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Use system function strverscmp() if exists.

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Signed-off-by: Slava Zanko <slavazanko@gmail.com>
This commit is contained in:
Slava Zanko 2010-02-19 10:40:24 +02:00
parent e723926cd0
commit 47cdfd6baf
2 changed files with 10 additions and 0 deletions
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1
configure.ac
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@ -166,6 +166,7 @@ AC_CHECK_FUNCS([\
memcpy memset \ memcpy memset \
setreuid statfs sysconf \ setreuid statfs sysconf \
tcgetattr tcsetattr truncate \ tcgetattr tcsetattr truncate \
strverscmp
]) ])
dnl dnl

9
lib/strutil/strverscmp.c
View File

@ -19,6 +19,10 @@
02111-1307 USA. */ 02111-1307 USA. */
#include <ctype.h> #include <ctype.h>
#ifdef HAVE_STRVERSCMP
#include <string.h>
#endif /* HAVE_STRVERSCMP */
#include "lib/strutil.h" #include "lib/strutil.h"
/* states: S_N: normal, S_I: comparing integral part, S_F: comparing /* states: S_N: normal, S_I: comparing integral part, S_F: comparing
@ -40,6 +44,9 @@
int str_verscmp (const char *s1, const char *s2) int str_verscmp (const char *s1, const char *s2)
{ {
#ifdef HAVE_STRVERSCMP
return strverscmp(s1, s2);
#else /* HAVE_STRVERSCMP */
unsigned char *p1 = (unsigned char *) s1; unsigned char *p1 = (unsigned char *) s1;
unsigned char *p2 = (unsigned char *) s2; unsigned char *p2 = (unsigned char *) s2;
unsigned char c1, c2; unsigned char c1, c2;
@ -105,4 +112,6 @@ int str_verscmp (const char *s1, const char *s2)
default: default:
return state; return state;
} }
#endif /* HAVE_STRVERSCMP */
} }