80 lines
2.1 KiB
C
80 lines
2.1 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* file.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: cchauvet <cchauvet@student.42angoulem +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/02/15 17:36:11 by cchauvet #+# #+# */
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/* Updated: 2023/02/15 17:41:13 by cchauvet ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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#include <unistd.h>
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int ft_file_is_readable(const char *path)
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{
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int readable;
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int fd;
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fd = open(path, O_RDONLY);
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if (fd == -1)
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{
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ft_eprintf("minishell: %s: No such file or directory\n", path);
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return (-1);
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}
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readable = read(fd, "", 0);
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if (readable == -1)
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{
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ft_eprintf("minishell: %s: Permission denied\n", path);
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return (-1);
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}
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return (fd);
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}
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int ft_file_is_writable(const char *path)
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{
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int writeable;
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int fd;
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fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
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if (fd == -1)
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{
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ft_eprintf("minishell: %s: Permission denied\n", path);
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return (-1);
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}
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writeable = write(fd, "", 0);
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if (writeable == -1)
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{
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ft_eprintf("minishell: %s: Permission denied\n", path);
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return (-1);
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}
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return (fd);
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}
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int ft_file_is_appendable(const char *path)
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{
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int writeable;
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int fd;
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fd = open(path, O_WRONLY | O_CREAT | O_APPEND, 0644);
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if (fd == -1)
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{
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ft_eprintf("minishell: %s: Permission denied\n", path);
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return (-1);
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}
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writeable = write(fd, "", 0);
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if (writeable == -1)
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{
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ft_eprintf("minishell: %s: Permission denied\n", path);
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return (-1);
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}
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return (fd);
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}
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int ft_file_is_executable(const char *path)
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{
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return (access(path, X_OK) == 0);
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}
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