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[1765] | 1 | /* vi: set sw=4 ts=4: */
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[821] | 2 | /*
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| 3 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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| 4 | */
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| 5 |
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| 6 | #include "libbb.h"
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| 7 |
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[1765] | 8 | /* returns the array index of the string */
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| 9 | /* (index of first match is returned, or -1) */
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| 10 | int index_in_str_array(const char *const string_array[], const char *key)
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[821] | 11 | {
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| 12 | int i;
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| 13 |
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| 14 | for (i = 0; string_array[i] != 0; i++) {
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| 15 | if (strcmp(string_array[i], key) == 0) {
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| 16 | return i;
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| 17 | }
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| 18 | }
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[1765] | 19 | return -1;
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[821] | 20 | }
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| 21 |
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[1765] | 22 | int index_in_strings(const char *strings, const char *key)
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| 23 | {
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| 24 | int idx = 0;
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| 25 |
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| 26 | while (strings[0]) {
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| 27 | if (strcmp(strings, key) == 0) {
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| 28 | return idx;
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| 29 | }
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| 30 | strings += strlen(strings) + 1; /* skip NUL */
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| 31 | idx++;
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| 32 | }
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| 33 | return -1;
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| 34 | }
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| 35 |
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| 36 | /* returns the array index of the string, even if it matches only a beginning */
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| 37 | /* (index of first match is returned, or -1) */
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| 38 | #ifdef UNUSED
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| 39 | int index_in_substr_array(const char *const string_array[], const char *key)
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| 40 | {
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| 41 | int i;
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| 42 | int len = strlen(key);
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| 43 | if (len) {
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| 44 | for (i = 0; string_array[i] != 0; i++) {
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| 45 | if (strncmp(string_array[i], key, len) == 0) {
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| 46 | return i;
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| 47 | }
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| 48 | }
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| 49 | }
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| 50 | return -1;
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| 51 | }
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| 52 | #endif
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| 53 |
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| 54 | int index_in_substrings(const char *strings, const char *key)
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| 55 | {
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| 56 | int len = strlen(key);
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| 57 |
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| 58 | if (len) {
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| 59 | int idx = 0;
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| 60 | while (strings[0]) {
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| 61 | if (strncmp(strings, key, len) == 0) {
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| 62 | return idx;
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| 63 | }
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| 64 | strings += strlen(strings) + 1; /* skip NUL */
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| 65 | idx++;
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| 66 | }
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| 67 | }
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| 68 | return -1;
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| 69 | }
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