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 <jolsa@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1347295819-23177-3-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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#include <string.h>
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void *memdup(const void *src, size_t len);
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@ -1,5 +1,5 @@
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#include "util.h"
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#include "string.h"
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#include "linux/string.h"
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#define K 1024LL
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/*
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@ -335,3 +335,19 @@ char *rtrim(char *s)
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return s;
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}
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/**
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* memdup - duplicate region of memory
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* @src: memory region to duplicate
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* @len: memory region length
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*/
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void *memdup(const void *src, size_t len)
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{
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void *p;
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p = malloc(len);
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if (p)
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memcpy(p, src, len);
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return p;
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}
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