp() is that it does the
1981 * comparison by calling toupper()/tolower(). These functions are
1982 * locale-specific and operate on single bytes. However, it is impossible
1983 * to handle things correctly from an I18N standpoint by operating on
1984 * bytes, since characters may be multibyte. Thus g_strncasecmp() is
1985 * broken if your string is guaranteed to be ASCII, since it's
1986 * locale-sensitive, and it's broken if your string is localized, since
1987 * it doesn't work on many encodings at all, including UTF-8, EUC-JP,
1990 * There are therefore two replacement functions: g_ascii_strncasecmp(),
1991 * which only works on ASCII and is not locale-sensitive, and
1992 * g_utf8_casefold(), which is good for case-insensitive sorting of UTF-8.
1995 g_strncasecmp (const gchar *s1,
1999 #ifdef HAVE_STRNCASECMP
2000 return strncasecmp (s1, s2, n);
2004 g_return_val_if_fail (s1 != NULL, 0);
2005 g_return_val_if_fail (s2 != NULL, 0);
2007 while (n && *s1 && *s2)
2010 /* According to A. Cox, some platforms have islower's that
2011 * don't work right on non-uppercase
2013 c1 = isupper ((guchar)*s1) ? tolower ((guchar)*s1) : *s1;
2014 c2 = isupper ((guchar)*s2) ? tolower ((guchar)*s2) : *s2;
2021 return (((gint) (guchar) *s1) - ((gint) (guchar) *s2));
2028 g_strdelimit (gchar *string,
2029 const gchar *delimiters,
2034 g_return_val_if_fail (string != NULL, NULL);
2037 delimiters = G_STR_DELIMITERS;
2039 for (c = string; *c; c++)
2041 if (strchr (delimiters, *c))
2049 g_strcanon (gchar *string,
2050 const gchar *valid_chars,
2055 g_return_val_if_fail (string != NULL, NULL);
2056 g_return_val_if_fail (valid_chars != NULL, NULL);
2058 for (c = string; *c; c++)
2060 if (!strchr (valid_chars, *c))
2068 g_strcompress (const gchar *source)
2070 const gchar *p = source, *octal;
2071 gchar *dest = g_malloc (strlen (source) + 1);
2082 g_warning ("g_strcompress: trailing \\");
2084 case '0': case '1': case '2': case '3': case '4':
2085 case '5': case '6': case '7':
2088 while ((p < octal + 3) && (*p >= '0') && (*p <= '7'))
2090 *q = (*q * 8) + (*p - '0');
2111 default: /* Also handles \" and \\ */
2127 g_strescape (const gchar *source,
2128 const gchar *exceptions)
2135 g_return_val_if_fail (source != NULL, NULL);
2137 p = (guchar *) source;
2138 /* Each source byte needs maximally four destination chars (\777) */
2139 q = dest = g_malloc (strlen (source) * 4 + 1);
2141 memset (excmap, 0, 256);
2144 guchar *e = (guchar *) exceptions;
2190 if ((*p < ' ') || (*p >= 0177))
2193 *q++ = '0' + (((*p) >> 6) & 07);
2194 *q++ = '0' + (((*p) >> 3) & 07);
2195 *q++ = '0' + ((*p) & 07);
2209 g_strchug (gchar *string)
2213 g_return_val_if_fail (string != NULL, NULL);
2215 for (start = (guchar*) string; *start && g_ascii_isspace (*start); start++)
2218 g_memmove (string, start, strlen ((gchar *) start) + 1);
2224 g_strchomp (gchar *string)
2228 g_return_val_if_fail (string != NULL, NULL);
2230 len = strlen (string);
2233 if (g_ascii_isspace ((guchar) string[len]))
2244 * @string: a string to split.
2245 * @delimiter: a string which specifies the places at which to split the string.
2246 * The delimiter is not included in any of the resulting strings, unless
2247 * @max_tokens is reached.
2248 * @max_tokens: the maximum number of pieces to split @string into. If this is
2249 * less than 1, the string is split completely.
2251 * Splits a string into a maximum of @max_tokens pieces, using the given
2252 * @delimiter. If @max_tokens is reached, the remainder of @string is appended
2253 * to the last token.
2255 * As a special case, the result of splitting the empty string "" is an empty
2256 * vector, not a vector containing a single string. The reason for this
2257 * special case is that being able to represent a empty vector is typically
2258 * more useful than consistent handling of empty elements. If you do need
2259 * to represent empty elements, you'll need to check for the empty string
2260 * before calling g_strsplit().
2262 * Return value: a newly-allocated %NULL-terminated array of strings. Use
2263 * g_strfreev() to free it.
2266 g_strsplit (const gchar *string,
2267 const gchar *delimiter,
2270 GSList *string_list = NULL, *slist;
2271 gchar **str_array, *s;
2273 const gchar *remainder;
2275 g_return_val_if_fail (string != NULL, NULL);
2276 g_return_val_if_fail (delimiter != NULL, NULL);
2277 g_return_val_if_fail (delimiter[0] != '\0', NULL);
2280 max_tokens = G_MAXINT;
2283 s = strstr (remainder, delimiter);
2286 gsize delimiter_len = strlen (delimiter);
2288 while (--max_tokens && s)
2292 len = s - remainder;
2293 string_list = g_slist_prepend (string_list,
2294 g_strndup (remainder, len));
2296 remainder = s + delimiter_len;
2297 s = strstr (remainder, delimiter);
2303 string_list = g_slist_prepend (string_list, g_strdup (remainder));
2306 str_array = g_new (gchar*, n + 1);
2308 str_array[n--] = NULL;
2309 for (slist = string_list; slist; slist = slist->next)
2310 str_array[n--] = slist->data;
2312 g_slist_free (string_list);
2319 * @string: The string to be tokenized
2320 * @delimiters: A nul-terminated string containing bytes that are used
2321 * to split the string.
2322 * @max_tokens: The maximum number of tokens to split @string into.
2323 * If this is less than 1, the string is split completely
2325 * Splits @string into a number of tokens not containing any of the characters
2326 * in @delimiter. A token is the (possibly empty) longest string that does not
2327 * contain any of the characters in @delimiters. If @max_tokens is reached, the
2328 * remainder is appended to the last token.
2330 * For example the result of g_strsplit_set ("abc:def/ghi", ":/", -1) is a
2331 * %NULL-terminated vector containing the three strings "abc", "def",
2334 * The result if g_strsplit_set (":def/ghi:", ":/", -1) is a %NULL-terminated
2335 * vector containing the four strings "", "def", "ghi", and "".
2337 * As a special case, the result of splitting the empty string "" is an empty
2338 * vector, not a vector containing a single string. The reason for this
2339 * special case is that being able to represent a empty vector is typically
2340 * more useful than consistent handling of empty elements. If you do need
2341 * to represent empty elements, you'll need to check for the empty string
2342 * before calling g_strsplit_set().
2344 * Note that this function works on bytes not characters, so it can't be used
2345 * to delimit UTF-8 strings for anything but ASCII characters.
2347 * Return value: a newly-allocated %NULL-terminated array of strings. Use
2348 * g_strfreev() to free it.
2353 g_strsplit_set (const gchar *string,
2354 const gchar *delimiters,
2357 gboolean delim_table[256];
2358 GSList *tokens, *list;
2361 const gchar *current;
2365 g_return_val_if_fail (string != NULL, NULL);
2366 g_return_val_if_fail (delimiters != NULL, NULL);
2369 max_tokens = G_MAXINT;
2371 if (*string == '\0')
2373 result = g_new (char *, 1);
2378 memset (delim_table, FALSE, sizeof (delim_table));
2379 for (s = delimiters; *s != '\0'; ++s)
2380 delim_table[*(guchar *)s] = TRUE;
2385 s = current = string;
2388 if (delim_table[*(guchar *)s] && n_tokens + 1 < max_tokens)
2392 token = g_strndup (current, s - current);
2393 tokens = g_slist_prepend (tokens, token);
2402 token = g_strndup (current, s - current);
2403 tokens = g_slist_prepend (tokens, token);
2406 result = g_new (gchar *, n_tokens + 1);
2408 result[n_tokens] = NULL;
2409 for (list = tokens; list != NULL; list = list->next)
2410 result[--n_tokens] = list->data;
2412 g_slist_free (tokens);
2419 * @str_array: a %NULL-terminated array of strings to free.
2421 * Frees a %NULL-terminated array of strings, and the array itself.
2422 * If called on a %NULL value, g_strfreev() simply returns.
2425 g_strfreev (gchar **str_array)
2431 for(i = 0; str_array[i] != NULL; i++)
2432 g_free(str_array[i]);
2440 * @str_array: %NULL-terminated array of strings.
2442 * Copies %NULL-terminated array of strings. The copy is a deep copy;
2443 * the new array should be freed by first freeing each string, then
2444 * the array itself. g_strfreev() does this for you. If called
2445 * on a %NULL value, g_strdupv() simply returns %NULL.
2447 * Return value: a new %NULL-terminated array of strings.
2450 g_strdupv (gchar **str_array)
2458 while (str_array[i])
2461 retval = g_new (gchar*, i + 1);
2464 while (str_array[i])
2466 retval[i] = g_strdup (str_array[i]);
2478 g_strjoinv (const gchar *separator,
2484 g_return_val_if_fail (str_array != NULL, NULL);
2486 if (separator == NULL)
2493 gsize separator_len;
2495 separator_len = strlen (separator);
2496 /* First part, getting length */
2497 len = 1 + strlen (str_array[0]);
2498 for (i = 1; str_array[i] != NULL; i++)
2499 len += strlen (str_array[i]);
2500 len += separator_len * (i - 1);
2502 /* Second part, building string */
2503 string = g_new (gchar, len);
2504 ptr = g_stpcpy (string, *str_array);
2505 for (i = 1; str_array[i] != NULL; i++)
2507 ptr = g_stpcpy (ptr, separator);
2508 ptr = g_stpcpy (ptr, str_array[i]);
2512 string = g_strdup ("");
2518 g_strjoin (const gchar *separator,
2524 gsize separator_len;
2527 if (separator == NULL)
2530 separator_len = strlen (separator);
2532 va_start (args, separator);
2534 s = va_arg (args, gchar*);
2538 /* First part, getting length */
2539 len = 1 + strlen (s);
2541 s = va_arg (args, gchar*);
2544 len += separator_len + strlen (s);
2545 s = va_arg (args, gchar*);
2549 /* Second part, building string */
2550 string = g_new (gchar, len);
2552 va_start (args, separator);
2554 s = va_arg (args, gchar*);
2555 ptr = g_stpcpy (string, s);
2557 s = va_arg (args, gchar*);
2560 ptr = g_stpcpy (ptr, separator);
2561 ptr = g_stpcpy (ptr, s);
2562 s = va_arg (args, gchar*);
2566 string = g_strdup ("");
2576 * @haystack: a string.
2577 * @haystack_len: the maximum length of @haystack.
2578 * @needle: the string to search for.
2580 * Searches the string @haystack for the first occurrence
2581 * of the string @needle, limiting the length of the search
2584 * Return value: a pointer to the found occurrence, or
2585 * %NULL if not found.
2588 g_strstr_len (const gchar *haystack,
2589 gssize haystack_len,
2590 const gchar *needle)
2592 g_return_val_if_fail (haystack != NULL, NULL);
2593 g_return_val_if_fail (needle != NULL, NULL);
2595 if (haystack_len < 0)
2596 return strstr (haystack, needle);
2599 const gchar *p = haystack;
2600 gsize needle_len = strlen (needle);
2604 if (needle_len == 0)
2605 return (gchar *)haystack;
2607 if (haystack_len < needle_len)
2610 end = haystack + haystack_len - needle_len;
2612 while (*p && p <= end)
2614 for (i = 0; i < needle_len; i++)
2615 if (p[i] != needle[i])
2630 * @haystack: a nul-terminated string.
2631 * @needle: the nul-terminated string to search for.
2633 * Searches the string @haystack for the last occurrence
2634 * of the string @needle.
2636 * Return value: a pointer to the found occurrence, or
2637 * %NULL if not found.
2640 g_strrstr (const gchar *haystack,
2641 const gchar *needle)
2648 g_return_val_if_fail (haystack != NULL, NULL);
2649 g_return_val_if_fail (needle != NULL, NULL);
2651 needle_len = strlen (needle);
2652 haystack_len = strlen (haystack);
2654 if (needle_len == 0)
2655 return (gchar *)haystack;
2657 if (haystack_len < needle_len)
2660 p = haystack + haystack_len - needle_len;
2662 while (p >= haystack)
2664 for (i = 0; i < needle_len; i++)
2665 if (p[i] != needle[i])
2679 * @haystack: a nul-terminated string.
2680 * @haystack_len: the maximum length of @haystack.
2681 * @needle: the nul-terminated string to search for.
2683 * Searches the string @haystack for the last occurrence
2684 * of the string @needle, limiting the length of the search
2687 * Return value: a pointer to the found occurrence, or
2688 * %NULL if not found.
2691 g_strrstr_len (const gchar *haystack,
2692 gssize haystack_len,
2693 const gchar *needle)
2695 g_return_val_if_fail (haystack != NULL, NULL);
2696 g_return_val_if_fail (needle != NULL, NULL);
2698 if (haystack_len < 0)
2699 return g_strrstr (haystack, needle);
2702 gsize needle_len = strlen (needle);
2703 const gchar *haystack_max = haystack + haystack_len;
2704 const gchar *p = haystack;
2707 while (p < haystack_max && *p)
2710 if (p < haystack + needle_len)
2715 while (p >= haystack)
2717 for (i = 0; i < needle_len; i++)
2718 if (p[i] != needle[i])
2734 * @str: a nul-terminated string.
2735 * @suffix: the nul-terminated suffix to look for.
2737 * Looks whether the string @str ends with @suffix.
2739 * Return value: %TRUE if @str end with @suffix, %FALSE otherwise.
2744 g_str_has_suffix (const gchar *str,
2745 const gchar *suffix)
2750 g_return_val_if_fail (str != NULL, FALSE);
2751 g_return_val_if_fail (suffix != NULL, FALSE);
2753 str_len = strlen (str);
2754 suffix_len = strlen (suffix);
2756 if (str_len < suffix_len)
2759 return strcmp (str + str_len - suffix_len, suffix) == 0;
2764 * @str: a nul-terminated string.
2765 * @prefix: the nul-terminated prefix to look for.
2767 * Looks whether the string @str begins with @prefix.
2769 * Return value: %TRUE if @str begins with @prefix, %FALSE otherwise.
2774 g_str_has_prefix (const gchar *str,
2775 const gchar *prefix)
2780 g_return_val_if_fail (str != NULL, FALSE);
2781 g_return_val_if_fail (prefix != NULL, FALSE);
2783 str_len = strlen (str);
2784 prefix_len = strlen (prefix);
2786 if (str_len < prefix_len)
2789 return strncmp (str, prefix, prefix_len) == 0;
2796 * @msgval: another string
2798 * An auxiliary function for gettext() support (see Q_()).
2800 * Return value: @msgval, unless @msgval is identical to @msgid and contains
2801 * a '|' character, in which case a pointer to the substring of msgid after
2802 * the first '|' character is returned.
2806 G_CONST_RETURN gchar *
2807 g_strip_context (const gchar *msgid,
2808 const gchar *msgval)
2810 if (msgval == msgid)
2812 const char *c = strchr (msgid, '|');
2823 * @str_array: a %NULL-terminated array of strings.
2825 * Returns the length of the given %NULL-terminated
2826 * string array @str_array.
2828 * Return value: length of @str_array.
2833 g_strv_length (gchar **str_array)
2837 g_return_val_if_fail (str_array != NULL, 0);
2839 while (str_array[i])
2845 #define __G_STRFUNCS_C__
2846 #include "galiasdef.c"