minishell/command/command_array.c
2023-12-12 17:32:54 +01:00

81 lines
1.9 KiB
C
Executable File

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* command_array.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: fgras-ca <fgras-ca@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/12/01 11:26:25 by fgras-ca #+# #+# */
/* Updated: 2023/12/09 18:56:21 by fgras-ca ### ########.fr */
/* */
/* ************************************************************************** */
#include "../minishell.h"
static char **allocate_args_array(t_command *command)
{
char **args;
args = malloc(sizeof(char *) * (command->arg_count + 2));
if (!args)
{
return (NULL);
}
return (args);
}
static int duplicate_command_arg(char **args, t_command *command, int i)
{
args[i + 1] = ft_strdup(command->args[i]);
if (!args[i + 1])
{
while (--i >= 0)
free(args[i + 1]);
free(args[0]);
free(args);
return (0);
}
return (1);
}
char **build_args_array(t_command *command)
{
char **args;
int i;
args = allocate_args_array(command);
if (!args)
return (NULL);
args[0] = ft_strdup(command->command);
if (!args[0])
{
free(args);
return (NULL);
}
i = 0;
while (i < command->arg_count)
{
if (!duplicate_command_arg(args, command, i))
return (NULL);
i++;
}
args[command->arg_count + 1] = NULL;
return (args);
}
void free_args_array(char **args)
{
int i;
i = 0;
if (args)
{
while (args[i] != NULL)
{
free(args[i]);
i++;
}
free(args);
}
}