Check input file size

Fixes #2
2019-01-13 21:03:37 +01:00 · 2019-01-13 21:03:37 +01:00 · ef52ad2d06
parent 689eb2f1ab
commit ef52ad2d06
1 changed files with 4 additions and 0 deletions
--- a/examples/tgunzip/tgunzip.c
+++ b/examples/tgunzip/tgunzip.c
@ -77,6 +77,10 @@ int main(int argc, char *argv[])

 	fseek(fin, 0, SEEK_SET);

+	if (len < 18) {
+		exit_error("input too small");
+	}
+
 	source = (unsigned char *) malloc(len);

 	if (source == NULL) {