18794c820f
* Version 3.0.28
* Update filenames in source
* Remove unnecessary symlink to fsck
* Commit "Recode short filenames from DOS codepage (default 437)." has
been reverted since we do not have access to iconv
* Commits cherry-picked on top of 3.0.28:
- mkfs.fat: fix incorrect int type
- Prevent out of bound array read in date_dos2unix()
Change-Id: I50310235c62ec2e6bc90afcd10f2814d3afb5113
120 lines
2.6 KiB
C
120 lines
2.6 KiB
C
/* common.c - Common functions
|
|
|
|
Copyright (C) 1993 Werner Almesberger <werner.almesberger@lrc.di.epfl.ch>
|
|
Copyright (C) 1998 Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de>
|
|
Copyright (C) 2008-2014 Daniel Baumann <mail@daniel-baumann.ch>
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
The complete text of the GNU General Public License
|
|
can be found in /usr/share/common-licenses/GPL-3 file.
|
|
*/
|
|
|
|
/* FAT32, VFAT, Atari format support, and various fixes additions May 1998
|
|
* by Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de> */
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdarg.h>
|
|
#include <errno.h>
|
|
|
|
#include "common.h"
|
|
|
|
typedef struct _link {
|
|
void *data;
|
|
struct _link *next;
|
|
} LINK;
|
|
|
|
void die(const char *msg, ...)
|
|
{
|
|
va_list args;
|
|
|
|
va_start(args, msg);
|
|
vfprintf(stderr, msg, args);
|
|
va_end(args);
|
|
fprintf(stderr, "\n");
|
|
exit(1);
|
|
}
|
|
|
|
void pdie(const char *msg, ...)
|
|
{
|
|
va_list args;
|
|
|
|
va_start(args, msg);
|
|
vfprintf(stderr, msg, args);
|
|
va_end(args);
|
|
fprintf(stderr, ":%s\n", strerror(errno));
|
|
exit(1);
|
|
}
|
|
|
|
void *alloc(int size)
|
|
{
|
|
void *this;
|
|
|
|
if ((this = malloc(size)))
|
|
return this;
|
|
pdie("malloc");
|
|
return NULL; /* for GCC */
|
|
}
|
|
|
|
void *qalloc(void **root, int size)
|
|
{
|
|
LINK *link;
|
|
|
|
link = alloc(sizeof(LINK));
|
|
link->next = *root;
|
|
*root = link;
|
|
return link->data = alloc(size);
|
|
}
|
|
|
|
void qfree(void **root)
|
|
{
|
|
LINK *this;
|
|
|
|
while (*root) {
|
|
this = (LINK *) * root;
|
|
*root = this->next;
|
|
free(this->data);
|
|
free(this);
|
|
}
|
|
}
|
|
|
|
int min(int a, int b)
|
|
{
|
|
return a < b ? a : b;
|
|
}
|
|
|
|
char get_key(const char *valid, const char *prompt)
|
|
{
|
|
int ch, okay;
|
|
|
|
while (1) {
|
|
if (prompt)
|
|
printf("%s ", prompt);
|
|
fflush(stdout);
|
|
while (ch = getchar(), ch == ' ' || ch == '\t') ;
|
|
if (ch == EOF)
|
|
exit(1);
|
|
if (!strchr(valid, okay = ch))
|
|
okay = 0;
|
|
while (ch = getchar(), ch != '\n' && ch != EOF) ;
|
|
if (ch == EOF)
|
|
exit(1);
|
|
if (okay)
|
|
return okay;
|
|
printf("Invalid input.\n");
|
|
}
|
|
}
|