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Add strcasecmp() and strncasecmp()

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strncasecmp() is present as strnicmp() but disabled. Make it available
and define strcasecmp() also. There is a only a small performance penalty
to having strcasecmp() call strncasecmp(), so do this instead of a
standalone function, to save code space.

Update the prototype in arch-specific headers as needed to avoid warnings.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2012-12-05 14:46:35 +00:00 • committed by Tom Rini
parent ec7381fbf6
commit b1f17bf5ff
5 changed files with 20 additions and 9 deletions
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7
include/linux/string.h
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@ -38,8 +38,11 @@ extern int strcmp(const char *,const char *);
#ifndef __HAVE_ARCH_STRNCMP
extern int strncmp(const char *,const char *,__kernel_size_t);
#endif
#if 0 /* not used - was: #ifndef __HAVE_ARCH_STRNICMP */
extern int strnicmp(const char *, const char *, __kernel_size_t);
#ifndef __HAVE_ARCH_STRCASECMP
int strcasecmp(const char *s1, const char *s2);
#endif
#ifndef __HAVE_ARCH_STRNCASECMP
extern int strncasecmp(const char *s1, const char *s2, __kernel_size_t len);
#endif
#ifndef __HAVE_ARCH_STRCHR
extern char * strchr(const char *,int);