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authorRay Lai <ray@cvs.openbsd.org>2007-10-08 04:15:11 +0000
committerRay Lai <ray@cvs.openbsd.org>2007-10-08 04:15:11 +0000
commit5fe5ffe7fab12d593fcc5f9f1fe293422159975c (patch)
treee9ef1e00e88efb41bb514e076c4f751076937633 /sys/kern/subr_prf.c
parentd0c845c7b1227d01bb96b1352d94bfa7cf9955b4 (diff)
Introduce %z for printf(9), like %z for printf(3). Used to print
size_t and ssize_t variables. OK miod and cthulhu.
Diffstat (limited to 'sys/kern/subr_prf.c')
-rw-r--r--sys/kern/subr_prf.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/sys/kern/subr_prf.c b/sys/kern/subr_prf.c
index fce6e7024c0..3974da632f6 100644
--- a/sys/kern/subr_prf.c
+++ b/sys/kern/subr_prf.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: subr_prf.c,v 1.71 2007/09/01 11:54:49 miod Exp $ */
+/* $OpenBSD: subr_prf.c,v 1.72 2007/10/08 04:15:10 ray Exp $ */
/* $NetBSD: subr_prf.c,v 1.45 1997/10/24 18:14:25 chuck Exp $ */
/*-
@@ -633,6 +633,7 @@ vsnprintf(char *buf, size_t size, const char *fmt, va_list ap)
#define SHORTINT 0x040 /* short integer */
#define ZEROPAD 0x080 /* zero (as opposed to blank) pad */
#define FPT 0x100 /* Floating point number */
+#define SIZEINT 0x200 /* (signed) size_t */
/*
* To extend shorts properly, we need both signed and unsigned
@@ -641,11 +642,13 @@ vsnprintf(char *buf, size_t size, const char *fmt, va_list ap)
#define SARG() \
(flags&QUADINT ? va_arg(ap, quad_t) : \
flags&LONGINT ? va_arg(ap, long) : \
+ flags&SIZEINT ? va_arg(ap, ssize_t) : \
flags&SHORTINT ? (long)(short)va_arg(ap, int) : \
(long)va_arg(ap, int))
#define UARG() \
(flags&QUADINT ? va_arg(ap, u_quad_t) : \
flags&LONGINT ? va_arg(ap, u_long) : \
+ flags&SIZEINT ? va_arg(ap, size_t) : \
flags&SHORTINT ? (u_long)(u_short)va_arg(ap, int) : \
(u_long)va_arg(ap, u_int))
@@ -833,6 +836,9 @@ reswitch: switch (ch) {
case 'q':
flags |= QUADINT;
goto rflag;
+ case 'z':
+ flags |= SIZEINT;
+ goto rflag;
case 'c':
*(cp = buf) = va_arg(ap, int);
size = 1;
@@ -857,6 +863,8 @@ reswitch: switch (ch) {
*va_arg(ap, long *) = ret;
else if (flags & SHORTINT)
*va_arg(ap, short *) = ret;
+ else if (flags & SIZEINT)
+ *va_arg(ap, ssize_t *) = ret;
else
*va_arg(ap, int *) = ret;
continue; /* no output */