Eliminate more unnecessary code (pid file checking)

diff --git a/wmiistatus.c b/wmiistatus.c
index 2f87d9259591308b40fc864e483d9d7dec974014..c1dc2148da052869aea7f4f041f26b5a67fe23b3 100644 (file)
--- a/wmiistatus.c
+++ b/wmiistatus.c
@@ -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);
 }