status-im/sqlcipher
2
0
Fork 0
mirror of https://github.com/status-im/sqlcipher.git synced 2025-02-22 08:48:10 +00:00
Code Issues Projects Releases Wiki Activity

fix and expand sqlcipher_mem_realloc implementation

Browse Source
This commit is contained in:
Stephen Lombardo 2021-09-08 10:20:23 -04:00
parent 5db049f916
commit 7b54c31180
1 changed files with 15 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
src/crypto_impl.c
View File

@ -96,14 +96,24 @@ static void sqlcipher_mem_free(void *p) {
}
static void *sqlcipher_mem_realloc(void *p, int n) {
void *new = NULL;
int orig_sz = 0;
if(mem_security_on) {
new = sqlcipher_mem_malloc(n);
if(new == NULL) {
orig_sz = sqlcipher_mem_size(p);
if (n==0) {
sqlcipher_mem_free(p);
return NULL;
} else if (!p) {
return sqlcipher_mem_malloc(n);
} else if(n <= orig_sz) {
return p;
} else {
new = sqlcipher_mem_malloc(n);
if(new) {
memcpy(new, p, orig_sz);
sqlcipher_mem_free(p);
}
return new;
}
memcpy(new, p, n);
sqlcipher_mem_free(p);
return new;
} else {
return default_mem_methods.xRealloc(p, n);
}