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d4d868a280
libiberty/: * splay-tree.c: Escape wrapping newlines in texinfo markup with '@', to fix function declaration output rendering. * gather-docs: Relax and improve macro name matching to actually match all current names and to allow input line wrapping. * bsearch.c, concat.c, crc32.c, fnmatch.txh, fopen_unlocked.c, hashtab.c, insque.c, make-relative-prefix.c, memchr.c, memcmp.c, memcpy.c, memmem.c, memmove.c, mempcpy.c, memset.c, pexecute.txh, random.c, setenv.c, setproctitle.c, simple-object.txh, snprintf.c, stpncpy.c, strncmp.c, strtod.c, strtol.c, vasprintf.c, vprintf.c, vsnprintf.c, xmemdup.c: Wrap long texinfo input lines. * functions.texi: Regenerate.
40 lines
952 B
C
40 lines
952 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}, @
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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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#else
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# ifdef HAVE_STRINGS_H
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# include <strings.h>
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# endif
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#endif
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PTR
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xmemdup (const PTR input, size_t copy_size, size_t alloc_size)
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{
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PTR output = xcalloc (1, alloc_size);
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return (PTR) memcpy (output, input, copy_size);
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}
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