From e226d50f04e1226078858a15dd03aa81d03f7e2c Mon Sep 17 00:00:00 2001
From: whh8b <whh8b@git.zephyr-software.com>
Date: Mon, 11 Apr 2016 03:31:17 +0000
Subject: [PATCH] Add support for open modes and for mkfifo.
---
libc/include/open.h | 65 +++++++++++++++++++++++++++++++++++++++++-
libc/include/stdlib.h | 6 ++++
libc/include/syscall.h | 1 +
libc/src/Makefile.in | 2 +-
libc/src/open.c | 13 +++++++--
5 files changed, 82 insertions(+), 5 deletions(-)
diff --git a/libc/include/open.h b/libc/include/open.h
index 459dfb4..72d53d6 100644
--- a/libc/include/open.h
+++ b/libc/include/open.h
@@ -23,7 +23,70 @@
#include <stdint.h>
-int open(char *file, int mode);
+/* open/fcntl. */
+#define O_ACCMODE 0003
+#define O_RDONLY 00
+#define O_WRONLY 01
+#define O_RDWR 02
+#ifndef O_CREAT
+# define O_CREAT 0100 /* Not fcntl. */
+#endif
+#ifndef O_EXCL
+# define O_EXCL 0200 /* Not fcntl. */
+#endif
+#ifndef O_NOCTTY
+# define O_NOCTTY 0400 /* Not fcntl. */
+#endif
+#ifndef O_TRUNC
+# define O_TRUNC 01000 /* Not fcntl. */
+#endif
+#ifndef O_APPEND
+# define O_APPEND 02000
+#endif
+#ifndef O_NONBLOCK
+# define O_NONBLOCK 04000
+#endif
+#ifndef O_NDELAY
+# define O_NDELAY O_NONBLOCK
+#endif
+#ifndef O_SYNC
+# define O_SYNC 04010000
+#endif
+#define O_FSYNC O_SYNC
+#ifndef O_ASYNC
+# define O_ASYNC 020000
+#endif
+
+/* Protection bits. */
+
+#define __S_ISUID 04000 /* Set user ID on execution. */
+#define __S_ISGID 02000 /* Set group ID on execution. */
+#define __S_ISVTX 01000 /* Save swapped text after use (sticky). */
+#define __S_IREAD 0400 /* Read by owner. */
+#define __S_IWRITE 0200 /* Write by owner. */
+#define __S_IEXEC 0100 /* Execute by owner. */
+
+
+# define S_IRUSR __S_IREAD /* Read by owner. */
+# define S_IWUSR __S_IWRITE /* Write by owner. */
+# define S_IXUSR __S_IEXEC /* Execute by owner. */
+/* Read, write, and execute by owner. */
+# define S_IRWXU (__S_IREAD|__S_IWRITE|__S_IEXEC)
+
+# define S_IRGRP (S_IRUSR >> 3) /* Read by group. */
+# define S_IWGRP (S_IWUSR >> 3) /* Write by group. */
+# define S_IXGRP (S_IXUSR >> 3) /* Execute by group. */
+/* Read, write, and execute by group. */
+# define S_IRWXG (S_IRWXU >> 3)
+
+# define S_IROTH (S_IRGRP >> 3) /* Read by others. */
+# define S_IWOTH (S_IWGRP >> 3) /* Write by others. */
+# define S_IXOTH (S_IXGRP >> 3) /* Execute by others. */
+/* Read, write, and execute by others. */
+# define S_IRWXO (S_IRWXG >> 3)
+
+//int open(char *file, int flags, ...);
+int open(char *file, int flags, int mode);
#endif
diff --git a/libc/include/stdlib.h b/libc/include/stdlib.h
index 8b39fa1..82a3323 100644
--- a/libc/include/stdlib.h
+++ b/libc/include/stdlib.h
@@ -28,5 +28,11 @@
void __stack_chk_fail(void);
#include <malloc.h>
+#include <open.h>
+#include <close.h>
+#include <read.h>
+#include <write.h>
+#include <mkfifo.h>
+#include <syscall.h>
#endif
diff --git a/libc/include/syscall.h b/libc/include/syscall.h
index 115c35d..6a467b1 100644
--- a/libc/include/syscall.h
+++ b/libc/include/syscall.h
@@ -23,6 +23,7 @@
#define SYS_write 1
#define SYS_open 2
#define SYS_close 3
+#define SYS_mknod 133
#else
#define SYS_read 3
#define SYS_write 4
diff --git a/libc/src/Makefile.in b/libc/src/Makefile.in
index 1560c20..f428d84 100644
--- a/libc/src/Makefile.in
+++ b/libc/src/Makefile.in
@@ -7,7 +7,7 @@ AR=@AR@
AS=@AS@
ASFLAGS=@ASFLAGS@
-OBJS=malloc.o read.o write.o itoa.o strlen.o cgc.o open.o close.o stdlib.o
+OBJS=malloc.o read.o write.o itoa.o strlen.o cgc.o open.o close.o stdlib.o mkfifo.o
# note: cgc.s is empty when -DCGC is not in ASFLAGS, so it's an empty object file that's created..
diff --git a/libc/src/open.c b/libc/src/open.c
index 21b943f..f5428d2 100644
--- a/libc/src/open.c
+++ b/libc/src/open.c
@@ -21,10 +21,17 @@
#include <open.h>
#include <syscall.h>
-int open(char *file, int mode)
+/*
+int open(char *file, int flags)
{
#ifndef CGC
- syscall(SYS_open,file,mode);
+ syscall(SYS_open,file,flags);
+#endif
+}
+*/
+int open(char *file, int flags, int mode)
+{
+#ifndef CGC
+ syscall(SYS_open,file,flags,mode);
#endif
}
-
--
GitLab