wildcardmatch(): use fnmatch() if available

ChangeLog

@@ -4,6 +4,7 @@
 
 2015-03-11  Uwe Schulzweida
 
+	* wildcardmatch(): use fnmatch() if available
 	* eofspatial: removed scaling with grid cell area weights (bug fix)
 	* eoftime: removed scaling with grid cell area weights (bug fix)
 

configure

@@ -17407,6 +17407,18 @@ fi
 done
+for ac_header in fnmatch.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "fnmatch.h" "ac_cv_header_fnmatch_h" "$ac_includes_default"
+if test "x$ac_cv_header_fnmatch_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_FNMATCH_H 1
+_ACEOF
+
+fi
+
+done
+
 for ac_header in wordexp.h
 do :
   ac_fn_c_check_header_mongrel "$LINENO" "wordexp.h" "ac_cv_header_wordexp_h" "$ac_includes_default"

configure.ac

@@ -64,6 +64,7 @@ AC_CHECK_HEADERS(sys/resource.h)
 AC_CHECK_HEADERS(sys/times.h)
 AC_CHECK_HEADERS(malloc.h)
 AC_CHECK_HEADERS(glob.h)
+AC_CHECK_HEADERS(fnmatch.h)
 AC_CHECK_HEADERS(wordexp.h)
 #  ----------------------------------------------------------------------
 # Checks for the availability of functions

src/config.h.in

@@ -25,6 +25,9 @@
 /* Define to 1 if you have the <fftw3.h> header file. */
 #undef HAVE_FFTW3_H
 
+/* Define to 1 if you have the <fnmatch.h> header file. */
+#undef HAVE_FNMATCH_H
+
 /* Define to 1 if you have the `gethostname' function. */
 #undef HAVE_GETHOSTNAME
 

src/util.c

@@ -19,10 +19,19 @@
 #define _XOPEN_SOURCE 600 /* ftello */
 #endif
 
+#if defined(HAVE_CONFIG_H)
+#  include "config.h"
+#endif
+
 #if defined(_OPENMP)
 #  include <omp.h>
 #endif
 
+#if defined(HAVE_FNMATCH_H)
+#include <fnmatch.h>
+#endif
+
+
 #include <stdio.h>
 #include <string.h>
 #include <ctype.h>   /* tolower */
@@ -103,6 +112,12 @@ char *cdoExpName         = NULL;
 int timer_read, timer_write;
 
 
+#if defined(HAVE_FNMATCH_H)
+int wildcardmatch(const char *pattern, const char *string)
+{
+  return !fnmatch(pattern, string, 0);
+}
+#else
 // The wildcardmatch function checks if two given strings match. 
 // The first string may contain wildcard characters
 // * --> Matches with 0 or more instances of any character or set of characters.
@@ -127,7 +142,7 @@ int wildcardmatch(const char *w, const char *s)
 
     return 0;
 }
-
+#endif
 
 int cdo_omp_get_thread_num(void)
 {