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forgot what i did today :/

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This commit is contained in:
Jack Halford 2016-09-28 00:47:18 +02:00
parent 529e5aac59
commit 26ce7ebf45
6 changed files with 34 additions and 30 deletions
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9
42sh/.tags
View file

@ -1,13 +1,14 @@
Mmain src/main.c /^int main(void)$/
builtin_cd src/builtin.c /^int builtin_cd(char **av, char **env)$/
builtin_echo src/builtin.c /^int builtin_echo(char **av, char **env)$/
builtin_env src/lib_builtin_env.c /^int builtin_env(char **av, char **env)$/
builtin_env src/builtin_env.c /^int builtin_env(char **av, char **env)$/
builtin_exit src/builtin.c /^int builtin_exit(char **av, char **env)$/
builtin_setenv src/lib_builtin_env.c /^int builtin_setenv(char **av, char **env)$/
builtin_unsetenv src/lib_builtin_env.c /^int builtin_unsetenv(char **av, char **env)$/
builtin_setenv src/builtin_env.c /^int builtin_setenv(char **av, char **env)$/
builtin_unsetenv src/builtin_env.c /^int builtin_unsetenv(char **av, char **env)$/
ft_builtin_exec src/builtin.c /^int ft_builtin_exec(char **av, char **env)$/
ft_cmd_exec src/ft_cmd.c /^int ft_cmd_exec(char *cmd)$/
ft_cmd_getav src/ft_cmd.c /^char **ft_cmd_getav(char *cmd)$/
ft_env_getval src/lib_env.c /^char *ft_env_getval(char **env, char *key)$/
ft_format_vars src/lib_format.c /^void ft_format_vars(char **av, char **env)$/
ft_expand_vars src/lib_expansion.c /^void ft_expand_vars(char **av, char **env)$/
ft_path_access src/lib_path.c /^int ft_path_access(char *execpath, char *execname/
ft_path_findexec src/lib_path.c /^char *ft_path_findexec(char **path, char *execname/

4
42sh/includes/minishell.h
View file

@ -26,8 +26,10 @@ int builtin_setenv(char **av, char **env);
int builtin_unsetenv(char **av, char **env);
int builtin_env(char **av, char **env);
void ft_format_vars(char **av, char **env);
void ft_expand_vars(char **av, char **env);
char *ft_env_getval(char **env, char *key);
int ft_path_access(char *execpath, char *execname);
char *ft_path_findexec(char **path, char *execname);
#endif

0
42sh/src/lib_builtin_env.c → 42sh/src/builtin_env.c
View file

6
42sh/src/ft_cmd.c
View file

@ -11,7 +11,7 @@ int ft_cmd_exec(char *cmd)
path = ft_strsplit(ft_env_getval(environ, "PATH"), ':');
argv = ft_cmd_getav(cmd);
ft_format_vars(argv, environ);
ft_expand_vars(argv, environ);
if (ft_builtin_exec(argv, environ) == 0)
return (0);
else if (ft_strchr(argv[0], '/'))
@ -19,9 +19,11 @@ int ft_cmd_exec(char *cmd)
else if (!(execpath = ft_path_findexec(path, argv[0])))
return (-1);
/* ft_printf("%s @ %s\n", argv[0], execpath); */
if (ft_path_access(execpath, argv[0]))
return (-1);
if ((pid = fork()) == -1)
return (-1);
if (pid == 0)
else if (pid == 0)
execve(execpath, argv, environ);
else
{

2
42sh/src/lib_format.c → 42sh/src/lib_expansion.c
View file

@ -1,6 +1,6 @@
#include "minishell.h"
void ft_format_vars(char **av, char **env)
void ft_expand_vars(char **av, char **env)
{
while (*av)
{

33
42sh/src/lib_path.c
View file

@ -1,38 +1,37 @@
#include "minishell.h"
int ft_path_access(char *execpath, char *execname)
{
if (access(execpath, X_OK) == -1)
{
ft_printf("minishell: permission denied: %s\n", execname);
return (1);
}
return (0);
}
char *ft_path_findexec(char **path, char *execname)
{
int i;
DIR *dir;
char *execpath;
struct dirent *dirent;
struct stat statbuf;
i = 0;
while (path[i])
{
if ((dir = opendir(path[i])))
i = -1;
while (path[++i])
{
if (!(dir = opendir(path[i])))
continue ;
while ((dirent = readdir(dir)))
{
if (ft_strcmp(dirent->d_name, execname) == 0)
{
if (ft_strcmp(dirent->d_name, execname))
continue ;
if (path[i][ft_strlen(path[i])] != '/')
ft_strcat(path[i], "/");
execpath = ft_strjoin(path[i], dirent->d_name);
if (stat(execpath, &statbuf) == -1)
return (NULL);
if (access(execpath, statbuf.st_mode) == -1)
{
ft_printf("minishell: permission denied: %s\n", execname);
return (NULL);
}
return (execpath);
}
}
}
i++;
}
ft_printf("minishell: command not found: %s\n", execname);
return (NULL);
}