From: erg <devnull@localhost>
Date: Thu, 30 Sep 2010 14:50:55 +0000 (+0000)
Subject: Report failure to read input
X-Git-Tag: LAST_LIBGRAPH~32^2~1181
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e63bd43f28e053f25c7a4b0517fd46a2da182a38;p=graphviz

Report failure to read input
---

diff --git a/cmd/tools/mm2gv.c b/cmd/tools/mm2gv.c
index 997dc1191..4ed0eb1c9 100644
--- a/cmd/tools/mm2gv.c
+++ b/cmd/tools/mm2gv.c
@@ -494,6 +494,7 @@ int main(int argc, char *argv[])
 
     A = SparseMatrix_import_matrix_market(pv.inf, FORMAT_CSR);
     if (!A) {
+	fprintf (stderr, "Unable to read input file \"%s\"\n", pv.infile); 
 	usage(1);
     }