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author | Rob Landley <rob@landley.net> | 2012-06-22 22:14:13 -0500 |
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committer | Rob Landley <rob@landley.net> | 2012-06-22 22:14:13 -0500 |
commit | 285019a129c0dd8f5f9f0f4a6ecda74da961a449 (patch) | |
tree | 3b10f846962f3d7aa988c19ef31fb8d854a009f0 | |
parent | 97abd4a9813b0bd2f16049e2291bba076828408f (diff) | |
download | toybox-285019a129c0dd8f5f9f0f4a6ecda74da961a449.tar.gz |
Minor code refactoring.
-rw-r--r-- | lib/lib.c | 20 |
1 files changed, 9 insertions, 11 deletions
@@ -857,29 +857,27 @@ void for_each_pid_with_name_in(char **names, void (*callback)(pid_t pid)) { DIR *dp; struct dirent *entry; - char cmd[PATH_MAX], path[64]; + char cmd[sizeof(toybuf)], path[64]; char **curname; if (!(dp = opendir("/proc"))) perror_exit("opendir"); while ((entry = readdir(dp))) { - int fd; + int fd, n; if (!isdigit(*entry->d_name)) continue; if (sizeof(path) <= snprintf(path, sizeof(path), "/proc/%s/cmdline", entry->d_name)) continue; - if (-1 != (fd=xopen(path, O_RDONLY))) { - int n = read(fd, cmd, sizeof(cmd)); + if (-1 == (fd=open(path, O_RDONLY))) continue; + n = read(fd, cmd, sizeof(cmd)); + close(fd); + if (n<1) continue; - close(fd); - if (n<1) continue; - - for (curname = names; *curname; curname++) - if (!strcmp(basename(cmd), *curname)) - callback(atol(entry->d_name)); - } + for (curname = names; *curname; curname++) + if (!strcmp(basename(cmd), *curname)) + callback(atol(entry->d_name)); } closedir(dp); |