diff options
Diffstat (limited to 'lib/string.c')
| -rw-r--r-- | lib/string.c | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/lib/string.c b/lib/string.c index a485d75962af..5efafed3d6b6 100644 --- a/lib/string.c +++ b/lib/string.c @@ -60,6 +60,34 @@ int strnicmp(const char *s1, const char *s2, size_t len) EXPORT_SYMBOL(strnicmp); #endif +#ifndef __HAVE_ARCH_STRCASECMP +int strcasecmp(const char *s1, const char *s2) +{ + int c1, c2; + + do { + c1 = tolower(*s1++); + c2 = tolower(*s2++); + } while (c1 == c2 && c1 != 0); + return c1 - c2; +} +EXPORT_SYMBOL(strcasecmp); +#endif + +#ifndef __HAVE_ARCH_STRNCASECMP +int strncasecmp(const char *s1, const char *s2, size_t n) +{ + int c1, c2; + + do { + c1 = tolower(*s1++); + c2 = tolower(*s2++); + } while ((--n > 0) && c1 == c2 && c1 != 0); + return c1 - c2; +} +EXPORT_SYMBOL(strncasecmp); +#endif + #ifndef __HAVE_ARCH_STRCPY /** * strcpy - Copy a %NUL terminated string @@ -160,7 +188,7 @@ EXPORT_SYMBOL(strcat); * @src: The string to append to it * @count: The maximum numbers of bytes to copy * - * Note that in contrast to strncpy, strncat ensures the result is + * Note that in contrast to strncpy(), strncat() ensures the result is * terminated. */ char *strncat(char *dest, const char *src, size_t count) @@ -366,8 +394,7 @@ EXPORT_SYMBOL(strnlen); #ifndef __HAVE_ARCH_STRSPN /** - * strspn - Calculate the length of the initial substring of @s which only - * contain letters in @accept + * strspn - Calculate the length of the initial substring of @s which only contain letters in @accept * @s: The string to be searched * @accept: The string to search for */ @@ -394,8 +421,7 @@ EXPORT_SYMBOL(strspn); #ifndef __HAVE_ARCH_STRCSPN /** - * strcspn - Calculate the length of the initial substring of @s which does - * not contain letters in @reject + * strcspn - Calculate the length of the initial substring of @s which does not contain letters in @reject * @s: The string to be searched * @reject: The string to avoid */ |