mips/masm/reftab.c

43 lines
846 B
C

#include <stdlib.h>
#include <merror.h>
#include "tab.h"
#define REFTAB_INIT_LEN 8
int reftab_init(struct reference_table *reftab)
{
reftab->size = REFTAB_INIT_LEN;
reftab->len = 0;
reftab->references = malloc(sizeof(struct reference)
* REFTAB_INIT_LEN);
if (reftab->references == NULL) {
PERROR("cannot alloc");
return M_ERROR;
}
return M_SUCCESS;
}
void reftab_free(struct reference_table *reftab)
{
free(reftab->references);
}
int reftab_push(struct reference_table *reftab, struct reference *ref)
{
if (reftab->len >= reftab->size) {
reftab->size *= 2;
reftab->references = realloc(reftab->references,
sizeof(struct reference) * reftab->size);
if (reftab->references == NULL) {
PERROR("cannot realloc");
return M_ERROR;
}
}
reftab->references[reftab->len++] = *ref;
return M_SUCCESS;
}