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Code Issues Releases Activity

Remove some unsafe function calls from the signal handlers.

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Obtained from:	OpenBSD
Reviewed by:	audit
MFC after:	2 weeks
This commit is contained in:
Kris Kennaway 2001-09-01 07:35:25 +00:00
parent 6f1e8c186f
commit ffacb1a399
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=82722
1 changed files with 14 additions and 6 deletions
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20
usr.bin/at/at.c
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@ -113,6 +113,7 @@ char atfile[] = ATJOB_DIR "12345678901234";
char *atinput = (char*)0; /* where to get input from */
char atqueue = 0; /* which queue to examine for jobs (atq) */
char atverify = 0; /* verify time instead of queuing job */
char *namep;
/* Function declarations */
@ -135,14 +136,18 @@ static void sigc(int signo)
PRIV_END
}
exit(EXIT_FAILURE);
_exit(EXIT_FAILURE);
}
static void alarmc(int signo)
{
/* Time out after some seconds
*/
panic("file locking timed out");
char buf[1024];
/* Time out after some seconds. */
strlcpy(buf, namep, sizeof(buf));
strlcat(buf, ": file locking timed out\n", sizeof(buf));
write(STDERR_FILENO, buf, strlen(buf));
sigc(0);
}
/* Local functions */
@ -611,6 +616,8 @@ main(int argc, char **argv)
else
pgm++;
namep = pgm;
/* find out what this program is supposed to do
*/
if (strcmp(pgm, "atq") == 0) {
@ -695,8 +702,9 @@ main(int argc, char **argv)
*/
if (disp_version)
fprintf(stderr, "at version " VERSION "\n"
"Bug reports to: ig25@rz.uni-karlsruhe.de (Thomas Koenig)\n");
fprintf(stderr, "%s version " VERSION "\n"
"Bug reports to: ig25@rz.uni-karlsruhe.de (Thomas Koenig)\n",
namep);
/* select our program
*/