virpidfile: Allow whitespace character at the end of pidfile

Some programs, notably dnsmasq, which are writing pidfiles on their
own do append a whitespace character after pid, e.g. '\n'.
This commit is contained in:
Michal Privoznik 2012-02-13 14:27:15 +01:00
parent ded8e894dd
commit 9034699cb1

View File

@ -34,7 +34,7 @@
#include "intprops.h"
#include "logging.h"
#include "virterror_internal.h"
#include "c-ctype.h"
#define VIR_FROM_THIS VIR_FROM_NONE
@ -119,6 +119,7 @@ int virPidFileReadPath(const char *path,
ssize_t bytes;
long long pid_value = 0;
char pidstr[INT_BUFSIZE_BOUND(pid_value)];
char *endptr = NULL;
*pid = 0;
@ -135,7 +136,8 @@ int virPidFileReadPath(const char *path,
}
pidstr[bytes] = '\0';
if (virStrToLong_ll(pidstr, NULL, 10, &pid_value) < 0 ||
if (virStrToLong_ll(pidstr, &endptr, 10, &pid_value) < 0 ||
!(*endptr == '\0' || c_isspace(*endptr)) ||
(pid_t) pid_value != pid_value) {
rc = -1;
goto cleanup;