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-rw-r--r--catgets/gencat.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/catgets/gencat.c b/catgets/gencat.c
index 175f1ffd09..18bf3bbb7f 100644
--- a/catgets/gencat.c
+++ b/catgets/gencat.c
@@ -333,7 +333,7 @@ read_input_file (struct catalog *current, const char *fname)
 	      /* There might be more than one backslash at the end of
 		 the line.  Only if there is an odd number of them is
 		 the line continued.  */
-	      if (buf[act_len - 1] == '\\')
+	      if (act_len > 0 && buf[act_len - 1] == '\\')
 		{
 		  int temp_act_len = act_len;