wip: tests: show more debug information

Makefile

@@ -1,5 +1,5 @@
 NAME = minishell
-DEBUG = -g
+DEBUG = -g -O0
 # -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
@@ -19,6 +19,7 @@ ifeq ($(CFLAGS),)
 endif
 export CFLAGS
 srcs = \
+	src/print_backtrace.c \
 	src/buffer/buffer.c \
 	src/env/env.c \
 	src/env/env_convert.c \

libft/libft.h

@@ -6,7 +6,7 @@
 /*   By: jguelen <marvin@42.fr>                     +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/10/17 16:06:09 by jguelen           #+#    #+#             */
-/*   Updated: 2025/02/20 14:59:22 by khais            ###   ########.fr       */
+/*   Updated: 2025/03/03 13:02:45 by khais            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -173,4 +173,42 @@ t_list	*ft_lstmap(t_list *lst, void *(*f)(void *), void (*del)(void *));
 /*frees two pointers and returns NULL*/
 void	*free2(void *p1, void *p2);
 
+# include <stdio.h>
+
+# include "../src/print_backtrace.h"
+
+# define malloc(size) \
+({ \
+	void * ret = malloc(size); \
+	if (!ret) \
+		fprintf(stderr, "malloc fail at %s:%d failed\n", \
+			__FILE__, __LINE__); \
+	else \
+		fprintf(stderr, "malloc at(%p) at %s:%d\n", \
+		ret, __FILE__, __LINE__); \
+	print_backtrace(); \
+	ret; \
+})
+
+# define ft_calloc(elmt_nbr, elmt_size) \
+({ \
+	void * ret = ft_calloc(elmt_nbr, elmt_size); \
+	if (!ret) \
+		fprintf(stderr, "malloc fail at %s:%d failed\n", \
+			__FILE__, __LINE__); \
+	else \
+		fprintf(stderr, "ft_calloc at(%p) at %s:%d\n", \
+		ret, __FILE__, __LINE__); \
+	print_backtrace(); \
+	ret; \
+})
+
+# define free(ptr) \
+({ \
+	fprintf(stderr, "free(%p) at %s:%d\n", \
+			ptr, __FILE__, __LINE__); \
+	print_backtrace(); \
+	free(ptr); \
+})
+
 #endif

src/parser/worddesc/worddesc.c

@@ -6,7 +6,7 @@
 /*   By: khais <marvin@42.fr>                       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/02/13 17:20:36 by khais             #+#    #+#             */
-/*   Updated: 2025/03/06 16:52:44 by khais            ###   ########.fr       */
+/*   Updated: 2025/03/09 12:35:25 by khais            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -45,6 +45,7 @@ t_worddesc	*worddesc_create(char *word, char flags, char *marker)
 */
 void	worddesc_destroy(t_worddesc *worddesc)
 {
+	ft_dprintf(STDERR_FILENO, "WORDDESC_destroy: %p\n", worddesc);
 	if (worddesc == NULL)
 		return ;
 	free(worddesc->word);

src/parser/wordlist/wordlist.c

@@ -6,12 +6,14 @@
 /*   By: khais <marvin@42.fr>                       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/02/13 17:07:01 by khais             #+#    #+#             */
-/*   Updated: 2025/02/24 18:20:18 by khais            ###   ########.fr       */
+/*   Updated: 2025/02/26 16:57:59 by khais            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "wordlist.h"
+#include "ft_printf.h"
 #include "libft.h"
+#include "unistd.h"
 #include <stdlib.h>
 
 /*
@@ -41,6 +43,7 @@ void	wordlist_destroy(t_wordlist *wordlist)
 
 	while (wordlist != NULL)
 	{
+		ft_dprintf(STDERR_FILENO, "wordlist_destroy: %p\n", wordlist);
 		worddesc_destroy(wordlist->word);
 		prev = wordlist;
 		wordlist = wordlist->next;
@@ -108,5 +111,6 @@ t_worddesc	*wordlist_pop(t_wordlist **wordlist)
 	(*wordlist) = first->next;
 	word = first->word;
 	free(first);
+	ft_dprintf(STDERR_FILENO, "freed a wordlist in wordlist_pop: %p\n", first);
 	return (word);
 }

src/print_backtrace.c

@@ -0,0 +1,32 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   print_backtrace.c                                  :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: khais <marvin@42.fr>                       +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/03/03 11:56:35 by khais             #+#    #+#             */
+/*   Updated: 2025/03/03 13:02:28 by khais            ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+#define _GNU_SOURCE // Important for dladdr
+#include <stdio.h>
+#include <stdlib.h>
+#include <execinfo.h>
+#include <dlfcn.h>
+#include <string.h>
+
+void print_backtrace() {
+  void* buffer[100];
+  int num_addresses = backtrace(buffer, 100);
+  Dl_info info;
+
+  printf("Backtrace:\n");
+  for (int i = 0; i < num_addresses; i++) {
+    if (dladdr(buffer[i], &info)) {
+      printf("\t%s (%s:%p)\n", info.dli_sname, info.dli_fname, buffer[i]);
+    } else {
+      printf("0x%p\n", buffer[i]);
+    }
+  }
+}

src/print_backtrace.h

@@ -0,0 +1,18 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   print_backtrace.h                                  :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: khais <marvin@42.fr>                       +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/03/03 11:56:54 by khais             #+#    #+#             */
+/*   Updated: 2025/03/03 12:15:50 by khais            ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef BACKTRACE_H
+#define BACKTRACE_H
+
+void print_backtrace();
+
+#endif // BACKTRACE_H

tests/Makefile

@@ -39,7 +39,7 @@ run: $(run_tests)
 	$(CC) -MM $(CFLAGS) $(IFLAGS) $*.c > $*.d
 
 test_%: %.o $(objs)
-	$(CC) $(CFLAGS) -o $@ $*.o $(objs) $(LINCLUDE) $(LDLIBS)
+	$(CC) $(CFLAGS) -rdynamic -o $@ $*.o $(objs) $(LINCLUDE) $(LDLIBS)
 
 run_test_%: test_%
 	@echo