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update: pushing the final version of pipex

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Raphaël 2024-10-30 12:47:31 +01:00 • committed by GitHub
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_init.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rparodi <rparodi@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/03/12 22:15:24 by rparodi #+# #+# */
/* Updated: 2024/04/24 09:15:51 by rparodi ### ########.fr */
/* */
/* ************************************************************************** */
#include "../includes/pipex.h"
char *ft_cmd_args(char *str)
{
size_t i;
char *tempo;
i = 0;
tempo = NULL;
while (str[i] != '\0' && str[i] != 32)
i++;
if (str[i] != '\0')
tempo = ft_strdup(str + i + 1);
return (tempo);
}
char *ft_strjoin_before_space(char *str)
{
size_t i;
char *result;
i = 0;
if (str == NULL)
return (NULL);
while (str[i] != '\0' && str[i] != ' ')
i++;
if (str[i] == ' ')
{
result = (char *)malloc(sizeof(char) * (i + 1));
if (result == NULL)
return (NULL);
ft_memcpy(result, str, i);
result[i] = '\0';
return (result);
}
return (ft_strdup(str));
}
void ft_init_args2(char *argv[], t_utils *utils)
{
utils->first_cmd_args = ft_strdup(argv[2]);
if (!utils->first_cmd_args)
ft_exit(utils, NULL, 1, "first_cmd_args alloc has crashed !\n");
utils->second_cmd_args = ft_strdup(argv[3]);
if (!utils->first_cmd_args)
ft_exit(utils, NULL, 1, "second_cmd_args alloc has crashed !\n");
utils->fd_input = open(utils->path_input, O_RDWR);
if (utils->fd_input == -1)
ft_exit(utils, NULL, 1, "First file cannot be open !\n");
utils->fd_output = open(utils->path_output, \
O_RDWR | O_CREAT | O_TRUNC, 0644);
if (utils->fd_output == -1)
ft_exit(utils, NULL, 1, "Second file cannot be open !\n");
if (access(utils->path_input, F_OK) == -1)
ft_exit(utils, NULL, 1, "File input doesn't exist !\n");
else if (access(utils->path_input, R_OK) == -1 || \
access(utils->path_input, W_OK) == -1)
ft_exit(utils, NULL, 1, "The file 1 is not chmod correctily!\n");
else if (access(utils->path_output, R_OK) == -1 || \
access(utils->path_output, W_OK) == -1)
ft_exit(utils, NULL, 1, "The file 2 is not chmod correctily!\n");
utils->check_first_cmd = NULL;
utils->check_second_cmd = NULL;
}
void ft_init_args(char *argv[], t_utils *utils)
{
ft_init_cmd_path(argv, utils);
if (access(argv[3], X_OK) == -1)
{
utils->second_cmd = ft_strjoin_before_space(argv[3]);
if (!utils->second_cmd)
ft_exit(utils, NULL, 1, "Error during the alloc of second_cmd !\n");
utils->second_cmd_path = ft_strjoin("/", utils->second_cmd);
if (!utils->second_cmd_path)
ft_exit(utils, NULL, 1, "The join of cmd2 has failed !\n");
}
else
{
utils->first_cmd = ft_strdup(argv[3]);
utils->first_cmd_path = ft_strdup(argv[3]);
}
utils->path_output = ft_strdup(argv[4]);
if (!utils->path_output)
ft_exit(utils, NULL, 1, "path_output alloc has crashed !\n");
utils->path_input = ft_strdup(argv[1]);
if (!utils->path_input)
ft_exit(utils, NULL, 1, "path_input alloc has crashed !\n");
ft_init_args2(argv, utils);
}
void ft_init_arge(char *arge[], t_utils *utils)
{
size_t i;
char *temp;
i = 0;
temp = NULL;
while (arge[i] != NULL)
{
if (arge[i][0] == 'P' && arge[i][1] == 'A' && arge[i][2] == 'T' && \
arge[i][3] == 'H' && arge[i][4] == '=')
{
temp = ft_strdup(arge[i] + 5);
if (!temp)
ft_exit(utils, NULL, 1, "The path has a probleme");
else
utils->path = ft_split(temp, ':');
break ;
}
i++;
}
if (temp != NULL)
ft_free(temp);
}