[fusl] clang-format fusl

fusl/src/passwd/getgr_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 __getgr_a(const char *name, gid_t gid, struct group *gr, char **buf, size_t *size, char ***mem, size_t *nmem, struct group **res)
-{
-        FILE *f;
-        int rv = 0;
-        int cs;
+int __getgr_a(const char* name,
+              gid_t gid,
+              struct group* gr,
+              char** buf,
+              size_t* size,
+              char*** mem,
+              size_t* nmem,
+              struct group** res) {
+  FILE* f;
+  int rv = 0;
+  int cs;
 
-        *res = 0;
+  *res = 0;
 
-        pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
-        f = fopen("/etc/group", "rbe");
-        if (!f) {
-                rv = errno;
-                goto done;
-        }
+  pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
+  f = fopen("/etc/group", "rbe");
+  if (!f) {
+    rv = errno;
+    goto done;
+  }
 
-        while (!(rv = __getgrent_a(f, gr, buf, size, mem, nmem, res)) && *res) {
-                if ((name && !strcmp(name, (*res)->gr_name))
-                || (!name && (*res)->gr_gid == gid)) {
-                        break;
-                }
-        }
-        fclose(f);
+  while (!(rv = __getgrent_a(f, gr, buf, size, mem, nmem, res)) && *res) {
+    if ((name && !strcmp(name, (*res)->gr_name)) ||
+        (!name && (*res)->gr_gid == gid)) {
+      break;
+    }
+  }
+  fclose(f);
 
-        if (!*res && (rv == 0 || rv == ENOENT || rv == ENOTDIR)) {
-                int32_t req = name ? GETGRBYNAME : GETGRBYGID;
-                int32_t i;
-                const char *key;
-                int32_t groupbuf[GR_LEN] = {0};
-                size_t len = 0;
-                size_t grlist_len = 0;
-                char gidbuf[11] = {0};
-                int swap = 0;
-                char *ptr;
+  if (!*res && (rv == 0 || rv == ENOENT || rv == ENOTDIR)) {
+    int32_t req = name ? GETGRBYNAME : GETGRBYGID;
+    int32_t i;
+    const char* key;
+    int32_t groupbuf[GR_LEN] = {0};
+    size_t len = 0;
+    size_t grlist_len = 0;
+    char gidbuf[11] = {0};
+    int swap = 0;
+    char* ptr;
 
-                if (name) {
-                        key = name;
-                } else {
-                        if (gid > UINT32_MAX) {
-                                rv = 0;
-                                goto done;
-                        }
-                        key = itoa(gidbuf, gid);
-                }
+    if (name) {
+      key = name;
+    } else {
+      if (gid > UINT32_MAX) {
+        rv = 0;
+        goto done;
+      }
+      key = itoa(gidbuf, gid);
+    }
 
-                f = __nscd_query(req, key, groupbuf, sizeof groupbuf, &swap);
-                if (!f) { rv = errno; goto done; }
+    f = __nscd_query(req, key, groupbuf, sizeof groupbuf, &swap);
+    if (!f) {
+      rv = errno;
+      goto done;
+    }
 
-                if (!groupbuf[GRFOUND]) { rv = 0; goto cleanup_f; }
+    if (!groupbuf[GRFOUND]) {
+      rv = 0;
+      goto cleanup_f;
+    }
 
-                if (!groupbuf[GRNAMELEN] || !groupbuf[GRPASSWDLEN]) {
-                        rv = EIO;
-                        goto cleanup_f;
-                }
+    if (!groupbuf[GRNAMELEN] || !groupbuf[GRPASSWDLEN]) {
+      rv = EIO;
+      goto cleanup_f;
+    }
 
-                if (groupbuf[GRNAMELEN] > SIZE_MAX - groupbuf[GRPASSWDLEN]) {
-                        rv = ENOMEM;
-                        goto cleanup_f;
-                }
-                len = groupbuf[GRNAMELEN] + groupbuf[GRPASSWDLEN];
+    if (groupbuf[GRNAMELEN] > SIZE_MAX - groupbuf[GRPASSWDLEN]) {
+      rv = ENOMEM;
+      goto cleanup_f;
+    }
+    len = groupbuf[GRNAMELEN] + groupbuf[GRPASSWDLEN];
 
-                for (i = 0; i < groupbuf[GRMEMCNT]; i++) {
-                        uint32_t name_len;
-                        if (fread(&name_len, sizeof name_len, 1, f) < 1) {
-                                rv = ferror(f) ? errno : EIO;
-                                goto cleanup_f;
-                        }
-                        if (swap) {
-                                name_len = bswap_32(name_len);
-                        }
-                        if (name_len > SIZE_MAX - grlist_len
-                        || name_len > SIZE_MAX - len) {
-                                rv = ENOMEM;
-                                goto cleanup_f;
-                        }
-                        len += name_len;
-                        grlist_len += name_len;
-                }
+    for (i = 0; i < groupbuf[GRMEMCNT]; i++) {
+      uint32_t name_len;
+      if (fread(&name_len, sizeof name_len, 1, f) < 1) {
+        rv = ferror(f) ? errno : EIO;
+        goto cleanup_f;
+      }
+      if (swap) {
+        name_len = bswap_32(name_len);
+      }
+      if (name_len > SIZE_MAX - grlist_len || name_len > SIZE_MAX - len) {
+        rv = ENOMEM;
+        goto cleanup_f;
+      }
+      len += name_len;
+      grlist_len += name_len;
+    }
 
-                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;
+    }
 
-                if (groupbuf[GRMEMCNT] + 1 > *nmem) {
-                        if (groupbuf[GRMEMCNT] + 1 > SIZE_MAX/sizeof(char*)) {
-                                rv = ENOMEM;
-                                goto cleanup_f;
-                        }
-                        char **tmp = realloc(*mem, (groupbuf[GRMEMCNT]+1)*sizeof(char*));
-                        if (!tmp) {
-                                rv = errno;
-                                goto cleanup_f;
-                        }
-                        *mem = tmp;
-                        *nmem = groupbuf[GRMEMCNT] + 1;
-                }
+    if (groupbuf[GRMEMCNT] + 1 > *nmem) {
+      if (groupbuf[GRMEMCNT] + 1 > SIZE_MAX / sizeof(char*)) {
+        rv = ENOMEM;
+        goto cleanup_f;
+      }
+      char** tmp = realloc(*mem, (groupbuf[GRMEMCNT] + 1) * sizeof(char*));
+      if (!tmp) {
+        rv = errno;
+        goto cleanup_f;
+      }
+      *mem = tmp;
+      *nmem = groupbuf[GRMEMCNT] + 1;
+    }
 
-                if (groupbuf[GRMEMCNT]) {
-                        mem[0][0] = *buf + groupbuf[GRNAMELEN] + groupbuf[GRPASSWDLEN];
-                        for (ptr = mem[0][0], i = 0; ptr != mem[0][0]+grlist_len; ptr++)
-                                if (!*ptr) mem[0][++i] = ptr+1;
-                        mem[0][i] = 0;
+    if (groupbuf[GRMEMCNT]) {
+      mem[0][0] = *buf + groupbuf[GRNAMELEN] + groupbuf[GRPASSWDLEN];
+      for (ptr = mem[0][0], i = 0; ptr != mem[0][0] + grlist_len; ptr++)
+        if (!*ptr)
+          mem[0][++i] = ptr + 1;
+      mem[0][i] = 0;
 
-                        if (i != groupbuf[GRMEMCNT]) {
-                                rv = EIO;
-                                goto cleanup_f;
-                        }
-                } else {
-                        mem[0][0] = 0;
-                }
+      if (i != groupbuf[GRMEMCNT]) {
+        rv = EIO;
+        goto cleanup_f;
+      }
+    } else {
+      mem[0][0] = 0;
+    }
 
-                gr->gr_name = *buf;
-                gr->gr_passwd = gr->gr_name + groupbuf[GRNAMELEN];
-                gr->gr_gid = groupbuf[GRGID];
-                gr->gr_mem = *mem;
+    gr->gr_name = *buf;
+    gr->gr_passwd = gr->gr_name + groupbuf[GRNAMELEN];
+    gr->gr_gid = groupbuf[GRGID];
+    gr->gr_mem = *mem;
 
-                if (gr->gr_passwd[-1]
-                || gr->gr_passwd[groupbuf[GRPASSWDLEN]-1]) {
-                        rv = EIO;
-                        goto cleanup_f;
-                }
+    if (gr->gr_passwd[-1] || gr->gr_passwd[groupbuf[GRPASSWDLEN] - 1]) {
+      rv = EIO;
+      goto cleanup_f;
+    }
 
-                if ((name && strcmp(name, gr->gr_name))
-                || (!name && gid != gr->gr_gid)) {
-                        rv = EIO;
-                        goto cleanup_f;
-                }
+    if ((name && strcmp(name, gr->gr_name)) || (!name && gid != gr->gr_gid)) {
+      rv = EIO;
+      goto cleanup_f;
+    }
 
-                *res = gr;
+    *res = gr;
 
-cleanup_f:
-                fclose(f);
-                goto done;
-        }
+  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;
 }