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Last change
on this file was 610, checked in by bird, 22 years ago |
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This commit was generated by cvs2svn to compensate for changes in r609,
which included commits to RCS files with non-trunk default branches.
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Property cvs2svn:cvs-rev
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1.1.1.2
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Property svn:eol-style
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native
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Property svn:executable
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*
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File size:
928 bytes
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| 1 | /* xmemdup.c -- Duplicate a memory buffer, using xcalloc.
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| 2 | This trivial function is in the public domain.
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| 3 | Jeff Garzik, September 1999. */
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| 4 |
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| 5 | /*
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| 6 |
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| 7 | @deftypefn Replacement void* xmemdup (void *@var{input}, size_t @var{copy_size}, size_t @var{alloc_size})
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| 8 |
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| 9 | Duplicates a region of memory without fail. First, @var{alloc_size} bytes
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| 10 | are allocated, then @var{copy_size} bytes from @var{input} are copied into
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| 11 | it, and the new memory is returned. If fewer bytes are copied than were
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| 12 | allocated, the remaining memory is zeroed.
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| 13 |
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| 14 | @end deftypefn
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| 15 |
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| 16 | */
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| 17 |
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| 18 | #ifdef HAVE_CONFIG_H
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| 19 | #include "config.h"
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| 20 | #endif
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| 21 | #include "ansidecl.h"
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| 22 | #include "libiberty.h"
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| 23 |
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| 24 | #include <sys/types.h> /* For size_t. */
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| 25 | #ifdef HAVE_STRING_H
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| 26 | #include <string.h>
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| 27 | #endif
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| 28 |
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| 29 | PTR
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| 30 | xmemdup (input, copy_size, alloc_size)
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| 31 | const PTR input;
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| 32 | size_t copy_size;
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| 33 | size_t alloc_size;
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| 34 | {
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| 35 | PTR output = xcalloc (1, alloc_size);
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| 36 | memcpy (output, input, copy_size);
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| 37 | return output;
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| 38 | }
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