shithub: scc

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ref: 0c3e3901587c2777218d5c0749db22fd5f9669b5
parent: d481312cf28aa0d662f5699c33e6f1f4c0061bee
author: Roberto E. Vargas Caballero <[email protected]>
date: Wed Oct 17 14:20:01 EDT 2018

[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.

--- a/lib/c/__getc.c
+++ b/lib/c/__getc.c
@@ -27,7 +27,9 @@
 			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) {
--- a/lib/c/__putc.c
+++ b/lib/c/__putc.c
@@ -50,7 +50,9 @@
 			errno = ENOMEM;
 			return EOF;
 		}
+		fp->len = BUFSIZ;
 		fp->flags |= _IOALLOC;
+		fp->lp = fp->rp = fp->wp = fp->buf;
 	}
 
 	if (first) {