Add truncate() emulation to address Bug 208

2 files changed, 24 insertions, 2 deletions

diff --git a/openbsd-compat/bsd-misc.c b/openbsd-compat/bsd-misc.c
index 7bf46dd75..237f93931 100644
--- a/openbsd-compat/bsd-misc.c
+++ b/openbsd-compat/bsd-misc.c
@@ -24,7 +24,7 @@
 
 #include "includes.h"
 
-RCSID("$Id: bsd-misc.c,v 1.5 2001/10/10 20:38:56 mouring Exp $");
+RCSID("$Id: bsd-misc.c,v 1.6 2002/05/08 02:51:32 tim Exp $");
 
 char *get_progname(char *argv0)
 {
@@ -99,3 +99,22 @@ int utimes(char *filename, struct timeval *tvp)
         return(utime(filename, &ub));
 }
 #endif 
+
+#ifndef HAVE_TRUNCATE
+int truncate (const char *path, off_t length)
+{
+        int fd, ret, saverrno;
+
+        fd = open(path, O_WRONLY);
+        if (fd < 0)
+                return -1;
+
+        ret = ftruncate(fd, length);
+        saverrno = errno;
+        (void) close (fd);
+        if (ret == -1)
+                errno = saverrno;
+        return(ret);
+}
+#endif /* HAVE_TRUNCATE */
+
diff --git a/openbsd-compat/bsd-misc.h b/openbsd-compat/bsd-misc.h
index 2ca0f3704..9475a2945 100644
--- a/openbsd-compat/bsd-misc.h
+++ b/openbsd-compat/bsd-misc.h
@@ -22,7 +22,7 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-/* $Id: bsd-misc.h,v 1.3 2001/04/09 14:50:56 stevesk Exp $ */
+/* $Id: bsd-misc.h,v 1.4 2002/05/08 02:51:32 tim Exp $ */
 
 #ifndef _BSD_MISC_H
 #define _BSD_MISC_H
@@ -72,5 +72,8 @@ struct timeval {
 int utimes(char *filename, struct timeval *tvp);
 #endif /* HAVE_UTIMES */
 
+#ifndef HAVE_TRUNCATE
+int truncate (const char *path, off_t length);
+#endif /* HAVE_TRUNCATE */
 
 #endif /* _BSD_MISC_H */