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Diffstat (limited to 'src/eval/cmd.c')
-rw-r--r--src/eval/cmd.c80
1 files changed, 40 insertions, 40 deletions
diff --git a/src/eval/cmd.c b/src/eval/cmd.c
index 5130a45..107a2a6 100644
--- a/src/eval/cmd.c
+++ b/src/eval/cmd.c
@@ -6,14 +6,14 @@
/* By: charles <charles@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/06/14 10:41:31 by charles #+# #+# */
-/* Updated: 2020/09/09 17:40:54 by charles ### ########.fr */
+/* Updated: 2020/09/10 15:05:54 by charles ### ########.fr */
/* */
/* ************************************************************************** */
#include "eval.h"
pid_t g_child_pid = -1;
-int g_last_status_code = 0;
+int g_last_status = 0;
void token_debug(void *v);
/*
@@ -33,19 +33,19 @@ int fork_wrap(
pid_t child_pid;
if ((child_pid = fork()) == -1)
- return (-1);
+ return (ERR_FATAL);
if (child_pid == 0)
{
- if ((fds[FDS_READ] != MS_NO_FD && dup2(fds[FDS_READ], STDIN_FILENO) == -1) ||
- (fds[FDS_WRITE] != MS_NO_FD && dup2(fds[FDS_WRITE], STDOUT_FILENO) == -1))
+ if ((fds[FD_READ] != FD_NONE && dup2(fds[FD_READ], STDIN_FILENO) == -1) ||
+ (fds[FD_WRITE] != FD_NONE && dup2(fds[FD_WRITE], STDOUT_FILENO) == -1))
exit(EXIT_FAILURE);
- if ((status = wrapped(passed)) == -1)
+ if ((status = wrapped(passed)) == ERR_FATAL)
exit(EXIT_FAILURE);
exit(status);
}
g_child_pid = child_pid;
wait(&child_pid);
- close(fds[FDS_WRITE]);
+ close(fds[FD_WRITE]);
// also read end?
return (WEXITSTATUS(child_pid));
}
@@ -53,38 +53,41 @@ int fork_wrap(
int forked_cmd(void *void_param)
{
t_fork_param_cmd *param;
- int ret;
+ int status;
+ struct stat statbuf;
param = void_param;
ft_vecpop(param->env_local, NULL);
if (ft_vecswallow_at(param->env, param->env->size - 1, param->env_local) == NULL)
{
ft_vecdestroy(param->env_local, free);
- return (-1);
+ return (ERR_FATAL);
}
if (param->builtin != NULL)
return (param->builtin->func(param->argv, param->env));
else
{
+ if (stat(param->exec_path, &statbuf) == -1)
+ {
+ errorf("%s: %s\n", param->exec_path, strerror(errno));
+ return (error_get_status(ERR_ERRNO));
+ }
+ if (S_ISDIR(statbuf.st_mode))
+ {
+ errorf("%s: Is a directory\n", param->exec_path);
+ return (error_get_status(ERR_IS_DIRECTORY));
+ }
+
errno = 0;
- ret = execve(param->exec_path, param->argv, (char**)param->env->data);
- if (ret == -1)
+ status = execve(param->exec_path, param->argv, (char**)param->env->data);
+ if (status == -1)
{
if (errno == ENOEXEC)
- return (0);
- struct stat statbuf;
- if (stat(param->exec_path, &statbuf) != -1 && S_ISDIR(statbuf.st_mode))
- {
- errorf("%s: Is a directory\n", param->exec_path);
- ret = 126;
- }
- else
- {
- errorf("%s: %s\n", param->exec_path, strerror(errno));
- ret = 126;
- }
+ return (error_get_status(ERR_NONE));
+ errorf("%s: %s\n", param->exec_path, strerror(errno));
+ return (error_get_status(ERR_ERRNO));
}
- return (ret);
+ return (status);
}
}
@@ -92,16 +95,18 @@ int eval_cmd(int fds[2], t_env env, t_path path, t_ast *ast)
{
t_fork_param_cmd param;
char **argv;
+ int status;
- if (!redir_extract(&ast->redirs, env, fds))
+ if ((status = redir_extract(&ast->redirs, env, fds)) != ERR_NONE)
{
ast->redirs = NULL;
- return (-1);
+ return (status);
}
ast->redirs = NULL;
if ((param.env_local = env_from_array((char*[]){NULL})) == NULL)
- return (-1);
- variable_extract(&ast->cmd_argv, env, param.env_local);
+ return (ERR_FATAL);
+ if (!variable_extract(&ast->cmd_argv, env, param.env_local))
+ return (ERR_FATAL);
/* char **strs = preprocess(&start, env); */
/* */
@@ -115,17 +120,16 @@ int eval_cmd(int fds[2], t_env env, t_path path, t_ast *ast)
/* ft_vecdestroy(param.env_local, free); */
/* return (-1); */
/* } */
- /* g_last_status_code = 0; */
+ /* g_last_status = 0; */
/* return (0); */
/* } */
if ((argv = preprocess(&ast->cmd_argv, env)) == NULL)
{
ast->cmd_argv = NULL;
- return (-1);
+ return (ERR_FATAL);
}
- // can have no command (e.g `< file`)
if (argv[0] == NULL)
return (0);
param.builtin = builtin_search_func(argv[0]);
@@ -135,23 +139,19 @@ int eval_cmd(int fds[2], t_env env, t_path path, t_ast *ast)
param.exec_path = exec_search_path(path, env_search(env, "PATH"), argv[0]);
if (param.exec_path == NULL)
{
- g_last_status_code = 127;
errorf("%s: command not found\n", argv[0]);
ft_split_destroy(argv);
- return (-1); // return error status
+ return (ERR_CMD_NOT_FOUND);
}
}
else if (!param.builtin->forked)
- {
- g_last_status_code = param.builtin->func(argv, env);
- return (g_last_status_code);
- }
+ return (param.builtin->func(argv, env));
param.argv = argv;
param.env = env;
- int ret = fork_wrap(fds, &param, &forked_cmd);
- g_last_status_code = ret;
+ status = fork_wrap(fds, &param, &forked_cmd);
+ /* g_last_status = status; */
ft_split_destroy(argv);
ft_vecdestroy(param.env_local, free);
- return (ret);
+ return (status);
}