[fusl] clang-format fusl

fusl/src/misc/wordexp.c

Index: fusl/src/misc/wordexp.c
diff --git a/fusl/src/misc/wordexp.c b/fusl/src/misc/wordexp.c
index db39b5b8a3e3dee78bf6a54c1af3a1e23013c72b..87a1ba223058e4e97403279ec0d2b7d06e9abef8 100644
--- a/fusl/src/misc/wordexp.c
+++ b/fusl/src/misc/wordexp.c
@@ -11,183 +11,198 @@
 #include <fcntl.h>
 #include "pthread_impl.h"
 
-static void reap(pid_t pid)
-{
-	int status;
-	for (;;) {
-		if (waitpid(pid, &status, 0) < 0) {
-			if (errno != EINTR) return;
-		} else {
-			if (WIFEXITED(status)) return;
-		}
-	}
+static void reap(pid_t pid) {
+  int status;
+  for (;;) {
+    if (waitpid(pid, &status, 0) < 0) {
+      if (errno != EINTR)
+        return;
+    } else {
+      if (WIFEXITED(status))
+        return;
+    }
+  }
 }
 
-static char *getword(FILE *f)
-{
-	char *s = 0;
-	return getdelim(&s, (size_t [1]){0}, 0, f) < 0 ? 0 : s;
+static char* getword(FILE* f) {
+  char* s = 0;
+  return getdelim(&s, (size_t[1]){0}, 0, f) < 0 ? 0 : s;
 }
 
-static int do_wordexp(const char *s, wordexp_t *we, int flags)
-{
-	size_t i, l;
-	int sq=0, dq=0;
-	size_t np=0;
-	char *w, **tmp;
-	char *redir = (flags & WRDE_SHOWERR) ? "" : "2>/dev/null";
-	int err = 0;
-	FILE *f;
-	size_t wc = 0;
-	char **wv = 0;
-	int p[2];
-	pid_t pid;
-	sigset_t set;
-
-	if (flags & WRDE_REUSE) wordfree(we);
-
-	if (flags & WRDE_NOCMD) for (i=0; s[i]; i++) switch (s[i]) {
-	case '\\':
-		if (!sq) i++;
-		break;
-	case '\'':
-		if (!dq) sq^=1;
-		break;
-	case '"':
-		if (!sq) dq^=1;
-		break;
-	case '(':
-		if (np) {
-			np++;
-			break;
-		}
-	case ')':
-		if (np) {
-			np--;
-			break;
-		}
-	case '\n':
-	case '|':
-	case '&':
-	case ';':
-	case '<':
-	case '>':
-	case '{':
-	case '}':
-		if (!(sq|dq|np)) return WRDE_BADCHAR;
-		break;
-	case '$':
-		if (sq) break;
-		if (s[i+1]=='(' && s[i+2]=='(') {
-			i += 2;
-			np += 2;
-			break;
-		} else if (s[i+1] != '(') break;
-	case '`':
-		if (sq) break;
-		return WRDE_CMDSUB;
-	}
-
-	if (flags & WRDE_APPEND) {
-		wc = we->we_wordc;
-		wv = we->we_wordv;
-	}
-
-	i = wc;
-	if (flags & WRDE_DOOFFS) {
-		if (we->we_offs > SIZE_MAX/sizeof(void *)/4)
-			goto nospace;
-		i += we->we_offs;
-	} else {
-		we->we_offs = 0;
-	}
-
-	if (pipe2(p, O_CLOEXEC) < 0) goto nospace;
-	__block_all_sigs(&set);
-	pid = fork();
-	__restore_sigs(&set);
-	if (pid < 0) {
-		close(p[0]);
-		close(p[1]);
-		goto nospace;
-	}
-	if (!pid) {
-		if (p[1] == 1) fcntl(1, F_SETFD, 0);
-		else dup2(p[1], 1);
-		execl("/bin/sh", "sh", "-c",
-			"eval \"printf %s\\\\\\\\0 x $1 $2\"",
-			"sh", s, redir, (char *)0);
-		_exit(1);
-	}
-	close(p[1]);
-	
-	f = fdopen(p[0], "r");
-	if (!f) {
-		close(p[0]);
-		kill(pid, SIGKILL);
-		reap(pid);
-		goto nospace;
-	}
-
-	l = wv ? i+1 : 0;
-
-	free(getword(f));
-	if (feof(f)) {
-		fclose(f);
-		reap(pid);
-		return WRDE_SYNTAX;
-	}
-
-	while ((w = getword(f))) {
-		if (i+1 >= l) {
-			l += l/2+10;
-			tmp = realloc(wv, l*sizeof(char *));
-			if (!tmp) break;
-			wv = tmp;
-		}
-		wv[i++] = w;
-		wv[i] = 0;
-	}
-	if (!feof(f)) err = WRDE_NOSPACE;
-
-	fclose(f);
-	reap(pid);
-
-	if (!wv) wv = calloc(i+1, sizeof *wv);
-
-	we->we_wordv = wv;
-	we->we_wordc = i;
-
-	if (flags & WRDE_DOOFFS) {
-		if (wv) for (i=we->we_offs; i; i--)
-			we->we_wordv[i-1] = 0;
-		we->we_wordc -= we->we_offs;
-	}
-	return err;
+static int do_wordexp(const char* s, wordexp_t* we, int flags) {
+  size_t i, l;
+  int sq = 0, dq = 0;
+  size_t np = 0;
+  char *w, **tmp;
+  char* redir = (flags & WRDE_SHOWERR) ? "" : "2>/dev/null";
+  int err = 0;
+  FILE* f;
+  size_t wc = 0;
+  char** wv = 0;
+  int p[2];
+  pid_t pid;
+  sigset_t set;
+
+  if (flags & WRDE_REUSE)
+    wordfree(we);
+
+  if (flags & WRDE_NOCMD)
+    for (i = 0; s[i]; i++)
+      switch (s[i]) {
+        case '\\':
+          if (!sq)
+            i++;
+          break;
+        case '\'':
+          if (!dq)
+            sq ^= 1;
+          break;
+        case '"':
+          if (!sq)
+            dq ^= 1;
+          break;
+        case '(':
+          if (np) {
+            np++;
+            break;
+          }
+        case ')':
+          if (np) {
+            np--;
+            break;
+          }
+        case '\n':
+        case '|':
+        case '&':
+        case ';':
+        case '<':
+        case '>':
+        case '{':
+        case '}':
+          if (!(sq | dq | np))
+            return WRDE_BADCHAR;
+          break;
+        case '$':
+          if (sq)
+            break;
+          if (s[i + 1] == '(' && s[i + 2] == '(') {
+            i += 2;
+            np += 2;
+            break;
+          } else if (s[i + 1] != '(')
+            break;
+        case '`':
+          if (sq)
+            break;
+          return WRDE_CMDSUB;
+      }
+
+  if (flags & WRDE_APPEND) {
+    wc = we->we_wordc;
+    wv = we->we_wordv;
+  }
+
+  i = wc;
+  if (flags & WRDE_DOOFFS) {
+    if (we->we_offs > SIZE_MAX / sizeof(void*) / 4)
+      goto nospace;
+    i += we->we_offs;
+  } else {
+    we->we_offs = 0;
+  }
+
+  if (pipe2(p, O_CLOEXEC) < 0)
+    goto nospace;
+  __block_all_sigs(&set);
+  pid = fork();
+  __restore_sigs(&set);
+  if (pid < 0) {
+    close(p[0]);
+    close(p[1]);
+    goto nospace;
+  }
+  if (!pid) {
+    if (p[1] == 1)
+      fcntl(1, F_SETFD, 0);
+    else
+      dup2(p[1], 1);
+    execl("/bin/sh", "sh", "-c", "eval \"printf %s\\\\\\\\0 x $1 $2\"", "sh", s,
+          redir, (char*)0);
+    _exit(1);
+  }
+  close(p[1]);
+
+  f = fdopen(p[0], "r");
+  if (!f) {
+    close(p[0]);
+    kill(pid, SIGKILL);
+    reap(pid);
+    goto nospace;
+  }
+
+  l = wv ? i + 1 : 0;
+
+  free(getword(f));
+  if (feof(f)) {
+    fclose(f);
+    reap(pid);
+    return WRDE_SYNTAX;
+  }
+
+  while ((w = getword(f))) {
+    if (i + 1 >= l) {
+      l += l / 2 + 10;
+      tmp = realloc(wv, l * sizeof(char*));
+      if (!tmp)
+        break;
+      wv = tmp;
+    }
+    wv[i++] = w;
+    wv[i] = 0;
+  }
+  if (!feof(f))
+    err = WRDE_NOSPACE;
+
+  fclose(f);
+  reap(pid);
+
+  if (!wv)
+    wv = calloc(i + 1, sizeof *wv);
+
+  we->we_wordv = wv;
+  we->we_wordc = i;
+
+  if (flags & WRDE_DOOFFS) {
+    if (wv)
+      for (i = we->we_offs; i; i--)
+        we->we_wordv[i - 1] = 0;
+    we->we_wordc -= we->we_offs;
+  }
+  return err;
 
 nospace:
-	if (!(flags & WRDE_APPEND)) {
-		we->we_wordc = 0;
-		we->we_wordv = 0;
-	}
-	return WRDE_NOSPACE;
+  if (!(flags & WRDE_APPEND)) {
+    we->we_wordc = 0;
+    we->we_wordv = 0;
+  }
+  return WRDE_NOSPACE;
 }
 
-int wordexp(const char *restrict s, wordexp_t *restrict we, int flags)
-{
-	int r, cs;
-	pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
-	r = do_wordexp(s, we, flags);
-	pthread_setcancelstate(cs, 0);
-	return r;
+int wordexp(const char* restrict s, wordexp_t* restrict we, int flags) {
+  int r, cs;
+  pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
+  r = do_wordexp(s, we, flags);
+  pthread_setcancelstate(cs, 0);
+  return r;
 }
 
-void wordfree(wordexp_t *we)
-{
-	size_t i;
-	if (!we->we_wordv) return;
-	for (i=0; i<we->we_wordc; i++) free(we->we_wordv[we->we_offs+i]);
-	free(we->we_wordv);
-	we->we_wordv = 0;
-	we->we_wordc = 0;
+void wordfree(wordexp_t* we) {
+  size_t i;
+  if (!we->we_wordv)
+    return;
+  for (i = 0; i < we->we_wordc; i++)
+    free(we->we_wordv[we->we_offs + i]);
+  free(we->we_wordv);
+  we->we_wordv = 0;
+  we->we_wordc = 0;
 }