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);
118 g_strndup (const gchar *str,
125 new_str = g_new (gchar, n + 1);
126 strncpy (new_str, str, n);
136 g_strnfill (gsize length,
141 str = g_new (gchar, length + 1);
142 memset (str, (guchar)fill_char, length);
150 * @dest: destination buffer.
151 * @src: source string.
153 * Copies a nul-terminated string into the dest buffer, include the
154 * trailing nul, and return a pointer to the trailing nul byte.
155 * This is useful for concatenating multiple strings together
156 * without having to repeatedly scan for the end.
158 * Return value: a pointer to trailing nul byte.
161 g_stpcpy (gchar *dest,
165 g_return_val_if_fail (dest != NULL, NULL);
166 g_return_val_if_fail (src != NULL, NULL);
167 return stpcpy (dest, src);
169 register gchar *d = dest;
170 register const gchar *s = src;
172 g_return_val_if_fail (dest != NULL, NULL);
173 g_return_val_if_fail (src != NULL, NULL);
176 while (*s++ != '\0');
183 g_strdup_vprintf (const gchar *format,
186 gchar *string = NULL;
188 g_vasprintf (&string, format, args);
194 g_strdup_printf (const gchar *format,
200 va_start (args, format);
201 buffer = g_strdup_vprintf (format, args);
208 g_strconcat (const gchar *string1, ...)
219 l = 1 + strlen (string1);
220 va_start (args, string1);
221 s = va_arg (args, gchar*);
225 s = va_arg (args, gchar*);
229 concat = g_new (gchar, l);
232 ptr = g_stpcpy (ptr, string1);
233 va_start (args, string1);
234 s = va_arg (args, gchar*);
237 ptr = g_stpcpy (ptr, s);
238 s = va_arg (args, gchar*);
247 * @nptr: the string to convert to a numeric value.
248 * @endptr: if non-%NULL, it returns the character after
249 * the last character used in the conversion.
251 * Converts a string to a #gdouble value.
252 * It calls the standard strtod() function to handle the conversion, but
253 * if the string is not completely converted it attempts the conversion
254 * again with g_ascii_strtod(), and returns the best match.
256 * This function should seldomly be used. The normal situation when reading
257 * numbers not for human consumption is to use g_ascii_strtod(). Only when
258 * you know that you must expect both locale formatted and C formatted numbers
259 * should you use this. Make sure that you don't pass strings such as comma
260 * separated lists of values, since the commas may be interpreted as a decimal
261 * point in some locales, causing unexpected results.
263 * Return value: the #gdouble value.
266 g_strtod (const gchar *nptr,
274 g_return_val_if_fail (nptr != NULL, 0);
279 val_1 = strtod (nptr, &fail_pos_1);
281 if (fail_pos_1 && fail_pos_1[0] != 0)
282 val_2 = g_ascii_strtod (nptr, &fail_pos_2);
284 if (!fail_pos_1 || fail_pos_1[0] == 0 || fail_pos_1 >= fail_pos_2)
287 *endptr = fail_pos_1;
293 *endptr = fail_pos_2;
300 * @nptr: the string to convert to a numeric value.
301 * @endptr: if non-%NULL, it returns the character after
302 * the last character used in the conversion.
304 * Converts a string to a #gdouble value.
305 * This function behaves like the standard strtod() function
306 * does in the C locale. It does this without actually
307 * changing the current locale, since that would not be
310 * This function is typically used when reading configuration
311 * files or other non-user input that should be locale independent.
312 * To handle input from the user you should normally use the
313 * locale-sensitive system strtod() function.
315 * To convert from a #gdouble to a string in a locale-insensitive
316 * way, use g_ascii_dtostr().
318 * If the correct value would cause overflow, plus or minus %HUGE_VAL
319 * is returned (according to the sign of the value), and %ERANGE is
320 * stored in %errno. If the correct value would cause underflow,
321 * zero is returned and %ERANGE is stored in %errno.
323 * This function resets %errno before calling strtod() so that
324 * you can reliably detect overflow and underflow.
326 * Return value: the #gdouble value.
329 g_ascii_strtod (const gchar *nptr,
334 struct lconv *locale_data;
335 const char *decimal_point;
336 int decimal_point_len;
337 const char *p, *decimal_point_pos;
338 const char *end = NULL; /* Silence gcc */
341 g_return_val_if_fail (nptr != NULL, 0);
345 locale_data = localeconv ();
346 decimal_point = locale_data->decimal_point;
347 decimal_point_len = strlen (decimal_point);
349 g_assert (decimal_point_len != 0);
351 decimal_point_pos = NULL;
354 if (decimal_point[0] != '.' ||
355 decimal_point[1] != 0)
358 /* Skip leading space */
359 while (g_ascii_isspace (*p))
362 /* Skip leading optional sign */
363 if (*p == '+' || *p == '-')
367 (p[1] == 'x' || p[1] == 'X'))
370 /* HEX - find the (optional) decimal point */
372 while (g_ascii_isxdigit (*p))
376 decimal_point_pos = p++;
378 while (g_ascii_isxdigit (*p))
381 if (*p == 'p' || *p == 'P')
383 if (*p == '+' || *p == '-')
385 while (g_ascii_isdigit (*p))
390 else if (g_ascii_isdigit (*p) || *p == '.')
392 while (g_ascii_isdigit (*p))
396 decimal_point_pos = p++;
398 while (g_ascii_isdigit (*p))
401 if (*p == 'e' || *p == 'E')
403 if (*p == '+' || *p == '-')
405 while (g_ascii_isdigit (*p))
410 /* For the other cases, we need not convert the decimal point */
413 if (decimal_point_pos)
417 /* We need to convert the '.' to the locale specific decimal point */
418 copy = g_malloc (end - nptr + 1 + decimal_point_len);
421 memcpy (c, nptr, decimal_point_pos - nptr);
422 c += decimal_point_pos - nptr;
423 memcpy (c, decimal_point, decimal_point_len);
424 c += decimal_point_len;
425 memcpy (c, decimal_point_pos + 1, end - (decimal_point_pos + 1));
426 c += end - (decimal_point_pos + 1);
430 val = strtod (copy, &fail_pos);
431 strtod_errno = errno;
435 if (fail_pos - copy > decimal_point_pos - nptr)
436 fail_pos = (char *)nptr + (fail_pos - copy) - (decimal_point_len - 1);
438 fail_pos = (char *)nptr + (fail_pos - copy);
448 copy = g_malloc (end - (char *)nptr + 1);
449 memcpy (copy, nptr, end - nptr);
450 *(copy + (end - (char *)nptr)) = 0;
453 val = strtod (copy, &fail_pos);
454 strtod_errno = errno;
458 fail_pos = (char *)nptr + (fail_pos - copy);
466 val = strtod (nptr, &fail_pos);
467 strtod_errno = errno;
473 errno = strtod_errno;
481 * @buffer: A buffer to place the resulting string in
482 * @buf_len: The length of the buffer.
483 * @d: The #gdouble to convert
485 * Converts a #gdouble to a string, using the '.' as
488 * This functions generates enough precision that converting
489 * the string back using g_ascii_strtod() gives the same machine-number
490 * (on machines with IEEE compatible 64bit doubles). It is
491 * guaranteed that the size of the resulting string will never
492 * be larger than @G_ASCII_DTOSTR_BUF_SIZE bytes.
494 * Return value: The pointer to the buffer with the converted string.
497 g_ascii_dtostr (gchar *buffer,
501 return g_ascii_formatd (buffer, buf_len, "%.17g", d);
506 * @buffer: A buffer to place the resulting string in
507 * @buf_len: The length of the buffer.
508 * @format: The printf()-style format to use for the
509 * code to use for converting.
510 * @d: The #gdouble to convert
512 * Converts a #gdouble to a string, using the '.' as
513 * decimal point. To format the number you pass in
514 * a printf()-style format string. Allowed conversion
515 * specifiers are 'e', 'E', 'f', 'F', 'g' and 'G'.
517 * If you just want to want to serialize the value into a
518 * string, use g_ascii_dtostr().
520 * Return value: The pointer to the buffer with the converted string.
523 g_ascii_formatd (gchar *buffer,
528 struct lconv *locale_data;
529 const char *decimal_point;
530 int decimal_point_len;
535 g_return_val_if_fail (buffer != NULL, NULL);
536 g_return_val_if_fail (format[0] == '%', NULL);
537 g_return_val_if_fail (strpbrk (format + 1, "'l%") == NULL, NULL);
539 format_char = format[strlen (format) - 1];
541 g_return_val_if_fail (format_char == 'e' || format_char == 'E' ||
542 format_char == 'f' || format_char == 'F' ||
543 format_char == 'g' || format_char == 'G',
546 if (format[0] != '%')
549 if (strpbrk (format + 1, "'l%"))
552 if (!(format_char == 'e' || format_char == 'E' ||
553 format_char == 'f' || format_char == 'F' ||
554 format_char == 'g' || format_char == 'G'))
558 _g_snprintf (buffer, buf_len, format, d);
560 locale_data = localeconv ();
561 decimal_point = locale_data->decimal_point;
562 decimal_point_len = strlen (decimal_point);
564 g_assert (decimal_point_len != 0);
566 if (decimal_point[0] != '.' ||
567 decimal_point[1] != 0)
571 while (g_ascii_isspace (*p))
574 if (*p == '+' || *p == '-')
577 while (isdigit ((guchar)*p))
580 if (strncmp (p, decimal_point, decimal_point_len) == 0)
584 if (decimal_point_len > 1) {
585 rest_len = strlen (p + (decimal_point_len-1));
586 memmove (p, p + (decimal_point_len-1),
598 g_parse_long_long (const gchar *nptr,
603 /* this code is based on on the strtol(3) code from GNU libc released under
604 * the GNU Lesser General Public License.
606 * Copyright (C) 1991,92,94,95,96,97,98,99,2000,01,02
607 * Free Software Foundation, Inc.
609 #define ISSPACE(c) ((c) == ' ' || (c) == '\f' || (c) == '\n' || \
610 (c) == '\r' || (c) == '\t' || (c) == '\v')
611 #define ISUPPER(c) ((c) >= 'A' && (c) <= 'Z')
612 #define ISLOWER(c) ((c) >= 'a' && (c) <= 'z')
613 #define ISALPHA(c) (ISUPPER (c) || ISLOWER (c))
614 #define TOUPPER(c) (ISLOWER (c) ? (c) - 'a' + 'A' : (c))
615 #define TOLOWER(c) (ISUPPER (c) ? (c) - 'A' + 'a' : (c))
620 const gchar *s, *save;
623 g_return_val_if_fail (nptr != NULL, 0);
625 if (base == 1 || base > 36)
633 /* Skip white space. */
637 if (G_UNLIKELY (!*s))
640 /* Check for a sign. */
650 /* Recognize number prefix and if BASE is zero, figure it out ourselves. */
653 if ((base == 0 || base == 16) && TOUPPER (s[1]) == 'X')
664 /* Save the pointer so we can check later if anything happened. */
666 cutoff = G_MAXUINT64 / base;
667 cutlim = G_MAXUINT64 % base;
674 if (c >= '0' && c <= '9')
676 else if (ISALPHA (c))
677 c = TOUPPER (c) - 'A' + 10;
682 /* Check for overflow. */
683 if (ui64 > cutoff || (ui64 == cutoff && c > cutlim))
692 /* Check if anything actually happened. */
696 /* Store in ENDPTR the address of one character
697 past the last character we converted. */
699 *endptr = (gchar*) s;
701 if (G_UNLIKELY (overflow))
710 /* We must handle a special case here: the base is 0 or 16 and the
711 first two characters are '0' and 'x', but the rest are no
712 hexadecimal digits. This is no error case. We return 0 and
713 ENDPTR points to the `x`. */
716 if (save - nptr >= 2 && TOUPPER (save[-1]) == 'X'
718 *endptr = (gchar*) &save[-1];
720 /* There was no number to convert. */
721 *endptr = (gchar*) nptr;
728 * @nptr: the string to convert to a numeric value.
729 * @endptr: if non-%NULL, it returns the character after
730 * the last character used in the conversion.
731 * @base: to be used for the conversion, 2..36 or 0
733 * Converts a string to a #guint64 value.
734 * This function behaves like the standard strtoull() function
735 * does in the C locale. It does this without actually
736 * changing the current locale, since that would not be
739 * This function is typically used when reading configuration
740 * files or other non-user input that should be locale independent.
741 * To handle input from the user you should normally use the
742 * locale-sensitive system strtoull() function.
744 * If the correct value would cause overflow, %G_MAXUINT64
745 * is returned, and %ERANGE is stored in %errno. If the base is
746 * outside the valid range, zero is returned, and %EINVAL is stored
747 * in %errno. If the string conversion fails, zero is returned, and
748 * @endptr returns @nptr (if @endptr is non-%NULL).
750 * Return value: the #guint64 value or zero on error.
755 g_ascii_strtoull (const gchar *nptr,
762 result = g_parse_long_long (nptr, endptr, base, &negative);
764 /* Return the result of the appropriate sign. */
765 return negative ? -result : result;
770 * @nptr: the string to convert to a numeric value.
771 * @endptr: if non-%NULL, it returns the character after
772 * the last character used in the conversion.
773 * @base: to be used for the conversion, 2..36 or 0
775 * Converts a string to a #gint64 value.
776 * This function behaves like the standard strtoll() function
777 * does in the C locale. It does this without actually
778 * changing the current locale, since that would not be
781 * This function is typically used when reading configuration
782 * files or other non-user input that should be locale independent.
783 * To handle input from the user you should normally use the
784 * locale-sensitive system strtoll() function.
786 * If the correct value would cause overflow, %G_MAXINT64 or %G_MININT64
787 * is returned, and %ERANGE is stored in %errno. If the base is
788 * outside the valid range, zero is returned, and %EINVAL is stored
789 * in %errno. If the string conversion fails, zero is returned, and
790 * @endptr returns @nptr (if @endptr is non-%NULL).
792 * Return value: the #gint64 value or zero on error.
797 g_ascii_strtoll (const gchar *nptr,
804 result = g_parse_long_long (nptr, endptr, base, &negative);
806 if (negative && result > (guint64) G_MININT64)
811 else if (!negative && result > (guint64) G_MAXINT64)
817 return (gint64) result;
820 G_CONST_RETURN gchar*
821 g_strerror (gint errnum)
823 static GStaticPrivate msg_private = G_STATIC_PRIVATE_INIT;
825 int saved_errno = errno;
828 const char *msg_locale;
830 msg_locale = strerror (errnum);
831 if (g_get_charset (NULL))
838 gchar *msg_utf8 = g_locale_to_utf8 (msg_locale, -1, NULL, NULL, NULL);
841 /* Stick in the quark table so that we can return a static result
843 GQuark msg_quark = g_quark_from_string (msg_utf8);
846 msg_utf8 = (gchar *) g_quark_to_string (msg_quark);
855 case E2BIG: return "argument list too long";
858 case EACCES: return "permission denied";
861 case EADDRINUSE: return "address already in use";
864 case EADDRNOTAVAIL: return "can't assign requested address";
867 case EADV: return "advertise error";
870 case EAFNOSUPPORT: return "address family not supported by protocol family";
873 case EAGAIN: return "try again";
876 case EALIGN: return "EALIGN";
879 case EALREADY: return "operation already in progress";
882 case EBADE: return "bad exchange descriptor";
885 case EBADF: return "bad file number";
888 case EBADFD: return "file descriptor in bad state";
891 case EBADMSG: return "not a data message";
894 case EBADR: return "bad request descriptor";
897 case EBADRPC: return "RPC structure is bad";
900 case EBADRQC: return "bad request code";
903 case EBADSLT: return "invalid slot";
906 case EBFONT: return "bad font file format";
909 case EBUSY: return "mount device busy";
912 case ECHILD: return "no children";
915 case ECHRNG: return "channel number out of range";
918 case ECOMM: return "communication error on send";
921 case ECONNABORTED: return "software caused connection abort";
924 case ECONNREFUSED: return "connection refused";
927 case ECONNRESET: return "connection reset by peer";
929 #if defined(EDEADLK) && (!defined(EWOULDBLOCK) || (EDEADLK != EWOULDBLOCK))
930 case EDEADLK: return "resource deadlock avoided";
933 case EDEADLOCK: return "resource deadlock avoided";
936 case EDESTADDRREQ: return "destination address required";
939 case EDIRTY: return "mounting a dirty fs w/o force";
942 case EDOM: return "math argument out of range";
945 case EDOTDOT: return "cross mount point";
948 case EDQUOT: return "disk quota exceeded";
951 case EDUPPKG: return "duplicate package name";
954 case EEXIST: return "file already exists";
957 case EFAULT: return "bad address in system call argument";
960 case EFBIG: return "file too large";
963 case EHOSTDOWN: return "host is down";
966 case EHOSTUNREACH: return "host is unreachable";
969 case EIDRM: return "identifier removed";
972 case EINIT: return "initialization error";
975 case EINPROGRESS: return "operation now in progress";
978 case EINTR: return "interrupted system call";
981 case EINVAL: return "invalid argument";
984 case EIO: return "I/O error";
987 case EISCONN: return "socket is already connected";
990 case EISDIR: return "is a directory";
993 case EISNAM: return "is a name file";
996 case ELBIN: return "ELBIN";
999 case EL2HLT: return "level 2 halted";
1002 case EL2NSYNC: return "level 2 not synchronized";
1005 case EL3HLT: return "level 3 halted";
1008 case EL3RST: return "level 3 reset";
1011 case ELIBACC: return "can not access a needed shared library";
1014 case ELIBBAD: return "accessing a corrupted shared library";
1017 case ELIBEXEC: return "can not exec a shared library directly";
1020 case ELIBMAX: return "attempting to link in more shared libraries than system limit";
1023 case ELIBSCN: return ".lib section in a.out corrupted";
1026 case ELNRNG: return "link number out of range";
1029 case ELOOP: return "too many levels of symbolic links";
1032 case EMFILE: return "too many open files";
1035 case EMLINK: return "too many links";
1038 case EMSGSIZE: return "message too long";
1041 case EMULTIHOP: return "multihop attempted";
1044 case ENAMETOOLONG: return "file name too long";
1047 case ENAVAIL: return "not available";
1050 case ENET: return "ENET";
1053 case ENETDOWN: return "network is down";
1056 case ENETRESET: return "network dropped connection on reset";
1059 case ENETUNREACH: return "network is unreachable";
1062 case ENFILE: return "file table overflow";
1065 case ENOANO: return "anode table overflow";
1067 #if defined(ENOBUFS) && (!defined(ENOSR) || (ENOBUFS != ENOSR))
1068 case ENOBUFS: return "no buffer space available";
1071 case ENOCSI: return "no CSI structure available";
1074 case ENODATA: return "no data available";
1077 case ENODEV: return "no such device";
1080 case ENOENT: return "no such file or directory";
1083 case ENOEXEC: return "exec format error";
1086 case ENOLCK: return "no locks available";
1089 case ENOLINK: return "link has be severed";
1092 case ENOMEM: return "not enough memory";
1095 case ENOMSG: return "no message of desired type";
1098 case ENONET: return "machine is not on the network";
1101 case ENOPKG: return "package not installed";
1104 case ENOPROTOOPT: return "bad proocol option";
1107 case ENOSPC: return "no space left on device";
1110 case ENOSR: return "out of stream resources";
1113 case ENOSTR: return "not a stream device";
1116 case ENOSYM: return "unresolved symbol name";
1119 case ENOSYS: return "function not implemented";
1122 case ENOTBLK: return "block device required";
1125 case ENOTCONN: return "socket is not connected";
1128 case ENOTDIR: return "not a directory";
1131 case ENOTEMPTY: return "directory not empty";
1134 case ENOTNAM: return "not a name file";
1137 case ENOTSOCK: return "socket operation on non-socket";
1140 case ENOTTY: return "inappropriate device for ioctl";
1143 case ENOTUNIQ: return "name not unique on network";
1146 case ENXIO: return "no such device or address";
1149 case EOPNOTSUPP: return "operation not supported on socket";
1152 case EPERM: return "not owner";
1155 case EPFNOSUPPORT: return "protocol family not supported";
1158 case EPIPE: return "broken pipe";
1161 case EPROCLIM: return "too many processes";
1164 case EPROCUNAVAIL: return "bad procedure for program";
1166 #ifdef EPROGMISMATCH
1167 case EPROGMISMATCH: return "program version wrong";
1170 case EPROGUNAVAIL: return "RPC program not available";
1173 case EPROTO: return "protocol error";
1175 #ifdef EPROTONOSUPPORT
1176 case EPROTONOSUPPORT: return "protocol not suppored";
1179 case EPROTOTYPE: return "protocol wrong type for socket";
1182 case ERANGE: return "math result unrepresentable";
1184 #if defined(EREFUSED) && (!defined(ECONNREFUSED) || (EREFUSED != ECONNREFUSED))
1185 case EREFUSED: return "EREFUSED";
1188 case EREMCHG: return "remote address changed";
1191 case EREMDEV: return "remote device";
1194 case EREMOTE: return "pathname hit remote file system";
1197 case EREMOTEIO: return "remote i/o error";
1199 #ifdef EREMOTERELEASE
1200 case EREMOTERELEASE: return "EREMOTERELEASE";
1203 case EROFS: return "read-only file system";
1206 case ERPCMISMATCH: return "RPC version is wrong";
1209 case ERREMOTE: return "object is remote";
1212 case ESHUTDOWN: return "can't send afer socket shutdown";
1214 #ifdef ESOCKTNOSUPPORT
1215 case ESOCKTNOSUPPORT: return "socket type not supported";
1218 case ESPIPE: return "invalid seek";
1221 case ESRCH: return "no such process";
1224 case ESRMNT: return "srmount error";
1227 case ESTALE: return "stale remote file handle";
1230 case ESUCCESS: return "Error 0";
1233 case ETIME: return "timer expired";
1236 case ETIMEDOUT: return "connection timed out";
1239 case ETOOMANYREFS: return "too many references: can't splice";
1242 case ETXTBSY: return "text file or pseudo-device busy";
1245 case EUCLEAN: return "structure needs cleaning";
1248 case EUNATCH: return "protocol driver not attached";
1251 case EUSERS: return "too many users";
1254 case EVERSION: return "version mismatch";
1256 #if defined(EWOULDBLOCK) && (!defined(EAGAIN) || (EWOULDBLOCK != EAGAIN))
1257 case EWOULDBLOCK: return "operation would block";
1260 case EXDEV: return "cross-domain link";
1263 case EXFULL: return "message tables full";
1266 #else /* NO_SYS_ERRLIST */
1267 extern int sys_nerr;
1268 extern char *sys_errlist[];
1270 if ((errnum > 0) && (errnum <= sys_nerr))
1271 return sys_errlist [errnum];
1272 #endif /* NO_SYS_ERRLIST */
1274 msg = g_static_private_get (&msg_private);
1277 msg = g_new (gchar, 64);
1278 g_static_private_set (&msg_private, msg, g_free);
1281 _g_sprintf (msg, "unknown error (%d)", errnum);
1283 errno = saved_errno;
1287 G_CONST_RETURN gchar*
1288 g_strsignal (gint signum)
1290 static GStaticPrivate msg_private = G_STATIC_PRIVATE_INIT;
1293 #ifdef HAVE_STRSIGNAL
1294 const char *msg_locale;
1296 #if defined(G_OS_BEOS) || defined(G_WITH_CYGWIN)
1297 extern const char *strsignal(int);
1299 /* this is declared differently (const) in string.h on BeOS */
1300 extern char *strsignal (int sig);
1301 #endif /* !G_OS_BEOS && !G_WITH_CYGWIN */
1302 msg_locale = strsignal (signum);
1303 if (g_get_charset (NULL))
1307 gchar *msg_utf8 = g_locale_to_utf8 (msg_locale, -1, NULL, NULL, NULL);
1310 /* Stick in the quark table so that we can return a static result
1312 GQuark msg_quark = g_quark_from_string (msg_utf8);
1315 return g_quark_to_string (msg_quark);
1318 #elif NO_SYS_SIGLIST
1322 case SIGHUP: return "Hangup";
1325 case SIGINT: return "Interrupt";
1328 case SIGQUIT: return "Quit";
1331 case SIGILL: return "Illegal instruction";
1334 case SIGTRAP: return "Trace/breakpoint trap";
1337 case SIGABRT: return "IOT trap/Abort";
1340 case SIGBUS: return "Bus error";
1343 case SIGFPE: return "Floating point exception";
1346 case SIGKILL: return "Killed";
1349 case SIGUSR1: return "User defined signal 1";
1352 case SIGSEGV: return "Segmentation fault";
1355 case SIGUSR2: return "User defined signal 2";
1358 case SIGPIPE: return "Broken pipe";
1361 case SIGALRM: return "Alarm clock";
1364 case SIGTERM: return "Terminated";
1367 case SIGSTKFLT: return "Stack fault";
1370 case SIGCHLD: return "Child exited";
1373 case SIGCONT: return "Continued";
1376 case SIGSTOP: return "Stopped (signal)";
1379 case SIGTSTP: return "Stopped";
1382 case SIGTTIN: return "Stopped (tty input)";
1385 case SIGTTOU: return "Stopped (tty output)";
1388 case SIGURG: return "Urgent condition";
1391 case SIGXCPU: return "CPU time limit exceeded";
1394 case SIGXFSZ: return "File size limit exceeded";
1397 case SIGVTALRM: return "Virtual time alarm";
1400 case SIGPROF: return "Profile signal";
1403 case SIGWINCH: return "Window size changed";
1406 case SIGIO: return "Possible I/O";
1409 case SIGPWR: return "Power failure";
1412 case SIGUNUSED: return "Unused signal";
1415 #else /* NO_SYS_SIGLIST */
1417 #ifdef NO_SYS_SIGLIST_DECL
1418 extern char *sys_siglist[]; /*(see Tue Jan 19 00:44:24 1999 in changelog)*/
1421 return (char*) /* this function should return const --josh */ sys_siglist [signum];
1422 #endif /* NO_SYS_SIGLIST */
1424 msg = g_static_private_get (&msg_private);
1427 msg = g_new (gchar, 64);
1428 g_static_private_set (&msg_private, msg, g_free);
1431 _g_sprintf (msg, "unknown signal (%d)", signum);
1436 /* Functions g_strlcpy and g_strlcat were originally developed by
1437 * Todd C. Miller <Todd.Miller@courtesan.com> to simplify writing secure code.
1438 * See ftp://ftp.openbsd.org/pub/OpenBSD/src/lib/libc/string/strlcpy.3
1439 * for more information.
1443 /* Use the native ones, if available; they might be implemented in assembly */
1445 g_strlcpy (gchar *dest,
1449 g_return_val_if_fail (dest != NULL, 0);
1450 g_return_val_if_fail (src != NULL, 0);
1452 return strlcpy (dest, src, dest_size);
1456 g_strlcat (gchar *dest,
1460 g_return_val_if_fail (dest != NULL, 0);
1461 g_return_val_if_fail (src != NULL, 0);
1463 return strlcat (dest, src, dest_size);
1466 #else /* ! HAVE_STRLCPY */
1469 * Copy string src to buffer dest (of buffer size dest_size). At most
1470 * dest_size-1 characters will be copied. Always NUL terminates
1471 * (unless dest_size == 0). This function does NOT allocate memory.
1472 * Unlike strncpy, this function doesn't pad dest (so it's often faster).
1473 * Returns size of attempted result, strlen(src),
1474 * so if retval >= dest_size, truncation occurred.
1477 g_strlcpy (gchar *dest,
1481 register gchar *d = dest;
1482 register const gchar *s = src;
1483 register gsize n = dest_size;
1485 g_return_val_if_fail (dest != NULL, 0);
1486 g_return_val_if_fail (src != NULL, 0);
1488 /* Copy as many bytes as will fit */
1489 if (n != 0 && --n != 0)
1492 register gchar c = *s++;
1500 /* If not enough room in dest, add NUL and traverse rest of src */
1509 return s - src - 1; /* count does not include NUL */
1514 * Appends string src to buffer dest (of buffer size dest_size).
1515 * At most dest_size-1 characters will be copied.
1516 * Unlike strncat, dest_size is the full size of dest, not the space left over.
1517 * This function does NOT allocate memory.
1518 * This always NUL terminates (unless siz == 0 or there were no NUL characters
1519 * in the dest_size characters of dest to start with).
1520 * Returns size of attempted result, which is
1521 * MIN (dest_size, strlen (original dest)) + strlen (src),
1522 * so if retval >= dest_size, truncation occurred.
1525 g_strlcat (gchar *dest,
1529 register gchar *d = dest;
1530 register const gchar *s = src;
1531 register gsize bytes_left = dest_size;
1532 gsize dlength; /* Logically, MIN (strlen (d), dest_size) */
1534 g_return_val_if_fail (dest != NULL, 0);
1535 g_return_val_if_fail (src != NULL, 0);
1537 /* Find the end of dst and adjust bytes left but don't go past end */
1538 while (*d != 0 && bytes_left-- != 0)
1541 bytes_left = dest_size - dlength;
1543 if (bytes_left == 0)
1544 return dlength + strlen (s);
1548 if (bytes_left != 1)
1557 return dlength + (s - src); /* count does not include NUL */
1559 #endif /* ! HAVE_STRLCPY */
1564 * @len: length of @str in bytes, or -1 if @str is nul-terminated.
1566 * Converts all upper case ASCII letters to lower case ASCII letters.
1568 * Return value: a newly-allocated string, with all the upper case
1569 * characters in @str converted to lower case, with
1570 * semantics that exactly match g_ascii_tolower(). (Note
1571 * that this is unlike the old g_strdown(), which modified
1572 * the string in place.)
1575 g_ascii_strdown (const gchar *str,
1580 g_return_val_if_fail (str != NULL, NULL);
1585 result = g_strndup (str, len);
1586 for (s = result; *s; s++)
1587 *s = g_ascii_tolower (*s);
1595 * @len: length of @str in bytes, or -1 if @str is nul-terminated.
1597 * Converts all lower case ASCII letters to upper case ASCII letters.
1599 * Return value: a newly allocated string, with all the lower case
1600 * characters in @str converted to upper case, with
1601 * semantics that exactly match g_ascii_toupper(). (Note
1602 * that this is unlike the old g_strup(), which modified
1603 * the string in place.)
1606 g_ascii_strup (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_toupper (*s);
1625 * @string: the string to convert.
1627 * Converts a string to lower case.
1629 * Return value: the string
1631 * Deprecated:2.2: This function is totally broken for the reasons discussed
1632 * in the g_strncasecmp() docs - use g_ascii_strdown() or g_utf8_strdown()
1636 g_strdown (gchar *string)
1640 g_return_val_if_fail (string != NULL, NULL);
1642 s = (guchar *) string;
1651 return (gchar *) string;
1656 * @string: the string to convert.
1658 * Converts a string to upper 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_strup() or g_utf8_strup() instead.
1666 g_strup (gchar *string)
1670 g_return_val_if_fail (string != NULL, NULL);
1672 s = (guchar *) string;
1681 return (gchar *) string;
1685 g_strreverse (gchar *string)
1687 g_return_val_if_fail (string != NULL, NULL);
1691 register gchar *h, *t;
1694 t = string + strlen (string) - 1;
1713 * @c: any character.
1715 * Convert a character to ASCII lower case.
1717 * Unlike the standard C library tolower() function, this only
1718 * recognizes standard ASCII letters and ignores the locale, returning
1719 * all non-ASCII characters unchanged, even if they are lower case
1720 * letters in a particular character set. Also unlike the standard
1721 * library function, this takes and returns a char, not an int, so
1722 * don't call it on %EOF but no need to worry about casting to #guchar
1723 * before passing a possibly non-ASCII character in.
1725 * Return value: the result of converting @c to lower case.
1726 * If @c is not an ASCII upper case letter,
1727 * @c is returned unchanged.
1730 g_ascii_tolower (gchar c)
1732 return g_ascii_isupper (c) ? c - 'A' + 'a' : c;
1737 * @c: any character.
1739 * Convert a character to ASCII upper case.
1741 * Unlike the standard C library toupper() function, this only
1742 * recognizes standard ASCII letters and ignores the locale, returning
1743 * all non-ASCII characters unchanged, even if they are upper case
1744 * letters in a particular character set. Also unlike the standard
1745 * library function, this takes and returns a char, not an int, so
1746 * don't call it on %EOF but no need to worry about casting to #guchar
1747 * before passing a possibly non-ASCII character in.
1749 * Return value: the result of converting @c to upper case.
1750 * If @c is not an ASCII lower case letter,
1751 * @c is returned unchanged.
1754 g_ascii_toupper (gchar c)
1756 return g_ascii_islower (c) ? c - 'a' + 'A' : c;
1760 * g_ascii_digit_value:
1761 * @c: an ASCII character.
1763 * Determines the numeric value of a character as a decimal
1764 * digit. Differs from g_unichar_digit_value() because it takes
1765 * a char, so there's no worry about sign extension if characters
1768 * Return value: If @c is a decimal digit (according to
1769 * g_ascii_isdigit()), its numeric value. Otherwise, -1.
1772 g_ascii_digit_value (gchar c)
1774 if (g_ascii_isdigit (c))
1780 * g_ascii_xdigit_value:
1781 * @c: an ASCII character.
1783 * Determines the numeric value of a character as a hexidecimal
1784 * digit. Differs from g_unichar_xdigit_value() because it takes
1785 * a char, so there's no worry about sign extension if characters
1788 * Return value: If @c is a hex digit (according to
1789 * g_ascii_isxdigit()), its numeric value. Otherwise, -1.
1792 g_ascii_xdigit_value (gchar c)
1794 if (c >= 'A' && c <= 'F')
1795 return c - 'A' + 10;
1796 if (c >= 'a' && c <= 'f')
1797 return c - 'a' + 10;
1798 return g_ascii_digit_value (c);
1802 * g_ascii_strcasecmp:
1803 * @s1: string to compare with @s2.
1804 * @s2: string to compare with @s1.
1806 * Compare two strings, ignoring the case of ASCII characters.
1808 * Unlike the BSD strcasecmp() function, this only recognizes standard
1809 * ASCII letters and ignores the locale, treating all non-ASCII
1810 * bytes as if they are not letters.
1812 * This function should be used only on strings that are known to be
1813 * in encodings where the bytes corresponding to ASCII letters always
1814 * represent themselves. This includes UTF-8 and the ISO-8859-*
1815 * charsets, but not for instance double-byte encodings like the
1816 * Windows Codepage 932, where the trailing bytes of double-byte
1817 * characters include all ASCII letters. If you compare two CP932
1818 * strings using this function, you will get false matches.
1820 * Return value: 0 if the strings match, a negative value if @s1 < @s2,
1821 * or a positive value if @s1 > @s2.
1824 g_ascii_strcasecmp (const gchar *s1,
1829 g_return_val_if_fail (s1 != NULL, 0);
1830 g_return_val_if_fail (s2 != NULL, 0);
1834 c1 = (gint)(guchar) TOLOWER (*s1);
1835 c2 = (gint)(guchar) TOLOWER (*s2);
1841 return (((gint)(guchar) *s1) - ((gint)(guchar) *s2));
1845 * g_ascii_strncasecmp:
1846 * @s1: string to compare with @s2.
1847 * @s2: string to compare with @s1.
1848 * @n: number of characters to compare.
1850 * Compare @s1 and @s2, ignoring the case of ASCII characters and any
1851 * characters after the first @n in each string.
1853 * Unlike the BSD strcasecmp() function, this only recognizes standard
1854 * ASCII letters and ignores the locale, treating all non-ASCII
1855 * characters as if they are not letters.
1857 * The same warning as in g_ascii_strcasecmp() applies: Use this
1858 * function only on strings known to be in encodings where bytes
1859 * corresponding to ASCII letters always represent themselves.
1861 * Return value: 0 if the strings match, a negative value if @s1 < @s2,
1862 * or a positive value if @s1 > @s2.
1865 g_ascii_strncasecmp (const gchar *s1,
1871 g_return_val_if_fail (s1 != NULL, 0);
1872 g_return_val_if_fail (s2 != NULL, 0);
1874 while (n && *s1 && *s2)
1877 c1 = (gint)(guchar) TOLOWER (*s1);
1878 c2 = (gint)(guchar) TOLOWER (*s2);
1885 return (((gint) (guchar) *s1) - ((gint) (guchar) *s2));
1893 * @s2: a string to compare with @s1.
1895 * A case-insensitive string comparison, corresponding to the standard
1896 * strcasecmp() function on platforms which support it.
1898 * Return value: 0 if the strings match, a negative value if @s1 < @s2,
1899 * or a positive value if @s1 > @s2.
1901 * Deprecated:2.2: See g_strncasecmp() for a discussion of why this function
1902 * is deprecated and how to replace it.
1905 g_strcasecmp (const gchar *s1,
1908 #ifdef HAVE_STRCASECMP
1909 g_return_val_if_fail (s1 != NULL, 0);
1910 g_return_val_if_fail (s2 != NULL, 0);
1912 return strcasecmp (s1, s2);
1916 g_return_val_if_fail (s1 != NULL, 0);
1917 g_return_val_if_fail (s2 != NULL, 0);
1921 /* According to A. Cox, some platforms have islower's that
1922 * don't work right on non-uppercase
1924 c1 = isupper ((guchar)*s1) ? tolower ((guchar)*s1) : *s1;
1925 c2 = isupper ((guchar)*s2) ? tolower ((guchar)*s2) : *s2;
1931 return (((gint)(guchar) *s1) - ((gint)(guchar) *s2));
1938 * @s2: a string to compare with @s1.
1939 * @n: the maximum number of characters to compare.
1941 * A case-insensitive string comparison, corresponding to the standard
1942 * strncasecmp() function on platforms which support it.
1943 * It is similar to g_strcasecmp() except it only compares the first @n
1944 * characters of the strings.
1946 * Return value: 0 if the strings match, a negative value if @s1 < @s2,
1947 * or a positive value if @s1 > @s2.
1949 * Deprecated:2.2: The problem with g_strncasecmp() is that it does the
1950 * comparison by calling toupper()/tolower(). These functions are
1951 * locale-specific and operate on single bytes. However, it is impossible
1952 * to handle things correctly from an I18N standpoint by operating on
1953 * bytes, since characters may be multibyte. Thus g_strncasecmp() is
1954 * broken if your string is guaranteed to be ASCII, since it's
1955 * locale-sensitive, and it's broken if your string is localized, since
1956 * it doesn't work on many encodings at all, including UTF-8, EUC-JP,
1959 * There are therefore two replacement functions: g_ascii_strncasecmp(),
1960 * which only works on ASCII and is not locale-sensitive, and
1961 * g_utf8_casefold(), which is good for case-insensitive sorting of UTF-8.
1964 g_strncasecmp (const gchar *s1,
1968 #ifdef HAVE_STRNCASECMP
1969 return strncasecmp (s1, s2, n);
1973 g_return_val_if_fail (s1 != NULL, 0);
1974 g_return_val_if_fail (s2 != NULL, 0);
1976 while (n && *s1 && *s2)
1979 /* According to A. Cox, some platforms have islower's that
1980 * don't work right on non-uppercase
1982 c1 = isupper ((guchar)*s1) ? tolower ((guchar)*s1) : *s1;
1983 c2 = isupper ((guchar)*s2) ? tolower ((guchar)*s2) : *s2;
1990 return (((gint) (guchar) *s1) - ((gint) (guchar) *s2));
1997 g_strdelimit (gchar *string,
1998 const gchar *delimiters,
2003 g_return_val_if_fail (string != NULL, NULL);
2006 delimiters = G_STR_DELIMITERS;
2008 for (c = string; *c; c++)
2010 if (strchr (delimiters, *c))
2018 g_strcanon (gchar *string,
2019 const gchar *valid_chars,
2024 g_return_val_if_fail (string != NULL, NULL);
2025 g_return_val_if_fail (valid_chars != NULL, NULL);
2027 for (c = string; *c; c++)
2029 if (!strchr (valid_chars, *c))
2037 g_strcompress (const gchar *source)
2039 const gchar *p = source, *octal;
2040 gchar *dest = g_malloc (strlen (source) + 1);
2051 g_warning ("g_strcompress: trailing \\");
2053 case '0': case '1': case '2': case '3': case '4':
2054 case '5': case '6': case '7':
2057 while ((p < octal + 3) && (*p >= '0') && (*p <= '7'))
2059 *q = (*q * 8) + (*p - '0');
2080 default: /* Also handles \" and \\ */
2096 g_strescape (const gchar *source,
2097 const gchar *exceptions)
2104 g_return_val_if_fail (source != NULL, NULL);
2106 p = (guchar *) source;
2107 /* Each source byte needs maximally four destination chars (\777) */
2108 q = dest = g_malloc (strlen (source) * 4 + 1);
2110 memset (excmap, 0, 256);
2113 guchar *e = (guchar *) exceptions;
2159 if ((*p < ' ') || (*p >= 0177))
2162 *q++ = '0' + (((*p) >> 6) & 07);
2163 *q++ = '0' + (((*p) >> 3) & 07);
2164 *q++ = '0' + ((*p) & 07);
2178 g_strchug (gchar *string)
2182 g_return_val_if_fail (string != NULL, NULL);
2184 for (start = (guchar*) string; *start && g_ascii_isspace (*start); start++)
2187 g_memmove (string, start, strlen ((gchar *) start) + 1);
2193 g_strchomp (gchar *string)
2197 g_return_val_if_fail (string != NULL, NULL);
2199 len = strlen (string);
2202 if (g_ascii_isspace ((guchar) string[len]))
2213 * @string: a string to split.
2214 * @delimiter: a string which specifies the places at which to split the string.
2215 * The delimiter is not included in any of the resulting strings, unless
2216 * @max_tokens is reached.
2217 * @max_tokens: the maximum number of pieces to split @string into. If this is
2218 * less than 1, the string is split completely.
2220 * Splits a string into a maximum of @max_tokens pieces, using the given
2221 * @delimiter. If @max_tokens is reached, the remainder of @string is appended
2222 * to the last token.
2224 * As a special case, the result of splitting the empty string "" is an empty
2225 * vector, not a vector containing a single string. The reason for this
2226 * special case is that being able to represent a empty vector is typically
2227 * more useful than consistent handling of empty elements. If you do need
2228 * to represent empty elements, you'll need to check for the empty string
2229 * before calling g_strsplit().
2231 * Return value: a newly-allocated %NULL-terminated array of strings. Use
2232 * g_strfreev() to free it.
2235 g_strsplit (const gchar *string,
2236 const gchar *delimiter,
2239 GSList *string_list = NULL, *slist;
2240 gchar **str_array, *s;
2242 const gchar *remainder;
2244 g_return_val_if_fail (string != NULL, NULL);
2245 g_return_val_if_fail (delimiter != NULL, NULL);
2246 g_return_val_if_fail (delimiter[0] != '\0', NULL);
2249 max_tokens = G_MAXINT;
2252 s = strstr (remainder, delimiter);
2255 gsize delimiter_len = strlen (delimiter);
2257 while (--max_tokens && s)
2262 len = s - remainder;
2263 new_string = g_new (gchar, len + 1);
2264 strncpy (new_string, remainder, len);
2265 new_string[len] = 0;
2266 string_list = g_slist_prepend (string_list, new_string);
2268 remainder = s + delimiter_len;
2269 s = strstr (remainder, delimiter);
2275 string_list = g_slist_prepend (string_list, g_strdup (remainder));
2278 str_array = g_new (gchar*, n + 1);
2280 str_array[n--] = NULL;
2281 for (slist = string_list; slist; slist = slist->next)
2282 str_array[n--] = slist->data;
2284 g_slist_free (string_list);
2291 * @string: The string to be tokenized
2292 * @delimiters: A nul-terminated string containing bytes that are used
2293 * to split the string.
2294 * @max_tokens: The maximum number of tokens to split @string into.
2295 * If this is less than 1, the string is split completely
2297 * Splits @string into a number of tokens not containing any of the characters
2298 * in @delimiter. A token is the (possibly empty) longest string that does not
2299 * contain any of the characters in @delimiters. If @max_tokens is reached, the
2300 * remainder is appended to the last token.
2302 * For example the result of g_strsplit_set ("abc:def/ghi", ":/", -1) is a
2303 * %NULL-terminated vector containing the three strings "abc", "def",
2306 * The result if g_strsplit_set (":def/ghi:", ":/", -1) is a %NULL-terminated
2307 * vector containing the four strings "", "def", "ghi", and "".
2309 * As a special case, the result of splitting the empty string "" is an empty
2310 * vector, not a vector containing a single string. The reason for this
2311 * special case is that being able to represent a empty vector is typically
2312 * more useful than consistent handling of empty elements. If you do need
2313 * to represent empty elements, you'll need to check for the empty string
2314 * before calling g_strsplit_set().
2316 * Note that this function works on bytes not characters, so it can't be used
2317 * to delimit UTF-8 strings for anything but ASCII characters.
2319 * Return value: a newly-allocated %NULL-terminated array of strings. Use
2320 * g_strfreev() to free it.
2325 g_strsplit_set (const gchar *string,
2326 const gchar *delimiters,
2329 gboolean delim_table[256];
2330 GSList *tokens, *list;
2333 const gchar *current;
2337 g_return_val_if_fail (string != NULL, NULL);
2338 g_return_val_if_fail (delimiters != NULL, NULL);
2341 max_tokens = G_MAXINT;
2343 if (*string == '\0')
2345 result = g_new (char *, 1);
2350 memset (delim_table, FALSE, sizeof (delim_table));
2351 for (s = delimiters; *s != '\0'; ++s)
2352 delim_table[*(guchar *)s] = TRUE;
2357 s = current = string;
2360 if (delim_table[*(guchar *)s] && n_tokens + 1 < max_tokens)
2364 token = g_strndup (current, s - current);
2365 tokens = g_slist_prepend (tokens, token);
2374 token = g_strndup (current, s - current);
2375 tokens = g_slist_prepend (tokens, token);
2378 result = g_new (gchar *, n_tokens + 1);
2380 result[n_tokens] = NULL;
2381 for (list = tokens; list != NULL; list = list->next)
2382 result[--n_tokens] = list->data;
2384 g_slist_free (tokens);
2391 * @str_array: a %NULL-terminated array of strings to free.
2393 * Frees a %NULL-terminated array of strings, and the array itself.
2394 * If called on a %NULL value, g_strfreev() simply returns.
2397 g_strfreev (gchar **str_array)
2403 for(i = 0; str_array[i] != NULL; i++)
2404 g_free(str_array[i]);
2412 * @str_array: %NULL-terminated array of strings.
2414 * Copies %NULL-terminated array of strings. The copy is a deep copy;
2415 * the new array should be freed by first freeing each string, then
2416 * the array itself. g_strfreev() does this for you. If called
2417 * on a %NULL value, g_strdupv() simply returns %NULL.
2419 * Return value: a new %NULL-terminated array of strings.
2422 g_strdupv (gchar **str_array)
2430 while (str_array[i])
2433 retval = g_new (gchar*, i + 1);
2436 while (str_array[i])
2438 retval[i] = g_strdup (str_array[i]);
2450 g_strjoinv (const gchar *separator,
2456 g_return_val_if_fail (str_array != NULL, NULL);
2458 if (separator == NULL)
2465 gsize separator_len;
2467 separator_len = strlen (separator);
2468 /* First part, getting length */
2469 len = 1 + strlen (str_array[0]);
2470 for (i = 1; str_array[i] != NULL; i++)
2471 len += strlen (str_array[i]);
2472 len += separator_len * (i - 1);
2474 /* Second part, building string */
2475 string = g_new (gchar, len);
2476 ptr = g_stpcpy (string, *str_array);
2477 for (i = 1; str_array[i] != NULL; i++)
2479 ptr = g_stpcpy (ptr, separator);
2480 ptr = g_stpcpy (ptr, str_array[i]);
2484 string = g_strdup ("");
2490 g_strjoin (const gchar *separator,
2496 gsize separator_len;
2499 if (separator == NULL)
2502 separator_len = strlen (separator);
2504 va_start (args, separator);
2506 s = va_arg (args, gchar*);
2510 /* First part, getting length */
2511 len = 1 + strlen (s);
2513 s = va_arg (args, gchar*);
2516 len += separator_len + strlen (s);
2517 s = va_arg (args, gchar*);
2521 /* Second part, building string */
2522 string = g_new (gchar, len);
2524 va_start (args, separator);
2526 s = va_arg (args, gchar*);
2527 ptr = g_stpcpy (string, s);
2529 s = va_arg (args, gchar*);
2532 ptr = g_stpcpy (ptr, separator);
2533 ptr = g_stpcpy (ptr, s);
2534 s = va_arg (args, gchar*);
2538 string = g_strdup ("");
2548 * @haystack: a string.
2549 * @haystack_len: the maximum length of @haystack.
2550 * @needle: the string to search for.
2552 * Searches the string @haystack for the first occurrence
2553 * of the string @needle, limiting the length of the search
2556 * Return value: a pointer to the found occurrence, or
2557 * %NULL if not found.
2560 g_strstr_len (const gchar *haystack,
2561 gssize haystack_len,
2562 const gchar *needle)
2564 g_return_val_if_fail (haystack != NULL, NULL);
2565 g_return_val_if_fail (needle != NULL, NULL);
2567 if (haystack_len < 0)
2568 return strstr (haystack, needle);
2571 const gchar *p = haystack;
2572 gsize needle_len = strlen (needle);
2576 if (needle_len == 0)
2577 return (gchar *)haystack;
2579 if (haystack_len < needle_len)
2582 end = haystack + haystack_len - needle_len;
2584 while (*p && p <= end)
2586 for (i = 0; i < needle_len; i++)
2587 if (p[i] != needle[i])
2602 * @haystack: a nul-terminated string.
2603 * @needle: the nul-terminated string to search for.
2605 * Searches the string @haystack for the last occurrence
2606 * of the string @needle.
2608 * Return value: a pointer to the found occurrence, or
2609 * %NULL if not found.
2612 g_strrstr (const gchar *haystack,
2613 const gchar *needle)
2620 g_return_val_if_fail (haystack != NULL, NULL);
2621 g_return_val_if_fail (needle != NULL, NULL);
2623 needle_len = strlen (needle);
2624 haystack_len = strlen (haystack);
2626 if (needle_len == 0)
2627 return (gchar *)haystack;
2629 if (haystack_len < needle_len)
2632 p = haystack + haystack_len - needle_len;
2634 while (p >= haystack)
2636 for (i = 0; i < needle_len; i++)
2637 if (p[i] != needle[i])
2651 * @haystack: a nul-terminated string.
2652 * @haystack_len: the maximum length of @haystack.
2653 * @needle: the nul-terminated string to search for.
2655 * Searches the string @haystack for the last occurrence
2656 * of the string @needle, limiting the length of the search
2659 * Return value: a pointer to the found occurrence, or
2660 * %NULL if not found.
2663 g_strrstr_len (const gchar *haystack,
2664 gssize haystack_len,
2665 const gchar *needle)
2667 g_return_val_if_fail (haystack != NULL, NULL);
2668 g_return_val_if_fail (needle != NULL, NULL);
2670 if (haystack_len < 0)
2671 return g_strrstr (haystack, needle);
2674 gsize needle_len = strlen (needle);
2675 const gchar *haystack_max = haystack + haystack_len;
2676 const gchar *p = haystack;
2679 while (p < haystack_max && *p)
2682 if (p < haystack + needle_len)
2687 while (p >= haystack)
2689 for (i = 0; i < needle_len; i++)
2690 if (p[i] != needle[i])
2706 * @str: a nul-terminated string.
2707 * @suffix: the nul-terminated suffix to look for.
2709 * Looks whether the string @str ends with @suffix.
2711 * Return value: %TRUE if @str end with @suffix, %FALSE otherwise.
2716 g_str_has_suffix (const gchar *str,
2717 const gchar *suffix)
2722 g_return_val_if_fail (str != NULL, FALSE);
2723 g_return_val_if_fail (suffix != NULL, FALSE);
2725 str_len = strlen (str);
2726 suffix_len = strlen (suffix);
2728 if (str_len < suffix_len)
2731 return strcmp (str + str_len - suffix_len, suffix) == 0;
2736 * @str: a nul-terminated string.
2737 * @prefix: the nul-terminated prefix to look for.
2739 * Looks whether the string @str begins with @prefix.
2741 * Return value: %TRUE if @str begins with @prefix, %FALSE otherwise.
2746 g_str_has_prefix (const gchar *str,
2747 const gchar *prefix)
2752 g_return_val_if_fail (str != NULL, FALSE);
2753 g_return_val_if_fail (prefix != NULL, FALSE);
2755 str_len = strlen (str);
2756 prefix_len = strlen (prefix);
2758 if (str_len < prefix_len)
2761 return strncmp (str, prefix, prefix_len) == 0;
2768 * @msgval: another string
2770 * An auxiliary function for gettext() support (see Q_()).
2772 * Return value: @msgval, unless @msgval is identical to @msgid and contains
2773 * a '|' character, in which case a pointer to the substring of msgid after
2774 * the first '|' character is returned.
2778 G_CONST_RETURN gchar *
2779 g_strip_context (const gchar *msgid,
2780 const gchar *msgval)
2782 if (msgval == msgid)
2784 const char *c = strchr (msgid, '|');
2795 * @str_array: a %NULL-terminated array of strings.
2797 * Returns the length of the given %NULL-terminated
2798 * string array @str_array.
2800 * Return value: length of @str_array.
2805 g_strv_length (gchar **str_array)
2809 g_return_val_if_fail (str_array != NULL, 0);
2811 while (str_array[i])
2817 #define __G_STRFUNCS_C__
2818 #include "galiasdef.c"