Annotation of embedaddon/php/ext/gd/libgd/gdhelpers.c, revision 1.1
1.1 ! misho 1: #ifdef HAVE_CONFIG_H
! 2: #include "config.h"
! 3: #endif
! 4:
! 5: #include "gd.h"
! 6: #include "gdhelpers.h"
! 7: #include <stdlib.h>
! 8: #include <string.h>
! 9:
! 10: /* TBB: gd_strtok_r is not portable; provide an implementation */
! 11:
! 12: #define SEP_TEST (separators[*((unsigned char *) s)])
! 13:
! 14: char *
! 15: gd_strtok_r (char *s, char *sep, char **state)
! 16: {
! 17: char separators[256];
! 18: char *start;
! 19: char *result = 0;
! 20: memset (separators, 0, sizeof (separators));
! 21: while (*sep)
! 22: {
! 23: separators[*((unsigned char *) sep)] = 1;
! 24: sep++;
! 25: }
! 26: if (!s)
! 27: {
! 28: /* Pick up where we left off */
! 29: s = *state;
! 30: }
! 31: start = s;
! 32: /* 1. EOS */
! 33: if (!(*s))
! 34: {
! 35: *state = s;
! 36: return 0;
! 37: }
! 38: /* 2. Leading separators, if any */
! 39: if (SEP_TEST)
! 40: {
! 41: do
! 42: {
! 43: s++;
! 44: }
! 45: while (SEP_TEST);
! 46: /* 2a. EOS after separators only */
! 47: if (!(*s))
! 48: {
! 49: *state = s;
! 50: return 0;
! 51: }
! 52: }
! 53: /* 3. A token */
! 54: result = s;
! 55: do
! 56: {
! 57: /* 3a. Token at end of string */
! 58: if (!(*s))
! 59: {
! 60: *state = s;
! 61: return result;
! 62: }
! 63: s++;
! 64: }
! 65: while (!SEP_TEST);
! 66: /* 4. Terminate token and skip trailing separators */
! 67: *s = '\0';
! 68: do
! 69: {
! 70: s++;
! 71: }
! 72: while (SEP_TEST);
! 73: /* 5. Return token */
! 74: *state = s;
! 75: return result;
! 76: }
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