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rewrite usage of tailp slightly, to convince gcc that it really isn't used 

initialized.
This commit is contained in:
explorer 1999-02-06 11:57:35 +00:00
parent 5890f2855d
commit 47bc7c51b7
1 changed files with 14 additions and 13 deletions
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27
sys/kern/subr_prf.c
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@ -1,4 +1,4 @@
/* $NetBSD: subr_prf.c,v 1.59 1999/02/03 01:16:20 msaitoh Exp $ */
/* $NetBSD: subr_prf.c,v 1.60 1999/02/06 11:57:35 explorer Exp $ */
/*-
* Copyright (c) 1986, 1988, 1991, 1993
@ -901,16 +901,16 @@ out:
flags&SHORTINT ? (u_long)(u_short)va_arg(ap, int) : \
(u_long)va_arg(ap, u_int))
#define KPRINTF_PUTCHAR(C) { \
if (oflags == TOBUFONLY) { \
if ((vp != NULL) && (sbuf == tailp)) { \
ret += 1; /* indicate error */ \
goto overflow; \
} \
*sbuf++ = (C); \
} else { \
putchar((C), oflags, (struct tty *)vp); \
} \
#define KPRINTF_PUTCHAR(C) { \
if (oflags == TOBUFONLY) { \
if ((vp != NULL) && (sbuf == tailp)) { \
ret += 1; /* indicate error */ \
goto overflow; \
} \
*sbuf++ = (C); \
} else { \
putchar((C), oflags, (struct tty *)vp); \
} \
}
/*
@ -943,8 +943,9 @@ kprintf(fmt0, oflags, vp, sbuf, ap)
char buf[KPRINTF_BUFSIZE]; /* space for %c, %[diouxX] */
char *tailp = NULL; /* tail pointer for snprintf */
if (oflags == TOBUFONLY)
tailp = (vp != NULL) ? *(char **)vp : NULL;
tailp = NULL;
if (oflags == TOBUFONLY && (vp != NULL))
tailp = *(char **)vp;
cp = NULL; /* XXX: shutup gcc */
size = 0; /* XXX: shutup gcc */