Add fsync, ftruncate, truncate

Using:
- sysLv2FsTruncate
- sysLv2FsFtruncate
- sysLv2FsFsync

Author: bucanero

ppu/crt/crt1.c

@@ -14,6 +14,9 @@ extern int __librt_fstat_r(struct _reent *r,int fd,struct stat *st);
 extern int __librt_fstat64_r(struct _reent *r,int fd,struct stat *st);
 extern int __librt_stat_r(struct _reent *r,const char *path,struct stat *st);
 extern int __librt_stat64_r(struct _reent *r,const char *path,struct stat *st);
+extern int __librt_ftruncate_r(struct _reent *r,int fd,off_t len);
+extern int __librt_truncate_r(struct _reent *r,const char *path,off_t len);
+extern int __librt_fsync_r(struct _reent *r,int fd);
 extern _ssize_t __librt_read_r(struct _reent *r,int fd,void *ptr,size_t len);
 extern _ssize_t __librt_write_r(struct _reent *r,int fd,const void *ptr,size_t len);
 extern _off_t __librt_lseek_r(struct _reent *r,int fd,_off_t pos,int dir);
@@ -66,6 +69,9 @@ static void __syscalls_init(void)
 	__syscalls.fstat64_r = __librt_fstat64_r;
 	__syscalls.stat_r = __librt_stat_r;
 	__syscalls.stat64_r = __librt_stat64_r;
+	__syscalls.ftruncate_r = __librt_ftruncate_r;
+	__syscalls.truncate_r = __librt_truncate_r;
+	__syscalls.fsync_r = __librt_fsync_r;
 	__syscalls.chmod_r = __librt_chmod_r;
 	__syscalls.rename_r = __librt_rename_r;
 	__syscalls.isatty_r = __librt_isatty_r;

ppu/librt/Makefile

@@ -46,7 +46,7 @@ OBJS		:= \
 			sbrk.o exit.o close.o lseek.o read.o open.o sleep.o write.o fstat.o \
 			socket.o lock.o dirent.o mkdir.o times.o umask.o lv2errno.o heap.o \
 			chmod.o rename.o rmdir.o isatty.o gettod.o settod.o unlink.o access.o \
-			link.o
+			link.o truncate.o fsync.o
 
 all: ppu
 

ppu/librt/fsync.c

@@ -0,0 +1,17 @@
+#include <_ansi.h>
+#include <_syslist.h>
+#include <sys/reent.h>
+#include <sys/errno.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/lv2errno.h>
+
+#include <sys/file.h>
+
+int
+_DEFUN(__librt_fsync_r,(ptr,fd),
+	   struct _reent *ptr _AND
+		   int fd)
+{
+	return lv2errno_r(ptr,sysLv2FsFsync(fd));
+}

ppu/librt/truncate.c

@@ -0,0 +1,28 @@
+#include <stdio.h>
+#include <fcntl.h>
+#include <_ansi.h>
+#include <_syslist.h>
+#include <sys/reent.h>
+#include <sys/errno.h>
+#include <sys/types.h>
+#include <sys/lv2errno.h>
+
+#include <sys/file.h>
+
+int
+_DEFUN(__librt_truncate_r,(r,path,len),
+	   struct _reent *r _AND
+	   const char *path _AND
+	   off_t len)
+{
+	return lv2errno_r(r,sysLv2FsTruncate(path,len));
+}
+
+int
+_DEFUN(__librt_ftruncate_r,(r,fd,len),
+	   struct _reent *r _AND
+	   int fd _AND
+	   off_t len)
+{
+	return lv2errno_r(r,sysLv2FsFtruncate(fd,len));
+}