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authorHeiko Carstens <heiko.carstens@de.ibm.com>2017-10-04 19:27:09 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2017-10-09 11:18:08 +0200
commit49913f1fd0e5ff5a484214501e84d1c73e739285 (patch)
tree2399e4e6c8b35e73577787b458fac91406ce2cca /arch
parents390: optimize memset implementation (diff)
downloadlinux-49913f1fd0e5ff5a484214501e84d1c73e739285.tar.xz
linux-49913f1fd0e5ff5a484214501e84d1c73e739285.zip
s390: cleanup string ops prototypes
Just some trivial changes like removing the extern keyword from the header file, renaming arguments to match the man pages, and whitespace removal. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/s390/include/asm/string.h22
-rw-r--r--arch/s390/lib/string.c28
2 files changed, 25 insertions, 25 deletions
diff --git a/arch/s390/include/asm/string.h b/arch/s390/include/asm/string.h
index aa9c3a0f59ff..478767b262f3 100644
--- a/arch/s390/include/asm/string.h
+++ b/arch/s390/include/asm/string.h
@@ -33,17 +33,17 @@
#define __HAVE_ARCH_STRSTR /* arch function */
/* Prototypes for non-inlined arch strings functions. */
-extern int memcmp(const void *, const void *, size_t);
-extern void *memcpy(void *, const void *, size_t);
-extern void *memset(void *, int, size_t);
-extern void *memmove(void *, const void *, size_t);
-extern int strcmp(const char *,const char *);
-extern size_t strlcat(char *, const char *, size_t);
-extern size_t strlcpy(char *, const char *, size_t);
-extern char *strncat(char *, const char *, size_t);
-extern char *strncpy(char *, const char *, size_t);
-extern char *strrchr(const char *, int);
-extern char *strstr(const char *, const char *);
+int memcmp(const void *s1, const void *s2, size_t n);
+void *memcpy(void *dest, const void *src, size_t n);
+void *memset(void *s, int c, size_t n);
+void *memmove(void *dest, const void *src, size_t n);
+int strcmp(const char *s1, const char *s2);
+size_t strlcat(char *dest, const char *src, size_t n);
+size_t strlcpy(char *dest, const char *src, size_t size);
+char *strncat(char *dest, const char *src, size_t n);
+char *strncpy(char *dest, const char *src, size_t n);
+char *strrchr(const char *s, int c);
+char *strstr(const char *s1, const char *s2);
#undef __HAVE_ARCH_STRCHR
#undef __HAVE_ARCH_STRNCHR
diff --git a/arch/s390/lib/string.c b/arch/s390/lib/string.c
index 4ee27339c792..4ff588e3928d 100644
--- a/arch/s390/lib/string.c
+++ b/arch/s390/lib/string.c
@@ -55,7 +55,7 @@ EXPORT_SYMBOL(strlen);
*
* returns the minimum of the length of @s and @n
*/
-size_t strnlen(const char * s, size_t n)
+size_t strnlen(const char *s, size_t n)
{
return __strnend(s, n) - s;
}
@@ -194,14 +194,14 @@ EXPORT_SYMBOL(strncat);
/**
* strcmp - Compare two strings
- * @cs: One string
- * @ct: Another string
+ * @s1: One string
+ * @s2: Another string
*
- * returns 0 if @cs and @ct are equal,
- * < 0 if @cs is less than @ct
- * > 0 if @cs is greater than @ct
+ * returns 0 if @s1 and @s2 are equal,
+ * < 0 if @s1 is less than @s2
+ * > 0 if @s1 is greater than @s2
*/
-int strcmp(const char *cs, const char *ct)
+int strcmp(const char *s1, const char *s2)
{
register int r0 asm("0") = 0;
int ret = 0;
@@ -213,7 +213,7 @@ int strcmp(const char *cs, const char *ct)
" ic %1,0(%3)\n"
" sr %0,%1\n"
"1:"
- : "+d" (ret), "+d" (r0), "+a" (cs), "+a" (ct)
+ : "+d" (ret), "+d" (r0), "+a" (s1), "+a" (s2)
: : "cc", "memory");
return ret;
}
@@ -224,7 +224,7 @@ EXPORT_SYMBOL(strcmp);
* @s: The string to be searched
* @c: The character to search for
*/
-char * strrchr(const char * s, int c)
+char *strrchr(const char *s, int c)
{
size_t len = __strend(s) - s;
@@ -260,7 +260,7 @@ static inline int clcle(const char *s1, unsigned long l1,
* @s1: The string to be searched
* @s2: The string to search for
*/
-char * strstr(const char * s1,const char * s2)
+char *strstr(const char *s1, const char *s2)
{
int l1, l2;
@@ -306,15 +306,15 @@ EXPORT_SYMBOL(memchr);
/**
* memcmp - Compare two areas of memory
- * @cs: One area of memory
- * @ct: Another area of memory
+ * @s1: One area of memory
+ * @s2: Another area of memory
* @count: The size of the area.
*/
-int memcmp(const void *cs, const void *ct, size_t n)
+int memcmp(const void *s1, const void *s2, size_t n)
{
int ret;
- ret = clcle(cs, n, ct, n);
+ ret = clcle(s1, n, s2, n);
if (ret)
ret = ret == 1 ? -1 : 1;
return ret;