cleanup - declare qsort comparison routines as such

git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@1980 9d0c8265-081b-0410-96cb-a4ca84ce46f8

1 files changed, 15 insertions, 1 deletions

diff --git a/analyzer/ppmhist.c b/analyzer/ppmhist.c
index 78e6d82a..321e4b3a 100644
--- a/analyzer/ppmhist.c
+++ b/analyzer/ppmhist.c
@@ -100,15 +100,29 @@ parseCommandLine(int argc, const char ** argv,
 
 
 
+#ifndef LITERAL_FN_DEF_MATCH
+static qsort_comparison_fn cmpfn;
+#endif
+
 static int
 countcompare(const void *ch1, const void *ch2) {
+/*----------------------------------------------------------------------------
+   This is a 'qsort' collation function.
+-----------------------------------------------------------------------------*/
     return ((colorhist_vector)ch2)->value - ((colorhist_vector)ch1)->value;
 }
 
 
+
+#ifndef LITERAL_FN_DEF_MATCH
+static qsort_comparison_fn cmpfn;
+#endif
+
 static int
 rgbcompare(const void * arg1, const void * arg2) {
-
+/*----------------------------------------------------------------------------
+   This is a 'qsort' collation function.
+-----------------------------------------------------------------------------*/
     colorhist_vector const ch1 = (colorhist_vector) arg1;
     colorhist_vector const ch2 = (colorhist_vector) arg2;