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Trying to trace the source of the segfault

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I will breakdown the parser for a slight moment then relink it.
This commit is contained in:
Mthandazo Ndhlovu 2019-04-22 16:00:16 +02:00
parent a8b2e31701
commit c35deace58
15 changed files with 93 additions and 209 deletions
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2
Makefile
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@ -6,7 +6,7 @@
# By: tmaze <tmaze@student.42.fr> +#+ +:+ +#+ #
# +#+#+#+#+#+ +#+ #
# Created: 2019/03/27 16:51:02 by tmaze #+# #+# #
# Updated: 2019/04/22 09:44:46 by tmaze ### ########.fr #
# Updated: 2019/04/22 12:10:47 by mndhlovu ### ########.fr #
# #
#******************************************************************************#

2
includes/lem_in.h
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@ -6,7 +6,7 @@
/* By: tmaze <tmaze@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/03/23 17:31:19 by tmaze #+# #+# */
/* Updated: 2019/04/22 10:01:33 by tmaze ### ########.fr */
/* Updated: 2019/04/22 12:48:54 by mndhlovu ### ########.fr */
/* */
/* ************************************************************************** */

4
libft/Makefile
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@ -6,12 +6,12 @@
# By: tmaze <tmaze@student.42.fr> +#+ +:+ +#+ #
# +#+#+#+#+#+ +#+ #
# Created: 2018/04/07 12:47:06 by tmaze #+# #+# #
# Updated: 2019/04/18 09:18:00 by tmaze ### ########.fr #
# Updated: 2019/04/22 12:11:07 by mndhlovu ### ########.fr #
# #
#******************************************************************************#
CC = gcc
CCFLAGS = -Wall -Werror -Wextra
CCFLAGS = -Wall -Werror -Wextra -g
CCSTD =
NAME = libft.a

28
libft/ft_strcmp.c Normal file
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@ -0,0 +1,28 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strcmp.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: tmaze <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2018/04/03 15:38:27 by tmaze #+# #+# */
/* Updated: 2019/04/22 10:46:05 by mndhlovu ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
int ft_strcmp(const char *s1, const char *s2)
{
int i;
int diff;
i = 1;
diff = (unsigned char)s1[0] - (unsigned char)s2[0];
while (diff == 0 && s1[i - 1] && s2[i - 1])
{
diff = (unsigned char)s1[i] - (unsigned char)s2[i];
i++;
}
return (diff);
}

24
libft/srcs/ft_strcmp.c
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@ -3,26 +3,22 @@
/* ::: :::::::: */
/* ft_strcmp.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: tmaze <marvin@42.fr> +#+ +:+ +#+ */
/* By: mndhlovu <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2018/04/03 15:38:27 by tmaze #+# #+# */
/* Updated: 2018/04/08 15:30:24 by tmaze ### ########.fr */
/* Created: 2018/11/07 17:33:42 by mndhlovu #+# #+# */
/* Updated: 2018/11/09 17:56:30 by mndhlovu ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
#include <string.h>
int ft_strcmp(const char *s1, const char *s2)
int ft_strcmp(const char *s1, const char *s2)
{
int i;
int diff;
size_t len;
i = 1;
diff = (unsigned char)s1[0] - (unsigned char)s2[0];
while (diff == 0 && s1[i - 1] && s2[i - 1])
{
diff = (unsigned char)s1[i] - (unsigned char)s2[i];
i++;
}
return (diff);
len = 0;
while (s1[len] && s2[len] && s1[len] == s2[len])
len++;
return ((unsigned char)s1[len] - (unsigned char)s2[len]);
}

165
srcs/edmunds_karp.c
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@ -1,165 +0,0 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* edmunds_karp.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: tmaze <tmaze@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/03/28 16:21:19 by tmaze #+# #+# */
/* Updated: 2019/04/14 14:03:45 by tmaze ### ########.fr */
/* */
/* ************************************************************************** */
#include "lem_in.h"
static void update_weights(t_lmdata *data, t_bfs *tab, int end_ind)
{
t_ind *it;
int i;
i = end_ind;
while (i != -1)
{
if (tab[i].parent != -1)
{
it = data->adj[tab[i].parent];
while (it && it->index != i)
it = it->next;
if (it && it->index == i)
it->weight--;
it = data->adj[i];
while (it && it->index != tab[i].parent)
it = it->next;
if (it && it->index == tab[i].parent)
it->weight++;
}
i = tab[i].parent;
}
}
static int get_score(t_lmdata *data, t_ind **ret)
{
int tot;
int score;
int nb_paths;
int i;
t_ind *it;
i = 0;
tot = 0;
score = 0;
while (ret && ret[i])
i++;
nb_paths = i;
ft_printf("nb_paths: %d\n", nb_paths);
i = 0;
while (ret && ret[i] && (it = ret[i]))
{
while (it && ++tot)
it = it->next;
tot = tot + (data->nbants / nb_paths) - 1;
if (score == 0 || tot > score)
score = tot;
i++;
}
return (score);
}
/* static int reset_weights(t_lmdata *data, int node) */
/* { */
/* t_ind *it; */
/* t_ind *it2; */
/* it = data->adj[node]; */
/* it2 = NULL; */
/* while (it && it->weight != 2) */
/* it = it->next; */
/* if (it && it->weight == 2) */
/* it->weight = 1; */
/* if (it && it->index) */
/* it2 = data->adj[it->index]; */
/* while (it2 && it2->index != node) */
/* it2 = it2->next; */
/* if (it2 && it2->index == node) */
/* it2->weight = 1; */
/* return ((it != NULL) ? it->index : -1); */
/* } */
static t_ind **clean_ret(t_ind **ret)
{
tablst_inddel(ret);
return (NULL);
}
static t_ind **resolve_path(t_lmdata *data, int s_ind, int e_ind, t_bfs *tab)
{
t_ind **ret;
int i;
int j;
t_ind *it;
i = 0;
ret = NULL;
if ((ret = (t_ind**)ft_memalloc(sizeof(t_ind*) * (data->nb_paths_max + 1))) != NULL)
{
it = data->adj[e_ind];
while (it && i < data->nb_paths_max && (j = e_ind) == e_ind)
{
if (it->weight == 2 && (j = it->index))
{
if (lst_indadd(&(ret[i]), e_ind) == NULL)
return (clean_ret(ret));
while (j != s_ind)
{
if (lst_indadd(&(ret[i]), j) == NULL)
return (clean_ret(ret));
j = tab[j].parent;
}
i++;
}
it = it->next;
}
}
return (ret);
}
t_ind **edmunds_karp(t_lmdata *data, int start_ind, int end_ind)
{
t_bfs tab[data->nb_nodes];
t_ind **ret[2];
int score[2];
ret[0] = NULL;
ret[1] = NULL;
score[0] = 0;
score[1] = 0;
ft_printf("nb paths max: %d\n", data->nb_paths_max);
if (data && data->adj)
{
bfs(data, tab, start_ind, end_ind);
while (tab[end_ind].parent != -1)
{
update_weights(data, tab, end_ind);
if (tab[end_ind].parent != -1)
ret[1] = resolve_path(data, start_ind, end_ind, tab);
ft_printf("ret 0: %p\n", ret[0]);
ft_printf("score 0: %d\nscore 1: %d\n", score[0], get_score(data, ret[1]));
score[1] = get_score(data, ret[1]);
if (ret[0] == NULL || score[0] > score[1])
{
score[0] = score[1];
if (ret[0] != NULL)
clean_ret(ret[0]);
ret[0] = ret[1];
bfs(data, tab, start_ind, end_ind);
}
else if (score[0] <= score[1])
{
clean_ret(ret[1]);
break;
}
}
return (ret[0]);
}
return (NULL);
}

3
srcs/lem_in.c
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@ -6,7 +6,7 @@
/* By: mndhlovu <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/03/25 06:31:05 by mndhlovu #+# #+# */
/* Updated: 2019/04/22 10:02:05 by tmaze ### ########.fr */
/* Updated: 2019/04/22 15:37:45 by mndhlovu ### ########.fr */
/* */
/* ************************************************************************** */
@ -60,6 +60,7 @@ static int lem_in(t_syntax *synt, t_holder *holder,
return (0);
if (!(lm_verify_cmd(synt, holder, lmdata)))
return (0);
ft_printf("Number of nodes %d\n", lmdata->nb_nodes);
if (!lst_indinit(lmdata))
return (0);
if (!(lm_adj_parser(lmdata, holder)))

29
srcs/lm_check_errors.c
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@ -6,7 +6,7 @@
/* By: mndhlovu <mndhlovu@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/04/22 08:55:30 by mndhlovu #+# #+# */
/* Updated: 2019/04/22 09:55:46 by mndhlovu ### ########.fr */
/* Updated: 2019/04/22 12:43:44 by mndhlovu ### ########.fr */
/* */
/* ************************************************************************** */
@ -30,16 +30,23 @@ int lm_check_forbiden_chars(char *line, int flag)
char *hash;
char *dash;
dash = ft_strchr(line, '-');
hash = ft_strchr(line, '#');
if (flag == 0 && dash == NULL && hash == NULL)
return (1);
if (flag == 1 && dash == NULL && hash != NULL)
return (1);
if (flag == 2 && dash == NULL && (hash == NULL || (hash != NULL && line[1] != '#')))
return (1);
if (flag == 3 && dash != NULL && (hash == NULL || (hash != NULL && line[1] != '#')))
return (1);
if (line != NULL)
{
dash = ft_strchr(line, '-');
hash = ft_strchr(line, '#');
if (flag == 0 && dash == NULL
&& hash == NULL)
return (1);
if (flag == 1 && dash == NULL
&& hash != NULL)
return (1);
if (flag == 2 && dash == NULL
&& (hash == NULL || (hash != NULL && line[1] != '#')))
return (1);
if (flag == 3 && dash != NULL
&& (hash == NULL || (hash != NULL && line[1] != '#')))
return (1);
}
return (0);
}

2
srcs/lm_data_utils.c
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@ -6,7 +6,7 @@
/* By: mndhlovu <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/04/05 06:35:40 by mndhlovu #+# #+# */
/* Updated: 2019/04/11 11:32:32 by tmaze ### ########.fr */
/* Updated: 2019/04/22 15:31:10 by mndhlovu ### ########.fr */
/* */
/* ************************************************************************** */

2
srcs/lm_graph_utils.c
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@ -6,7 +6,7 @@
/* By: mndhlovu <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/03/29 07:17:06 by mndhlovu #+# #+# */
/* Updated: 2019/04/11 20:34:58 by tmaze ### ########.fr */
/* Updated: 2019/04/22 14:28:24 by mndhlovu ### ########.fr */
/* */
/* ************************************************************************** */

2
srcs/lm_initdata.c
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@ -6,7 +6,7 @@
/* By: tmaze <tmaze@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/03/23 17:43:34 by tmaze #+# #+# */
/* Updated: 2019/04/08 18:26:13 by tmaze ### ########.fr */
/* Updated: 2019/04/22 12:44:00 by mndhlovu ### ########.fr */
/* */
/* ************************************************************************** */

18
srcs/lm_mem_utils.c
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@ -6,7 +6,7 @@
/* By: mndhlovu <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/03/25 06:31:37 by mndhlovu #+# #+# */
/* Updated: 2019/04/11 11:39:06 by tmaze ### ########.fr */
/* Updated: 2019/04/22 12:52:48 by mndhlovu ### ########.fr */
/* */
/* ************************************************************************** */
@ -88,7 +88,7 @@ int lm_find_index(t_lmdata *data, char *str)
nodes = data->nodes_data;
while (nodes)
{
if (ft_strcmp(nodes->name, str) == 0)
if (ft_strequ(nodes->name, str))
return (nodes->ind);
nodes = nodes->next;
}
@ -99,6 +99,8 @@ int lm_ext_conn(t_holder *holder, t_lmdata *data, char *raw)
{
char **tab;
t_temp *temp;
int src;
int dest;
t_temp *new;
if (!(new = (t_temp *)ft_memalloc(sizeof(t_temp))))
@ -106,8 +108,16 @@ int lm_ext_conn(t_holder *holder, t_lmdata *data, char *raw)
tab = ft_strsplit(raw, '-');
if (tab != NULL)
{
new->src_ind = lm_find_index(data, tab[0]);
new->dest_ind = lm_find_index(data, tab[1]);
src = lm_find_index(data, tab[0]);
dest = lm_find_index(data, tab[1]);
if (src == -1 || dest == -1)
{
ft_printf("Bingo :%s\n", raw);
ft_del_words_tables(&tab);
return 0;
}
new->src_ind = src;
new->dest_ind = dest;
new->next = NULL;
if (holder->data == NULL)
holder->data = new;

16
srcs/lm_parser.c
View File

@ -3,10 +3,10 @@
/* ::: :::::::: */
/* lm_parser.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: mndhlovu <marvin@42.fr> +#+ +:+ +#+ */
/* By: mndhlovu <mndhlovu@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/03/25 06:30:51 by mndhlovu #+# #+# */
/* Updated: 2019/04/20 13:08:01 by mndhlovu ### ########.fr */
/* Created: 2019/04/20 15:24:51 by mndhlovu #+# #+# */
/* Updated: 2019/04/22 15:31:03 by mndhlovu ### ########.fr */
/* */
/* ************************************************************************** */
@ -17,22 +17,25 @@ void lm_locate_cd(int index, t_syntax *synt, char *line)
char *tmp;
tmp = ft_strchr(line, '#');
ft_printf("Bingo 1\n");
if ((!synt->s_cmd || !synt->e_cmd)
&& (tmp != NULL && line[1] == '#'
&& lm_check_forbiden_chars(line, 1)))
{
if (!synt->s_cmd)
{
if (ft_strcmp(tmp, "##start") == 0)
if (ft_strcmp(line, "##start") == 0)
{
ft_printf("Bingo 2\n");
synt->s_cmd = 1;
synt->s_pos = index;
}
}
if (!synt->e_cmd)
{
if (ft_strcmp(tmp, "##end") == 0)
if (ft_strcmp(line, "##end") == 0)
{
ft_printf("Bingo 3\n");
synt->e_cmd = 1;
synt->e_pos = index;
}
@ -49,6 +52,7 @@ int lm_get_ant_(int counter, t_lmdata *ldata, t_syntax *synt, ch
value = lm_get_value(line);
if (value != -1)
{
ft_printf("Bingo 4 %d\n", value);
ldata->nbants = value;
synt->nb_state = 1;
return (1);
@ -61,9 +65,11 @@ int lm_get_ant_(int counter, t_lmdata *ldata, t_syntax *synt, ch
static int lm_get_vertices(int count, t_syntax *synt,
t_lmdata *data, t_holder *holder, char *line)
{
ft_printf("Bingo 5\n");
lm_get_cmd_vert(count, synt, data, line);
if (!synt->s_error && !synt->e_error)
{
ft_printf("Bingo 6 %s\n", line);
lm_get_vert_link(count, synt, data, holder, line);
if (!synt->v_error && !synt->l_error)
return (1);

3
srcs/lm_utils_parser.c
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@ -6,7 +6,7 @@
/* By: mndhlovu <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/04/04 09:24:45 by mndhlovu #+# #+# */
/* Updated: 2019/04/20 13:25:57 by mndhlovu ### ########.fr */
/* Updated: 2019/04/22 15:30:39 by mndhlovu ### ########.fr */
/* */
/* ************************************************************************** */
@ -67,6 +67,7 @@ void lm_get_vert_link(int count, t_syntax *synt, t_lmdata *ldata
{
if (lm_check_forbiden_chars(line, 0))
{
ft_printf("Bingo 7 %s\n", line);
if (!(lm_add_vertex(ldata, line, 'v', synt)))
{
synt->v_error = 1;

2
srcs/lst_ind.c
View File

@ -6,7 +6,7 @@
/* By: tmaze <tmaze@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/03/27 14:56:55 by tmaze #+# #+# */
/* Updated: 2019/04/09 19:04:33 by tmaze ### ########.fr */
/* Updated: 2019/04/22 15:30:24 by mndhlovu ### ########.fr */
/* */
/* ************************************************************************** */