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The FIONREAD sysctl operates on an int *, not a size_t *.

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Reviewed by:	dd
This commit is contained in:
Thomas Moestl 2002-11-11 10:56:57 +00:00
parent 1b79652469
commit ba964e50b0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=106769
1 changed files with 8 additions and 9 deletions
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17
usr.sbin/watch/watch.c
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@ -285,8 +285,8 @@ ask_dev(char *dbuf, const char *msg)
int
main(int ac, char *av[])
{
int res, idata, rv;
size_t nread, b_size = MIN_SIZE;
int res, rv, nread;
size_t b_size = MIN_SIZE;
char ch, *buf, chb[READB_LEN];
fd_set fd_s;
@ -362,7 +362,7 @@ main(int ac, char *av[])
if (nread > READB_LEN)
nread = READB_LEN;
rv = read(std_in, chb, nread);
if (rv == -1 || (unsigned)rv != nread)
if (rv == -1 || rv != nread)
fatal(EX_IOERR, "read (stdin) failed");
switch (chb[0]) {
@ -379,7 +379,7 @@ main(int ac, char *av[])
default:
if (opt_write) {
rv = write(snp_io, chb, nread);
if (rv == -1 || (unsigned)rv != nread) {
if (rv == -1 || rv != nread) {
detach_snp();
if (opt_no_switch)
fatal(EX_IOERR,
@ -394,10 +394,10 @@ main(int ac, char *av[])
if (!FD_ISSET(snp_io, &fd_s))
continue;
if ((res = ioctl(snp_io, FIONREAD, &idata)) != 0)
if ((res = ioctl(snp_io, FIONREAD, &nread)) != 0)
fatal(EX_OSERR, "ioctl(FIONREAD)");
switch (idata) {
switch (nread) {
case SNP_OFLOW:
if (opt_reconn_oflow)
attach_snp();
@ -418,7 +418,6 @@ main(int ac, char *av[])
cleanup(-1);
break;
default:
nread = (unsigned)idata;
if (nread < (b_size / 2) && (b_size / 2) > MIN_SIZE) {
free(buf);
if (!(buf = (char *) malloc(b_size / 2)))
@ -432,10 +431,10 @@ main(int ac, char *av[])
fatal(EX_UNAVAILABLE, "malloc failed");
}
rv = read(snp_io, buf, nread);
if (rv == -1 || (unsigned)rv != nread)
if (rv == -1 || rv != nread)
fatal(EX_IOERR, "read failed");
rv = write(std_out, buf, nread);
if (rv == -1 || (unsigned)rv != nread)
if (rv == -1 || rv != nread)
fatal(EX_IOERR, "write failed");
}
} /* While */