shithub: libtags

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readtags: add a block used for fuzzing

--- a/examples/readtags.c

+++ b/examples/readtags.c

@@ -62,7 +62,6 @@

 int

 main(int argc, char **argv)

 {

-	int i;

 	char buf[256];

 	Aux aux;

 	Tagctx ctx = {

@@ -77,9 +76,19 @@

 	if(argc < 2){

 		printf("usage: readtags FILE...\n");

-		return -1;

+		return 1;

 	}

+#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION

+	// this block is for fuzzing only, ignore

+	while(__AFL_LOOP(10000)){

+		if((aux.fd = open(argv[1], O_RDONLY)) >= 0){

+			tagsget(&ctx);

+			close(aux.fd);

+		}

+	}

+#else

+	int i;

 	for(i = 1; i < argc; i++){

 		printf("*** %s\n", argv[i]);

 		if((aux.fd = open(argv[i], O_RDONLY)) < 0)

@@ -101,5 +110,6 @@

 		}

 		printf("\n");

 	}

+#endif

 	return 0;

 }