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- /*
- * libcompat - system compatibility library
- * compat.h - system compatibility declarations
- *
- * Copyright © 1995 Ian Jackson <ian@chiark.greenend.org.uk>
- * Copyright © 2008, 2009 Guillem Jover <guillem@debian.org>
- *
- * This 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 2,
- * or (at your option) any later version.
- *
- * This 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/>.
- */
- #ifndef COMPAT_H
- #define COMPAT_H
- #ifdef __cplusplus
- extern "C" {
- #endif
- #ifndef HAVE_OFFSETOF
- #define offsetof(st, m) ((size_t)&((st *)NULL)->m)
- #endif
- /*
- * Define WCOREDUMP if we don't have it already, coredumps won't be
- * detected, though.
- */
- #ifndef HAVE_WCOREDUMP
- #define WCOREDUMP(x) 0
- #endif
- #ifndef HAVE_STRTOUL
- #define strtoul strtol
- #endif
- #ifndef HAVE_VA_COPY
- #include <string.h>
- #define va_copy(dest, src) memcpy(&(dest), &(src), sizeof(va_list))
- #endif
- #include <strnlen.h>
- #ifndef HAVE_STRERROR
- const char *strerror(int);
- #endif
- #ifndef HAVE_STRSIGNAL
- const char *strsignal(int);
- #endif
- #ifndef HAVE_SCANDIR
- struct dirent;
- int scandir(const char *dir, struct dirent ***namelist,
- int (*filter)(const struct dirent *),
- int (*cmp)(const void *, const void *));
- #endif
- #ifndef HAVE_ALPHASORT
- int alphasort(const void *a, const void *b);
- #endif
- #ifndef HAVE_UNSETENV
- int unsetenv(const char *x);
- #endif
- #ifdef __cplusplus
- }
- #endif
- #endif /* COMPAT_H */
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