|
Last change
on this file since 3176 was 610, checked in by bird, 22 years ago |
|
This commit was generated by cvs2svn to compensate for changes in r609,
which included commits to RCS files with non-trunk default branches.
|
-
Property cvs2svn:cvs-rev
set to
1.1.1.2
-
Property svn:eol-style
set to
native
-
Property svn:executable
set to
*
|
|
File size:
656 bytes
|
| Line | |
|---|
| 1 | /*
|
|---|
| 2 |
|
|---|
| 3 | @deftypefn Supplemental char* strdup (const char *@var{s})
|
|---|
| 4 |
|
|---|
| 5 | Returns a pointer to a copy of @var{s} in memory obtained from
|
|---|
| 6 | @code{malloc}, or @code{NULL} if insufficient memory was available.
|
|---|
| 7 |
|
|---|
| 8 | @end deftypefn
|
|---|
| 9 |
|
|---|
| 10 | */
|
|---|
| 11 |
|
|---|
| 12 | #include <ansidecl.h>
|
|---|
| 13 | #ifdef ANSI_PROTOTYPES
|
|---|
| 14 | #include <stddef.h>
|
|---|
| 15 | #else
|
|---|
| 16 | #define size_t unsigned long
|
|---|
| 17 | #endif
|
|---|
| 18 |
|
|---|
| 19 | extern size_t strlen PARAMS ((const char*));
|
|---|
| 20 | extern PTR malloc PARAMS ((size_t));
|
|---|
| 21 | extern PTR memcpy PARAMS ((PTR, const PTR, size_t));
|
|---|
| 22 |
|
|---|
| 23 | char *
|
|---|
| 24 | strdup(s)
|
|---|
| 25 | char *s;
|
|---|
| 26 | {
|
|---|
| 27 | size_t len = strlen (s) + 1;
|
|---|
| 28 | char *result = (char*) malloc (len);
|
|---|
| 29 | if (result == (char*) 0)
|
|---|
| 30 | return (char*) 0;
|
|---|
| 31 | return (char*) memcpy (result, s, len);
|
|---|
| 32 | }
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
