mips/masm/strtbl.c

54 lines
1 KiB
C

#include <merror.h>
#include <string.h>
#include <stdlib.h>
#include "asm.h"
int strtbl_get_str(struct str_table *str_tbl, const char *str, size_t *res)
{
for (size_t i = 0; i < str_tbl->size; i ++) {
if (strcmp(str_tbl->ptr + i, str) == 0) {
if (res != NULL)
*res = i;
return M_SUCCESS;
}
}
return M_ERROR;
}
int strtbl_write_str(struct str_table *str_tbl, const char *str, size_t *res)
{
if (strtbl_get_str(str_tbl, str, res) == M_SUCCESS)
return M_SUCCESS;
size_t len = strlen(str);
char *new = realloc(str_tbl->ptr, str_tbl->size + len + 1);
if (new == NULL)
return M_ERROR;
str_tbl->ptr = new;
memcpy(str_tbl->ptr + str_tbl->size, str, len + 1);
if (res != NULL)
*res = str_tbl->size;
str_tbl->size += len + 1;
return M_SUCCESS;
}
int strtbl_init(struct str_table *str_tbl)
{
str_tbl->size = 1;
str_tbl->ptr = malloc(1);
if (str_tbl->ptr == NULL) {
ERROR("cannot alloc");
return M_ERROR;
}
*str_tbl->ptr = '\0';
return M_SUCCESS;
}
void strtbl_free(struct str_table *str_tbl)
{
free(str_tbl->ptr);
}