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feat(map parsing): show error if same texture directive is given twice

Browse source 
https://www.notion.so/Logic-error-leak-when-multiple-identical-texture-directives-are-given-233551de06f4806f8552ce4877a7757d?v=233551de06f480718417000cf26e3225&source=copy_link
This commit is contained in:
Khaïs COLIN 2025-07-21 13:09:30 +02:00
parent 3e28da1fcf
commit 8d3746dd53
Signed by: logistic-bot
SSH key fingerprint: SHA256:RlpiqKeXpcPFZZ4y9Ou4xi2M8OhRJovIwDlbCaMsuAo
2 changed files with 51 additions and 23 deletions
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7
src/map/map_checker.c
View file

@ -6,7 +6,7 @@
/* By: kcolin <kcolin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/06/06 17:54:42 by tchampio #+# #+# */
/* Updated: 2025/07/21 15:25:16 by kcolin ### ########.fr */
/* Updated: 2025/07/21 15:27:15 by kcolin ### ########.fr */
/* */
/* ************************************************************************** */
@ -64,9 +64,8 @@ bool check_cubfile(char *file, t_mapdata *map)
fd = open(file, O_RDONLY);
if (fd < 0)
return (ft_strlcpy(map->error, "Can't open file", 16), false);
if (!add_textures(fd, map))
return (close(fd), ft_strlcpy(map->error,
"Map started before all the textures", 37), false);
if (add_textures(fd, map) != 0)
return (close(fd), false);
if (map->error[0])
return (close(fd), false);
populate_maps(map, fd);

67
src/map/setters.c
View file

@ -6,7 +6,7 @@
/* By: kcolin <kcolin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/06/21 19:35:43 by tchampio #+# #+# */
/* Updated: 2025/07/21 15:22:41 by kcolin ### ########.fr */
/* Updated: 2025/07/21 15:28:36 by kcolin ### ########.fr */
/* */
/* ************************************************************************** */
@ -40,53 +40,82 @@ unsigned long set_color(const char *s, t_mapdata *map)
return (finalcolor);
}
bool set_textures(char *line, t_mapdata *map)
/*
** return values:
** 0: ok
** 2: duplicated texture directive
*/
int try_set_texture(t_mapdata *map, char **texture, char *texture_name)
{
if (*texture != NULL)
{
ft_strlcpy(map->error, "Duplicated texture directive", 1024);
return (2);
}
*texture = ft_strdup(texture_name);
return (0);
}
/*
** return values:
** 0: ok
** 1: map starts here
** 2: duplicated texture directive
*/
int set_textures(char *line, t_mapdata *map)
{
char **tab;
int i;
int retvalue;
tab = ft_split(line, ' ');
i = 0;
if (tab[0][0] == '1')
return (false);
return (ft_strlcpy(map->error,
"Map started before all the textures", 1024), 1);
retvalue = 0;
if (tab[0] && tab[1])
{
if (!ft_strncmp(tab[0], "NO", 3) || !ft_strncmp(tab[0], "no", 3))
map->no_texture = ft_strdup(tab[1]);
retvalue = try_set_texture(map, &map->no_texture, tab[1]);
if (!ft_strncmp(tab[0], "SO", 3) || !ft_strncmp(tab[0], "so", 3))
map->so_texture = ft_strdup(tab[1]);
retvalue = try_set_texture(map, &map->so_texture, tab[1]);
if (!ft_strncmp(tab[0], "WE", 3) || !ft_strncmp(tab[0], "we", 3))
map->we_texture = ft_strdup(tab[1]);
retvalue = try_set_texture(map, &map->we_texture, tab[1]);
if (!ft_strncmp(tab[0], "EA", 3) || !ft_strncmp(tab[0], "ea", 3))
map->ea_texture = ft_strdup(tab[1]);
retvalue = try_set_texture(map, &map->ea_texture, tab[1]);
if (!ft_strncmp(tab[0], "F", 2) || !ft_strncmp(tab[0], "f", 2))
map->f_color = set_color(tab[1], map);
if (!ft_strncmp(tab[0], "C", 2) || !ft_strncmp(tab[0], "c", 2))
map->c_color = set_color(tab[1], map);
}
while (tab[i])
free(tab[i++]);
return (free(tab), true);
return (free_tab(tab), retvalue);
}
bool add_textures(int fd, t_mapdata *map)
/*
** return values:
** 0: ok
** 1: map starts here
** 2: duplicated texture directive
*/
int add_textures(int fd, t_mapdata *map)
{
char *line;
int set_lines;
int result;
line = get_next_line(fd);
set_lines = 0;
while (line && set_lines < 6)
{
if (line[0] == '\0' || line[0] == '\n')
;
else if (!set_textures(line, map))
return (free(line), gnl_exhaust(fd), false);
else
if (line[0] != '\0' && line[0] != '\n')
{
result = set_textures(line, map);
if (result != 0)
return (free(line), gnl_exhaust(fd), result);
set_lines++;
}
free(line);
line = get_next_line(fd);
}
free(line);
return (true);
return (0);
}