scc

commit 03edfe03f5a09e129c84537ce44d030e974dd00c
parent 15d9bea9a00f9bc013e0a7954eb9a59fb3039549
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Fri,  8 Dec 2017 18:08:35 +0100

[lib/c] Add data definition of __iob array

Diffstat:
M
lib/c/include/stdio.h
 | 
7
+++----
M
lib/c/src/Makefile
 | 
1
+
A
lib/c/src/stdio.c
 | 
26
++++++++++++++++++++++++++

3 files changed, 30 insertions(+), 4 deletions(-)
diff --git a/lib/c/include/stdio.h b/lib/c/include/stdio.h
@@ -16,9 +16,6 @@
 #define SEEK_END        1
 #define SEEK_SET        2
 
-#define _IOFBF          0
-#define _IOLBF          1
-#define _IONBF          2
 
 #define _IOWRITE        (1 << 0)
 #define _IOREAD         (1 << 1)
@@ -27,6 +24,9 @@
 #define _IOERR          (1 << 4)
 #define _IOSTRG         (1 << 5)
 #define _IOTXT          (1 << 6)
+#define _IOFBF          (1 << 7)
+#define _IOLBF          (1 << 8)
+#define _IONBF          (1 << 9)
 
 typedef struct {
 	int fd;        	        /* file descriptor */
@@ -35,7 +35,6 @@ typedef struct {
 	unsigned char *wp;      /* write pointer */
 	unsigned char *lp;      /* write pointer used when line-buffering */
 	size_t len;             /* actual length of buffer */
-	unsigned char mode;
 	unsigned char flags;
 	unsigned char unbuf[1];  /* tiny buffer for unbuffered io */
 } FILE;
diff --git a/lib/c/src/Makefile b/lib/c/src/Makefile
@@ -10,6 +10,7 @@ OBJ = bsearch.o qsort.o \
       fputs.o puts.o fread.o fwrite.o \
       getc.o putc.o __putc.o __getc.o \
       rewind.o fseek.o ferror.o feof.o clearerr.o \
+      stdio.o \
       realloc.o calloc.o malloc.o \
       assert.o strcpy.o strcmp.o strlen.o strchr.o \
       strrchr.o strcat.o strncmp.o strncpy.o strncat.o strcoll.o \
diff --git a/lib/c/src/stdio.c b/lib/c/src/stdio.c
@@ -0,0 +1,26 @@
+
+#include <stdio.h>
+
+static unsigned char inbuf[BUFSIZ];
+static unsigned char outbuf[BUFSIZ];
+
+FILE __iob[FOPEN_MAX] = {
+	{
+		.fd = 0,
+		.buf = inbuf,
+		.len = BUFSIZ,
+		.flags = _IOREAD
+	},
+	{
+		.fd = 1,
+		.buf = outbuf,
+		.len = BUFSIZ,
+		.flags = _IOWRITE | _IOLBF
+	},
+	{
+		.fd = 2,
+		.buf = stderr->unbuf,
+		.len = sizeof(stderr->unbuf),
+		.flags = _IOWRITE
+	},
+};