MALLOC(3) BSD Library Functions Manual MALLOC(3)
NAME
reallocf -- memory reallocation function
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <stdlib.h>
void *
reallocf(void *ptr, size_t size);
DESCRIPTION
The reallocf() function is identical to the realloc() function, except that it will free the passed pointer when the requested memory cannot
be allocated. This is a FreeBSD specific API designed to ease the problems with traditional coding styles for realloc() causing memory leaks
in libraries.
RETURN VALUES
The reallocf() function returns a pointer, possibly identical to ptr, to the allocated memory if successful; otherwise a NULL pointer is
returned, and errno is set to ENOMEM if the error was the result of an allocation failure. The reallocf() function deletes the original buf-
fer when an error occurs.
SEE ALSO
realloc(3)
HISTORY
The reallocf() function first appeared in FreeBSD 3.0.
BSD
January 31, 2010 BSD
