42_minishell/file.c
2023-02-02 17:27:26 +01:00

60 lines
1003 B
C

#include "minishell.h"
int ft_file_is_readable(char *path)
{
int readable;
int fd;
fd = open(path, O_RDONLY);
if (fd == -1)
{
ft_eprintf("minishell: %s: No such file or directory\n", path);
return (0);
}
readable = read(fd, "", 0);
if (readable == -1)
{
ft_eprintf("minishell: %s: Permission denied\n", path);
return (0);
}
close(fd);
return (1);
}
int ft_file_is_writeable(char *path)
{
int writeable;
int fd;
fd = open(path, O_WRONLY | O_CREAT, 0644);
if (fd == -1)
{
ft_eprintf("minishell: %s: Permission denied\n", path);
return (0);
}
writeable = write(fd, "", 0);
if (writeable == -1)
{
ft_eprintf("minishell: %s: Permission denied\n", path);
return (0);
}
close(fd);
return (1);
}
char *ft_get_file_path(char *infile)
{
size_t i;
i = 1;
while (infile[i] == ' ')
i++;
if (infile[i] == '\0')
{
ft_eprintf("minishell: syntax error near ");
ft_eprintf("unexpected token `newline'\n");
return (NULL);
}
return (ft_getstr(infile, i + 1));
}