[fusl] clang-format fusl

fusl/src/passwd/getpw_a.c

 #include <pthread.h>
 #include <byteswap.h>
 #include <string.h>
 #include <unistd.h>
 #include "pwf.h"
 #include "nscd.h"
 
-static char *itoa(char *p, uint32_t x)
-{
-        // number of digits in a uint32_t + NUL
-        p += 11;
-        *--p = 0;
-        do {
-                *--p = '0' + x % 10;
-                x /= 10;
-        } while (x);
-        return p;
+static char* itoa(char* p, uint32_t x) {
+  // number of digits in a uint32_t + NUL
+  p += 11;
+  *--p = 0;
+  do {
+    *--p = '0' + x % 10;
+    x /= 10;
+  } while (x);
+  return p;
 }
 
-int __getpw_a(const char *name, uid_t uid, struct passwd *pw, char **buf, size_t *size, struct passwd **res)
-{
-        FILE *f;
-        int cs;
-        int rv = 0;
+int __getpw_a(const char* name,
+              uid_t uid,
+              struct passwd* pw,
+              char** buf,
+              size_t* size,
+              struct passwd** res) {
+  FILE* f;
+  int cs;
+  int rv = 0;
 
-        *res = 0;
+  *res = 0;
 
-        pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
+  pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
 
-        f = fopen("/etc/passwd", "rbe");
-        if (!f) {
-                rv = errno;
-                goto done;
-        }
+  f = fopen("/etc/passwd", "rbe");
+  if (!f) {
+    rv = errno;
+    goto done;
+  }
 
-        while (!(rv = __getpwent_a(f, pw, buf, size, res)) && *res) {
-                if ((name && !strcmp(name, (*res)->pw_name))
-                || (!name && (*res)->pw_uid == uid))
-                        break;
-        }
-        fclose(f);
+  while (!(rv = __getpwent_a(f, pw, buf, size, res)) && *res) {
+    if ((name && !strcmp(name, (*res)->pw_name)) ||
+        (!name && (*res)->pw_uid == uid))
+      break;
+  }
+  fclose(f);
 
-        if (!*res && (rv == 0 || rv == ENOENT || rv == ENOTDIR)) {
-                int32_t req = name ? GETPWBYNAME : GETPWBYUID;
-                const char *key;
-                int32_t passwdbuf[PW_LEN] = {0};
-                size_t len = 0;
-                char uidbuf[11] = {0};
+  if (!*res && (rv == 0 || rv == ENOENT || rv == ENOTDIR)) {
+    int32_t req = name ? GETPWBYNAME : GETPWBYUID;
+    const char* key;
+    int32_t passwdbuf[PW_LEN] = {0};
+    size_t len = 0;
+    char uidbuf[11] = {0};
 
-                if (name) {
-                        key = name;
-                } else {
-                        /* uid outside of this range can't be queried with the
-                         * nscd interface, but might happen if uid_t ever
-                         * happens to be a larger type (this is not true as of
-                         * now)
-                         */
-                        if(uid > UINT32_MAX) {
-                                rv = 0;
-                                goto done;
-                        }
-                        key = itoa(uidbuf, uid);
-                }
+    if (name) {
+      key = name;
+    } else {
+      /* uid outside of this range can't be queried with the
+       * nscd interface, but might happen if uid_t ever
+       * happens to be a larger type (this is not true as of
+       * now)
+       */
+      if (uid > UINT32_MAX) {
+        rv = 0;
+        goto done;
+      }
+      key = itoa(uidbuf, uid);
+    }
 
-                f = __nscd_query(req, key, passwdbuf, sizeof passwdbuf, (int[]){0});
-                if (!f) { rv = errno; goto done; }
+    f = __nscd_query(req, key, passwdbuf, sizeof passwdbuf, (int[]){0});
+    if (!f) {
+      rv = errno;
+      goto done;
+    }
 
-                if(!passwdbuf[PWFOUND]) { rv = 0; goto cleanup_f; }
+    if (!passwdbuf[PWFOUND]) {
+      rv = 0;
+      goto cleanup_f;
+    }
 
-                /* A zero length response from nscd is invalid. We ignore
-                 * invalid responses and just report an error, rather than
-                 * trying to do something with them.
-                 */
-                if (!passwdbuf[PWNAMELEN] || !passwdbuf[PWPASSWDLEN]
-                || !passwdbuf[PWGECOSLEN] || !passwdbuf[PWDIRLEN]
-                || !passwdbuf[PWSHELLLEN]) {
-                        rv = EIO;
-                        goto cleanup_f;
-                }
+    /* A zero length response from nscd is invalid. We ignore
+     * invalid responses and just report an error, rather than
+     * trying to do something with them.
+     */
+    if (!passwdbuf[PWNAMELEN] || !passwdbuf[PWPASSWDLEN] ||
+        !passwdbuf[PWGECOSLEN] || !passwdbuf[PWDIRLEN] ||
+        !passwdbuf[PWSHELLLEN]) {
+      rv = EIO;
+      goto cleanup_f;
+    }
 
-                if ((passwdbuf[PWNAMELEN]|passwdbuf[PWPASSWDLEN]
-                     |passwdbuf[PWGECOSLEN]|passwdbuf[PWDIRLEN]
-                     |passwdbuf[PWSHELLLEN]) >= SIZE_MAX/8) {
-                        rv = ENOMEM;
-                        goto cleanup_f;
-                }
+    if ((passwdbuf[PWNAMELEN] | passwdbuf[PWPASSWDLEN] | passwdbuf[PWGECOSLEN] |
+         passwdbuf[PWDIRLEN] | passwdbuf[PWSHELLLEN]) >= SIZE_MAX / 8) {
+      rv = ENOMEM;
+      goto cleanup_f;
+    }
 
-                len = passwdbuf[PWNAMELEN] + passwdbuf[PWPASSWDLEN]
-                    + passwdbuf[PWGECOSLEN] + passwdbuf[PWDIRLEN]
-                    + passwdbuf[PWSHELLLEN];
+    len = passwdbuf[PWNAMELEN] + passwdbuf[PWPASSWDLEN] +
+          passwdbuf[PWGECOSLEN] + passwdbuf[PWDIRLEN] + passwdbuf[PWSHELLLEN];
 
-                if (len > *size || !*buf) {
-                        char *tmp = realloc(*buf, len);
-                        if (!tmp) {
-                                rv = errno;
-                                goto cleanup_f;
-                        }
-                        *buf = tmp;
-                        *size = len;
-                }
+    if (len > *size || !*buf) {
+      char* tmp = realloc(*buf, len);
+      if (!tmp) {
+        rv = errno;
+        goto cleanup_f;
+      }
+      *buf = tmp;
+      *size = len;
+    }
 
-                if (!fread(*buf, len, 1, f)) {
-                        rv = ferror(f) ? errno : EIO;
-                        goto cleanup_f;
-                }
+    if (!fread(*buf, len, 1, f)) {
+      rv = ferror(f) ? errno : EIO;
+      goto cleanup_f;
+    }
 
-                pw->pw_name = *buf;
-                pw->pw_passwd = pw->pw_name + passwdbuf[PWNAMELEN];
-                pw->pw_gecos = pw->pw_passwd + passwdbuf[PWPASSWDLEN];
-                pw->pw_dir = pw->pw_gecos + passwdbuf[PWGECOSLEN];
-                pw->pw_shell = pw->pw_dir + passwdbuf[PWDIRLEN];
-                pw->pw_uid = passwdbuf[PWUID];
-                pw->pw_gid = passwdbuf[PWGID];
+    pw->pw_name = *buf;
+    pw->pw_passwd = pw->pw_name + passwdbuf[PWNAMELEN];
+    pw->pw_gecos = pw->pw_passwd + passwdbuf[PWPASSWDLEN];
+    pw->pw_dir = pw->pw_gecos + passwdbuf[PWGECOSLEN];
+    pw->pw_shell = pw->pw_dir + passwdbuf[PWDIRLEN];
+    pw->pw_uid = passwdbuf[PWUID];
+    pw->pw_gid = passwdbuf[PWGID];
 
-                /* Don't assume that nscd made sure to null terminate strings.
-                 * It's supposed to, but malicious nscd should be ignored
-                 * rather than causing a crash.
-                 */
-                if (pw->pw_passwd[-1] || pw->pw_gecos[-1] || pw->pw_dir[-1]
-                || pw->pw_shell[passwdbuf[PWSHELLLEN]-1]) {
-                        rv = EIO;
-                        goto cleanup_f;
-                }
+    /* Don't assume that nscd made sure to null terminate strings.
+     * It's supposed to, but malicious nscd should be ignored
+     * rather than causing a crash.
+     */
+    if (pw->pw_passwd[-1] || pw->pw_gecos[-1] || pw->pw_dir[-1] ||
+        pw->pw_shell[passwdbuf[PWSHELLLEN] - 1]) {
+      rv = EIO;
+      goto cleanup_f;
+    }
 
-                if ((name && strcmp(name, pw->pw_name))
-                || (!name && uid != pw->pw_uid)) {
-                        rv = EIO;
-                        goto cleanup_f;
-                }
+    if ((name && strcmp(name, pw->pw_name)) || (!name && uid != pw->pw_uid)) {
+      rv = EIO;
+      goto cleanup_f;
+    }
 
-
-                *res = pw;
-cleanup_f:
-                fclose(f);
-                goto done;
-        }
+    *res = pw;
+  cleanup_f:
+    fclose(f);
+    goto done;
+  }
 
 done:
-        pthread_setcancelstate(cs, 0);
-        if (rv) errno = rv;
-        return rv;
+  pthread_setcancelstate(cs, 0);
+  if (rv)
+    errno = rv;
+  return rv;
 }