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* 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.
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This trivial function is in the public domain.
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Jeff Garzik, September 1999. */
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/*
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@deftypefn Replacement void* xmemdup (void *@var{input}, size_t @var{copy_size}, size_t @var{alloc_size})
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Duplicates a region of memory without fail. First, @var{alloc_size} bytes
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are allocated, then @var{copy_size} bytes from @var{input} are copied into
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it, and the new memory is returned. If fewer bytes are copied than were
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allocated, the remaining memory is zeroed.
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@end deftypefn
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "ansidecl.h"
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#include "libiberty.h"
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#include <sys/types.h> /* For size_t. */
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif
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PTR
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xmemdup (input, copy_size, alloc_size)
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const PTR input;
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size_t copy_size;
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size_t alloc_size;
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{
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PTR output = xcalloc (1, alloc_size);
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memcpy (output, input, copy_size);
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return output;
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}
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