diff options
Diffstat (limited to 'arch/s390/lib/string.c')
| -rw-r--r-- | arch/s390/lib/string.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/s390/lib/string.c b/arch/s390/lib/string.c index a10e11f7a5f7..0e30e6e43b0c 100644 --- a/arch/s390/lib/string.c +++ b/arch/s390/lib/string.c @@ -43,11 +43,13 @@ static inline char *__strnend(const char *s, size_t n) * * returns the length of @s */ +#ifdef __HAVE_ARCH_STRLEN size_t strlen(const char *s) { return __strend(s) - s; } EXPORT_SYMBOL(strlen); +#endif /** * strnlen - Find the length of a length-limited string @@ -56,11 +58,13 @@ EXPORT_SYMBOL(strlen); * * returns the minimum of the length of @s and @n */ +#ifdef __HAVE_ARCH_STRNLEN size_t strnlen(const char *s, size_t n) { return __strnend(s, n) - s; } EXPORT_SYMBOL(strnlen); +#endif /** * strcpy - Copy a %NUL terminated string @@ -69,6 +73,7 @@ EXPORT_SYMBOL(strnlen); * * returns a pointer to @dest */ +#ifdef __HAVE_ARCH_STRCPY char *strcpy(char *dest, const char *src) { register int r0 asm("0") = 0; @@ -81,6 +86,7 @@ char *strcpy(char *dest, const char *src) return ret; } EXPORT_SYMBOL(strcpy); +#endif /** * strlcpy - Copy a %NUL terminated string into a sized buffer @@ -93,6 +99,7 @@ EXPORT_SYMBOL(strcpy); * of course, the buffer size is zero). It does not pad * out the result like strncpy() does. */ +#ifdef __HAVE_ARCH_STRLCPY size_t strlcpy(char *dest, const char *src, size_t size) { size_t ret = __strend(src) - src; @@ -105,6 +112,7 @@ size_t strlcpy(char *dest, const char *src, size_t size) return ret; } EXPORT_SYMBOL(strlcpy); +#endif /** * strncpy - Copy a length-limited, %NUL-terminated string @@ -115,6 +123,7 @@ EXPORT_SYMBOL(strlcpy); * The result is not %NUL-terminated if the source exceeds * @n bytes. */ +#ifdef __HAVE_ARCH_STRNCPY char *strncpy(char *dest, const char *src, size_t n) { size_t len = __strnend(src, n) - src; @@ -123,6 +132,7 @@ char *strncpy(char *dest, const char *src, size_t n) return dest; } EXPORT_SYMBOL(strncpy); +#endif /** * strcat - Append one %NUL-terminated string to another @@ -131,6 +141,7 @@ EXPORT_SYMBOL(strncpy); * * returns a pointer to @dest */ +#ifdef __HAVE_ARCH_STRCAT char *strcat(char *dest, const char *src) { register int r0 asm("0") = 0; @@ -146,6 +157,7 @@ char *strcat(char *dest, const char *src) return ret; } EXPORT_SYMBOL(strcat); +#endif /** * strlcat - Append a length-limited, %NUL-terminated string to another @@ -153,6 +165,7 @@ EXPORT_SYMBOL(strcat); * @src: The string to append to it * @n: The size of the destination buffer. */ +#ifdef __HAVE_ARCH_STRLCAT size_t strlcat(char *dest, const char *src, size_t n) { size_t dsize = __strend(dest) - dest; @@ -170,6 +183,7 @@ size_t strlcat(char *dest, const char *src, size_t n) return res; } EXPORT_SYMBOL(strlcat); +#endif /** * strncat - Append a length-limited, %NUL-terminated string to another @@ -182,6 +196,7 @@ EXPORT_SYMBOL(strlcat); * Note that in contrast to strncpy, strncat ensures the result is * terminated. */ +#ifdef __HAVE_ARCH_STRNCAT char *strncat(char *dest, const char *src, size_t n) { size_t len = __strnend(src, n) - src; @@ -192,6 +207,7 @@ char *strncat(char *dest, const char *src, size_t n) return dest; } EXPORT_SYMBOL(strncat); +#endif /** * strcmp - Compare two strings @@ -202,6 +218,7 @@ EXPORT_SYMBOL(strncat); * < 0 if @s1 is less than @s2 * > 0 if @s1 is greater than @s2 */ +#ifdef __HAVE_ARCH_STRCMP int strcmp(const char *s1, const char *s2) { register int r0 asm("0") = 0; @@ -219,12 +236,14 @@ int strcmp(const char *s1, const char *s2) return ret; } EXPORT_SYMBOL(strcmp); +#endif /** * strrchr - Find the last occurrence of a character in a string * @s: The string to be searched * @c: The character to search for */ +#ifdef __HAVE_ARCH_STRRCHR char *strrchr(const char *s, int c) { size_t len = __strend(s) - s; @@ -237,6 +256,7 @@ char *strrchr(const char *s, int c) return NULL; } EXPORT_SYMBOL(strrchr); +#endif static inline int clcle(const char *s1, unsigned long l1, const char *s2, unsigned long l2) @@ -261,6 +281,7 @@ static inline int clcle(const char *s1, unsigned long l1, * @s1: The string to be searched * @s2: The string to search for */ +#ifdef __HAVE_ARCH_STRSTR char *strstr(const char *s1, const char *s2) { int l1, l2; @@ -280,6 +301,7 @@ char *strstr(const char *s1, const char *s2) return NULL; } EXPORT_SYMBOL(strstr); +#endif /** * memchr - Find a character in an area of memory. @@ -290,6 +312,7 @@ EXPORT_SYMBOL(strstr); * returns the address of the first occurrence of @c, or %NULL * if @c is not found */ +#ifdef __HAVE_ARCH_MEMCHR void *memchr(const void *s, int c, size_t n) { register int r0 asm("0") = (char) c; @@ -304,6 +327,7 @@ void *memchr(const void *s, int c, size_t n) return (void *) ret; } EXPORT_SYMBOL(memchr); +#endif /** * memcmp - Compare two areas of memory @@ -311,6 +335,7 @@ EXPORT_SYMBOL(memchr); * @s2: Another area of memory * @count: The size of the area. */ +#ifdef __HAVE_ARCH_MEMCMP int memcmp(const void *s1, const void *s2, size_t n) { int ret; @@ -321,6 +346,7 @@ int memcmp(const void *s1, const void *s2, size_t n) return ret; } EXPORT_SYMBOL(memcmp); +#endif /** * memscan - Find a character in an area of memory. @@ -331,6 +357,7 @@ EXPORT_SYMBOL(memcmp); * returns the address of the first occurrence of @c, or 1 byte past * the area if @c is not found */ +#ifdef __HAVE_ARCH_MEMSCAN void *memscan(void *s, int c, size_t n) { register int r0 asm("0") = (char) c; @@ -342,3 +369,4 @@ void *memscan(void *s, int c, size_t n) return (void *) ret; } EXPORT_SYMBOL(memscan); +#endif |