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NULL out free'ed references.

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Maarten Billemont
2017-08-23 00:01:23 -04:00
parent 0a42579d9e
commit a8949ca07e
12 changed files with 171 additions and 172 deletions
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35
core/c/mpw-util.h
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@@ -106,18 +106,18 @@ extern int mpw_verbosity;
/** Push a buffer onto a buffer. reallocs the given buffer and appends the given buffer. */
bool mpw_push_buf(
uint8_t **const buffer, size_t *const bufferSize, const void *pushBuffer, const size_t pushSize);
uint8_t ** buffer, size_t *bufferSize, const void *pushBuffer, const size_t pushSize);
/** Push a string onto a buffer. reallocs the given buffer and appends the given string. */
bool mpw_push_string(
uint8_t **buffer, size_t *const bufferSize, const char *pushString);
uint8_t **buffer, size_t *bufferSize, const char *pushString);
/** Push a string onto another string. reallocs the target string and appends the source string. */
bool mpw_string_push(
char **const string, const char *pushString);
char **string, const char *pushString);
bool mpw_string_pushf(
char **const string, const char *pushFormat, ...);
char **string, const char *pushFormat, ...);
/** Push an integer onto a buffer. reallocs the given buffer and appends the given integer. */
bool mpw_push_int(
uint8_t **const buffer, size_t *const bufferSize, const uint32_t pushInt);
uint8_t **buffer, size_t *bufferSize, const uint32_t pushInt);
/** Reallocate the given buffer from the given size by adding the delta size.
* On success, the buffer size pointer will be updated to the buffer's new size
* and the buffer pointer may be updated to a new memory address.
@@ -128,14 +128,23 @@ bool mpw_push_int(
* @return true if successful, false if reallocation failed.
*/
#define mpw_realloc(buffer, bufferSize, deltaSize) \
__mpw_realloc( (void **)buffer, bufferSize, deltaSize )
bool __mpw_realloc(void **buffer, size_t *bufferSize, const size_t deltaSize);
/** Free a buffer after zero'ing its contents. */
bool mpw_free(
const void *buffer, const size_t bufferSize);
/** Free a string after zero'ing its contents. */
bool mpw_free_string(
const char *strings, ...);
({ typeof(buffer) _b = buffer; const void *__b = *_b; __mpw_realloc( (const void **)_b, bufferSize, deltaSize ); })
bool __mpw_realloc(const void **buffer, size_t *bufferSize, const size_t deltaSize);
/** Free a buffer after zero'ing its contents, then set the reference to NULL. */
#define mpw_free(buffer, bufferSize) \
({ typeof(buffer) _b = buffer; const void *__b = *_b; __mpw_free((const void **)_b, bufferSize); })
bool __mpw_free(
const void **buffer, const size_t bufferSize);
/** Free a string after zero'ing its contents, then set the reference to NULL. */
#define mpw_free_string(string) \
({ typeof(string) _s = string; const char *__s = *_s; __mpw_free_string((const char **)_s); })
bool __mpw_free_string(
const char **string);
/** Free strings after zero'ing their contents, then set the references to NULL. Terminate the va_list with NULL. */
#define mpw_free_strings(strings, ...) \
({ typeof(strings) _s = strings; const char *__s = *_s; __mpw_free_strings((const char **)strings, __VA_ARGS__); })
bool __mpw_free_strings(
const char **strings, ...);
//// Cryptographic functions.