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author | Sascha Hauer <s.hauer@pengutronix.de> | 2013-11-25 15:37:33 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2013-11-27 10:42:54 +0100 |
commit | 54f55d79d92986477c08791fe8cbdef32e3eae6f (patch) | |
tree | 8acdfabdffaa32d1c11b253ce3601fa6b083a955 /lib | |
parent | b0cd10ff12a01ada7f2f0833db42a65cc32beab8 (diff) | |
download | barebox-54f55d79d92986477c08791fe8cbdef32e3eae6f.tar.gz barebox-54f55d79d92986477c08791fe8cbdef32e3eae6f.tar.xz |
string: Add (x)memdup
It's a common task to duplicate some memory. Add (x)memdup functions.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'lib')
-rw-r--r-- | lib/string.c | 14 | ||||
-rw-r--r-- | lib/xfuncs.c | 10 |
2 files changed, 24 insertions, 0 deletions
diff --git a/lib/string.c b/lib/string.c index eeec137c9e..ceced7f48e 100644 --- a/lib/string.c +++ b/lib/string.c @@ -725,3 +725,17 @@ void *memchr_inv(const void *start, int c, size_t bytes) return check_bytes8(start, value, bytes % 8); } EXPORT_SYMBOL(memchr_inv); + +void *memdup(const void *orig, size_t size) +{ + void *buf; + + buf = malloc(size); + if (!buf) + return NULL; + + memcpy(buf, orig, size); + + return buf; +} +EXPORT_SYMBOL(memdup); diff --git a/lib/xfuncs.c b/lib/xfuncs.c index db85720195..86d0013787 100644 --- a/lib/xfuncs.c +++ b/lib/xfuncs.c @@ -75,3 +75,13 @@ void* xmemalign(size_t alignment, size_t bytes) return p; } EXPORT_SYMBOL(xmemalign); + +void *xmemdup(const void *orig, size_t size) +{ + void *buf = xmalloc(size); + + memcpy(buf, orig, size); + + return buf; +} +EXPORT_SYMBOL(xmemdup); |