cfree()
Free allocated memory
Synopsis:
#include <malloc.h>
int cfree( void *ptr );
Arguments:
- ptr
- A pointer to the block of memory that you want to free. It's safe to call cfree() with a NULL pointer.
Library:
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
Description:
The cfree() function deallocates the memory block specified by ptr, which was previously returned by a call to calloc(), malloc() or realloc().
Returns:
1
Classification:
| Safety: | |
|---|---|
| Cancellation point | No |
| Interrupt handler | No |
| Signal handler | No |
| Thread | Yes |
Caveats:
Calling cfree() on a pointer already deallocated by a call to cfree(), free(), or realloc() could corrupt the memory allocator's data structures.
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