tools lib string: Adopt prefixcmp() from perf and subcmd

Both had copies originating from git.git, move those to
tools/lib/string.c, getting both tools/lib/subcmd/ and tools/perf/ to
use it.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-uidwtticro1qhttzd2rkrkg1@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2017-04-26 15:49:21 -03:00
parent 3caeafce53
commit 96395cbbc7
7 changed files with 13 additions and 20 deletions

View File

@ -18,4 +18,6 @@ extern size_t strlcpy(char *dest, const char *src, size_t size);
char *str_error_r(int errnum, char *buf, size_t buflen);
int prefixcmp(const char *str, const char *prefix);
#endif /* _LINUX_STRING_H_ */

View File

@ -87,3 +87,12 @@ size_t __weak strlcpy(char *dest, const char *src, size_t size)
}
return ret;
}
int prefixcmp(const char *str, const char *prefix)
{
for (; ; str++, prefix++)
if (!*prefix)
return 0;
else if (*str != *prefix)
return (unsigned char)*prefix - (unsigned char)*str;
}

View File

@ -1,6 +1,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <linux/string.h>
#include <termios.h>
#include <sys/ioctl.h>
#include <sys/types.h>

View File

@ -1,4 +1,5 @@
#include <linux/compiler.h>
#include <linux/string.h>
#include <linux/types.h>
#include <stdio.h>
#include <stdlib.h>

View File

@ -79,13 +79,4 @@ static inline void astrcat(char **out, const char *add)
free(tmp);
}
static inline int prefixcmp(const char *str, const char *prefix)
{
for (; ; str++, prefix++)
if (!*prefix)
return 0;
else if (*str != *prefix)
return (unsigned char)*prefix - (unsigned char)*str;
}
#endif /* __SUBCMD_UTIL_H */

View File

@ -3,15 +3,6 @@
#include <linux/kernel.h>
#include <errno.h>
int prefixcmp(const char *str, const char *prefix)
{
for (; ; str++, prefix++)
if (!*prefix)
return 0;
else if (*str != *prefix)
return (unsigned char)*prefix - (unsigned char)*str;
}
/*
* Used as the default ->buf value, so that people can always assume
* buf is non NULL and ->buf is NUL terminated even for a freshly

View File

@ -30,8 +30,6 @@ void warning(const char *err, ...) __attribute__((format (printf, 1, 2)));
void set_warning_routine(void (*routine)(const char *err, va_list params));
int prefixcmp(const char *str, const char *prefix);
static inline void *zalloc(size_t size)
{
return calloc(1, size);