busybox/libbb/compare_string_array.c

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/* vi: set sw=4 ts=4: */
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/*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
#include "libbb.h"
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/* returns the array index of the string */
/* (index of first match is returned, or -1) */
int index_in_str_array(const char * const string_array[], const char *key)
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{
int i;
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for (i = 0; string_array[i] != 0; i++) {
if (strcmp(string_array[i], key) == 0) {
return i;
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}
}
return -1;
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}
/* returns the array index of the string, even if it matches only a beginning */
/* (index of first match is returned, or -1) */
int index_in_substr_array(const char * const string_array[], const char *key)
{
int i;
int len = strlen(key);
if (!len)
return -1;
for (i = 0; string_array[i] != 0; i++) {
if (strncmp(string_array[i], key, len) == 0) {
return i;
}
}
return -1;
}