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sortix--sortix/libc/fstab/getfsent.c
2016-05-15 19:32:04 +02:00

43 lines
1.3 KiB
C

/*
* Copyright (c) 2015 Jonas 'Sortie' Termansen.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* fstab/getfsent.c
* Read filesystem table entry.
*/
#include <fstab.h>
#include <stdio.h>
#include <stdlib.h>
struct fstab* getfsent(void)
{
if ( !__fstab_file && !setfsent() )
return NULL;
static struct fstab fs;
static char* line = NULL;
static size_t line_size = 0;
ssize_t line_length;
while ( 0 < (line_length = getline(&line, &line_size, __fstab_file)) )
{
if ( line[line_length - 1] == '\n' )
line[--line_length] = '\0';
if ( scanfsent(line, &fs) )
return &fs;
}
free(line);
line = NULL;
line_size = 0;
return NULL;
}