diff options
Diffstat (limited to 'release/src/router/busybox/libbb/compare_string_array.c')
-rw-r--r-- | release/src/router/busybox/libbb/compare_string_array.c | 85 |
1 files changed, 66 insertions, 19 deletions
diff --git a/release/src/router/busybox/libbb/compare_string_array.c b/release/src/router/busybox/libbb/compare_string_array.c index 993b4626..43c59e8e 100644 --- a/release/src/router/busybox/libbb/compare_string_array.c +++ b/release/src/router/busybox/libbb/compare_string_array.c @@ -1,31 +1,78 @@ +/* vi: set sw=4 ts=4: */ /* - * This program 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 2 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, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. */ -#include <string.h> +#include "libbb.h" -/* returns the array number of the string */ -extern unsigned short compare_string_array(const char *string_array[], const char *key) +/* returns the array index of the string */ +/* (index of first match is returned, or -1) */ +int FAST_FUNC index_in_str_array(const char *const string_array[], const char *key) { - unsigned short i; + int i; for (i = 0; string_array[i] != 0; i++) { if (strcmp(string_array[i], key) == 0) { - break; + return i; } } - return(i); + return -1; } +int FAST_FUNC index_in_strings(const char *strings, const char *key) +{ + int idx = 0; + + while (*strings) { + if (strcmp(strings, key) == 0) { + return idx; + } + strings += strlen(strings) + 1; /* skip NUL */ + idx++; + } + return -1; +} + +/* returns the array index of the string, even if it matches only a beginning */ +/* (index of first match is returned, or -1) */ +#ifdef UNUSED +int FAST_FUNC index_in_substr_array(const char *const string_array[], const char *key) +{ + int i; + int len = strlen(key); + if (len) { + for (i = 0; string_array[i] != 0; i++) { + if (strncmp(string_array[i], key, len) == 0) { + return i; + } + } + } + return -1; +} +#endif + +int FAST_FUNC index_in_substrings(const char *strings, const char *key) +{ + int len = strlen(key); + + if (len) { + int idx = 0; + while (*strings) { + if (strncmp(strings, key, len) == 0) { + return idx; + } + strings += strlen(strings) + 1; /* skip NUL */ + idx++; + } + } + return -1; +} + +const char* FAST_FUNC nth_string(const char *strings, int n) +{ + while (n) { + n--; + strings += strlen(strings) + 1; + } + return strings; +} |