diff options
author | Lev Walkin <vlm@lionet.info> | 2004-06-03 03:38:44 +0000 |
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committer | Lev Walkin <vlm@lionet.info> | 2004-06-03 03:38:44 +0000 |
commit | f15320bf6b50a0c02636405561ac8323ae901abd (patch) | |
tree | 33461d45122896c6dde35f82f5c7d19b62004a6b /libasn1parser/asn1p_constr.c | |
parent | 746cb60bbccf47019563665f4aec4b6c462c4163 (diff) |
Initial revision
Diffstat (limited to 'libasn1parser/asn1p_constr.c')
-rw-r--r-- | libasn1parser/asn1p_constr.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/libasn1parser/asn1p_constr.c b/libasn1parser/asn1p_constr.c new file mode 100644 index 00000000..6e198892 --- /dev/null +++ b/libasn1parser/asn1p_constr.c @@ -0,0 +1,91 @@ +#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; +} |