55 lines
1 KiB
C
55 lines
1 KiB
C
#include <merror.h>
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#include <string.h>
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#include <stdlib.h>
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#include "asm.h"
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int strtab_get_str(struct str_table *strtab, const char *str, size_t *res)
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{
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for (size_t i = 0; i < strtab->size; i ++) {
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if (strcmp(strtab->ptr + i, str) == 0) {
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if (res != NULL)
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*res = i;
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return M_SUCCESS;
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}
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}
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return M_ERROR;
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}
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int strtab_write_str(struct str_table *strtab, const char *str, size_t *res)
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{
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if (strtab_get_str(strtab, str, res) == M_SUCCESS)
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return M_SUCCESS;
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size_t len = strlen(str);
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char *new = realloc(strtab->ptr, strtab->size + len + 1);
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if (new == NULL)
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return M_ERROR;
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strtab->ptr = new;
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memcpy(strtab->ptr + strtab->size, str, len + 1);
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if (res != NULL)
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*res = strtab->size;
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strtab->size += len + 1;
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return M_SUCCESS;
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}
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int strtab_init(struct str_table *strtab)
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{
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strtab->size = 1;
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strtab->ptr = malloc(1);
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if (strtab->ptr == NULL) {
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ERROR("cannot alloc");
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return M_ERROR;
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}
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*strtab->ptr = '\0';
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return M_SUCCESS;
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}
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void strtab_free(struct str_table *strtab)
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{
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free(strtab->ptr);
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}
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