Nils O. Selåsdal
65 lines
1.2 KiB
C
65 lines
1.2 KiB
C
#include <string.h>
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#include <limits.h>
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#include "ucore/val_str.h"
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#include "ucore/saturating_math.h"
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const char *uc_val_2_str(unsigned int val, const struct UCValStr *array)
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{
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const char *found = NULL;
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while (array->str) {
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if (array->val == val) {
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found = array->str;
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break;
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}
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array++;
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}
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return found;
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}
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const char *uc_val_2_str_bs(unsigned int val,
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const struct UCValStr *array,
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size_t array_len)
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{
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size_t i = array_len;
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const struct UCValStr *start = array;
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const char *found = NULL;
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while (i != 0) {
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const struct UCValStr *curr;
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curr = &start[i / 2]; //middle
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if (curr->val == val) {
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found = curr->str;
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break;
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}
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if (curr->val < val) {
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start = curr + 1; //right half
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i--;
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}
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i = i / 2;
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}
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return found;
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}
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const char *uc_str_2_str(const char *val, const struct UCStrStr *array)
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{
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const char *found = NULL;
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while (array->val) {
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if (strcmp(val, array->val) == 0) {
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found = array->str;
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break;
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}
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array++;
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}
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return found;
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}
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