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fix possible 1-byte overflow.

This commit is contained in:
yamt 2001-09-20 15:56:06 +00:00
parent b698d56d3c
commit 7a04f9f720
1 changed files with 6 additions and 6 deletions
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12
usr.bin/gencat/gencat.c
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@ -1,4 +1,4 @@
/* $NetBSD: gencat.c,v 1.10 2001/02/19 23:03:47 cgd Exp $ */
/* $NetBSD: gencat.c,v 1.11 2001/09/20 15:56:06 yamt Exp $ */
/*
* Copyright (c) 1996 The NetBSD Foundation, Inc.
@ -38,7 +38,7 @@
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: gencat.c,v 1.10 2001/02/19 23:03:47 cgd Exp $");
__RCSID("$NetBSD: gencat.c,v 1.11 2001/09/20 15:56:06 yamt Exp $");
#endif
/***********************************************************
@ -269,6 +269,10 @@ getline(fd)
} else
*cptr = *bptr;
}
if (cptr == cend) {
cptr = curline = xrealloc(curline, curlen *= 2);
cend = curline + curlen;
}
if (bptr == bend) {
buflen = read(fd, buf, BUFSIZ);
if (buflen <= 0) {
@ -281,10 +285,6 @@ getline(fd)
bend = buf + buflen;
bptr = buf;
}
if (cptr == cend) {
cptr = curline = xrealloc(curline, curlen *= 2);
cend = curline + curlen;
}
}
}