Merge pull request #74 from bucanero/access

Add access() function

Author: miigotu

ppu/crt/crt1.c

@@ -33,6 +33,7 @@ extern void __librt_rewinddir_r(struct _reent *r,DIR *dirp);
 extern void __librt_seekdir_r(struct _reent *r,DIR *dirp,long int loc);
 extern int __librt_rmdir_r(struct _reent *r,const char *dirname);
 extern int __librt_unlink_r(struct _reent *r,const char *path);
+extern int __librt_access_r(struct _reent *r,const char *path,int amode);
 
 extern int __librt_usleep_r(struct _reent *r,useconds_t usec);
 extern unsigned int __librt_sleep_r(struct _reent *r,unsigned int seconds);
@@ -78,6 +79,7 @@ static void __syscalls_init(void)
 	__syscalls.seekdir_r = __librt_seekdir_r;
 	__syscalls.rmdir_r = __librt_rmdir_r;
 	__syscalls.unlink_r = __librt_unlink_r;
+	__syscalls.access_r = __librt_access_r;
 
 	__syscalls.sleep_r = __librt_sleep_r;
 	__syscalls.usleep_r = __librt_usleep_r;

ppu/include/lv2/sysfs.h

@@ -70,6 +70,7 @@ s32 sysFsChmod(const char* path, s32 mode);
 s32 sysFsMkdir(const char* path, s32 mode);
 s32 sysFsRmdir(const char *path);
 s32 sysFsUnlink(const char *path);
+s32 sysFsAccess(const char *path,s32 amode);
 
 s32 sysFsOpendir(const char *path, s32 *fd);
 s32 sysFsClosedir(s32 fd);

ppu/include/sys/file.h

@@ -132,6 +132,12 @@ LV2_SYSCALL sysLv2FsLink(const char *oldpath,const char *newpath)
 	return_to_user_prog(s32);
 }
 
+LV2_SYSCALL sysLv2FsAccess(const char *path,s32 amode)
+{
+	lv2syscall2(816,(u64)path,amode);
+	return_to_user_prog(s32);
+}
+
 #ifdef __cplusplus
 	}
 #endif

ppu/librt/Makefile

@@ -45,7 +45,7 @@ VPATH :=	$(BASEDIR)
 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
+			chmod.o rename.o rmdir.o isatty.o gettod.o settod.o unlink.o access.o
 
 all: ppu
 

ppu/librt/access.c

@@ -0,0 +1,19 @@
+#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_access_r,(r,path,amode),
+	   struct _reent *r _AND
+	   const char *path _AND
+	   int amode)
+{
+	return lv2errno_r(r,sysLv2FsAccess(path,amode));
+}

ppu/sprx/libsysfs/exports.h

@@ -15,6 +15,7 @@ EXPORT(sysFsUnlink, 0x7F4677A8);
 EXPORT(sysFsOpendir, 0x3F61245C);
 EXPORT(sysFsClosedir, 0xFF42DCC3);
 EXPORT(sysFsReaddir, 0x5C74903D);
+EXPORT(sysFsAccess, 0x06E681ED);
 EXPORT(sysFsAioInit, 0xDB869F20);
 EXPORT(sysFsAioReadEx, 0xC1C507E7);
 EXPORT(sysFsAioWriteEx, 0x4CEF342E);