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 __G_STRFUNCS_C__
34 #define _GNU_SOURCE /* For stpcpy */
42 #include <ctype.h> /* For tolower() */
43 #if !defined (HAVE_STRSIGNAL) || !defined(NO_SYS_SIGLIST_DECL)
49 #include "gprintfint.h"
57 /* do not include <unistd.h> in this place since it
58 * interferes with g_strsignal() on some OSes
61 static const guint16 ascii_table_data[256] = {
62 0x004, 0x004, 0x004, 0x004, 0x004, 0x004, 0x004, 0x004,
63 0x004, 0x104, 0x104, 0x004, 0x104, 0x104, 0x004, 0x004,
64 0x004, 0x004, 0x004, 0x004, 0x004, 0x004, 0x004, 0x004,
65 0x004, 0x004, 0x004, 0x004, 0x004, 0x004, 0x004, 0x004,
66 0x140, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0,
67 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0,
68 0x459, 0x459, 0x459, 0x459, 0x459, 0x459, 0x459, 0x459,
69 0x459, 0x459, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0,
70 0x0d0, 0x653, 0x653, 0x653, 0x653, 0x653, 0x653, 0x253,
71 0x253, 0x253, 0x253, 0x253, 0x253, 0x253, 0x253, 0x253,
72 0x253, 0x253, 0x253, 0x253, 0x253, 0x253, 0x253, 0x253,
73 0x253, 0x253, 0x253, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0,
74 0x0d0, 0x473, 0x473, 0x473, 0x473, 0x473, 0x473, 0x073,
75 0x073, 0x073, 0x073, 0x073, 0x073, 0x073, 0x073, 0x073,
76 0x073, 0x073, 0x073, 0x073, 0x073, 0x073, 0x073, 0x073,
77 0x073, 0x073, 0x073, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x004
78 /* the upper 128 are all zeroes */
81 const guint16 * const g_ascii_table = ascii_table_data;
84 g_strdup (const gchar *str)
91 length = strlen (str) + 1;
92 new_str = g_new (char, length);
93 memcpy (new_str, str, length);
98 g_mem_mark_type (new_str, G_MEM_TYPE_STRING, 0);
103 g_memdup (gconstpointer mem,
110 new_mem = g_malloc (byte_size);
111 memcpy (new_mem, mem, byte_size);
120 g_strndup (const gchar *str,
127 new_str = g_new (gchar, n + 1);
128 strncpy (new_str, str, n);
134 g_mem_mark_type (new_str, G_MEM_TYPE_STRING, 0);
139 g_strnfill (gsize length,
144 str = g_new (gchar, length + 1);
145 memset (str, (guchar)fill_char, length);
153 * @dest: destination buffer.
154 * @src: source string.
156 * Copies a nul-terminated string into the dest buffer, include the
157 * trailing nul, and return a pointer to the trailing nul byte.
158 * This is useful for concatenating multiple strings together
159 * without having to repeatedly scan for the end.
161 * Return value: a pointer to trailing nul byte.
164 g_stpcpy (gchar *dest,
168 g_return_val_if_fail (dest != NULL, NULL);
169 g_return_val_if_fail (src != NULL, NULL);
170 return stpcpy (dest, src);
172 register gchar *d = dest;
173 register const gchar *s = src;
175 g_return_val_if_fail (dest != NULL, NULL);
176 g_return_val_if_fail (src != NULL, NULL);
179 while (*s++ != '\0');
186 g_strdup_vprintf (const gchar *format,
189 gchar *string = NULL;
191 g_vasprintf (&string, format, args);
193 g_mem_mark_type (string, G_MEM_TYPE_STRING, 0);
198 g_strdup_printf (const gchar *format,
204 va_start (args, format);
205 buffer = g_strdup_vprintf (format, args);
212 g_strconcat (const gchar *string1, ...)
223 l = 1 + strlen (string1);
224 va_start (args, string1);
225 s = va_arg (args, gchar*);
229 s = va_arg (args, gchar*);
233 concat = g_new (gchar, l);
236 ptr = g_stpcpy (ptr, string1);
237 va_start (args, string1);
238 s = va_arg (args, gchar*);
241 ptr = g_stpcpy (ptr, s);
242 s = va_arg (args, gchar*);
251 * @nptr: the string to convert to a numeric value.
252 * @endptr: if non-%NULL, it returns the character after
253 * the last character used in the conversion.
255 * Converts a string to a #gdouble value.
256 * It calls the standard strtod() function to handle the conversion, but
257 * if the string is not completely converted it attempts the conversion
258 * again with g_ascii_strtod(), and returns the best match.
260 * This function should seldomly be used. The normal situation when reading
261 * numbers not for human consumption is to use g_ascii_strtod(). Only when
262 * you know that you must expect both locale formatted and C formatted numbers
263 * should you use this. Make sure that you don't pass strings such as comma
264 * separated lists of values, since the commas may be interpreted as a decimal
265 * point in some locales, causing unexpected results.
267 * Return value: the #gdouble value.
270 g_strtod (const gchar *nptr,
278 g_return_val_if_fail (nptr != NULL, 0);
283 val_1 = strtod (nptr, &fail_pos_1);
285 if (fail_pos_1 && fail_pos_1[0] != 0)
286 val_2 = g_ascii_strtod (nptr, &fail_pos_2);
288 if (!fail_pos_1 || fail_pos_1[0] == 0 || fail_pos_1 >= fail_pos_2)
291 *endptr = fail_pos_1;
297 *endptr = fail_pos_2;
304 * @nptr: the string to convert to a numeric value.
305 * @endptr: if non-%NULL, it returns the character after
306 * the last character used in the conversion.
308 * Converts a string to a #gdouble value.
309 * This function behaves like the standard strtod() function
310 * does in the C locale. It does this without actually
311 * changing the current locale, since that would not be
314 * This function is typically used when reading configuration
315 * files or other non-user input that should be locale independent.
316 * To handle input from the user you should normally use the
317 * locale-sensitive system strtod() function.
319 * To convert from a #gdouble to a string in a locale-insensitive
320 * way, use g_ascii_dtostr().
322 * If the correct value would cause overflow, plus or minus %HUGE_VAL
323 * is returned (according to the sign of the value), and %ERANGE is
324 * stored in %errno. If the correct value would cause underflow,
325 * zero is returned and %ERANGE is stored in %errno.
327 * This function resets %errno before calling strtod() so that
328 * you can reliably detect overflow and underflow.
330 * Return value: the #gdouble value.
333 g_ascii_strtod (const gchar *nptr,
338 struct lconv *locale_data;
339 const char *decimal_point;
340 int decimal_point_len;
341 const char *p, *decimal_point_pos;
342 const char *end = NULL; /* Silence gcc */
345 g_return_val_if_fail (nptr != NULL, 0);
349 locale_data = localeconv ();
350 decimal_point = locale_data->decimal_point;
351 decimal_point_len = strlen (decimal_point);
353 g_assert (decimal_point_len != 0);
355 decimal_point_pos = NULL;
358 if (decimal_point[0] != '.' ||
359 decimal_point[1] != 0)
363 /* Skip leading space */
364 while (g_ascii_isspace (*p))
367 /* Skip leading optional sign */
368 if (*p == '+' || *p == '-')
372 (p[1] == 'x' || p[1] == 'X'))
375 /* HEX - find the (optional) decimal point */
377 while (g_ascii_isxdigit (*p))
381 decimal_point_pos = p++;
383 while (g_ascii_isxdigit (*p))
386 if (*p == 'p' || *p == 'P')
388 if (*p == '+' || *p == '-')
390 while (g_ascii_isdigit (*p))
395 else if (g_ascii_isdigit (*p) || *p == '.')
397 while (g_ascii_isdigit (*p))
401 decimal_point_pos = p++;
403 while (g_ascii_isdigit (*p))
406 if (*p == 'e' || *p == 'E')
408 if (*p == '+' || *p == '-')
410 while (g_ascii_isdigit (*p))
415 /* For the other cases, we need not convert the decimal point */
418 if (decimal_point_pos)
422 /* We need to convert the '.' to the locale specific decimal point */
423 copy = g_malloc (end - nptr + 1 + decimal_point_len);
426 memcpy (c, nptr, decimal_point_pos - nptr);
427 c += decimal_point_pos - nptr;
428 memcpy (c, decimal_point, decimal_point_len);
429 c += decimal_point_len;
430 memcpy (c, decimal_point_pos + 1, end - (decimal_point_pos + 1));
431 c += end - (decimal_point_pos + 1);
435 val = strtod (copy, &fail_pos);
436 strtod_errno = errno;
440 if (fail_pos - copy > decimal_point_pos - nptr)
441 fail_pos = (char *)nptr + (fail_pos - copy) - (decimal_point_len - 1);
443 fail_pos = (char *)nptr + (fail_pos - copy);
453 copy = g_malloc (end - (char *)nptr + 1);
454 memcpy (copy, nptr, end - nptr);
455 *(copy + (end - (char *)nptr)) = 0;
458 val = strtod (copy, &fail_pos);
459 strtod_errno = errno;
463 fail_pos = (char *)nptr + (fail_pos - copy);
471 val = strtod (nptr, &fail_pos);
472 strtod_errno = errno;
478 errno = strtod_errno;
486 * @buffer: A buffer to place the resulting string in
487 * @buf_len: The length of the buffer.
488 * @d: The #gdouble to convert
490 * Converts a #gdouble to a string, using the '.' as
493 * This functions generates enough precision that converting
494 * the string back using g_ascii_strtod() gives the same machine-number
495 * (on machines with IEEE compatible 64bit doubles). It is
496 * guaranteed that the size of the resulting string will never
497 * be larger than @G_ASCII_DTOSTR_BUF_SIZE bytes.
499 * Return value: The pointer to the buffer with the converted string.
502 g_ascii_dtostr (gchar *buffer,
506 return g_ascii_formatd (buffer, buf_len, "%.17g", d);
511 * @buffer: A buffer to place the resulting string in
512 * @buf_len: The length of the buffer.
513 * @format: The printf()-style format to use for the
514 * code to use for converting.
515 * @d: The #gdouble to convert
517 * Converts a #gdouble to a string, using the '.' as
518 * decimal point. To format the number you pass in
519 * a printf()-style format string. Allowed conversion
520 * specifiers are 'e', 'E', 'f', 'F', 'g' and 'G'.
522 * If you just want to want to serialize the value into a
523 * string, use g_ascii_dtostr().
525 * Return value: The pointer to the buffer with the converted string.
528 g_ascii_formatd (gchar *buffer,
533 struct lconv *locale_data;
534 const char *decimal_point;
535 int decimal_point_len;
540 g_return_val_if_fail (buffer != NULL, NULL);
541 g_return_val_if_fail (format[0] == '%', NULL);
542 g_return_val_if_fail (strpbrk (format + 1, "'l%") == NULL, NULL);
544 format_char = format[strlen (format) - 1];
546 g_return_val_if_fail (format_char == 'e' || format_char == 'E' ||
547 format_char == 'f' || format_char == 'F' ||
548 format_char == 'g' || format_char == 'G',
551 if (format[0] != '%')
554 if (strpbrk (format + 1, "'l%"))
557 if (!(format_char == 'e' || format_char == 'E' ||
558 format_char == 'f' || format_char == 'F' ||
559 format_char == 'g' || format_char == 'G'))
563 _g_snprintf (buffer, buf_len, format, d);
565 locale_data = localeconv ();
566 decimal_point = locale_data->decimal_point;
567 decimal_point_len = strlen (decimal_point);
569 g_assert (decimal_point_len != 0);
571 if (decimal_point[0] != '.' ||
572 decimal_point[1] != 0)
576 while (g_ascii_isspace (*p))
579 if (*p == '+' || *p == '-')
582 while (isdigit ((guchar)*p))
585 if (strncmp (p, decimal_point, decimal_point_len) == 0)
589 if (decimal_point_len > 1) {
590 rest_len = strlen (p + (decimal_point_len-1));
591 memmove (p, p + (decimal_point_len-1),
603 g_parse_long_long (const gchar *nptr,
608 /* this code is based on on the strtol(3) code from GNU libc released under
609 * the GNU Lesser General Public License.
611 * Copyright (C) 1991,92,94,95,96,97,98,99,2000,01,02
612 * Free Software Foundation, Inc.
614 #define ISSPACE(c) ((c) == ' ' || (c) == '\f' || (c) == '\n' || \
615 (c) == '\r' || (c) == '\t' || (c) == '\v')
616 #define ISUPPER(c) ((c) >= 'A' && (c) <= 'Z')
617 #define ISLOWER(c) ((c) >= 'a' && (c) <= 'z')
618 #define ISALPHA(c) (ISUPPER (c) || ISLOWER (c))
619 #define TOUPPER(c) (ISLOWER (c) ? (c) - 'a' + 'A' : (c))
620 #define TOLOWER(c) (ISUPPER (c) ? (c) - 'A' + 'a' : (c))
625 const gchar *s, *save;
628 g_return_val_if_fail (nptr != NULL, 0);
630 if (base == 1 || base > 36)
638 /* Skip white space. */
642 if (G_UNLIKELY (!*s))
645 /* Check for a sign. */
655 /* Recognize number prefix and if BASE is zero, figure it out ourselves. */
658 if ((base == 0 || base == 16) && TOUPPER (s[1]) == 'X')
669 /* Save the pointer so we can check later if anything happened. */
671 cutoff = G_MAXUINT64 / base;
672 cutlim = G_MAXUINT64 % base;
679 if (c >= '0' && c <= '9')
681 else if (ISALPHA (c))
682 c = TOUPPER (c) - 'A' + 10;
687 /* Check for overflow. */
688 if (ui64 > cutoff || (ui64 == cutoff && c > cutlim))
697 /* Check if anything actually happened. */
701 /* Store in ENDPTR the address of one character
702 past the last character we converted. */
704 *endptr = (gchar*) s;
706 if (G_UNLIKELY (overflow))
715 /* We must handle a special case here: the base is 0 or 16 and the
716 first two characters are '0' and 'x', but the rest are no
717 hexadecimal digits. This is no error case. We return 0 and
718 ENDPTR points to the `x`. */
721 if (save - nptr >= 2 && TOUPPER (save[-1]) == 'X'
723 *endptr = (gchar*) &save[-1];
725 /* There was no number to convert. */
726 *endptr = (gchar*) nptr;
733 * @nptr: the string to convert to a numeric value.
734 * @endptr: if non-%NULL, it returns the character after
735 * the last character used in the conversion.
736 * @base: to be used for the conversion, 2..36 or 0
738 * Converts a string to a #guint64 value.
739 * This function behaves like the standard strtoull() function
740 * does in the C locale. It does this without actually
741 * changing the current locale, since that would not be
744 * This function is typically used when reading configuration
745 * files or other non-user input that should be locale independent.
746 * To handle input from the user you should normally use the
747 * locale-sensitive system strtoull() function.
749 * If the correct value would cause overflow, %G_MAXUINT64
750 * is returned, and %ERANGE is stored in %errno. If the base is
751 * outside the valid range, zero is returned, and %EINVAL is stored
752 * in %errno. If the string conversion fails, zero is returned, and
753 * @endptr returns @nptr (if @endptr is non-%NULL).
755 * Return value: the #guint64 value or zero on error.
760 g_ascii_strtoull (const gchar *nptr,
767 result = g_parse_long_long (nptr, endptr, base, &negative);
769 /* Return the result of the appropriate sign. */
770 return negative ? -result : result;
775 * @nptr: the string to convert to a numeric value.
776 * @endptr: if non-%NULL, it returns the character after
777 * the last character used in the conversion.
778 * @base: to be used for the conversion, 2..36 or 0
780 * Converts a string to a #gint64 value.
781 * This function behaves like the standard strtoll() function
782 * does in the C locale. It does this without actually
783 * changing the current locale, since that would not be
786 * This function is typically used when reading configuration
787 * files or other non-user input that should be locale independent.
788 * To handle input from the user you should normally use the
789 * locale-sensitive system strtoll() function.
791 * If the correct value would cause overflow, %G_MAXINT64 or %G_MININT64
792 * is returned, and %ERANGE is stored in %errno. If the base is
793 * outside the valid range, zero is returned, and %EINVAL is stored
794 * in %errno. If the string conversion fails, zero is returned, and
795 * @endptr returns @nptr (if @endptr is non-%NULL).
797 * Return value: the #gint64 value or zero on error.
802 g_ascii_strtoll (const gchar *nptr,
809 result = g_parse_long_long (nptr, endptr, base, &negative);
811 if (negative && result > (guint64) G_MININT64)
816 else if (!negative && result > (guint64) G_MAXINT64)
822 return (gint64) result;
825 G_CONST_RETURN gchar*
826 g_strerror (gint errnum)
828 static GStaticPrivate msg_private = G_STATIC_PRIVATE_INIT;
830 int saved_errno = errno;
833 const char *msg_locale;
835 msg_locale = strerror (errnum);
836 if (g_get_charset (NULL))
843 gchar *msg_utf8 = g_locale_to_utf8 (msg_locale, -1, NULL, NULL, NULL);
846 /* Stick in the quark table so that we can return a static result
848 GQuark msg_quark = g_quark_from_string (msg_utf8);
851 msg_utf8 = (gchar *) g_quark_to_string (msg_quark);
860 case E2BIG: return "argument list too long";
863 case EACCES: return "permission denied";
866 case EADDRINUSE: return "address already in use";
869 case EADDRNOTAVAIL: return "can't assign requested address";
872 case EADV: return "advertise error";
875 case EAFNOSUPPORT: return "address family not supported by protocol family";
878 case EAGAIN: return "try again";
881 case EALIGN: return "EALIGN";
884 case EALREADY: return "operation already in progress";
887 case EBADE: return "bad exchange descriptor";
890 case EBADF: return "bad file number";
893 case EBADFD: return "file descriptor in bad state";
896 case EBADMSG: return "not a data message";
899 case EBADR: return "bad request descriptor";
902 case EBADRPC: return "RPC structure is bad";
905 case EBADRQC: return "bad request code";
908 case EBADSLT: return "invalid slot";
911 case EBFONT: return "bad font file format";
914 case EBUSY: return "mount device busy";
917 case ECHILD: return "no children";
920 case ECHRNG: return "channel number out of range";
923 case ECOMM: return "communication error on send";
926 case ECONNABORTED: return "software caused connection abort";
929 case ECONNREFUSED: return "connection refused";
932 case ECONNRESET: return "connection reset by peer";
934 #if defined(EDEADLK) && (!defined(EWOULDBLOCK) || (EDEADLK != EWOULDBLOCK))
935 case EDEADLK: return "resource deadlock avoided";
938 case EDEADLOCK: return "resource deadlock avoided";
941 case EDESTADDRREQ: return "destination address required";
944 case EDIRTY: return "mounting a dirty fs w/o force";
947 case EDOM: return "math argument out of range";
950 case EDOTDOT: return "cross mount point";
953 case EDQUOT: return "disk quota exceeded";
956 case EDUPPKG: return "duplicate package name";
959 case EEXIST: return "file already exists";
962 case EFAULT: return "bad address in system call argument";
965 case EFBIG: return "file too large";
968 case EHOSTDOWN: return "host is down";
971 case EHOSTUNREACH: return "host is unreachable";
974 case EIDRM: return "identifier removed";
977 case EINIT: return "initialization error";
980 case EINPROGRESS: return "operation now in progress";
983 case EINTR: return "interrupted system call";
986 case EINVAL: return "invalid argument";
989 case EIO: return "I/O error";
992 case EISCONN: return "socket is already connected";
995 case EISDIR: return "is a directory";
998 case EISNAM: return "is a name file";
1001 case ELBIN: return "ELBIN";
1004 case EL2HLT: return "level 2 halted";
1007 case EL2NSYNC: return "level 2 not synchronized";
1010 case EL3HLT: return "level 3 halted";
1013 case EL3RST: return "level 3 reset";
1016 case ELIBACC: return "can not access a needed shared library";
1019 case ELIBBAD: return "accessing a corrupted shared library";
1022 case ELIBEXEC: return "can not exec a shared library directly";
1025 case ELIBMAX: return "attempting to link in more shared libraries than system limit";
1028 case ELIBSCN: return ".lib section in a.out corrupted";
1031 case ELNRNG: return "link number out of range";
1034 case ELOOP: return "too many levels of symbolic links";
1037 case EMFILE: return "too many open files";
1040 case EMLINK: return "too many links";
1043 case EMSGSIZE: return "message too long";
1046 case EMULTIHOP: return "multihop attempted";
1049 case ENAMETOOLONG: return "file name too long";
1052 case ENAVAIL: return "not available";
1055 case ENET: return "ENET";
1058 case ENETDOWN: return "network is down";
1061 case ENETRESET: return "network dropped connection on reset";
1064 case ENETUNREACH: return "network is unreachable";
1067 case ENFILE: return "file table overflow";
1070 case ENOANO: return "anode table overflow";
1072 #if defined(ENOBUFS) && (!defined(ENOSR) || (ENOBUFS != ENOSR))
1073 case ENOBUFS: return "no buffer space available";
1076 case ENOCSI: return "no CSI structure available";
1079 case ENODATA: return "no data available";
1082 case ENODEV: return "no such device";
1085 case ENOENT: return "no such file or directory";
1088 case ENOEXEC: return "exec format error";
1091 case ENOLCK: return "no locks available";
1094 case ENOLINK: return "link has be severed";
1097 case ENOMEM: return "not enough memory";
1100 case ENOMSG: return "no message of desired type";
1103 case ENONET: return "machine is not on the network";
1106 case ENOPKG: return "package not installed";
1109 case ENOPROTOOPT: return "bad proocol option";
1112 case ENOSPC: return "no space left on device";
1115 case ENOSR: return "out of stream resources";
1118 case ENOSTR: return "not a stream device";
1121 case ENOSYM: return "unresolved symbol name";
1124 case ENOSYS: return "function not implemented";
1127 case ENOTBLK: return "block device required";
1130 case ENOTCONN: return "socket is not connected";
1133 case ENOTDIR: return "not a directory";
1136 case ENOTEMPTY: return "directory not empty";
1139 case ENOTNAM: return "not a name file";
1142 case ENOTSOCK: return "socket operation on non-socket";
1145 case ENOTTY: return "inappropriate device for ioctl";
1148 case ENOTUNIQ: return "name not unique on network";
1151 case ENXIO: return "no such device or address";
1154 case EOPNOTSUPP: return "operation not supported on socket";
1157 case EPERM: return "not owner";
1160 case EPFNOSUPPORT: return "protocol family not supported";
1163 case EPIPE: return "broken pipe";
1166 case EPROCLIM: return "too many processes";
1169 case EPROCUNAVAIL: return "bad procedure for program";
1171 #ifdef EPROGMISMATCH
1172 case EPROGMISMATCH: return "program version wrong";
1175 case EPROGUNAVAIL: return "RPC program not available";
1178 case EPROTO: return "protocol error";
1180 #ifdef EPROTONOSUPPORT
1181 case EPROTONOSUPPORT: return "protocol not suppored";
1184 case EPROTOTYPE: return "protocol wrong type for socket";
1187 case ERANGE: return "math result unrepresentable";
1189 #if defined(EREFUSED) && (!defined(ECONNREFUSED) || (EREFUSED != ECONNREFUSED))
1190 case EREFUSED: return "EREFUSED";
1193 case EREMCHG: return "remote address changed";
1196 case EREMDEV: return "remote device";
1199 case EREMOTE: return "pathname hit remote file system";
1202 case EREMOTEIO: return "remote i/o error";
1204 #ifdef EREMOTERELEASE
1205 case EREMOTERELEASE: return "EREMOTERELEASE";
1208 case EROFS: return "read-only file system";
1211 case ERPCMISMATCH: return "RPC version is wrong";
1214 case ERREMOTE: return "object is remote";
1217 case ESHUTDOWN: return "can't send afer socket shutdown";
1219 #ifdef ESOCKTNOSUPPORT
1220 case ESOCKTNOSUPPORT: return "socket type not supported";
1223 case ESPIPE: return "invalid seek";
1226 case ESRCH: return "no such process";
1229 case ESRMNT: return "srmount error";
1232 case ESTALE: return "stale remote file handle";
1235 case ESUCCESS: return "Error 0";
1238 case ETIME: return "timer expired";
1241 case ETIMEDOUT: return "connection timed out";
1244 case ETOOMANYREFS: return "too many references: can't splice";
1247 case ETXTBSY: return "text file or pseudo-device busy";
1250 case EUCLEAN: return "structure needs cleaning";
1253 case EUNATCH: return "protocol driver not attached";
1256 case EUSERS: return "too many users";
1259 case EVERSION: return "version mismatch";
1261 #if defined(EWOULDBLOCK) && (!defined(EAGAIN) || (EWOULDBLOCK != EAGAIN))
1262 case EWOULDBLOCK: return "operation would block";
1265 case EXDEV: return "cross-domain link";
1268 case EXFULL: return "message tables full";
1271 #else /* NO_SYS_ERRLIST */
1272 extern int sys_nerr;
1273 extern char *sys_errlist[];
1275 if ((errnum > 0) && (errnum <= sys_nerr))
1276 return sys_errlist [errnum];
1277 #endif /* NO_SYS_ERRLIST */
1279 msg = g_static_private_get (&msg_private);
1282 msg = g_new (gchar, 64);
1283 g_static_private_set (&msg_private, msg, g_free);
1286 _g_sprintf (msg, "unknown error (%d)", errnum);
1288 errno = saved_errno;
1292 G_CONST_RETURN gchar*
1293 g_strsignal (gint signum)
1295 static GStaticPrivate msg_private = G_STATIC_PRIVATE_INIT;
1298 #ifdef HAVE_STRSIGNAL
1299 const char *msg_locale;
1301 #if defined(G_OS_BEOS) || defined(G_WITH_CYGWIN)
1302 extern const char *strsignal(int);
1304 /* this is declared differently (const) in string.h on BeOS */
1305 extern char *strsignal (int sig);
1306 #endif /* !G_OS_BEOS && !G_WITH_CYGWIN */
1307 msg_locale = strsignal (signum);
1308 if (g_get_charset (NULL))
1312 gchar *msg_utf8 = g_locale_to_utf8 (msg_locale, -1, NULL, NULL, NULL);
1315 /* Stick in the quark table so that we can return a static result
1317 GQuark msg_quark = g_quark_from_string (msg_utf8);
1320 return g_quark_to_string (msg_quark);
1323 #elif NO_SYS_SIGLIST
1327 case SIGHUP: return "Hangup";
1330 case SIGINT: return "Interrupt";
1333 case SIGQUIT: return "Quit";
1336 case SIGILL: return "Illegal instruction";
1339 case SIGTRAP: return "Trace/breakpoint trap";
1342 case SIGABRT: return "IOT trap/Abort";
1345 case SIGBUS: return "Bus error";
1348 case SIGFPE: return "Floating point exception";
1351 case SIGKILL: return "Killed";
1354 case SIGUSR1: return "User defined signal 1";
1357 case SIGSEGV: return "Segmentation fault";
1360 case SIGUSR2: return "User defined signal 2";
1363 case SIGPIPE: return "Broken pipe";
1366 case SIGALRM: return "Alarm clock";
1369 case SIGTERM: return "Terminated";
1372 case SIGSTKFLT: return "Stack fault";
1375 case SIGCHLD: return "Child exited";
1378 case SIGCONT: return "Continued";
1381 case SIGSTOP: return "Stopped (signal)";
1384 case SIGTSTP: return "Stopped";
1387 case SIGTTIN: return "Stopped (tty input)";
1390 case SIGTTOU: return "Stopped (tty output)";
1393 case SIGURG: return "Urgent condition";
1396 case SIGXCPU: return "CPU time limit exceeded";
1399 case SIGXFSZ: return "File size limit exceeded";
1402 case SIGVTALRM: return "Virtual time alarm";
1405 case SIGPROF: return "Profile signal";
1408 case SIGWINCH: return "Window size changed";
1411 case SIGIO: return "Possible I/O";
1414 case SIGPWR: return "Power failure";
1417 case SIGUNUSED: return "Unused signal";
1420 #else /* NO_SYS_SIGLIST */
1422 #ifdef NO_SYS_SIGLIST_DECL
1423 extern char *sys_siglist[]; /*(see Tue Jan 19 00:44:24 1999 in changelog)*/
1426 return (char*) /* this function should return const --josh */ sys_siglist [signum];
1427 #endif /* NO_SYS_SIGLIST */
1429 msg = g_static_private_get (&msg_private);
1432 msg = g_new (gchar, 64);
1433 g_static_private_set (&msg_private, msg, g_free);
1436 _g_sprintf (msg, "unknown signal (%d)", signum);
1441 /* Functions g_strlcpy and g_strlcat were originally developed by
1442 * Todd C. Miller <Todd.Miller@courtesan.com> to simplify writing secure code.
1443 * See ftp://ftp.openbsd.org/pub/OpenBSD/src/lib/libc/string/strlcpy.3
1444 * for more information.
1448 /* Use the native ones, if available; they might be implemented in assembly */
1450 g_strlcpy (gchar *dest,
1454 g_return_val_if_fail (dest != NULL, 0);
1455 g_return_val_if_fail (src != NULL, 0);
1457 return strlcpy (dest, src, dest_size);
1461 g_strlcat (gchar *dest,
1465 g_return_val_if_fail (dest != NULL, 0);
1466 g_return_val_if_fail (src != NULL, 0);
1468 return strlcat (dest, src, dest_size);
1471 #else /* ! HAVE_STRLCPY */
1474 * Copy string src to buffer dest (of buffer size dest_size). At most
1475 * dest_size-1 characters will be copied. Always NUL terminates
1476 * (unless dest_size == 0). This function does NOT allocate memory.
1477 * Unlike strncpy, this function doesn't pad dest (so it's often faster).
1478 * Returns size of attempted result, strlen(src),
1479 * so if retval >= dest_size, truncation occurred.
1482 g_strlcpy (gchar *dest,
1486 register gchar *d = dest;
1487 register const gchar *s = src;
1488 register gsize n = dest_size;
1490 g_return_val_if_fail (dest != NULL, 0);
1491 g_return_val_if_fail (src != NULL, 0);
1493 /* Copy as many bytes as will fit */
1494 if (n != 0 && --n != 0)
1497 register gchar c = *s++;
1505 /* If not enough room in dest, add NUL and traverse rest of src */
1514 return s - src - 1; /* count does not include NUL */
1519 * Appends string src to buffer dest (of buffer size dest_size).
1520 * At most dest_size-1 characters will be copied.
1521 * Unlike strncat, dest_size is the full size of dest, not the space left over.
1522 * This function does NOT allocate memory.
1523 * This always NUL terminates (unless siz == 0 or there were no NUL characters
1524 * in the dest_size characters of dest to start with).
1525 * Returns size of attempted result, which is
1526 * MIN (dest_size, strlen (original dest)) + strlen (src),
1527 * so if retval >= dest_size, truncation occurred.
1530 g_strlcat (gchar *dest,
1534 register gchar *d = dest;
1535 register const gchar *s = src;
1536 register gsize bytes_left = dest_size;
1537 gsize dlength; /* Logically, MIN (strlen (d), dest_size) */
1539 g_return_val_if_fail (dest != NULL, 0);
1540 g_return_val_if_fail (src != NULL, 0);
1542 /* Find the end of dst and adjust bytes left but don't go past end */
1543 while (*d != 0 && bytes_left-- != 0)
1546 bytes_left = dest_size - dlength;
1548 if (bytes_left == 0)
1549 return dlength + strlen (s);
1553 if (bytes_left != 1)
1562 return dlength + (s - src); /* count does not include NUL */
1564 #endif /* ! HAVE_STRLCPY */
1569 * @len: length of @str in bytes, or -1 if @str is nul-terminated.
1571 * Converts all upper case ASCII letters to lower case ASCII letters.
1573 * Return value: a newly-allocated string, with all the upper case
1574 * characters in @str converted to lower case, with
1575 * semantics that exactly match g_ascii_tolower(). (Note
1576 * that this is unlike the old g_strdown(), which modified
1577 * the string in place.)
1580 g_ascii_strdown (const gchar *str,
1585 g_return_val_if_fail (str != NULL, NULL);
1590 result = g_strndup (str, len);
1591 for (s = result; *s; s++)
1592 *s = g_ascii_tolower (*s);
1594 g_mem_mark_type (result, G_MEM_TYPE_STRING, 0);
1601 * @len: length of @str in bytes, or -1 if @str is nul-terminated.
1603 * Converts all lower case ASCII letters to upper case ASCII letters.
1605 * Return value: a newly allocated string, with all the lower case
1606 * characters in @str converted to upper case, with
1607 * semantics that exactly match g_ascii_toupper(). (Note
1608 * that this is unlike the old g_strup(), which modified
1609 * the string in place.)
1612 g_ascii_strup (const gchar *str,
1617 g_return_val_if_fail (str != NULL, NULL);
1622 result = g_strndup (str, len);
1623 for (s = result; *s; s++)
1624 *s = g_ascii_toupper (*s);
1626 g_mem_mark_type (result, G_MEM_TYPE_STRING, 0);
1632 * @string: the string to convert.
1634 * Converts a string to lower case.
1636 * Return value: the string
1638 * Deprecated:2.2: This function is totally broken for the reasons discussed
1639 * in the g_strncasecmp() docs - use g_ascii_strdown() or g_utf8_strdown()
1643 g_strdown (gchar *string)
1647 g_return_val_if_fail (string != NULL, NULL);
1649 s = (guchar *) string;
1658 return (gchar *) string;
1663 * @string: the string to convert.
1665 * Converts a string to upper case.
1667 * Return value: the string
1669 * Deprecated:2.2: This function is totally broken for the reasons discussed
1670 * in the g_strncasecmp() docs - use g_ascii_strup() or g_utf8_strup() instead.
1673 g_strup (gchar *string)
1677 g_return_val_if_fail (string != NULL, NULL);
1679 s = (guchar *) string;
1688 return (gchar *) string;
1692 g_strreverse (gchar *string)
1694 g_return_val_if_fail (string != NULL, NULL);
1698 register gchar *h, *t;
1701 t = string + strlen (string) - 1;
1720 * @c: any character.
1722 * Convert a character to ASCII lower case.
1724 * Unlike the standard C library tolower() function, this only
1725 * recognizes standard ASCII letters and ignores the locale, returning
1726 * all non-ASCII characters unchanged, even if they are lower case
1727 * letters in a particular character set. Also unlike the standard
1728 * library function, this takes and returns a char, not an int, so
1729 * don't call it on %EOF but no need to worry about casting to #guchar
1730 * before passing a possibly non-ASCII character in.
1732 * Return value: the result of converting @c to lower case.
1733 * If @c is not an ASCII upper case letter,
1734 * @c is returned unchanged.
1737 g_ascii_tolower (gchar c)
1739 return g_ascii_isupper (c) ? c - 'A' + 'a' : c;
1744 * @c: any character.
1746 * Convert a character to ASCII upper case.
1748 * Unlike the standard C library toupper() function, this only
1749 * recognizes standard ASCII letters and ignores the locale, returning
1750 * all non-ASCII characters unchanged, even if they are upper case
1751 * letters in a particular character set. Also unlike the standard
1752 * library function, this takes and returns a char, not an int, so
1753 * don't call it on %EOF but no need to worry about casting to #guchar
1754 * before passing a possibly non-ASCII character in.
1756 * Return value: the result of converting @c to upper case.
1757 * If @c is not an ASCII lower case letter,
1758 * @c is returned unchanged.
1761 g_ascii_toupper (gchar c)
1763 return g_ascii_islower (c) ? c - 'a' + 'A' : c;
1767 * g_ascii_digit_value:
1768 * @c: an ASCII character.
1770 * Determines the numeric value of a character as a decimal
1771 * digit. Differs from g_unichar_digit_value() because it takes
1772 * a char, so there's no worry about sign extension if characters
1775 * Return value: If @c is a decimal digit (according to
1776 * g_ascii_isdigit()), its numeric value. Otherwise, -1.
1779 g_ascii_digit_value (gchar c)
1781 if (g_ascii_isdigit (c))
1787 * g_ascii_xdigit_value:
1788 * @c: an ASCII character.
1790 * Determines the numeric value of a character as a hexidecimal
1791 * digit. Differs from g_unichar_xdigit_value() because it takes
1792 * a char, so there's no worry about sign extension if characters
1795 * Return value: If @c is a hex digit (according to
1796 * g_ascii_isxdigit()), its numeric value. Otherwise, -1.
1799 g_ascii_xdigit_value (gchar c)
1801 if (c >= 'A' && c <= 'F')
1802 return c - 'A' + 10;
1803 if (c >= 'a' && c <= 'f')
1804 return c - 'a' + 10;
1805 return g_ascii_digit_value (c);
1809 * g_ascii_strcasecmp:
1810 * @s1: string to compare with @s2.
1811 * @s2: string to compare with @s1.
1813 * Compare two strings, ignoring the case of ASCII characters.
1815 * Unlike the BSD strcasecmp() function, this only recognizes standard
1816 * ASCII letters and ignores the locale, treating all non-ASCII
1817 * bytes as if they are not letters.
1819 * This function should be used only on strings that are known to be
1820 * in encodings where the bytes corresponding to ASCII letters always
1821 * represent themselves. This includes UTF-8 and the ISO-8859-*
1822 * charsets, but not for instance double-byte encodings like the
1823 * Windows Codepage 932, where the trailing bytes of double-byte
1824 * characters include all ASCII letters. If you compare two CP932
1825 * strings using this function, you will get false matches.
1827 * Return value: 0 if the strings match, a negative value if @s1 < @s2,
1828 * or a positive value if @s1 > @s2.
1831 g_ascii_strcasecmp (const gchar *s1,
1836 g_return_val_if_fail (s1 != NULL, 0);
1837 g_return_val_if_fail (s2 != NULL, 0);
1841 c1 = (gint)(guchar) TOLOWER (*s1);
1842 c2 = (gint)(guchar) TOLOWER (*s2);
1848 return (((gint)(guchar) *s1) - ((gint)(guchar) *s2));
1852 * g_ascii_strncasecmp:
1853 * @s1: string to compare with @s2.
1854 * @s2: string to compare with @s1.
1855 * @n: number of characters to compare.
1857 * Compare @s1 and @s2, ignoring the case of ASCII characters and any
1858 * characters after the first @n in each string.
1860 * Unlike the BSD strcasecmp() function, this only recognizes standard
1861 * ASCII letters and ignores the locale, treating all non-ASCII
1862 * characters as if they are not letters.
1864 * The same warning as in g_ascii_strcasecmp() applies: Use this
1865 * function only on strings known to be in encodings where bytes
1866 * corresponding to ASCII letters always represent themselves.
1868 * Return value: 0 if the strings match, a negative value if @s1 < @s2,
1869 * or a positive value if @s1 > @s2.
1872 g_ascii_strncasecmp (const gchar *s1,
1878 g_return_val_if_fail (s1 != NULL, 0);
1879 g_return_val_if_fail (s2 != NULL, 0);
1881 while (n && *s1 && *s2)
1884 c1 = (gint)(guchar) TOLOWER (*s1);
1885 c2 = (gint)(guchar) TOLOWER (*s2);
1892 return (((gint) (guchar) *s1) - ((gint) (guchar) *s2));
1900 * @s2: a string to compare with @s1.
1902 * A case-insensitive string comparison, corresponding to the standard
1903 * strcasecmp() function on platforms which support it.
1905 * Return value: 0 if the strings match, a negative value if @s1 < @s2,
1906 * or a positive value if @s1 > @s2.
1908 * Deprecated:2.2: See g_strncasecmp() for a discussion of why this function
1909 * is deprecated and how to replace it.
1912 g_strcasecmp (const gchar *s1,
1915 #ifdef HAVE_STRCASECMP
1916 g_return_val_if_fail (s1 != NULL, 0);
1917 g_return_val_if_fail (s2 != NULL, 0);
1919 return strcasecmp (s1, s2);
1923 g_return_val_if_fail (s1 != NULL, 0);
1924 g_return_val_if_fail (s2 != NULL, 0);
1928 /* According to A. Cox, some platforms have islower's that
1929 * don't work right on non-uppercase
1931 c1 = isupper ((guchar)*s1) ? tolower ((guchar)*s1) : *s1;
1932 c2 = isupper ((guchar)*s2) ? tolower ((guchar)*s2) : *s2;
1938 return (((gint)(guchar) *s1) - ((gint)(guchar) *s2));
1945 * @s2: a string to compare with @s1.
1946 * @n: the maximum number of characters to compare.
1948 * A case-insensitive string comparison, corresponding to the standard
1949 * strncasecmp() function on platforms which support it.
1950 * It is similar to g_strcasecmp() except it only compares the first @n
1951 * characters of the strings.
1953 * Return value: 0 if the strings match, a negative value if @s1 < @s2,
1954 * or a positive value if @s1 > @s2.
1956 * Deprecated:2.2: The problem with g_strncasecmp() is that it does the
1957 * comparison by calling toupper()/tolower(). These functions are
1958 * locale-specific and operate on single bytes. However, it is impossible
1959 * to handle things correctly from an I18N standpoint by operating on
1960 * bytes, since characters may be multibyte. Thus g_strncasecmp() is
1961 * broken if your string is guaranteed to be ASCII, since it's
1962 * locale-sensitive, and it's broken if your string is localized, since
1963 * it doesn't work on many encodings at all, including UTF-8, EUC-JP,
1966 * There are therefore two replacement functions: g_ascii_strncasecmp(),
1967 * which only works on ASCII and is not locale-sensitive, and
1968 * g_utf8_casefold(), which is good for case-insensitive sorting of UTF-8.
1971 g_strncasecmp (const gchar *s1,
1975 #ifdef HAVE_STRNCASECMP
1976 return strncasecmp (s1, s2, n);
1980 g_return_val_if_fail (s1 != NULL, 0);
1981 g_return_val_if_fail (s2 != NULL, 0);
1983 while (n && *s1 && *s2)
1986 /* According to A. Cox, some platforms have islower's that
1987 * don't work right on non-uppercase
1989 c1 = isupper ((guchar)*s1) ? tolower ((guchar)*s1) : *s1;
1990 c2 = isupper ((guchar)*s2) ? tolower ((guchar)*s2) : *s2;
1997 return (((gint) (guchar) *s1) - ((gint) (guchar) *s2));
2004 g_strdelimit (gchar *string,
2005 const gchar *delimiters,
2010 g_return_val_if_fail (string != NULL, NULL);
2013 delimiters = G_STR_DELIMITERS;
2015 for (c = string; *c; c++)
2017 if (strchr (delimiters, *c))
2025 g_strcanon (gchar *string,
2026 const gchar *valid_chars,
2031 g_return_val_if_fail (string != NULL, NULL);
2032 g_return_val_if_fail (valid_chars != NULL, NULL);
2034 for (c = string; *c; c++)
2036 if (!strchr (valid_chars, *c))
2044 g_strcompress (const gchar *source)
2046 const gchar *p = source, *octal;
2047 gchar *dest = g_malloc (strlen (source) + 1);
2058 g_warning ("g_strcompress: trailing \\");
2060 case '0': case '1': case '2': case '3': case '4':
2061 case '5': case '6': case '7':
2064 while ((p < octal + 3) && (*p >= '0') && (*p <= '7'))
2066 *q = (*q * 8) + (*p - '0');
2087 default: /* Also handles \" and \\ */
2103 g_strescape (const gchar *source,
2104 const gchar *exceptions)
2111 g_return_val_if_fail (source != NULL, NULL);
2113 p = (guchar *) source;
2114 /* Each source byte needs maximally four destination chars (\777) */
2115 q = dest = g_malloc (strlen (source) * 4 + 1);
2117 memset (excmap, 0, 256);
2120 guchar *e = (guchar *) exceptions;
2166 if ((*p < ' ') || (*p >= 0177))
2169 *q++ = '0' + (((*p) >> 6) & 07);
2170 *q++ = '0' + (((*p) >> 3) & 07);
2171 *q++ = '0' + ((*p) & 07);
2185 g_strchug (gchar *string)
2189 g_return_val_if_fail (string != NULL, NULL);
2191 for (start = (guchar*) string; *start && g_ascii_isspace (*start); start++)
2194 g_memmove (string, start, strlen ((gchar *) start) + 1);
2200 g_strchomp (gchar *string)
2204 g_return_val_if_fail (string != NULL, NULL);
2206 len = strlen (string);
2209 if (g_ascii_isspace ((guchar) string[len]))
2220 * @string: a string to split.
2221 * @delimiter: a string which specifies the places at which to split the string.
2222 * The delimiter is not included in any of the resulting strings, unless
2223 * @max_tokens is reached.
2224 * @max_tokens: the maximum number of pieces to split @string into. If this is
2225 * less than 1, the string is split completely.
2227 * Splits a string into a maximum of @max_tokens pieces, using the given
2228 * @delimiter. If @max_tokens is reached, the remainder of @string is appended
2229 * to the last token.
2231 * As a special case, the result of splitting the empty string "" is an empty
2232 * vector, not a vector containing a single string. The reason for this
2233 * special case is that being able to represent a empty vector is typically
2234 * more useful than consistent handling of empty elements. If you do need
2235 * to represent empty elements, you'll need to check for the empty string
2236 * before calling g_strsplit().
2238 * Return value: a newly-allocated %NULL-terminated array of strings. Use
2239 * g_strfreev() to free it.
2242 g_strsplit (const gchar *string,
2243 const gchar *delimiter,
2246 GSList *string_list = NULL, *slist;
2247 gchar **str_array, *s;
2249 const gchar *remainder;
2251 g_return_val_if_fail (string != NULL, NULL);
2252 g_return_val_if_fail (delimiter != NULL, NULL);
2253 g_return_val_if_fail (delimiter[0] != '\0', NULL);
2256 max_tokens = G_MAXINT;
2259 s = strstr (remainder, delimiter);
2262 gsize delimiter_len = strlen (delimiter);
2264 while (--max_tokens && s)
2269 len = s - remainder;
2270 new_string = g_new (gchar, len + 1);
2271 strncpy (new_string, remainder, len);
2272 new_string[len] = 0;
2273 string_list = g_slist_prepend (string_list, new_string);
2275 remainder = s + delimiter_len;
2276 s = strstr (remainder, delimiter);
2282 string_list = g_slist_prepend (string_list, g_strdup (remainder));
2285 str_array = g_new (gchar*, n + 1);
2287 str_array[n--] = NULL;
2288 for (slist = string_list; slist; slist = slist->next)
2289 str_array[n--] = slist->data;
2291 g_slist_free (string_list);
2298 * @string: The string to be tokenized
2299 * @delimiters: A nul-terminated string containing bytes that are used
2300 * to split the string.
2301 * @max_tokens: The maximum number of tokens to split @string into.
2302 * If this is less than 1, the string is split completely
2304 * Splits @string into a number of tokens not containing any of the characters
2305 * in @delimiter. A token is the (possibly empty) longest string that does not
2306 * contain any of the characters in @delimiters. If @max_tokens is reached, the
2307 * remainder is appended to the last token.
2309 * For example the result of g_strsplit_set ("abc:def/ghi", ":/", -1) is a
2310 * %NULL-terminated vector containing the three strings "abc", "def",
2313 * The result if g_strsplit_set (":def/ghi:", ":/", -1) is a %NULL-terminated
2314 * vector containing the four strings "", "def", "ghi", and "".
2316 * As a special case, the result of splitting the empty string "" is an empty
2317 * vector, not a vector containing a single string. The reason for this
2318 * special case is that being able to represent a empty vector is typically
2319 * more useful than consistent handling of empty elements. If you do need
2320 * to represent empty elements, you'll need to check for the empty string
2321 * before calling g_strsplit_set().
2323 * Note that this function works on bytes not characters, so it can't be used
2324 * to delimit UTF-8 strings for anything but ASCII characters.
2326 * Return value: a newly-allocated %NULL-terminated array of strings. Use
2327 * g_strfreev() to free it.
2332 g_strsplit_set (const gchar *string,
2333 const gchar *delimiters,
2336 gboolean delim_table[256];
2337 GSList *tokens, *list;
2340 const gchar *current;
2344 g_return_val_if_fail (string != NULL, NULL);
2345 g_return_val_if_fail (delimiters != NULL, NULL);
2348 max_tokens = G_MAXINT;
2350 if (*string == '\0')
2352 result = g_new (char *, 1);
2357 memset (delim_table, FALSE, sizeof (delim_table));
2358 for (s = delimiters; *s != '\0'; ++s)
2359 delim_table[*(guchar *)s] = TRUE;
2364 s = current = string;
2367 if (delim_table[*(guchar *)s] && n_tokens + 1 < max_tokens)
2371 token = g_strndup (current, s - current);
2372 tokens = g_slist_prepend (tokens, token);
2381 token = g_strndup (current, s - current);
2382 tokens = g_slist_prepend (tokens, token);
2385 result = g_new (gchar *, n_tokens + 1);
2387 result[n_tokens] = NULL;
2388 for (list = tokens; list != NULL; list = list->next)
2389 result[--n_tokens] = list->data;
2391 g_slist_free (tokens);
2398 * @str_array: a %NULL-terminated array of strings to free.
2400 * Frees a %NULL-terminated array of strings, and the array itself.
2401 * If called on a %NULL value, g_strfreev() simply returns.
2404 g_strfreev (gchar **str_array)
2410 for(i = 0; str_array[i] != NULL; i++)
2411 g_free(str_array[i]);
2419 * @str_array: %NULL-terminated array of strings.
2421 * Copies %NULL-terminated array of strings. The copy is a deep copy;
2422 * the new array should be freed by first freeing each string, then
2423 * the array itself. g_strfreev() does this for you. If called
2424 * on a %NULL value, g_strdupv() simply returns %NULL.
2426 * Return value: a new %NULL-terminated array of strings.
2429 g_strdupv (gchar **str_array)
2437 while (str_array[i])
2440 retval = g_new (gchar*, i + 1);
2443 while (str_array[i])
2445 retval[i] = g_strdup (str_array[i]);
2457 g_strjoinv (const gchar *separator,
2463 g_return_val_if_fail (str_array != NULL, NULL);
2465 if (separator == NULL)
2472 gsize separator_len;
2474 separator_len = strlen (separator);
2475 /* First part, getting length */
2476 len = 1 + strlen (str_array[0]);
2477 for (i = 1; str_array[i] != NULL; i++)
2478 len += strlen (str_array[i]);
2479 len += separator_len * (i - 1);
2481 /* Second part, building string */
2482 string = g_new (gchar, len);
2483 ptr = g_stpcpy (string, *str_array);
2484 for (i = 1; str_array[i] != NULL; i++)
2486 ptr = g_stpcpy (ptr, separator);
2487 ptr = g_stpcpy (ptr, str_array[i]);
2491 string = g_strdup ("");
2497 g_strjoin (const gchar *separator,
2503 gsize separator_len;
2506 if (separator == NULL)
2509 separator_len = strlen (separator);
2511 va_start (args, separator);
2513 s = va_arg (args, gchar*);
2517 /* First part, getting length */
2518 len = 1 + strlen (s);
2520 s = va_arg (args, gchar*);
2523 len += separator_len + strlen (s);
2524 s = va_arg (args, gchar*);
2528 /* Second part, building string */
2529 string = g_new (gchar, len);
2531 va_start (args, separator);
2533 s = va_arg (args, gchar*);
2534 ptr = g_stpcpy (string, s);
2536 s = va_arg (args, gchar*);
2539 ptr = g_stpcpy (ptr, separator);
2540 ptr = g_stpcpy (ptr, s);
2541 s = va_arg (args, gchar*);
2545 string = g_strdup ("");
2555 * @haystack: a string.
2556 * @haystack_len: the maximum length of @haystack.
2557 * @needle: the string to search for.
2559 * Searches the string @haystack for the first occurrence
2560 * of the string @needle, limiting the length of the search
2563 * Return value: a pointer to the found occurrence, or
2564 * %NULL if not found.
2567 g_strstr_len (const gchar *haystack,
2568 gssize haystack_len,
2569 const gchar *needle)
2571 g_return_val_if_fail (haystack != NULL, NULL);
2572 g_return_val_if_fail (needle != NULL, NULL);
2574 if (haystack_len < 0)
2575 return strstr (haystack, needle);
2578 const gchar *p = haystack;
2579 gsize needle_len = strlen (needle);
2583 if (needle_len == 0)
2584 return (gchar *)haystack;
2586 if (haystack_len < needle_len)
2589 end = haystack + haystack_len - needle_len;
2591 while (*p && p <= end)
2593 for (i = 0; i < needle_len; i++)
2594 if (p[i] != needle[i])
2609 * @haystack: a nul-terminated string.
2610 * @needle: the nul-terminated string to search for.
2612 * Searches the string @haystack for the last occurrence
2613 * of the string @needle.
2615 * Return value: a pointer to the found occurrence, or
2616 * %NULL if not found.
2619 g_strrstr (const gchar *haystack,
2620 const gchar *needle)
2627 g_return_val_if_fail (haystack != NULL, NULL);
2628 g_return_val_if_fail (needle != NULL, NULL);
2630 needle_len = strlen (needle);
2631 haystack_len = strlen (haystack);
2633 if (needle_len == 0)
2634 return (gchar *)haystack;
2636 if (haystack_len < needle_len)
2639 p = haystack + haystack_len - needle_len;
2641 while (p >= haystack)
2643 for (i = 0; i < needle_len; i++)
2644 if (p[i] != needle[i])
2658 * @haystack: a nul-terminated string.
2659 * @haystack_len: the maximum length of @haystack.
2660 * @needle: the nul-terminated string to search for.
2662 * Searches the string @haystack for the last occurrence
2663 * of the string @needle, limiting the length of the search
2666 * Return value: a pointer to the found occurrence, or
2667 * %NULL if not found.
2670 g_strrstr_len (const gchar *haystack,
2671 gssize haystack_len,
2672 const gchar *needle)
2674 g_return_val_if_fail (haystack != NULL, NULL);
2675 g_return_val_if_fail (needle != NULL, NULL);
2677 if (haystack_len < 0)
2678 return g_strrstr (haystack, needle);
2681 gsize needle_len = strlen (needle);
2682 const gchar *haystack_max = haystack + haystack_len;
2683 const gchar *p = haystack;
2686 while (p < haystack_max && *p)
2689 if (p < haystack + needle_len)
2694 while (p >= haystack)
2696 for (i = 0; i < needle_len; i++)
2697 if (p[i] != needle[i])
2713 * @str: a nul-terminated string.
2714 * @suffix: the nul-terminated suffix to look for.
2716 * Looks whether the string @str ends with @suffix.
2718 * Return value: %TRUE if @str end with @suffix, %FALSE otherwise.
2723 g_str_has_suffix (const gchar *str,
2724 const gchar *suffix)
2729 g_return_val_if_fail (str != NULL, FALSE);
2730 g_return_val_if_fail (suffix != NULL, FALSE);
2732 str_len = strlen (str);
2733 suffix_len = strlen (suffix);
2735 if (str_len < suffix_len)
2738 return strcmp (str + str_len - suffix_len, suffix) == 0;
2743 * @str: a nul-terminated string.
2744 * @prefix: the nul-terminated prefix to look for.
2746 * Looks whether the string @str begins with @prefix.
2748 * Return value: %TRUE if @str begins with @prefix, %FALSE otherwise.
2753 g_str_has_prefix (const gchar *str,
2754 const gchar *prefix)
2759 g_return_val_if_fail (str != NULL, FALSE);
2760 g_return_val_if_fail (prefix != NULL, FALSE);
2762 str_len = strlen (str);
2763 prefix_len = strlen (prefix);
2765 if (str_len < prefix_len)
2768 return strncmp (str, prefix, prefix_len) == 0;
2775 * @msgval: another string
2777 * An auxiliary function for gettext() support (see Q_()).
2779 * Return value: @msgval, unless @msgval is identical to @msgid and contains
2780 * a '|' character, in which case a pointer to the substring of msgid after
2781 * the first '|' character is returned.
2785 G_CONST_RETURN gchar *
2786 g_strip_context (const gchar *msgid,
2787 const gchar *msgval)
2789 if (msgval == msgid)
2791 const char *c = strchr (msgid, '|');
2802 * @str_array: a %NULL-terminated array of strings.
2804 * Returns the length of the given %NULL-terminated
2805 * string array @str_array.
2807 * Return value: length of @str_array.
2812 g_strv_length (gchar **str_array)
2816 g_return_val_if_fail (str_array != NULL, 0);
2818 while (str_array[i])
2824 #define __G_STRFUNCS_C__
2825 #include "galiasdef.c"