From 3a88cbbad4e6facf35ddfae3571d29a4db51888f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kha=C3=AFs=20COLIN?= <khais.colin@gmail.com>
Date: Wed, 30 Apr 2025 17:30:16 +0200
Subject: [PATCH] fuzz: add hand tester

---
 .gitignore             |  1 +
 Makefile               |  6 +++++-
 src/fuzz_hand_tester.c | 48 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 54 insertions(+), 1 deletion(-)
 create mode 100644 src/fuzz_hand_tester.c

diff --git a/.gitignore b/.gitignore
index 7d914b0..f75ec7f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -36,5 +36,6 @@ compile_commands.json
 report.txt
 zms_testeur
 fuzz
+fuzz_hand_tester
 *CORPUS
 crash-*
diff --git a/Makefile b/Makefile
index 29e4b5d..d1562a5 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@ DEBUG = -g -O1
 # -fno-omit-frame-pointer is to prevent malloc stacktraces from being truncated,
 # see "My malloc stacktraces are too short" here:
 # https://github.com/google/sanitizers/wiki/AddressSanitizer
-ASAN = -fsanitize=address -fno-omit-frame-pointer
+ASAN = -fsanitize=address,undefined -fno-omit-frame-pointer
 TSAN = -fsanitize=thread
 UBSAN = -fsanitize=undefined
 LDLIBS = \
@@ -137,6 +137,10 @@ $(FUZZ): CFLAGS += -fsanitize=fuzzer,address,undefined
 $(FUZZ): $(fuzz_objs) $(LIBFT)
 	$(CC) $(CFLAGS) -o $@ $(fuzz_objs) $(LINCLUDE) $(LDLIBS)
 
+#fuzz_hand_tester: CFLAGS += $(ASAN)
+fuzz_hand_tester: $(objs) src/fuzz_hand_tester.o $(LIBFT)
+	$(CC) $(CFLAGS) -o $@ src/fuzz_hand_tester.o $(objs) $(LINCLUDE) $(LDLIBS)
+
 $(LIBFT): CFLAGS+=-DBUFFER_SIZE=1
 $(LIBFT):
 	+$(MAKE) -C $(LIBFTDIR)
diff --git a/src/fuzz_hand_tester.c b/src/fuzz_hand_tester.c
new file mode 100644
index 0000000..30f403d
--- /dev/null
+++ b/src/fuzz_hand_tester.c
@@ -0,0 +1,48 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   fuzz_hand_tester.c                                 :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: kcolin <kcolin@42.fr>                      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/04/30 17:30:53 by kcolin            #+#    #+#             */
+/*   Updated: 2025/04/30 17:36:33 by kcolin           ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "fcntl.h"
+#include "minishell.h"
+#include "parser/cmd/cmd_destroy.h"
+#include "parser/cmd_parsing.h"
+#include "unistd.h"
+#include <stdint.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+int main(int argc, char *argv[]) {
+	t_minishell app;
+	bzero(&app, sizeof(t_minishell));
+	int null = open("/dev/null", O_RDONLY, 0);
+
+	if (argc != 2)
+		return (1);
+	FILE *in = fopen(argv[1], "rb");
+	fseek(in, 0, SEEK_END);
+	long fsize = ftell(in);
+	fseek(in, 0, SEEK_SET);  /* same as rewind(f); */
+	char *line = malloc(fsize + 1);
+	fread(line, fsize, 1, in);
+	fclose(in);
+	line[fsize] = 0;
+
+
+	dup2(null, STDIN_FILENO);
+	close(null);
+	t_cmd *cmd = minishell_parse(&app, line);
+
+	cmd_destroy(cmd);
+	free(line);
+    return (0);
+}