Commit 76df6980 authored by Rob Herring's avatar Rob Herring

ARM: boot: Add an implementation of strnlen for libfdt

Recent versions of libfdt add a dependency on strnlen. Copy the
implementation in lib/string.c here, so we can update libfdt.
Acked-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: default avatarRob Herring <robh@kernel.org>
parent 60c7f4cb
...@@ -65,6 +65,15 @@ size_t strlen(const char *s) ...@@ -65,6 +65,15 @@ size_t strlen(const char *s)
return sc - s; return sc - s;
} }
size_t strnlen(const char *s, size_t count)
{
const char *sc;
for (sc = s; count-- && *sc != '\0'; ++sc)
/* nothing */;
return sc - s;
}
int memcmp(const void *cs, const void *ct, size_t count) int memcmp(const void *cs, const void *ct, size_t count)
{ {
const unsigned char *su1 = cs, *su2 = ct, *end = su1 + count; const unsigned char *su1 = cs, *su2 = ct, *end = su1 + count;
......
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