add ask_command() and minishell_error()

This commit is contained in:
mcolonna 2024-04-23 16:02:01 +02:00
parent fa1301d41f
commit 2da8cbabdd
5 changed files with 82 additions and 17 deletions

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@ -3,9 +3,9 @@ NAME = minishell
# src directory # src directory
SRCS = src/ SRCS = src/
# include directory # include directory
INCLUDES = include/ INCLUDES = include/ libtf/
# .c files in src/ without the extension # .c files in src/ without the extension
CODE = main CODE = main ask_command error
# directories to 'make' # directories to 'make'
LIBRARIES = libtf LIBRARIES = libtf
# .a files to include # .a files to include

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@ -6,7 +6,7 @@
/* By: mcolonna <marvin@42.fr> +#+ +:+ +#+ */ /* By: mcolonna <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */ /* +#+#+#+#+#+ +#+ */
/* Created: 2024/04/23 14:15:12 by mcolonna #+# #+# */ /* Created: 2024/04/23 14:15:12 by mcolonna #+# #+# */
/* Updated: 2024/04/23 14:54:39 by mcolonna ### ########.fr */ /* Updated: 2024/04/23 16:01:17 by mcolonna ### ########.fr */
/* */ /* */
/* ************************************************************************** */ /* ************************************************************************** */
@ -14,14 +14,27 @@
# define INCLUDE_H # define INCLUDE_H
# include <stdbool.h> # include <stdbool.h>
# include <stdio.h>
# include <errno.h>
# include <string.h>
# include "libtf.h"
///// ASK COMMAND /////
// Show the prompt and ask a command to the user.
// Return the command.
const char *ask_command(t_memclass mc);
///// PARSE_COMMAND /////
// Represents a call to a program (the program name and its arguments) // Represents a call to a program (the program name and its arguments)
typedef struct s_call typedef struct s_call
{ {
char *program; // path of the program to call. char *program; // path of the program to call.
int argc; // number of arguments given (including the program's name) int argc; // number of arguments given
char **argv; // arguments given (including the program's name) const char *const *argv; // arguments given
} t_call; // (argc and argv must include the program name)
} t_call;
// Represents a command given by the user. // Represents a command given by the user.
typedef struct s_command typedef struct s_command
@ -32,15 +45,19 @@ typedef struct s_command
int output_fd; // fd to use with '>' redirection (1 by default) int output_fd; // fd to use with '>' redirection (1 by default)
} t_command; } t_command;
// Show the prompt and ask a command to the user.
// Return the command.
char *ask_command(void);
// Return the t_command representing the command given by the user. // Return the t_command representing the command given by the user.
// If error, return a t_command wth the value .error = true. // If error, return a t_command wth the value .error = true.
t_command parse_command(char *command); t_command parse_command(const char *command);
///// EXECUTE COMMAND /////
// Execute the command given. Return the exit status. // Execute the command given. Return the exit status.
int execute_command(t_command command); int execute_command(t_command command);
///// ERROR /////
// Call to show an error.
// If msg == "errno", use strerror(errno)
void minishell_error(const char *msg);
#endif #endif

25
src/ask_command.c Normal file
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@ -0,0 +1,25 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ask_command.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: mcolonna <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/04/23 15:03:23 by mcolonna #+# #+# */
/* Updated: 2024/04/23 15:56:21 by mcolonna ### ########.fr */
/* */
/* ************************************************************************** */
#include "include.h"
const char *ask_command(t_memclass mc)
{
const char *r;
print_str(minishell_error, 1, "( ^.^)> ");
r = read_line(minishell_error, mc, 0);
if (r)
return (r);
else
return ("");
}

22
src/error.c Normal file
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@ -0,0 +1,22 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* error.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: mcolonna <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/04/23 15:51:56 by mcolonna #+# #+# */
/* Updated: 2024/04/23 15:56:49 by mcolonna ### ########.fr */
/* */
/* ************************************************************************** */
#include "include.h"
void minishell_error(const char *msg)
{
if (str_eq(msg, "errno"))
msg = strerror(errno);
print_str(err_remember, 2, "minishell: ");
print_str(err_remember, 2, msg);
err_get();
}

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@ -6,26 +6,27 @@
/* By: mcolonna <marvin@42.fr> +#+ +:+ +#+ */ /* By: mcolonna <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */ /* +#+#+#+#+#+ +#+ */
/* Created: 2024/04/23 14:33:45 by mcolonna #+# #+# */ /* Created: 2024/04/23 14:33:45 by mcolonna #+# #+# */
/* Updated: 2024/04/23 14:55:04 by mcolonna ### ########.fr */ /* Updated: 2024/04/23 16:00:53 by mcolonna ### ########.fr */
/* */ /* */
/* ************************************************************************** */ /* ************************************************************************** */
#include "include.h" #include "include.h"
int main(int argc, char **argv) int main(void)
{ {
t_memclass mc;
t_command command; t_command command;
int errorstatus; int errorstatus;
(void)argc;
(void)argv;
errorstatus = 0; errorstatus = 0;
while (true) while (true)
{ {
command = parse_command(ask_command()); mc = mem_newclass(minishell_error);
command = parse_command(ask_command(mc));
if (command.error) if (command.error)
continue ; continue ;
errorstatus = execute_command(command); errorstatus = execute_command(command);
mem_freeall(mc);
} }
return (errorstatus); return (errorstatus);
} }