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Allow watch(8) to use more than 10 snp* devices. This limitation was purely

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due to the way watch(8) looks for available snoop devices.

PR:		bin/118286
Submitted by:	Mykola Zubach <zuborg@advancedhosters.com>
Reviewed by:	rwatson, csjp, imp (all a long time ago)
Approved by:	imp (mentor) (long time ago)
MFC after:	1 week
This commit is contained in:
Rink Springer 2008-01-30 13:55:32 +00:00
parent 3640040a14
commit 868f9ca26a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=175824
1 changed files with 5 additions and 6 deletions
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11
usr.sbin/watch/watch.c
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@ -152,19 +152,18 @@ fatal(int error, const char *buf)
static int
open_snp(void)
{
char snp[] = {_PATH_DEV "snpX"};
char c;
int f, mode, pos;
char snp[] = {_PATH_DEV "snpXXX"};
int f, mode, pos, c;
pos = strlen(snp) - 1;
pos = strlen(snp) - 3;
if (opt_write)
mode = O_RDWR;
else
mode = O_RDONLY;
if (opt_snpdev == NULL)
for (c = '0'; c <= '9'; c++) {
snp[pos] = c;
for (c = 0; c <= 999; c++) {
snprintf(snp+pos, 4, "%d", c);
if ((f = open(snp, mode)) < 0) {
if (errno == EBUSY)
continue;