aaa5f039eb
* configure.in (MAKEINFO, PERL): Detect these. (--enable-maintainer-mode): Add. * configure: Regenerate. * Makefile.in (MAKEINFO, PERL): Define. (libiberty.info, libiberty.dvi, libiberty.html): New. (CFILES): Add bsearch.c. (CONFIGURED_OFILES): New, list of objects configure might add. (maint-missing, maint-buildall): New, for maintainers only. (clean, mostlyclean): Add info/dvi/html files. * libiberty.texi, copying-lib.texi, obstacks.texi, functions.texi: New. * gather-docs: New, for maintainers. * maint-tool: New, for maintainers. * alloca.c, atexit.c, basename.c, bcmp.c, bcopy.c, bsearch.c, bzero.c, calloc.c, clock.c, configure.in, configure, getcwd.c, getpagesize.c, getpwd.c, index.c, memchr.c, memcmp.c, memcpy.c, memmove.c, memset.c, putenv.c, rename.c, rindex.c, setenv.c, sigsetmask.c, strcasecmp.c, strchr.c, strdup.c, strerror.c, strncasecmp.c, strncmp.c, strrchr.c, strstr.c, strtod.c, strtol.c, tmpnam.c, vfork.c, vprintf.c, waitpid.c, xatexit.c, xexit.c, xmalloc.c, xmemdup.c, xstrdup.c, xstrerror.c: Add or update documentation. Co-Authored-By: Phil Edwards <pedwards@disaster.jaj.com> From-SVN: r45828
39 lines
928 B
C
39 lines
928 B
C
/* xmemdup.c -- Duplicate a memory buffer, using xcalloc.
|
|
This trivial function is in the public domain.
|
|
Jeff Garzik, September 1999. */
|
|
|
|
/*
|
|
|
|
@deftypefn Replacement void* xmemdup (void *@var{input}, size_t @var{copy_size}, size_t @var{alloc_size})
|
|
|
|
Duplicates a region of memory without fail. First, @var{alloc_size} bytes
|
|
are allocated, then @var{copy_size} bytes from @var{input} are copied into
|
|
it, and the new memory is returned. If fewer bytes are copied than were
|
|
allocated, the remaining memory is zeroed.
|
|
|
|
@end deftypefn
|
|
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
#include "ansidecl.h"
|
|
#include "libiberty.h"
|
|
|
|
#include <sys/types.h> /* For size_t. */
|
|
#ifdef HAVE_STRING_H
|
|
#include <string.h>
|
|
#endif
|
|
|
|
PTR
|
|
xmemdup (input, copy_size, alloc_size)
|
|
const PTR input;
|
|
size_t copy_size;
|
|
size_t alloc_size;
|
|
{
|
|
PTR output = xcalloc (1, alloc_size);
|
|
memcpy (output, input, copy_size);
|
|
return output;
|
|
}
|