diff options
| author | Jiri Olsa <[email protected]> | 2012-09-10 18:50:17 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2012-09-11 12:04:41 -0300 |
| commit | b232e0732b1d763834c3d5b098d25d59337ba075 (patch) | |
| tree | 8efb458e33231aa64779c0bfa5bf34dbf7f0d819 | |
| parent | bdde37163e1fd474509aab90f5eaacee46100107 (diff) | |
perf tools: Add memdup function
Adding memdup function to duplicate region of memory.
void *memdup(const void *src, size_t len)
Signed-off-by: Jiri Olsa <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
| -rw-r--r-- | tools/perf/util/include/linux/string.h | 2 | ||||
| -rw-r--r-- | tools/perf/util/string.c | 18 |
2 files changed, 19 insertions, 1 deletions
diff --git a/tools/perf/util/include/linux/string.h b/tools/perf/util/include/linux/string.h index 3b2f5900276f..6f19c548ecc0 100644 --- a/tools/perf/util/include/linux/string.h +++ b/tools/perf/util/include/linux/string.h @@ -1 +1,3 @@ #include <string.h> + +void *memdup(const void *src, size_t len); diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c index 199bc4d8905d..32170590892d 100644 --- a/tools/perf/util/string.c +++ b/tools/perf/util/string.c @@ -1,5 +1,5 @@ #include "util.h" -#include "string.h" +#include "linux/string.h" #define K 1024LL /* @@ -335,3 +335,19 @@ char *rtrim(char *s) return s; } + +/** + * memdup - duplicate region of memory + * @src: memory region to duplicate + * @len: memory region length + */ +void *memdup(const void *src, size_t len) +{ + void *p; + + p = malloc(len); + if (p) + memcpy(p, src, len); + + return p; +} |