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Eliminate more unnecessary code (pid file checking)

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This commit is contained in:
Michael Stapelberg 2009-01-25 19:54:41 +01:00
parent a9bf807cdd
commit a85e482f7b
1 changed files with 7 additions and 12 deletions
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19
wmiistatus.c
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@ -282,7 +282,9 @@ static char *get_battery_info() {
}
/*
* Just parses /proc/net/wireless
* Just parses /proc/net/wireless looking for lines beginning with
* wlan_interface, extracting the quality of the link and adding the
* current IP address of wlan_interface.
*
*/
static char *get_wireless_info() {
@ -387,30 +389,23 @@ static char *get_eth_info() {
*/
static bool process_runs(const char *path) {
char pidbuf[512],
procbuf[512],
*walk;
procbuf[512];
ssize_t n;
static glob_t globbuf;
struct stat statbuf;
const char *real_path;
int fd;
if (glob(path, GLOB_NOCHECK | GLOB_TILDE, NULL, &globbuf) < 0)
die("glob() failed");
real_path = (globbuf.gl_pathc > 0 ? globbuf.gl_pathv[0] : path);
fd = open(real_path, O_RDONLY);
fd = open((globbuf.gl_pathc > 0 ? globbuf.gl_pathv[0] : path), O_RDONLY);
globfree(&globbuf);
if (fd < 0)
return false;
if ((n = read(fd, pidbuf, sizeof(pidbuf))) > 0)
pidbuf[n] = '\0';
(void)close(fd);
for (walk = pidbuf; *walk != '\0'; walk++)
if (!isdigit((int)(*walk))) {
*walk = '\0';
break;
}
(void)snprintf(procbuf, sizeof(procbuf), "/proc/%s", pidbuf);
(void)snprintf(procbuf, sizeof(procbuf), "/proc/%d", strtol(pidbuf, NULL, 10));
return (stat(procbuf, &statbuf) >= 0);
}