[PATCH 3.16 194/370] x86/boot: Add missing declaration of string functions

From: Ben Hutchings
Date: Fri Mar 10 2017 - 07:23:43 EST

3.16.42-rc1 review patch. If anyone has any objections, please let me know.


From: Nicholas Mc Guire <hofrat@xxxxxxxxx>

commit fac69d0efad08fc15e4dbfc116830782acc0dc9a upstream.

Add the missing declarations of basic string functions to string.h to allow
a clean build.

Fixes: 5be865661516 ("String-handling functions for the new x86 setup code.")
Signed-off-by: Nicholas Mc Guire <hofrat@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1483781911-21399-1-git-send-email-hofrat@xxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
arch/x86/boot/string.c | 1 +
arch/x86/boot/string.h | 9 +++++++++
2 files changed, 10 insertions(+)

--- a/arch/x86/boot/string.c
+++ b/arch/x86/boot/string.c
@@ -14,6 +14,7 @@

#include <linux/types.h>
#include "ctype.h"
+#include "string.h"

int memcmp(const void *s1, const void *s2, size_t len)
--- a/arch/x86/boot/string.h
+++ b/arch/x86/boot/string.h
@@ -18,4 +18,13 @@ int memcmp(const void *s1, const void *s
#define memset(d,c,l) __builtin_memset(d,c,l)
#define memcmp __builtin_memcmp

+extern int strcmp(const char *str1, const char *str2);
+extern int strncmp(const char *cs, const char *ct, size_t count);
+extern size_t strlen(const char *s);
+extern char *strstr(const char *s1, const char *s2);
+extern size_t strnlen(const char *s, size_t maxlen);
+extern unsigned int atou(const char *s);
+extern unsigned long long simple_strtoull(const char *cp, char **endp,
+ unsigned int base);
#endif /* BOOT_STRING_H */