-/* vi:set ts=4:*/
+/* vi: set sw=4 ts=4: */
/*
* 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 */
-int compare_string_array(const char * const 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)
{
int i;
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;
+}