+++ /dev/null
-/* common.c - Common functions */
-
-/* Written 1993 by Werner Almesberger */
-
-/* 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(char *msg,...)
-{
- va_list args;
-
- va_start(args,msg);
- vfprintf(stderr,msg,args);
- va_end(args);
- fprintf(stderr,"\n");
- exit(1);
-}
-
-
-void pdie(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);
- }
-}
-
-
-#ifdef min
-#undef min
-#endif
-int min(int a,int b)
-{
- return a < b ? a : b;
-}
-
-
-char get_key(char *valid,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");
- }
-}
-
-/* Local Variables: */
-/* tab-width: 8 */
-/* End: */