/* Try to get the process ID of a given process. */
static PIDQ *pidof(char *prog)
{
struct stat st;
int dostat = 0;
PROC *p;
PIDQ *q;
char *s;
int foundone = 0;
int ok = 0;
/* Try to stat the executable. */
if (prog[0] == '/' && stat(prog, &st) == 0) dostat++;
/* Get basename of program. */
if ((s = strrchr(prog, '/')) == NULL)
s = prog;
else
s++;
q = (PIDQ *)malloc(sizeof(PIDQ));
q = init_pid_q(q);
/* First try to find a match based on dev/ino pair. */
if (dostat) {
for (p = plist; p; p = p->next) {
if (p->dev == st.st_dev && p->ino == st.st_ino) {
add_pid_to_q(q, p);
foundone++;
}
}
}
/* If we didn't find a match based on dev/ino, try the name. */
if (!foundone) {
for (p = plist; p; p = p->next) {
ok = 0;
ok += (strcmp(p->fullname, prog) == 0);
ok += (strcmp(p->basename, s) == 0);
if (p->fullname[0] == 0 ||
strchr(p->fullname, ' ') ||
scripts_too)
ok += (strcmp(p->statname, s) == 0);
if (ok) add_pid_to_q(q, p);
}
}
return q;
}
/* Try to get the process ID of a given process. */
PIDQ_HEAD *pidof(char *prog)
{
PROC *p;
PIDQ_HEAD *q;
struct stat st;
char *s;
int dostat = 0;
int foundone = 0;
int ok = 0;
if (! prog)
return NULL;
/* Get basename of program. */
if ((s = strrchr(prog, '/')) == NULL)
s = prog;
else
s++;
if (! *s)
return NULL;
q = (PIDQ_HEAD *)xmalloc(sizeof(PIDQ_HEAD));
q = init_pid_q(q);
/* Try to stat the executable. */
if (prog[0] == '/' && stat(prog, &st) == 0)
dostat++;
/* First try to find a match based on dev/ino pair. */
if (dostat) {
for (p = plist; p; p = p->next) {
if (p->dev == st.st_dev && p->ino == st.st_ino) {
add_pid_to_q(q, p);
foundone++;
}
}
}
/* If we didn't find a match based on dev/ino, try the name. */
if (!foundone) for (p = plist; p; p = p->next) {
ok = 0;
/* matching nonmatching
* proc name prog name prog name
* --- ----------- ------------
* b b, p/b, q/b
* p/b b, p/b q/b
*
* Algorithm: Match if:
* cmd = arg
* or cmd = base(arg)
* or base(cmd) = arg
*
* Specifically, do not match just because base(cmd) = base(arg)
* as was done in earlier versions of this program, since this
* allows /aaa/foo to match /bbb/foo .
*/
ok |=
(p->argv0 && strcmp(p->argv0, prog) == 0)
|| (p->argv0 && s != prog && strcmp(p->argv0, s) == 0)
|| (p->argv0base && strcmp(p->argv0base, prog) == 0);
/* For scripts, compare argv[1] as well. */
if (
scripts_too && p->statname && p->argv1base
&& !strncmp(p->statname, p->argv1base, STATNAMELEN)
) {
ok |=
(p->argv1 && strcmp(p->argv1, prog) == 0)
|| (p->argv1 && s != prog && strcmp(p->argv1, s) == 0)
|| (p->argv1base && strcmp(p->argv1base, prog) == 0);
}
/*
* if we have a space in argv0, process probably
* used setproctitle so try statname.
*/
if (strlen(s) <= STATNAMELEN &&
(p->argv0 == NULL ||
p->argv0[0] == 0 ||
strchr(p->argv0, ' '))) {
ok |= (strcmp(p->statname, s) == 0);
}
if (ok) add_pid_to_q(q, p);
}
return q;
}
/* Try to get the process ID of a given process. */
PIDQ_HEAD *pidof(char *prog)
{
PROC *p;
PIDQ_HEAD *q;
struct stat st;
char *s;
int dostat = 0;
int foundone = 0;
int ok = 0;
/* Try to stat the executable. */
if (prog[0] == '/' && stat(prog, &st) == 0) dostat++;
/* Get basename of program. */
if ((s = strrchr(prog, '/')) == NULL)
s = prog;
else
s++;
q = (PIDQ_HEAD *)xmalloc(sizeof(PIDQ_HEAD));
q = init_pid_q(q);
/* First try to find a match based on dev/ino pair. */
if (dostat) {
for (p = plist; p; p = p->next) {
if (p->dev == st.st_dev && p->ino == st.st_ino) {
add_pid_to_q(q, p);
foundone++;
}
}
}
/* If we didn't find a match based on dev/ino, try the name. */
if (!foundone) for (p = plist; p; p = p->next) {
ok = 0;
/* Compare name (both basename and full path) */
ok += (p->argv0 && strcmp(p->argv0, prog) == 0);
ok += (p->argv0 && strcmp(p->argv0base, s) == 0);
/* For scripts, compare argv[1] as well. */
if (scripts_too && p->argv1 &&
!strncmp(p->statname, p->argv1base, STATNAMELEN)) {
ok += (strcmp(p->argv1, prog) == 0);
ok += (strcmp(p->argv1base, s) == 0);
}
/*
* if we have a space in argv0, process probably
* used setproctitle so try statname.
*/
if (strlen(s) <= STATNAMELEN &&
(p->argv0 == NULL ||
p->argv0[0] == 0 ||
strchr(p->argv0, ' '))) {
ok += (strcmp(p->statname, s) == 0);
}
if (ok) add_pid_to_q(q, p);
}
return q;
}
