From: mischief <mischief@offblast.org>
To: 9front@9front.org
Subject: [PATCH 8 of 8] tput: use iounit for reads, check sbrk return value
Date: Sun, 23 Aug 2015 16:49:18 -0700 [thread overview]
Message-ID: <4d2e0315f59bc5153bd4.1440373758@delta> (raw)
In-Reply-To: <patchbomb.1440373750@delta>
# HG changeset patch
# User mischief <mischief@offblast.org>
# Date 1440366687 25200
# Sun Aug 23 14:51:27 2015 -0700
# Node ID 4d2e0315f59bc5153bd46690b0b43991f24ce121
# Parent eb135d711d3e30fa57cfa2c87d53a2ac1a1ee34d
tput: use iounit for reads, check sbrk return value
diff -r eb135d711d3e -r 4d2e0315f59b sys/src/cmd/tput.c
--- a/sys/src/cmd/tput.c Sun Aug 23 14:51:27 2015 -0700
+++ b/sys/src/cmd/tput.c Sun Aug 23 14:51:27 2015 -0700
@@ -1,10 +1,6 @@
#include <u.h>
#include <libc.h>
-int dopipe;
-int buflen = 8192;
-uvlong bc, sec;
-
void
usage(void)
{
@@ -16,9 +12,10 @@
main(int argc, char **argv)
{
double speed;
- int rc, cpid;
+ int rc, cpid, dopipe, buflen;
+ uvlong bc, sec;
char *buf;
-
+
ARGBEGIN {
case 'b':
buflen = atoi(EARGF(usage()));
@@ -32,10 +29,16 @@
if(argc != 0)
usage();
-
+
+ buflen = iounit(0);
+ if(buflen <= 0)
+ buflen = IOUNIT;
+
bc = 0;
sec = 0;
buf = sbrk(buflen);
+ if(buf == (void*)-1)
+ sysfatal("out of memory");
cpid = rfork(RFPROC | RFMEM);
if(cpid == 0) {
while(1) {
prev parent reply other threads:[~2015-08-23 23:51 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-23 23:49 [PATCH 0 of 8] 48k iounit mischief
2015-08-23 23:49 ` [PATCH 1 of 8] devmnt: set MAXRPC to IOHDRSZ+48K mischief
2015-08-23 23:49 ` [PATCH 2 of 8] libc: define default IOUNIT as 48K mischief
2015-08-23 23:49 ` [PATCH 4 of 8] cwfs: use IOUNIT as MAXDAT, fix Msgbuf count overflow when MAXDAT > 2^15-1 mischief
2015-08-23 23:49 ` [PATCH 5 of 8] dossrv: set buffer size to IOUNIT mischief
2015-08-23 23:49 ` [PATCH 6 of 8] mv: use iounit for reads mischief
2015-08-24 0:01 ` [9front] " Iruatã Souza
2015-08-24 0:03 ` Nick Owens
2015-08-23 23:49 ` [PATCH 7 of 8] tee: " mischief
2015-08-23 23:49 ` mischief [this message]
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