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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
set to
1.1.1.2
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Property svn:eol-style
set to
native
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Property svn:executable
set to
*
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File size:
656 bytes
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| 1 | /*
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| 2 |
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| 3 | @deftypefn Supplemental char* strdup (const char *@var{s})
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| 4 |
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| 5 | Returns a pointer to a copy of @var{s} in memory obtained from
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| 6 | @code{malloc}, or @code{NULL} if insufficient memory was available.
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| 7 |
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| 8 | @end deftypefn
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| 9 |
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| 10 | */
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| 11 |
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| 12 | #include <ansidecl.h>
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| 13 | #ifdef ANSI_PROTOTYPES
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| 14 | #include <stddef.h>
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| 15 | #else
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| 16 | #define size_t unsigned long
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| 17 | #endif
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| 18 |
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| 19 | extern size_t strlen PARAMS ((const char*));
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| 20 | extern PTR malloc PARAMS ((size_t));
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| 21 | extern PTR memcpy PARAMS ((PTR, const PTR, size_t));
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| 22 |
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| 23 | char *
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| 24 | strdup(s)
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| 25 | char *s;
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| 26 | {
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| 27 | size_t len = strlen (s) + 1;
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| 28 | char *result = (char*) malloc (len);
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| 29 | if (result == (char*) 0)
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| 30 | return (char*) 0;
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| 31 | return (char*) memcpy (result, s, len);
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| 32 | }
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