Import sources from 2011-03-30 iso image

1 files changed, 44 insertions, 0 deletions

diff --git a/sys/src/libstdio/iolib.h b/sys/src/libstdio/iolib.h
new file mode 100755
index 000000000..8748b5518
--- /dev/null
+++ b/sys/src/libstdio/iolib.h
@@ -0,0 +1,44 @@
+/*
+ * pANS stdio -- definitions
+ * The following names are defined in the pANS:
+ *	FILE	 	fpos_t		_IOFBF		_IOLBF		_IONBF
+ *	BUFSIZ		EOF		FOPEN_MAX	FILENAME_MAX	L_tmpnam
+ *	SEEK_CUR	SEEK_END	SEEK_SET	TMP_MAX		stderr
+ *	stdin		stdout		remove		rename		tmpfile
+ *	tmpnam		fclose		fflush		fopen		freopen
+ *	setbuf		setvbuf		fprintf		fscanf		printf
+ *	scanf		sprintf		sscanf		vfprintf	vprintf
+ *	vsprintf	fgetc		fgets		fputc		fputs
+ *	getc		getchar		gets		putc		putchar
+ *	puts		ungetc		fread		fwrite		fgetpos
+ *	fseek		fsetpos		ftell		rewind		clearerr
+ *	feof		ferror		perror	
+ *
+ * (But plan9 version omits remove and rename, because they are in libc)
+ */
+#include <u.h>
+#include <libc.h>
+#undef END
+#include "Stdio.h"
+/*
+ * Flag bits
+ */
+#define	BALLOC	1	/* did stdio malloc fd->buf? */
+#define	LINEBUF	2	/* is stream line buffered? */
+#define	STRING	4	/* output to string, instead of file */
+#define APPEND	8	/* append mode output */
+/*
+ * States
+ */
+#define	CLOSED	0	/* file not open */
+#define	OPEN	1	/* file open, but no I/O buffer allocated yet */
+#define	RDWR	2	/* open, buffer allocated, ok to read or write */
+#define	RD	3	/* open, buffer allocated, ok to read but not write */
+#define	WR	4	/* open, buffer allocated, ok to write but not read */
+#define	ERR	5	/* open, but an uncleared error occurred */
+#define	END	6	/* open, but at eof */
+
+int _IO_setvbuf(FILE *);
+
+/* half hearted attempt to make multi threaded */
+extern QLock _stdiolk;