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Date: Sat, 28 Sep 2013 09:23:20 -0700 From: Roy Franz <roy.franz@...aro.org> To: linux-kernel@...r.kernel.org, linux-efi@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, matt.fleming@...el.com, linux@....linux.org.uk Cc: leif.lindholm@...aro.org, grant.likely@...aro.org, dave.martin@....com, msalter@...hat.com, Roy Franz <roy.franz@...aro.org> Subject: [PATCH 3/6] Add strstr to compressed string.c for ARM. The shared efi-stub-helper.c functions require a strstr implementation. Implementation copied from arch/x86/boot/string.c Signed-off-by: Roy Franz <roy.franz@...aro.org> Reviewed-by: Grant Likely <grant.likely@...aro.org> --- arch/arm/boot/compressed/string.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm/boot/compressed/string.c b/arch/arm/boot/compressed/string.c index 36e53ef..5397792 100644 --- a/arch/arm/boot/compressed/string.c +++ b/arch/arm/boot/compressed/string.c @@ -111,6 +111,27 @@ char *strchr(const char *s, int c) return (char *)s; } +/** + * strstr - Find the first substring in a %NUL terminated string + * @s1: The string to be searched + * @s2: The string to search for + */ +char *strstr(const char *s1, const char *s2) +{ + size_t l1, l2; + + l2 = strlen(s2); + if (!l2) + return (char *)s1; + l1 = strlen(s1); + while (l1 >= l2) { + l1--; + if (!memcmp(s1, s2, l2)) + return (char *)s1; + s1++; + } + return NULL; +} #undef memset void *memset(void *s, int c, size_t count) -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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