| #include <stdio.h> |
| #include <stdlib.h> |
| #include <errno.h> |
| #include <assert.h> |
| |
| #include "asn1parser.h" |
| |
| asn1p_constraint_t * |
| asn1p_constraint_new(int _lineno) { |
| asn1p_constraint_t *ct; |
| |
| ct = calloc(1, sizeof(*ct)); |
| if(ct) { |
| ct->_lineno = _lineno; |
| } |
| |
| return ct; |
| } |
| |
| |
| void |
| asn1p_constraint_free(asn1p_constraint_t *ct) { |
| if(ct) { |
| |
| if(ct->value) |
| asn1p_value_free(ct->value); |
| if(ct->range_start) |
| asn1p_value_free(ct->range_start); |
| if(ct->range_stop) |
| asn1p_value_free(ct->range_stop); |
| |
| if(ct->elements) { |
| while(ct->el_count--) { |
| asn1p_constraint_free( |
| ct->elements[ct->el_count]); |
| } |
| free(ct->elements); |
| } |
| |
| free(ct); |
| } |
| } |
| |
| asn1p_constraint_t * |
| asn1p_constraint_clone(asn1p_constraint_t *src) { |
| asn1p_constraint_t *clone; |
| |
| #define CLONE(field, func) do { if(src->field) { \ |
| clone->field = func(src->field); \ |
| if(clone->field == NULL) { \ |
| asn1p_constraint_free(clone); \ |
| return NULL; \ |
| } \ |
| } } while(0) |
| |
| clone = asn1p_constraint_new(src->_lineno); |
| if(clone) { |
| clone->type = src->type; |
| CLONE(value, asn1p_value_clone); |
| CLONE(range_start, asn1p_value_clone); |
| CLONE(range_stop, asn1p_value_clone); |
| } |
| |
| return clone; |
| } |
| |
| int |
| asn1p_constraint_insert(asn1p_constraint_t *into, asn1p_constraint_t *what) { |
| assert(into); |
| assert(what); |
| |
| /* |
| * Make sure there's enough space to add an element. |
| */ |
| if(into->el_count == into->el_size) { |
| int newsize = into->el_size?into->el_size<<2:4; |
| void *p; |
| p = realloc(into->elements, |
| newsize * sizeof(into->elements[0])); |
| if(p) { |
| into->elements = p; |
| into->el_size = newsize; |
| } else { |
| return -1; |
| } |
| } |
| |
| into->elements[into->el_count++] = what; |
| |
| return 0; |
| } |