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diff lwlib/lw_stringlist.c @ 0:2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
author | lost@l-w.ca |
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date | Wed, 19 Jan 2011 22:27:17 -0700 |
parents | |
children | a1a88a8ddc98 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/lwlib/lw_stringlist.c Wed Jan 19 22:27:17 2011 -0700 @@ -0,0 +1,102 @@ +/* +lw_stringlist.c + +Copyright © 2010 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> + +#define ___lw_stringlist_c_seen___ +#include "lw_stringlist.h" +#include "lw_string.h" +#include "lw_alloc.h" + +lw_stringlist_t lw_stringlist_create(void) +{ + lw_stringlist_t s; + + + s = lw_alloc(sizeof(struct lw_stringlist_priv)); + s -> strings = NULL; + s -> nstrings = 0; + s -> cstring = 0; + + return s; +} + +void lw_stringlist_destroy(lw_stringlist_t S) +{ + if (S) + { + int i; + for (i = 0; i < S -> nstrings; i++) + { + lw_free(S -> strings[i]); + } + lw_free(S); + } +} + +void lw_stringlist_addstring(lw_stringlist_t S, char *str) +{ + S -> strings = lw_realloc(S -> strings, sizeof(char *) * (S -> nstrings + 1)); + S -> strings[S -> nstrings] = lw_strdup(str); + S -> nstrings++; +} + +void lw_stringlist_reset(lw_stringlist_t S) +{ + S -> cstring = 0; +} + +char *lw_stringlist_current(lw_stringlist_t S) +{ + if (S -> cstring >= S -> nstrings) + return NULL; + return S -> strings[S -> cstring]; +} + +char *lw_stringlist_next(lw_stringlist_t S) +{ + S -> cstring++; + return lw_stringlist_current(S); +} + +int lw_stringlist_nstrings(lw_stringlist_t S) +{ + return S -> nstrings; +} + +lw_stringlist_t lw_stringlist_copy(lw_stringlist_t S) +{ + lw_stringlist_t r; + + r = lw_alloc(sizeof(lw_stringlist_t)); + r -> nstrings = S -> nstrings; + if (S -> nstrings) + { + int i; + + r -> strings = lw_alloc(sizeof(char *) * S -> nstrings); + for (i = 0; i < S -> nstrings; i++) + { + r -> strings[i] = lw_strdup(S -> strings[i]); + } + } + return r; +}