scc

commit bad1e0359187402e8c928618c513b654ad1797f8
parent 78c4546494ca40bc3b41ae4dd67bb396dee9e5bd
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Wed, 17 Oct 2018 18:20:01 +0100

[lib/c] Initialize pointers of FILE

After moving to a allocation on demand the pointers
are not longer initialized, so it means that it is
impossible to read or write a byte using stdio.

Diffstat:
M
lib/c/__getc.c
 | 
2
++
M
lib/c/__putc.c
 | 
2
++

2 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/lib/c/__getc.c b/lib/c/__getc.c
@@ -27,7 +27,9 @@ __getc(FILE *fp)
 			errno = ENOMEM;
 			return EOF;
 		}
+		fp->len = BUFSIZ;
 		fp->flags |= _IOALLOC;
+		fp->lp = fp->rp = fp->wp = fp->buf;
 	}
 
 	if ((cnt = _read(fp->fd, fp->buf, fp->len)) <= 0) {
diff --git a/lib/c/__putc.c b/lib/c/__putc.c
@@ -50,7 +50,9 @@ __putc(int ch, FILE *fp)
 			errno = ENOMEM;
 			return EOF;
 		}
+		fp->len = BUFSIZ;
 		fp->flags |= _IOALLOC;
+		fp->lp = fp->rp = fp->wp = fp->buf;
 	}
 
 	if (first) {