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err(3) already includes strerror(errno) and a trailing \n

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Peter Wemm 1997-12-06 14:42:58 +00:00
parent 8789393452
commit e09a8fd173
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=31581
1 changed files with 6 additions and 6 deletions
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12
usr.bin/truss/setup.c
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@ -3,7 +3,7 @@
* I'm afraid.
*/
/*
* $Id: setup.c,v 1.1 1997/12/06 05:23:05 sef Exp $
* $Id: setup.c,v 1.2 1997/12/06 08:01:00 sef Exp $
*/
#include <stdio.h>
@ -39,16 +39,16 @@ setup_and_wait(char *command[]) {
pid = vfork();
if (pid == -1) {
err(1, "vfork failed\n");
err(1, "vfork failed");
}
if (pid == 0) { /* Child */
int mask = S_EXEC | S_EXIT;
fd = open("/proc/curproc/mem", O_WRONLY);
if (fd == -1)
err(2, "cannot open /proc/curproc/mem: %s\n", strerror(errno));
err(2, "cannot open /proc/curproc/mem");
fcntl(fd, F_SETFD, 1);
if (ioctl(fd, PIOCBIS, &mask) == -1)
err(3, "PIOCBIS: %s\n", strerror(errno));
err(3, "PIOCBIS");
execvp(command[0], command);
mask = ~0;
ioctl(fd, PIOCBIC, &mask);
@ -66,9 +66,9 @@ setup_and_wait(char *command[]) {
sprintf(buf, "/proc/%d/mem", pid);
if ((fd = open(buf, O_RDWR)) == -1)
err(5, "cannot open %s: %s\n", buf, strerror(errno));
err(5, "cannot open %s", buf);
if (ioctl(fd, PIOCWAIT, &pfs) == -1)
err(6, "PIOCWAIT: %s\n", strerror(errno));
err(6, "PIOCWAIT");
if (pfs.why == S_EXIT) {
int zero = 0;
fprintf(stderr, "process exited before exec'ing\n");