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ARM: boot: add strrchr function

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libfdt gained a new dependency on strrchr, so copy the implementation
from lib/string.c.

Cc: Russell King <linux@armlinux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Rob Herring 2018-03-01 09:18:22 -06:00
parent f26e93812a
commit 60c03a0448
1 changed files with 10 additions and 0 deletions
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10
arch/arm/boot/compressed/string.c
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@ -121,6 +121,16 @@ char *strchr(const char *s, int c)
return (char *)s;
}
char *strrchr(const char *s, int c)
{
const char *last = NULL;
do {
if (*s == (char)c)
last = s;
} while (*s++);
return (char *)last;
}
#undef memset
void *memset(void *s, int c, size_t count)