CVS update: php3/functions

Date: Sunday March 7, 1999 @ 16:31 Author: sas Update of /repository/php3/functions In directory asf:/u/temp/cvs-serv29346/functions Modified Files: string.c Log Message: ok, in ack to the problems with the previous version, this is much simpler. play with it as much as you can and stress it, please Index: php3/functions/string.c diff -c php3/functions/string.c:1.178 php3/functions/string.c:1.179 *** php3/functions/string.c:1.178 Fri Feb 12 10:41:17 1999 --- php3/functions/string.c Sun Mar 7 16:31:24 1999 *************** *** 30,36 **** */ ! /* $Id: string.c,v 1.178 1999/02/12 15:41:17 fmk Exp $ */ #ifdef THREAD_SAFE #include "tls.h" #endif --- 30,36 ---- */ ! /* $Id: string.c,v 1.179 1999/03/07 21:31:24 sas Exp $ */ #ifdef THREAD_SAFE #include "tls.h" #endif *************** *** 1324,1329 **** --- 1324,1330 ---- *target = 0; } + #if 0 /* * this is a binary safe equivalent to strnstr * note that we don't check for the end in str_to_str but here *************** *** 1398,1403 **** --- 1399,1452 ---- if(_new_length) *_new_length = q - new; return new; } + #endif + + static char *_php3_memstr(char *s, char *c, size_t n, size_t m) + { + char *p; + + for(p = s; (p - s) < n; p++) + if(memcmp(p, c, m) == 0) + return p; + return NULL; + } + + #define ATTCHSTR(st, sz) \ + nl += sz; \ + n = realloc(n, nl + 1); \ + memcpy(n + no, st, sz); \ + no += sz + + + static char *_php3_str_to_str(char *a, int al, char *b, int bl, char *c, int cl, + int *newlen) + { + char *n = NULL, *p, *q; + int nl = 0; + int no = 0; + + /* run through all occurences of b in a */ + for(p = q = a; (p = _php3_memstr(p, b, al - (p - a), bl)); q = p) { + /* attach everything between the previous occ. and this one */ + ATTCHSTR(q, p - q); + /* attach the replacement string c */ + ATTCHSTR(c, cl); + /* jump over string b in a */ + p += bl; + } + + /* anything left over ? */ + if((al - (q - a)) > 0) { + ATTCHSTR(q, al - (q - a)); + } + + if(newlen) *newlen = nl; + n[nl] = '\0'; + + return n; + } + + #undef ATTCHSTR /* {{{ proto string str_replace(string needle, string str, string haystack) Replace all occurrences of needle in haystack with str */ -- PHP Development Mailing List http://www.php.net/ To unsubscribe send an empty message to php-dev-unsubscribe@lists.php.net For help: php-dev-help@lists.php.net