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 if (*p == '+' || *p == '-')
574 while (isdigit ((guchar)*p))
577 if (strncmp (p, decimal_point, decimal_point_len) == 0)
581 if (decimal_point_len > 1) {
582 rest_len = strlen (p + (decimal_point_len-1));
583 memmove (p, p + (decimal_point_len-1),
596 * @nptr: the string to convert to a numeric value.
597 * @endptr: if non-%NULL, it returns the character after
598 * the last character used in the conversion.
599 * @base: to be used for the conversion, 2..36 or 0
601 * Converts a string to a #guint64 value.
602 * This function behaves like the standard strtoull() function
603 * does in the C locale. It does this without actually
604 * changing the current locale, since that would not be
607 * This function is typically used when reading configuration
608 * files or other non-user input that should be locale independent.
609 * To handle input from the user you should normally use the
610 * locale-sensitive system strtoull() function.
612 * If the correct value would cause overflow, %G_MAXUINT64
613 * is returned, and %ERANGE is stored in %errno.
615 * Return value: the #guint64 value.
620 g_ascii_strtoull (const gchar *nptr,
624 /* this code is based on on the strtol(3) code from GNU libc released under
625 * the GNU Lesser General Public License.
627 * Copyright (C) 1991,92,94,95,96,97,98,99,2000,01,02
628 * Free Software Foundation, Inc.
630 #define ISSPACE(c) ((c) == ' ' || (c) == '\f' || (c) == '\n' || \
631 (c) == '\r' || (c) == '\t' || (c) == '\v')
632 #define ISUPPER(c) ((c) >= 'A' && (c) <= 'Z')
633 #define ISLOWER(c) ((c) >= 'a' && (c) <= 'z')
634 #define ISALPHA(c) (ISUPPER (c) || ISLOWER (c))
635 #define TOUPPER(c) (ISLOWER (c) ? (c) - 'a' + 'A' : (c))
636 #define TOLOWER(c) (ISUPPER (c) ? (c) - 'A' + 'a' : (c))
637 gboolean negative, overflow;
641 const gchar *s, *save;
644 g_return_val_if_fail (nptr != NULL, 0);
646 if (base == 1 || base > 36)
654 /* Skip white space. */
660 /* Check for a sign. */
670 /* Recognize number prefix and if BASE is zero, figure it out ourselves. */
673 if ((base == 0 || base == 16) && TOUPPER (s[1]) == 'X')
684 /* Save the pointer so we can check later if anything happened. */
686 cutoff = G_MAXUINT64 / base;
687 cutlim = G_MAXUINT64 % base;
694 if (c >= '0' && c <= '9')
696 else if (ISALPHA (c))
697 c = TOUPPER (c) - 'A' + 10;
702 /* Check for overflow. */
703 if (ui64 > cutoff || (ui64 == cutoff && c > cutlim))
712 /* Check if anything actually happened. */
716 /* Store in ENDPTR the address of one character
717 past the last character we converted. */
719 *endptr = (gchar*) s;
727 /* Return the result of the appropriate sign. */
728 return negative ? -ui64 : ui64;
731 /* We must handle a special case here: the base is 0 or 16 and the
732 first two characters are '0' and 'x', but the rest are no
733 hexadecimal digits. This is no error case. We return 0 and
734 ENDPTR points to the `x`. */
737 if (save - nptr >= 2 && TOUPPER (save[-1]) == 'X'
739 *endptr = (gchar*) &save[-1];
741 /* There was no number to convert. */
742 *endptr = (gchar*) nptr;
748 G_CONST_RETURN gchar*
749 g_strerror (gint errnum)
751 static GStaticPrivate msg_private = G_STATIC_PRIVATE_INIT;
753 int saved_errno = errno;
756 const char *msg_locale;
758 msg_locale = strerror (errnum);
759 if (g_get_charset (NULL))
766 gchar *msg_utf8 = g_locale_to_utf8 (msg_locale, -1, NULL, NULL, NULL);
769 /* Stick in the quark table so that we can return a static result
771 GQuark msg_quark = g_quark_from_string (msg_utf8);
774 msg_utf8 = (gchar *) g_quark_to_string (msg_quark);
783 case E2BIG: return "argument list too long";
786 case EACCES: return "permission denied";
789 case EADDRINUSE: return "address already in use";
792 case EADDRNOTAVAIL: return "can't assign requested address";
795 case EADV: return "advertise error";
798 case EAFNOSUPPORT: return "address family not supported by protocol family";
801 case EAGAIN: return "try again";
804 case EALIGN: return "EALIGN";
807 case EALREADY: return "operation already in progress";
810 case EBADE: return "bad exchange descriptor";
813 case EBADF: return "bad file number";
816 case EBADFD: return "file descriptor in bad state";
819 case EBADMSG: return "not a data message";
822 case EBADR: return "bad request descriptor";
825 case EBADRPC: return "RPC structure is bad";
828 case EBADRQC: return "bad request code";
831 case EBADSLT: return "invalid slot";
834 case EBFONT: return "bad font file format";
837 case EBUSY: return "mount device busy";
840 case ECHILD: return "no children";
843 case ECHRNG: return "channel number out of range";
846 case ECOMM: return "communication error on send";
849 case ECONNABORTED: return "software caused connection abort";
852 case ECONNREFUSED: return "connection refused";
855 case ECONNRESET: return "connection reset by peer";
857 #if defined(EDEADLK) && (!defined(EWOULDBLOCK) || (EDEADLK != EWOULDBLOCK))
858 case EDEADLK: return "resource deadlock avoided";
861 case EDEADLOCK: return "resource deadlock avoided";
864 case EDESTADDRREQ: return "destination address required";
867 case EDIRTY: return "mounting a dirty fs w/o force";
870 case EDOM: return "math argument out of range";
873 case EDOTDOT: return "cross mount point";
876 case EDQUOT: return "disk quota exceeded";
879 case EDUPPKG: return "duplicate package name";
882 case EEXIST: return "file already exists";
885 case EFAULT: return "bad address in system call argument";
888 case EFBIG: return "file too large";
891 case EHOSTDOWN: return "host is down";
894 case EHOSTUNREACH: return "host is unreachable";
897 case EIDRM: return "identifier removed";
900 case EINIT: return "initialization error";
903 case EINPROGRESS: return "operation now in progress";
906 case EINTR: return "interrupted system call";
909 case EINVAL: return "invalid argument";
912 case EIO: return "I/O error";
915 case EISCONN: return "socket is already connected";
918 case EISDIR: return "is a directory";
921 case EISNAM: return "is a name file";
924 case ELBIN: return "ELBIN";
927 case EL2HLT: return "level 2 halted";
930 case EL2NSYNC: return "level 2 not synchronized";
933 case EL3HLT: return "level 3 halted";
936 case EL3RST: return "level 3 reset";
939 case ELIBACC: return "can not access a needed shared library";
942 case ELIBBAD: return "accessing a corrupted shared library";
945 case ELIBEXEC: return "can not exec a shared library directly";
948 case ELIBMAX: return "attempting to link in more shared libraries than system limit";
951 case ELIBSCN: return ".lib section in a.out corrupted";
954 case ELNRNG: return "link number out of range";
957 case ELOOP: return "too many levels of symbolic links";
960 case EMFILE: return "too many open files";
963 case EMLINK: return "too many links";
966 case EMSGSIZE: return "message too long";
969 case EMULTIHOP: return "multihop attempted";
972 case ENAMETOOLONG: return "file name too long";
975 case ENAVAIL: return "not available";
978 case ENET: return "ENET";
981 case ENETDOWN: return "network is down";
984 case ENETRESET: return "network dropped connection on reset";
987 case ENETUNREACH: return "network is unreachable";
990 case ENFILE: return "file table overflow";
993 case ENOANO: return "anode table overflow";
995 #if defined(ENOBUFS) && (!defined(ENOSR) || (ENOBUFS != ENOSR))
996 case ENOBUFS: return "no buffer space available";
999 case ENOCSI: return "no CSI structure available";
1002 case ENODATA: return "no data available";
1005 case ENODEV: return "no such device";
1008 case ENOENT: return "no such file or directory";
1011 case ENOEXEC: return "exec format error";
1014 case ENOLCK: return "no locks available";
1017 case ENOLINK: return "link has be severed";
1020 case ENOMEM: return "not enough memory";
1023 case ENOMSG: return "no message of desired type";
1026 case ENONET: return "machine is not on the network";
1029 case ENOPKG: return "package not installed";
1032 case ENOPROTOOPT: return "bad proocol option";
1035 case ENOSPC: return "no space left on device";
1038 case ENOSR: return "out of stream resources";
1041 case ENOSTR: return "not a stream device";
1044 case ENOSYM: return "unresolved symbol name";
1047 case ENOSYS: return "function not implemented";
1050 case ENOTBLK: return "block device required";
1053 case ENOTCONN: return "socket is not connected";
1056 case ENOTDIR: return "not a directory";
1059 case ENOTEMPTY: return "directory not empty";
1062 case ENOTNAM: return "not a name file";
1065 case ENOTSOCK: return "socket operation on non-socket";
1068 case ENOTTY: return "inappropriate device for ioctl";
1071 case ENOTUNIQ: return "name not unique on network";
1074 case ENXIO: return "no such device or address";
1077 case EOPNOTSUPP: return "operation not supported on socket";
1080 case EPERM: return "not owner";
1083 case EPFNOSUPPORT: return "protocol family not supported";
1086 case EPIPE: return "broken pipe";
1089 case EPROCLIM: return "too many processes";
1092 case EPROCUNAVAIL: return "bad procedure for program";
1094 #ifdef EPROGMISMATCH
1095 case EPROGMISMATCH: return "program version wrong";
1098 case EPROGUNAVAIL: return "RPC program not available";
1101 case EPROTO: return "protocol error";
1103 #ifdef EPROTONOSUPPORT
1104 case EPROTONOSUPPORT: return "protocol not suppored";
1107 case EPROTOTYPE: return "protocol wrong type for socket";
1110 case ERANGE: return "math result unrepresentable";
1112 #if defined(EREFUSED) && (!defined(ECONNREFUSED) || (EREFUSED != ECONNREFUSED))
1113 case EREFUSED: return "EREFUSED";
1116 case EREMCHG: return "remote address changed";
1119 case EREMDEV: return "remote device";
1122 case EREMOTE: return "pathname hit remote file system";
1125 case EREMOTEIO: return "remote i/o error";
1127 #ifdef EREMOTERELEASE
1128 case EREMOTERELEASE: return "EREMOTERELEASE";
1131 case EROFS: return "read-only file system";
1134 case ERPCMISMATCH: return "RPC version is wrong";
1137 case ERREMOTE: return "object is remote";
1140 case ESHUTDOWN: return "can't send afer socket shutdown";
1142 #ifdef ESOCKTNOSUPPORT
1143 case ESOCKTNOSUPPORT: return "socket type not supported";
1146 case ESPIPE: return "invalid seek";
1149 case ESRCH: return "no such process";
1152 case ESRMNT: return "srmount error";
1155 case ESTALE: return "stale remote file handle";
1158 case ESUCCESS: return "Error 0";
1161 case ETIME: return "timer expired";
1164 case ETIMEDOUT: return "connection timed out";
1167 case ETOOMANYREFS: return "too many references: can't splice";
1170 case ETXTBSY: return "text file or pseudo-device busy";
1173 case EUCLEAN: return "structure needs cleaning";
1176 case EUNATCH: return "protocol driver not attached";
1179 case EUSERS: return "too many users";
1182 case EVERSION: return "version mismatch";
1184 #if defined(EWOULDBLOCK) && (!defined(EAGAIN) || (EWOULDBLOCK != EAGAIN))
1185 case EWOULDBLOCK: return "operation would block";
1188 case EXDEV: return "cross-domain link";
1191 case EXFULL: return "message tables full";
1194 #else /* NO_SYS_ERRLIST */
1195 extern int sys_nerr;
1196 extern char *sys_errlist[];
1198 if ((errnum > 0) && (errnum <= sys_nerr))
1199 return sys_errlist [errnum];
1200 #endif /* NO_SYS_ERRLIST */
1202 msg = g_static_private_get (&msg_private);
1205 msg = g_new (gchar, 64);
1206 g_static_private_set (&msg_private, msg, g_free);
1209 _g_sprintf (msg, "unknown error (%d)", errnum);
1211 errno = saved_errno;
1215 G_CONST_RETURN gchar*
1216 g_strsignal (gint signum)
1218 static GStaticPrivate msg_private = G_STATIC_PRIVATE_INIT;
1221 #ifdef HAVE_STRSIGNAL
1222 const char *msg_locale;
1224 #if defined(G_OS_BEOS) || defined(G_WITH_CYGWIN)
1225 extern const char *strsignal(int);
1227 /* this is declared differently (const) in string.h on BeOS */
1228 extern char *strsignal (int sig);
1229 #endif /* !G_OS_BEOS && !G_WITH_CYGWIN */
1230 msg_locale = strsignal (signum);
1231 if (g_get_charset (NULL))
1235 gchar *msg_utf8 = g_locale_to_utf8 (msg_locale, -1, NULL, NULL, NULL);
1238 /* Stick in the quark table so that we can return a static result
1240 GQuark msg_quark = g_quark_from_string (msg_utf8);
1243 return g_quark_to_string (msg_quark);
1246 #elif NO_SYS_SIGLIST
1250 case SIGHUP: return "Hangup";
1253 case SIGINT: return "Interrupt";
1256 case SIGQUIT: return "Quit";
1259 case SIGILL: return "Illegal instruction";
1262 case SIGTRAP: return "Trace/breakpoint trap";
1265 case SIGABRT: return "IOT trap/Abort";
1268 case SIGBUS: return "Bus error";
1271 case SIGFPE: return "Floating point exception";
1274 case SIGKILL: return "Killed";
1277 case SIGUSR1: return "User defined signal 1";
1280 case SIGSEGV: return "Segmentation fault";
1283 case SIGUSR2: return "User defined signal 2";
1286 case SIGPIPE: return "Broken pipe";
1289 case SIGALRM: return "Alarm clock";
1292 case SIGTERM: return "Terminated";
1295 case SIGSTKFLT: return "Stack fault";
1298 case SIGCHLD: return "Child exited";
1301 case SIGCONT: return "Continued";
1304 case SIGSTOP: return "Stopped (signal)";
1307 case SIGTSTP: return "Stopped";
1310 case SIGTTIN: return "Stopped (tty input)";
1313 case SIGTTOU: return "Stopped (tty output)";
1316 case SIGURG: return "Urgent condition";
1319 case SIGXCPU: return "CPU time limit exceeded";
1322 case SIGXFSZ: return "File size limit exceeded";
1325 case SIGVTALRM: return "Virtual time alarm";
1328 case SIGPROF: return "Profile signal";
1331 case SIGWINCH: return "Window size changed";
1334 case SIGIO: return "Possible I/O";
1337 case SIGPWR: return "Power failure";
1340 case SIGUNUSED: return "Unused signal";
1343 #else /* NO_SYS_SIGLIST */
1345 #ifdef NO_SYS_SIGLIST_DECL
1346 extern char *sys_siglist[]; /*(see Tue Jan 19 00:44:24 1999 in changelog)*/
1349 return (char*) /* this function should return const --josh */ sys_siglist [signum];
1350 #endif /* NO_SYS_SIGLIST */
1352 msg = g_static_private_get (&msg_private);
1355 msg = g_new (gchar, 64);
1356 g_static_private_set (&msg_private, msg, g_free);
1359 _g_sprintf (msg, "unknown signal (%d)", signum);
1364 /* Functions g_strlcpy and g_strlcat were originally developed by
1365 * Todd C. Miller <Todd.Miller@courtesan.com> to simplify writing secure code.
1366 * See ftp://ftp.openbsd.org/pub/OpenBSD/src/lib/libc/string/strlcpy.3
1367 * for more information.
1371 /* Use the native ones, if available; they might be implemented in assembly */
1373 g_strlcpy (gchar *dest,
1377 g_return_val_if_fail (dest != NULL, 0);
1378 g_return_val_if_fail (src != NULL, 0);
1380 return strlcpy (dest, src, dest_size);
1384 g_strlcat (gchar *dest,
1388 g_return_val_if_fail (dest != NULL, 0);
1389 g_return_val_if_fail (src != NULL, 0);
1391 return strlcat (dest, src, dest_size);
1394 #else /* ! HAVE_STRLCPY */
1397 * Copy string src to buffer dest (of buffer size dest_size). At most
1398 * dest_size-1 characters will be copied. Always NUL terminates
1399 * (unless dest_size == 0). This function does NOT allocate memory.
1400 * Unlike strncpy, this function doesn't pad dest (so it's often faster).
1401 * Returns size of attempted result, strlen(src),
1402 * so if retval >= dest_size, truncation occurred.
1405 g_strlcpy (gchar *dest,
1409 register gchar *d = dest;
1410 register const gchar *s = src;
1411 register gsize n = dest_size;
1413 g_return_val_if_fail (dest != NULL, 0);
1414 g_return_val_if_fail (src != NULL, 0);
1416 /* Copy as many bytes as will fit */
1417 if (n != 0 && --n != 0)
1420 register gchar c = *s++;
1428 /* If not enough room in dest, add NUL and traverse rest of src */
1437 return s - src - 1; /* count does not include NUL */
1442 * Appends string src to buffer dest (of buffer size dest_size).
1443 * At most dest_size-1 characters will be copied.
1444 * Unlike strncat, dest_size is the full size of dest, not the space left over.
1445 * This function does NOT allocate memory.
1446 * This always NUL terminates (unless siz == 0 or there were no NUL characters
1447 * in the dest_size characters of dest to start with).
1448 * Returns size of attempted result, which is
1449 * MIN (dest_size, strlen (original dest)) + strlen (src),
1450 * so if retval >= dest_size, truncation occurred.
1453 g_strlcat (gchar *dest,
1457 register gchar *d = dest;
1458 register const gchar *s = src;
1459 register gsize bytes_left = dest_size;
1460 gsize dlength; /* Logically, MIN (strlen (d), dest_size) */
1462 g_return_val_if_fail (dest != NULL, 0);
1463 g_return_val_if_fail (src != NULL, 0);
1465 /* Find the end of dst and adjust bytes left but don't go past end */
1466 while (*d != 0 && bytes_left-- != 0)
1469 bytes_left = dest_size - dlength;
1471 if (bytes_left == 0)
1472 return dlength + strlen (s);
1476 if (bytes_left != 1)
1485 return dlength + (s - src); /* count does not include NUL */
1487 #endif /* ! HAVE_STRLCPY */
1492 * @len: length of @str in bytes, or -1 if @str is nul-terminated.
1494 * Converts all upper case ASCII letters to lower case ASCII letters.
1496 * Return value: a newly-allocated string, with all the upper case
1497 * characters in @str converted to lower case, with
1498 * semantics that exactly match g_ascii_tolower(). (Note
1499 * that this is unlike the old g_strdown(), which modified
1500 * the string in place.)
1503 g_ascii_strdown (const gchar *str,
1508 g_return_val_if_fail (str != NULL, NULL);
1513 result = g_strndup (str, len);
1514 for (s = result; *s; s++)
1515 *s = g_ascii_tolower (*s);
1523 * @len: length of @str in bytes, or -1 if @str is nul-terminated.
1525 * Converts all lower case ASCII letters to upper case ASCII letters.
1527 * Return value: a newly allocated string, with all the lower case
1528 * characters in @str converted to upper case, with
1529 * semantics that exactly match g_ascii_toupper(). (Note
1530 * that this is unlike the old g_strup(), which modified
1531 * the string in place.)
1534 g_ascii_strup (const gchar *str,
1539 g_return_val_if_fail (str != NULL, NULL);
1544 result = g_strndup (str, len);
1545 for (s = result; *s; s++)
1546 *s = g_ascii_toupper (*s);
1553 * @string: the string to convert.
1555 * Converts a string to lower case.
1557 * Return value: the string
1559 * Deprecated: This function is totally broken for the reasons discussed in
1560 * the g_strncasecmp() docs - use g_ascii_strdown() or g_utf8_strdown()
1564 g_strdown (gchar *string)
1568 g_return_val_if_fail (string != NULL, NULL);
1570 s = (guchar *) string;
1579 return (gchar *) string;
1584 * @string: the string to convert.
1586 * Converts a string to upper case.
1588 * Return value: the string
1590 * Deprecated: This function is totally broken for the reasons discussed in
1591 * the g_strncasecmp() docs - use g_ascii_strup() or g_utf8_strup() instead.
1594 g_strup (gchar *string)
1598 g_return_val_if_fail (string != NULL, NULL);
1600 s = (guchar *) string;
1609 return (gchar *) string;
1613 g_strreverse (gchar *string)
1615 g_return_val_if_fail (string != NULL, NULL);
1619 register gchar *h, *t;
1622 t = string + strlen (string) - 1;
1641 * @c: any character.
1643 * Convert a character to ASCII lower case.
1645 * Unlike the standard C library tolower() function, this only
1646 * recognizes standard ASCII letters and ignores the locale, returning
1647 * all non-ASCII characters unchanged, even if they are lower case
1648 * letters in a particular character set. Also unlike the standard
1649 * library function, this takes and returns a char, not an int, so
1650 * don't call it on %EOF but no need to worry about casting to #guchar
1651 * before passing a possibly non-ASCII character in.
1653 * Return value: the result of converting @c to lower case.
1654 * If @c is not an ASCII upper case letter,
1655 * @c is returned unchanged.
1658 g_ascii_tolower (gchar c)
1660 return g_ascii_isupper (c) ? c - 'A' + 'a' : c;
1665 * @c: any character.
1667 * Convert a character to ASCII upper case.
1669 * Unlike the standard C library toupper() function, this only
1670 * recognizes standard ASCII letters and ignores the locale, returning
1671 * all non-ASCII characters unchanged, even if they are upper case
1672 * letters in a particular character set. Also unlike the standard
1673 * library function, this takes and returns a char, not an int, so
1674 * don't call it on %EOF but no need to worry about casting to #guchar
1675 * before passing a possibly non-ASCII character in.
1677 * Return value: the result of converting @c to upper case.
1678 * If @c is not an ASCII lower case letter,
1679 * @c is returned unchanged.
1682 g_ascii_toupper (gchar c)
1684 return g_ascii_islower (c) ? c - 'a' + 'A' : c;
1688 * g_ascii_digit_value:
1689 * @c: an ASCII character.
1691 * Determines the numeric value of a character as a decimal
1692 * digit. Differs from g_unichar_digit_value() because it takes
1693 * a char, so there's no worry about sign extension if characters
1696 * Return value: If @c is a decimal digit (according to
1697 * g_ascii_isdigit()), its numeric value. Otherwise, -1.
1700 g_ascii_digit_value (gchar c)
1702 if (g_ascii_isdigit (c))
1708 * g_ascii_xdigit_value:
1709 * @c: an ASCII character.
1711 * Determines the numeric value of a character as a hexidecimal
1712 * digit. Differs from g_unichar_xdigit_value() because it takes
1713 * a char, so there's no worry about sign extension if characters
1716 * Return value: If @c is a hex digit (according to
1717 * g_ascii_isxdigit()), its numeric value. Otherwise, -1.
1720 g_ascii_xdigit_value (gchar c)
1722 if (c >= 'A' && c <= 'F')
1723 return c - 'A' + 10;
1724 if (c >= 'a' && c <= 'f')
1725 return c - 'a' + 10;
1726 return g_ascii_digit_value (c);
1730 * g_ascii_strcasecmp:
1731 * @s1: string to compare with @s2.
1732 * @s2: string to compare with @s1.
1734 * Compare two strings, ignoring the case of ASCII characters.
1736 * Unlike the BSD strcasecmp() function, this only recognizes standard
1737 * ASCII letters and ignores the locale, treating all non-ASCII
1738 * characters as if they are not letters.
1740 * Return value: an integer less than, equal to, or greater than
1741 * zero if @s1 is found, respectively, to be less than,
1742 * to match, or to be greater than @s2.
1745 g_ascii_strcasecmp (const gchar *s1,
1750 g_return_val_if_fail (s1 != NULL, 0);
1751 g_return_val_if_fail (s2 != NULL, 0);
1755 c1 = (gint)(guchar) TOLOWER (*s1);
1756 c2 = (gint)(guchar) TOLOWER (*s2);
1762 return (((gint)(guchar) *s1) - ((gint)(guchar) *s2));
1766 * g_ascii_strncasecmp:
1767 * @s1: string to compare with @s2.
1768 * @s2: string to compare with @s1.
1769 * @n: number of characters to compare.
1771 * Compare @s1 and @s2, ignoring the case of ASCII characters and any
1772 * characters after the first @n in each string.
1774 * Unlike the BSD strcasecmp() function, this only recognizes standard
1775 * ASCII letters and ignores the locale, treating all non-ASCII
1776 * characters as if they are not letters.
1778 * Return value: an integer less than, equal to, or greater than zero
1779 * if the first @n bytes of @s1 is found, respectively,
1780 * to be less than, to match, or to be greater than the
1781 * first @n bytes of @s2.
1784 g_ascii_strncasecmp (const gchar *s1,
1790 g_return_val_if_fail (s1 != NULL, 0);
1791 g_return_val_if_fail (s2 != NULL, 0);
1793 while (n && *s1 && *s2)
1796 c1 = (gint)(guchar) TOLOWER (*s1);
1797 c2 = (gint)(guchar) TOLOWER (*s2);
1804 return (((gint) (guchar) *s1) - ((gint) (guchar) *s2));
1812 * @s2: a string to compare with @s1.
1814 * A case-insensitive string comparison, corresponding to the standard
1815 * strcasecmp() function on platforms which support it.
1817 * Return value: 0 if the strings match, a negative value if @s1 < @s2,
1818 * or a positive value if @s1 > @s2.
1820 * Deprecated: See g_strncasecmp() for a discussion of why this function is
1821 * deprecated and how to replace it.
1824 g_strcasecmp (const gchar *s1,
1827 #ifdef HAVE_STRCASECMP
1828 g_return_val_if_fail (s1 != NULL, 0);
1829 g_return_val_if_fail (s2 != NULL, 0);
1831 return strcasecmp (s1, s2);
1835 g_return_val_if_fail (s1 != NULL, 0);
1836 g_return_val_if_fail (s2 != NULL, 0);
1840 /* According to A. Cox, some platforms have islower's that
1841 * don't work right on non-uppercase
1843 c1 = isupper ((guchar)*s1) ? tolower ((guchar)*s1) : *s1;
1844 c2 = isupper ((guchar)*s2) ? tolower ((guchar)*s2) : *s2;
1850 return (((gint)(guchar) *s1) - ((gint)(guchar) *s2));
1857 * @s2: a string to compare with @s1.
1858 * @n: the maximum number of characters to compare.
1860 * A case-insensitive string comparison, corresponding to the standard
1861 * strncasecmp() function on platforms which support it.
1862 * It is similar to g_strcasecmp() except it only compares the first @n
1863 * characters of the strings.
1865 * Return value: 0 if the strings match, a negative value if @s1 < @s2,
1866 * or a positive value if @s1 > @s2.
1868 * Deprecated: The problem with g_strncasecmp() is that it does the
1869 * comparison by calling toupper()/tolower(). These functions are
1870 * locale-specific and operate on single bytes. However, it is impossible
1871 * to handle things correctly from an I18N standpoint by operating on
1872 * bytes, since characters may be multibyte. Thus g_strncasecmp() is
1873 * broken if your string is guaranteed to be ASCII, since it's
1874 * locale-sensitive, and it's broken if your string is localized, since
1875 * it doesn't work on many encodings at all, including UTF-8, EUC-JP,
1878 * There are therefore two replacement functions: g_ascii_strncasecmp(),
1879 * which only works on ASCII and is not locale-sensitive, and
1880 * g_utf8_casefold(), which is good for case-insensitive sorting of UTF-8.
1883 g_strncasecmp (const gchar *s1,
1887 #ifdef HAVE_STRNCASECMP
1888 return strncasecmp (s1, s2, n);
1892 g_return_val_if_fail (s1 != NULL, 0);
1893 g_return_val_if_fail (s2 != NULL, 0);
1895 while (n && *s1 && *s2)
1898 /* According to A. Cox, some platforms have islower's that
1899 * don't work right on non-uppercase
1901 c1 = isupper ((guchar)*s1) ? tolower ((guchar)*s1) : *s1;
1902 c2 = isupper ((guchar)*s2) ? tolower ((guchar)*s2) : *s2;
1909 return (((gint) (guchar) *s1) - ((gint) (guchar) *s2));
1916 g_strdelimit (gchar *string,
1917 const gchar *delimiters,
1922 g_return_val_if_fail (string != NULL, NULL);
1925 delimiters = G_STR_DELIMITERS;
1927 for (c = string; *c; c++)
1929 if (strchr (delimiters, *c))
1937 g_strcanon (gchar *string,
1938 const gchar *valid_chars,
1943 g_return_val_if_fail (string != NULL, NULL);
1944 g_return_val_if_fail (valid_chars != NULL, NULL);
1946 for (c = string; *c; c++)
1948 if (!strchr (valid_chars, *c))
1956 g_strcompress (const gchar *source)
1958 const gchar *p = source, *octal;
1959 gchar *dest = g_malloc (strlen (source) + 1);
1970 g_warning ("g_strcompress: trailing \\");
1972 case '0': case '1': case '2': case '3': case '4':
1973 case '5': case '6': case '7':
1976 while ((p < octal + 3) && (*p >= '0') && (*p <= '7'))
1978 *q = (*q * 8) + (*p - '0');
1999 default: /* Also handles \" and \\ */
2015 g_strescape (const gchar *source,
2016 const gchar *exceptions)
2023 g_return_val_if_fail (source != NULL, NULL);
2025 p = (guchar *) source;
2026 /* Each source byte needs maximally four destination chars (\777) */
2027 q = dest = g_malloc (strlen (source) * 4 + 1);
2029 memset (excmap, 0, 256);
2032 guchar *e = (guchar *) exceptions;
2078 if ((*p < ' ') || (*p >= 0177))
2081 *q++ = '0' + (((*p) >> 6) & 07);
2082 *q++ = '0' + (((*p) >> 3) & 07);
2083 *q++ = '0' + ((*p) & 07);
2097 g_strchug (gchar *string)
2101 g_return_val_if_fail (string != NULL, NULL);
2103 for (start = (guchar*) string; *start && g_ascii_isspace (*start); start++)
2106 g_memmove (string, start, strlen ((gchar *) start) + 1);
2112 g_strchomp (gchar *string)
2116 g_return_val_if_fail (string != NULL, NULL);
2118 len = strlen (string);
2121 if (g_ascii_isspace ((guchar) string[len]))
2132 * @string: a string to split.
2133 * @delimiter: a string which specifies the places at which to split the string.
2134 * The delimiter is not included in any of the resulting strings, unless
2135 * @max_tokens is reached.
2136 * @max_tokens: the maximum number of pieces to split @string into. If this is
2137 * less than 1, the string is split completely.
2139 * Splits a string into a maximum of @max_tokens pieces, using the given
2140 * @delimiter. If @max_tokens is reached, the remainder of @string is appended
2141 * to the last token.
2143 * As a special case, the result of splitting the empty string "" is an empty
2144 * vector, not a vector containing a single string. The reason for this
2145 * special case is that being able to represent a empty vector is typically
2146 * more useful than consistent handling of empty elements. If you do need
2147 * to represent empty elements, you'll need to check for the empty string
2148 * before calling g_strsplit().
2150 * Return value: a newly-allocated %NULL-terminated array of strings. Use
2151 * g_strfreev() to free it.
2154 g_strsplit (const gchar *string,
2155 const gchar *delimiter,
2158 GSList *string_list = NULL, *slist;
2159 gchar **str_array, *s;
2161 const gchar *remainder;
2163 g_return_val_if_fail (string != NULL, NULL);
2164 g_return_val_if_fail (delimiter != NULL, NULL);
2165 g_return_val_if_fail (delimiter[0] != '\0', NULL);
2168 max_tokens = G_MAXINT;
2171 s = strstr (remainder, delimiter);
2174 gsize delimiter_len = strlen (delimiter);
2176 while (--max_tokens && s)
2181 len = s - remainder;
2182 new_string = g_new (gchar, len + 1);
2183 strncpy (new_string, remainder, len);
2184 new_string[len] = 0;
2185 string_list = g_slist_prepend (string_list, new_string);
2187 remainder = s + delimiter_len;
2188 s = strstr (remainder, delimiter);
2194 string_list = g_slist_prepend (string_list, g_strdup (remainder));
2197 str_array = g_new (gchar*, n + 1);
2199 str_array[n--] = NULL;
2200 for (slist = string_list; slist; slist = slist->next)
2201 str_array[n--] = slist->data;
2203 g_slist_free (string_list);
2210 * @string: The string to be tokenized
2211 * @delimiters: A nul-terminated string containing bytes that are used
2212 * to split the string.
2213 * @max_tokens: The maximum number of tokens to split @string into.
2214 * If this is less than 1, the string is split completely
2216 * Splits @string into a number of tokens not containing any of the characters
2217 * in @delimiter. A token is the (possibly empty) longest string that does not
2218 * contain any of the characters in @delimiters. If @max_tokens is reached, the
2219 * remainder is appended to the last token.
2221 * For example the result of g_strsplit_set ("abc:def/ghi", ":/", -1) is a
2222 * %NULL-terminated vector containing the three strings "abc", "def",
2225 * The result if g_strsplit_set (":def/ghi:", ":/", -1) is a %NULL-terminated
2226 * vector containing the four strings "", "def", "ghi", and "".
2228 * As a special case, the result of splitting the empty string "" is an empty
2229 * vector, not a vector containing a single string. The reason for this
2230 * special case is that being able to represent a empty vector is typically
2231 * more useful than consistent handling of empty elements. If you do need
2232 * to represent empty elements, you'll need to check for the empty string
2233 * before calling g_strsplit_set().
2235 * Note that this function works on bytes not characters, so it can't be used
2236 * to delimit UTF-8 strings for anything but ASCII characters.
2238 * Return value: a newly-allocated %NULL-terminated array of strings. Use
2239 * g_strfreev() to free it.
2244 g_strsplit_set (const gchar *string,
2245 const gchar *delimiters,
2248 gboolean delim_table[256];
2249 GSList *tokens, *list;
2252 const gchar *current;
2256 g_return_val_if_fail (string != NULL, NULL);
2257 g_return_val_if_fail (delimiters != NULL, NULL);
2260 max_tokens = G_MAXINT;
2262 if (*string == '\0')
2264 result = g_new (char *, 1);
2269 memset (delim_table, FALSE, sizeof (delim_table));
2270 for (s = delimiters; *s != '\0'; ++s)
2271 delim_table[*(guchar *)s] = TRUE;
2276 s = current = string;
2279 if (delim_table[*(guchar *)s] && n_tokens + 1 < max_tokens)
2283 token = g_strndup (current, s - current);
2284 tokens = g_slist_prepend (tokens, token);
2293 token = g_strndup (current, s - current);
2294 tokens = g_slist_prepend (tokens, token);
2297 result = g_new (gchar *, n_tokens + 1);
2299 result[n_tokens] = NULL;
2300 for (list = tokens; list != NULL; list = list->next)
2301 result[--n_tokens] = list->data;
2303 g_slist_free (tokens);
2310 * @str_array: a %NULL-terminated array of strings to free.
2312 * Frees a %NULL-terminated array of strings, and the array itself.
2313 * If called on a %NULL value, g_strfreev() simply returns.
2316 g_strfreev (gchar **str_array)
2322 for(i = 0; str_array[i] != NULL; i++)
2323 g_free(str_array[i]);
2331 * @str_array: %NULL-terminated array of strings.
2333 * Copies %NULL-terminated array of strings. The copy is a deep copy;
2334 * the new array should be freed by first freeing each string, then
2335 * the array itself. g_strfreev() does this for you. If called
2336 * on a %NULL value, g_strdupv() simply returns %NULL.
2338 * Return value: a new %NULL-terminated array of strings.
2341 g_strdupv (gchar **str_array)
2349 while (str_array[i])
2352 retval = g_new (gchar*, i + 1);
2355 while (str_array[i])
2357 retval[i] = g_strdup (str_array[i]);
2369 g_strjoinv (const gchar *separator,
2375 g_return_val_if_fail (str_array != NULL, NULL);
2377 if (separator == NULL)
2384 gsize separator_len;
2386 separator_len = strlen (separator);
2387 /* First part, getting length */
2388 len = 1 + strlen (str_array[0]);
2389 for (i = 1; str_array[i] != NULL; i++)
2390 len += strlen (str_array[i]);
2391 len += separator_len * (i - 1);
2393 /* Second part, building string */
2394 string = g_new (gchar, len);
2395 ptr = g_stpcpy (string, *str_array);
2396 for (i = 1; str_array[i] != NULL; i++)
2398 ptr = g_stpcpy (ptr, separator);
2399 ptr = g_stpcpy (ptr, str_array[i]);
2403 string = g_strdup ("");
2409 g_strjoin (const gchar *separator,
2415 gsize separator_len;
2418 if (separator == NULL)
2421 separator_len = strlen (separator);
2423 va_start (args, separator);
2425 s = va_arg (args, gchar*);
2429 /* First part, getting length */
2430 len = 1 + strlen (s);
2432 s = va_arg (args, gchar*);
2435 len += separator_len + strlen (s);
2436 s = va_arg (args, gchar*);
2440 /* Second part, building string */
2441 string = g_new (gchar, len);
2443 va_start (args, separator);
2445 s = va_arg (args, gchar*);
2446 ptr = g_stpcpy (string, s);
2448 s = va_arg (args, gchar*);
2451 ptr = g_stpcpy (ptr, separator);
2452 ptr = g_stpcpy (ptr, s);
2453 s = va_arg (args, gchar*);
2457 string = g_strdup ("");
2467 * @haystack: a string.
2468 * @haystack_len: the maximum length of @haystack.
2469 * @needle: the string to search for.
2471 * Searches the string @haystack for the first occurrence
2472 * of the string @needle, limiting the length of the search
2475 * Return value: a pointer to the found occurrence, or
2476 * %NULL if not found.
2479 g_strstr_len (const gchar *haystack,
2480 gssize haystack_len,
2481 const gchar *needle)
2483 g_return_val_if_fail (haystack != NULL, NULL);
2484 g_return_val_if_fail (needle != NULL, NULL);
2486 if (haystack_len < 0)
2487 return strstr (haystack, needle);
2490 const gchar *p = haystack;
2491 gsize needle_len = strlen (needle);
2495 if (needle_len == 0)
2496 return (gchar *)haystack;
2498 if (haystack_len < needle_len)
2501 end = haystack + haystack_len - needle_len;
2503 while (*p && p <= end)
2505 for (i = 0; i < needle_len; i++)
2506 if (p[i] != needle[i])
2521 * @haystack: a nul-terminated string.
2522 * @needle: the nul-terminated string to search for.
2524 * Searches the string @haystack for the last occurrence
2525 * of the string @needle.
2527 * Return value: a pointer to the found occurrence, or
2528 * %NULL if not found.
2531 g_strrstr (const gchar *haystack,
2532 const gchar *needle)
2539 g_return_val_if_fail (haystack != NULL, NULL);
2540 g_return_val_if_fail (needle != NULL, NULL);
2542 needle_len = strlen (needle);
2543 haystack_len = strlen (haystack);
2545 if (needle_len == 0)
2546 return (gchar *)haystack;
2548 if (haystack_len < needle_len)
2551 p = haystack + haystack_len - needle_len;
2553 while (p >= haystack)
2555 for (i = 0; i < needle_len; i++)
2556 if (p[i] != needle[i])
2570 * @haystack: a nul-terminated string.
2571 * @haystack_len: the maximum length of @haystack.
2572 * @needle: the nul-terminated string to search for.
2574 * Searches the string @haystack for the last occurrence
2575 * of the string @needle, limiting the length of the search
2578 * Return value: a pointer to the found occurrence, or
2579 * %NULL if not found.
2582 g_strrstr_len (const gchar *haystack,
2583 gssize haystack_len,
2584 const gchar *needle)
2586 g_return_val_if_fail (haystack != NULL, NULL);
2587 g_return_val_if_fail (needle != NULL, NULL);
2589 if (haystack_len < 0)
2590 return g_strrstr (haystack, needle);
2593 gsize needle_len = strlen (needle);
2594 const gchar *haystack_max = haystack + haystack_len;
2595 const gchar *p = haystack;
2598 while (p < haystack_max && *p)
2601 if (p < haystack + needle_len)
2606 while (p >= haystack)
2608 for (i = 0; i < needle_len; i++)
2609 if (p[i] != needle[i])
2625 * @str: a nul-terminated string.
2626 * @suffix: the nul-terminated suffix to look for.
2628 * Looks whether the string @str ends with @suffix.
2630 * Return value: %TRUE if @str end with @suffix, %FALSE otherwise.
2635 g_str_has_suffix (const gchar *str,
2636 const gchar *suffix)
2641 g_return_val_if_fail (str != NULL, FALSE);
2642 g_return_val_if_fail (suffix != NULL, FALSE);
2644 str_len = strlen (str);
2645 suffix_len = strlen (suffix);
2647 if (str_len < suffix_len)
2650 return strcmp (str + str_len - suffix_len, suffix) == 0;
2655 * @str: a nul-terminated string.
2656 * @prefix: the nul-terminated prefix to look for.
2658 * Looks whether the string @str begins with @prefix.
2660 * Return value: %TRUE if @str begins with @prefix, %FALSE otherwise.
2665 g_str_has_prefix (const gchar *str,
2666 const gchar *prefix)
2671 g_return_val_if_fail (str != NULL, FALSE);
2672 g_return_val_if_fail (prefix != NULL, FALSE);
2674 str_len = strlen (str);
2675 prefix_len = strlen (prefix);
2677 if (str_len < prefix_len)
2680 return strncmp (str, prefix, prefix_len) == 0;
2687 * @msgval: another string
2689 * An auxiliary function for gettext() support (see Q_()).
2691 * Return value: @msgval, unless @msgval is identical to @msgid and contains
2692 * a '|' character, in which case a pointer to the substring of msgid after
2693 * the first '|' character is returned.
2697 G_CONST_RETURN gchar *
2698 g_strip_context (const gchar *msgid,
2699 const gchar *msgval)
2701 if (msgval == msgid)
2703 const char *c = strchr (msgid, '|');
2714 * @str_array: a %NULL-terminated array of strings.
2716 * Returns the length of the given %NULL-terminated
2717 * string array @str_array.
2719 * Return value: length of @str_array.
2724 g_strv_length (gchar **str_array)
2728 g_return_val_if_fail (str_array != NULL, 0);
2730 while (str_array[i])
2736 #define __G_STRFUNCS_C__
2737 #include "galiasdef.c"