Mercurial > hg > index.cgi
view lwlib/lw_strpool.c @ 538:5f10e1913d1a
Fix syntax in ignore file
author | William Astle <lost@l-w.ca> |
---|---|
date | Wed, 17 Aug 2022 16:35:13 -0600 |
parents | 670ea8f90212 |
children |
line wrap: on
line source
/* lwlib/lw_strpool.c Copyright © 2013 William Astle This file is part of LWTOOLS. LWTOOLS is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <stdlib.h> #include <string.h> #include "lw_alloc.h" #include "lw_string.h" #include "lw_strpool.h" struct lw_strpool *lw_strpool_create(void) { struct lw_strpool *sp; sp = lw_alloc(sizeof(struct lw_strpool)); sp -> nstrs = 0; sp -> strs = NULL; return sp; } extern void lw_strpool_free(struct lw_strpool *sp) { int i; for (i = 0; i < sp -> nstrs; i++) lw_free(sp -> strs[i]); lw_free(sp -> strs); lw_free(sp); } char *lw_strpool_strdup(struct lw_strpool *sp, const char *s) { int i; if (!s) return NULL; /* first do a fast scan for a pointer match */ for (i = 0; i < sp -> nstrs; i++) if (sp -> strs[i] == s) return sp -> strs[i]; /* no match - do a slow scan for a string match */ for (i = 0; i < sp -> nstrs; i++) if (strcmp(sp -> strs[i], s) == 0) return sp -> strs[i]; /* no match - create a new string entry */ sp -> strs = lw_realloc(sp -> strs, sizeof(char *) * (sp -> nstrs + 1)); sp -> strs[sp -> nstrs] = lw_strdup(s); sp -> nstrs++; return sp -> strs[sp -> nstrs - 1]; }