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209 lines
4.1 KiB
C
209 lines
4.1 KiB
C
/* common.c - Common functions
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Copyright (C) 1993 Werner Almesberger <werner.almesberger@lrc.di.epfl.ch>
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Copyright (C) 1998 Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de>
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Copyright (C) 2008-2014 Daniel Baumann <mail@daniel-baumann.ch>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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The complete text of the GNU General Public License
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can be found in /usr/share/common-licenses/GPL-3 file.
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*/
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/* FAT32, VFAT, Atari format support, and various fixes additions May 1998
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* by Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de> */
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#include "vfatlib.h"
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#define NDEBUG
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#include <debug.h>
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typedef struct _link {
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void *data;
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struct _link *next;
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} LINK;
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#ifdef __REACTOS__
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DECLSPEC_NORETURN // __attribute((noreturn))
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void exit(int exitcode)
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{
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// DbgBreakPoint();
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NtTerminateProcess(NtCurrentProcess(), exitcode);
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/* Should never get here */
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while(1);
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}
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DECLSPEC_NORETURN // __attribute((noreturn))
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void die_func(const char *msg, ...) // die
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#else
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void die(const char *msg, ...)
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#endif
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{
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va_list args;
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va_start(args, msg);
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#ifndef __REACTOS__
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vfprintf(stderr, msg, args);
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#else
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DPRINT1("Unrecoverable problem!\n");
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VfatPrintV((char*)msg, args);
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#endif
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va_end(args);
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#ifndef __REACTOS__
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fprintf(stderr, "\n");
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#endif
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exit(1);
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}
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#ifdef __REACTOS__
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DECLSPEC_NORETURN // __attribute((noreturn))
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void pdie_func(const char *msg, ...) // pdie
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#else
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void pdie(const char *msg, ...)
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#endif
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{
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va_list args;
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va_start(args, msg);
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#ifndef __REACTOS__
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vfprintf(stderr, msg, args);
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#else
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DPRINT1("Unrecoverable problem!\n");
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VfatPrintV((char*)msg, args);
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#endif
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va_end(args);
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#ifndef __REACTOS__
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fprintf(stderr, ":%s\n", strerror(errno));
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#endif
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exit(1);
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}
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#ifndef __REACTOS__
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void *alloc(int size)
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{
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void *this;
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if ((this = malloc(size)))
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return this;
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pdie("malloc");
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return NULL; /* for GCC */
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}
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#else
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void *vfalloc(int size)
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{
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void *ptr;
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ptr = RtlAllocateHeap(RtlGetProcessHeap(), 0, size);
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if (ptr == NULL)
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{
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DPRINT1("Allocation failed!\n");
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pdie("malloc");
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return NULL;
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}
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return ptr;
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}
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void *vfcalloc(int size, int count)
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{
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void *ptr;
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ptr = RtlAllocateHeap(RtlGetProcessHeap(), HEAP_ZERO_MEMORY, size * count);
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if (ptr == NULL)
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{
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DPRINT1("Allocation failed!\n");
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return NULL;
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}
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return ptr;
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}
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void vffree(void *ptr)
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{
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RtlFreeHeap(RtlGetProcessHeap(), 0, ptr);
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}
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#endif
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void *qalloc(void **root, int size)
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{
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LINK *link;
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#ifndef __REACTOS__
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link = alloc(sizeof(LINK));
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#else
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link = vfalloc(sizeof(LINK));
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#endif
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link->next = *root;
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*root = link;
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#ifndef __REACTOS__
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return link->data = alloc(size);
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#else
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return link->data = vfalloc(size);
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#endif
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}
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void qfree(void **root)
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{
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LINK *this;
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while (*root) {
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this = (LINK *) * root;
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*root = this->next;
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#ifndef __REACTOS__
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free(this->data);
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free(this);
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#else
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vffree(this->data);
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vffree(this);
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#endif
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}
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}
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#ifdef __REACTOS__
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#ifdef min
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#undef min
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#endif
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#endif
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int min(int a, int b)
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{
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return a < b ? a : b;
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}
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char get_key(const char *valid, const char *prompt)
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{
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#ifndef __REACTOS__
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int ch, okay;
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while (1) {
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if (prompt)
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printf("%s ", prompt);
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fflush(stdout);
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while (ch = getchar(), ch == ' ' || ch == '\t') ;
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if (ch == EOF)
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exit(1);
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if (!strchr(valid, okay = ch))
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okay = 0;
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while (ch = getchar(), ch != '\n' && ch != EOF) ;
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if (ch == EOF)
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exit(1);
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if (okay)
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return okay;
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printf("Invalid input.\n");
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}
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#else
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return 0;
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#endif
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}
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