Nils O. Selåsdal
133 lines
2.2 KiB
C
133 lines
2.2 KiB
C
#include <string.h>
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#include <stdlib.h>
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#include "ucore/strvec.h"
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void uc_strv_init(struct UCStrv *strv)
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{
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strv->cnt = 0;
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strv->allocated = 0;
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strv->strings = NULL;
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}
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int uc_strv_grow(struct UCStrv *strv, size_t cnt)
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{
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size_t allocate = strv->allocated + cnt;
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void *tmp = realloc(strv->strings, sizeof *strv->strings * allocate);
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if (tmp == NULL) {
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return -1;
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}
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strv->strings = tmp;
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strv->allocated = allocate;
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return 0;
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}
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int uc_strv_check_expand(struct UCStrv *strv)
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{
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int rc = 0;
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if (strv->cnt >= strv->allocated) {
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//make some extra room
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rc = uc_strv_grow(strv, 4);
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}
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return rc;
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}
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int uc_strv_append(struct UCStrv *strv, const char *restrict str)
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{
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int rc;
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char *dup;
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rc = uc_strv_check_expand(strv);
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if (rc != 0) {
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return rc;
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}
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dup = strdup(str);
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if (dup == NULL) {
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return -2;
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}
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strv->strings[strv->cnt] = dup;
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strv->cnt++;
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return 0;
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}
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int uc_strv_append_nocopy(struct UCStrv *strv, char *restrict str)
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{
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int rc;
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rc = uc_strv_check_expand(strv);
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if (rc != 0) {
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return rc;
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}
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strv->strings[strv->cnt] = str;
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strv->cnt++;
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return 0;
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}
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int uc_strv_null_terminate(struct UCStrv *strv)
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{
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int rc;
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rc = uc_strv_check_expand(strv);
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if (rc != 0) {
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return rc;
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}
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strv->strings[strv->cnt] = NULL;
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return 0;
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}
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void uc_strv_clear(struct UCStrv *strv)
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{
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size_t i;
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for (i = 0; i < strv->cnt; i++) {
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free(strv->strings[i]);
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strv->strings[i] = NULL;
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}
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strv->cnt = 0;
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}
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void uc_strv_destroy(struct UCStrv *strv)
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{
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uc_strv_clear(strv);
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free(strv->strings);
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strv->strings = NULL;
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}
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int uc_strv_append_all(struct UCStrv *restrict a, struct UCStrv *restrict b, int copy)
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{
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size_t i;
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int rc;
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rc = uc_strv_grow(a, a->allocated + b->cnt);
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if (rc != 0) {
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return rc;
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}
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for (i = 0; i < b->cnt; i++) {
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if (copy) {
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rc = uc_strv_append(a, b->strings[i]);
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} else {
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rc = uc_strv_append_nocopy(a, b->strings[i]);
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}
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if (rc != 0) {
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return rc;
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}
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}
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return 0;
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}
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