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Diffstat (limited to 'firmware/libc/include/fcntl.h')
-rw-r--r--firmware/libc/include/fcntl.h20
1 files changed, 11 insertions, 9 deletions
diff --git a/firmware/libc/include/fcntl.h b/firmware/libc/include/fcntl.h
index 34740c9ca2..ec53d728cf 100644
--- a/firmware/libc/include/fcntl.h
+++ b/firmware/libc/include/fcntl.h
@@ -23,18 +23,20 @@
#define __FCNTL_H__
#ifndef O_RDONLY
-#define O_RDONLY 0
-#define O_WRONLY 1
-#define O_RDWR 2
-#define O_CREAT 4
-#define O_APPEND 8
-#define O_TRUNC 0x10
+#define O_RDONLY 0x0000 /* open for reading only */
+#define O_WRONLY 0x0001 /* open for writing only */
+#define O_RDWR 0x0002 /* open for reading and writing */
+#define O_ACCMODE 0x0003 /* mask for above modes */
+#define O_APPEND 0x0008 /* set append mode */
+#define O_CREAT 0x0200 /* create if nonexistent */
+#define O_TRUNC 0x0400 /* truncate to zero length */
+#define O_EXCL 0x0800 /* error if already exists */
#endif
#ifndef SEEK_SET
-#define SEEK_SET 0
-#define SEEK_CUR 1
-#define SEEK_END 2
+#define SEEK_SET 0 /* set file offset to offset */
+#define SEEK_CUR 1 /* set file offset to current plus offset */
+#define SEEK_END 2 /* set file offset to EOF plus offset */
#endif
#endif /* __FCNTL_H__ */