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authorHeinrich Schuchardt <heinrich.schuchardt@canonical.com>2025-02-03 10:12:00 +0100
committerTom Rini <trini@konsulko.com>2025-02-12 12:37:12 -0600
commit7c7361b98d6eadcbcde556763b6d40a686f4bd3d (patch)
tree6285735f77c2e1a5ee51b0b60efb868070cb5a33 /include/linux/string.h
parent10917df17f247d3b0a7f5ca992b97bd2728ef09e (diff)
lib: implement strnstr()
Implement library function strnstr(). Implement strstr() using strnstr(). Sort the includes. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> [jf: replace <stdint.h> by <limits.h>, folded from next patch] Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Diffstat (limited to 'include/linux/string.h')
-rw-r--r--include/linux/string.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/string.h b/include/linux/string.h
index 27b2beb9ddb..d943fcce690 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -72,6 +72,9 @@ extern char * strrchr(const char *,int);
#ifndef __HAVE_ARCH_STRSTR
extern char * strstr(const char *,const char *);
#endif
+#ifndef __HAVE_ARCH_STRNSTR
+extern char *strnstr(const char *, const char *, size_t);
+#endif
#ifndef __HAVE_ARCH_STRLEN
extern __kernel_size_t strlen(const char *);
#endif