75 lines
1.4 KiB
C
75 lines
1.4 KiB
C
#include "./utils.h"
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#include <unistd.h>
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char *ft_get_executable_with_path(const char *name)
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{
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char *path;
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if (access(name, F_OK) != 0)
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{
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ft_eprintf("minishell: %s bash: No such file or directery\n");
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return (NULL);
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}
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if (access(name, X_OK) != 0)
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{
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ft_eprintf("minishell: %s: permission denied\n", name);
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return (NULL);
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}
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path = ft_strdup(name);
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if (path == NULL)
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{
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ft_eprintf("minishell: malloc failed\n");
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return (NULL);
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}
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return (path);
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}
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char *ft_get_executable_without_path(t_list **env, const char *name)
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{
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char **tab;
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char *paths;
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char *path;
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size_t i;
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path = NULL;
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paths = get_value_by_key("PATH", env);
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if (paths == NULL)
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path = "";
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tab = ft_split(paths, ':');
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if (tab == NULL)
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{
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ft_eprintf("minishell: malloc failed\n");
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return (NULL);
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}
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i = 0;
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while (tab[i] != NULL)
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{
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path = ft_strmerger(3, tab[i], "/", name);
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if (path == NULL)
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{
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ft_eprintf("minishell: malloc failed\n");
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break;
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}
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if (access(path, X_OK) == 0)
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break;
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free(path);
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path = NULL;
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i++;
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}
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ft_freer_tab_ultimate(1, tab);
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if (path == NULL)
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ft_eprintf("minishell: %s: command not found\n", name);
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return (path);
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}
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char *ft_get_executable(t_list **env, const char *name)
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{
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char *path;
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if (name[0] == '.' || name[0] == '/')
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path = ft_get_executable_with_path(name);
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else
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path = ft_get_executable_without_path(env, name);
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return (path);
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}
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