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faac2436b1
* Make SDB code SPDX compliant * Use some RzUtil functions inside SDB util: compile natively without any extra dependency
89 lines
2.3 KiB
C
89 lines
2.3 KiB
C
// SPDX-FileCopyrightText: 2011-2016 pancake <pancake@nopcode.org>
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// SPDX-License-Identifier: MIT
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#include "sdb.h"
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#include <rz_types.h>
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// check if key exists and if it's a number.. rename?
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RZ_API bool sdb_num_exists(Sdb *s, const char *key) {
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const char *o = sdb_const_get(s, key, NULL);
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return o ? (*o >= '0' && *o <= '9') : false;
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}
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RZ_API ut64 sdb_num_get(Sdb *s, const char *key, ut32 *cas) {
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const char *v = sdb_const_get(s, key, cas);
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return (!v || *v == '-') ? 0LL : sdb_atoi(v);
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}
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RZ_API int sdb_num_add(Sdb *s, const char *key, ut64 v, ut32 cas) {
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char *val, b[SDB_NUM_BUFSZ];
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int numbase = sdb_num_base(sdb_const_get(s, key, NULL));
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val = sdb_itoa(v, b, numbase);
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return sdb_add(s, key, val, cas);
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}
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RZ_API int sdb_num_set(Sdb *s, const char *key, ut64 v, ut32 cas) {
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char *val, b[SDB_NUM_BUFSZ];
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int numbase = sdb_num_base(sdb_const_get(s, key, NULL));
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val = sdb_itoa(v, b, numbase);
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return sdb_set(s, key, val, cas);
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}
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RZ_API ut64 sdb_num_inc(Sdb *s, const char *key, ut64 n2, ut32 cas) {
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ut32 c;
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ut64 n = sdb_num_get(s, key, &c);
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ut64 res = n + n2;
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if ((cas && c != cas) || res < n) {
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return 0LL;
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}
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sdb_num_set(s, key, res, cas);
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return res;
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}
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RZ_API ut64 sdb_num_dec(Sdb *s, const char *key, ut64 n2, ut32 cas) {
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ut32 c;
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ut64 n = sdb_num_get(s, key, &c);
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if (cas && c != cas) {
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return 0LL;
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}
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if (n2 > n) {
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sdb_set(s, key, "0", cas);
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return 0LL; // XXX must be -1LL?
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}
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n -= n2;
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sdb_num_set(s, key, n, cas);
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return n;
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}
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RZ_API int sdb_num_min(Sdb *db, const char *k, ut64 n, ut32 cas) {
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const char *a = sdb_const_get(db, k, NULL);
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return (!a || n < sdb_atoi(a))
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? sdb_num_set(db, k, n, cas)
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: 0;
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}
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RZ_API int sdb_num_max(Sdb *db, const char *k, ut64 n, ut32 cas) {
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const char *a = sdb_const_get(db, k, NULL);
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return (!a || n > sdb_atoi(a))
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? sdb_num_set(db, k, n, cas)
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: 0;
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}
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RZ_API int sdb_bool_set(Sdb *db, const char *str, bool v, ut32 cas) {
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return sdb_set(db, str, v ? "true" : "false", cas);
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}
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RZ_API bool sdb_bool_get(Sdb *db, const char *str, ut32 *cas) {
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const char *b = sdb_const_get(db, str, cas);
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return b && (!strcmp(b, "1") || !strcmp(b, "true"));
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}
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/* pointers */
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RZ_API int sdb_ptr_set(Sdb *db, const char *key, void *p, ut32 cas) {
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return sdb_num_set(db, key, (ut64)(size_t)p, cas);
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}
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RZ_API void *sdb_ptr_get(Sdb *db, const char *key, ut32 *cas) {
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return (void *)(size_t)sdb_num_get(db, key, cas);
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}
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