input/csv: Match format on .csv extension in filename.

[libsigrok.git] / src / input / csv.c

diff --git a/src/input/csv.c b/src/input/csv.c
index 6dd06f4877ccbc4e4f592c4bdca4e807a77a858e..1218cd640fa263d1f0cf9db645fb35c36aa51213 100644 (file)
--- a/src/input/csv.c
+++ b/src/input/csv.c
@@ -134,6 +134,10 @@ struct context {
 
 static int format_match(const char *filename)
 {
+       /* Require .csv extension. */
+       if (strcmp(filename + strlen(filename) - 4, ".csv"))
+               return FALSE;
+
        if (!filename) {
                sr_err("%s: filename was NULL.", __func__);
                return FALSE;