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imxtools: add const and set pointer to NULL on free to avoid double free

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30918 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Amaury Pouly 2011-11-06 19:41:25 +00:00
parent ae601954aa
commit ad9e280281
2 changed files with 3 additions and 2 deletions
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3
utils/imxtools/misc.c
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@ -30,7 +30,7 @@ bool g_debug = false;
* Misc
*/
void *memdup(void *p, size_t len)
void *memdup(const void *p, size_t len)
{
void *cpy = xmalloc(len);
memcpy(cpy, p, len);
@ -156,6 +156,7 @@ void clear_keys()
{
free(g_key_array);
g_nr_keys = 0;
g_key_array = NULL;
}
void add_keys_from_file(const char *key_file)

2
utils/imxtools/misc.h
View file

@ -38,7 +38,7 @@ typedef struct crypto_key_t *key_array_t;
int g_nr_keys;
key_array_t g_key_array;
void *memdup(void *p, size_t len);
void *memdup(const void *p, size_t len);
void *augment_array(void *arr, size_t elem_sz, size_t cnt, void *aug, size_t aug_cnt);
void generate_random_data(void *buf, size_t sz);
void *xmalloc(size_t s);