Format with clang_format

Author: zebreus

libc-top-half/musl/src/mman/memfd_create.c

@@ -10,80 +10,84 @@
 
 #define MEMFD_NAME_MAX 249
 
-static int create_unlinked_temp(char *template_path, unsigned int flags)
-{
-	int fd;
-	if (flags & MFD_CLOEXEC) {
-		fd = mkostemp(template_path, O_CLOEXEC);
-	} else {
-		fd = mkstemp(template_path);
-	}
-	if (fd < 0) return -1;
+static int create_unlinked_temp(char *template_path, unsigned int flags) {
+  int fd;
+  if (flags & MFD_CLOEXEC) {
+    fd = mkostemp(template_path, O_CLOEXEC);
+  } else {
+    fd = mkstemp(template_path);
+  }
+  if (fd < 0)
+    return -1;
 
-	if (unlink(template_path) != 0) {
-		int saved_errno = errno;
-		close(fd);
-		errno = saved_errno;
-		return -1;
-	}
+  if (unlink(template_path) != 0) {
+    int saved_errno = errno;
+    close(fd);
+    errno = saved_errno;
+    return -1;
+  }
 
-	return fd;
+  return fd;
 }
 
 // Returns the length of the name without the null character.
-// If the returned length == dst_len, the src was too long. dst is not null terminated in this case.
-static int sanitize_name(char *dst, size_t dst_len, const char *src)
-{
-	size_t i = 0;
+// If the returned length == dst_len, the src was too long. dst is not null
+// terminated in this case.
+static int sanitize_name(char *dst, size_t dst_len, const char *src) {
+  size_t i = 0;
 
-	while (i < dst_len && src[i] != '\0') {
-		unsigned char c = (unsigned char)src[i];
-		if (isalnum(c) || c == '_' || c == '-' || c == '.') {
-			dst[i] = (char)c;
-		} else {
-			dst[i] = '_';
-		}
-		i++;
-	}
+  while (i < dst_len && src[i] != '\0') {
+    unsigned char c = (unsigned char)src[i];
+    if (isalnum(c) || c == '_' || c == '-' || c == '.') {
+      dst[i] = (char)c;
+    } else {
+      dst[i] = '_';
+    }
+    i++;
+  }
 
-	return i;
+  return i;
 }
 
+int memfd_create(const char *name, unsigned int flags) {
+  if (flags & ~(MFD_CLOEXEC | MFD_ALLOW_SEALING | MFD_HUGETLB)) {
+    errno = EINVAL;
+    return -1;
+  }
 
-int memfd_create(const char *name, unsigned int flags)
-{
-	if (flags & ~(MFD_CLOEXEC | MFD_ALLOW_SEALING | MFD_HUGETLB)) {
-		errno = EINVAL;
-		return -1;
-	}
+  if (flags & (MFD_HUGETLB | MFD_ALLOW_SEALING)) {
+    /* Seals are not currently supported by the WASIX fcntl subset. */
+    /* hugetlbfs is not currently supported by the WASIX filesystem subset. */
+    errno = ENOTSUP;
+    return -1;
+  }
 
-	if (flags & (MFD_HUGETLB | MFD_ALLOW_SEALING)) {
-		/* Seals are not currently supported by the WASIX fcntl subset. */
-		/* hugetlbfs is not currently supported by the WASIX filesystem subset. */
-		errno = ENOTSUP;
-		return -1;
-	}
+  if (name == NULL) {
+    errno = EFAULT;
+    return -1;
+  }
 
-	if (name == NULL) {
-		errno = EFAULT;
-		return -1;
-	}
+  // Construct a string like "/tmp/.memfd-<name>-XXXXXX"
+  char tmp_template[sizeof("/tmp/.memfd-") - 1 + MEMFD_NAME_MAX +
+                    sizeof("-XXXXXX") - 1 + 1];
+  memcpy(tmp_template, "/tmp/.memfd-", sizeof("/tmp/.memfd-") - 1);
+  int name_len = sanitize_name(tmp_template + sizeof("/tmp/.memfd-") - 1,
+                               MEMFD_NAME_MAX + 1, name);
+  if (name_len > MEMFD_NAME_MAX) {
+    errno = EINVAL;
+    return -1;
+  }
+  memcpy(tmp_template + sizeof("/tmp/.memfd-") - 1 + name_len, "-XXXXXX",
+         sizeof("-XXXXXX"));
 
-	// Construct a string like "/tmp/.memfd-<name>-XXXXXX"
-	char tmp_template[sizeof("/tmp/.memfd-")-1 + MEMFD_NAME_MAX + sizeof("-XXXXXX")-1 + 1];
-	memcpy(tmp_template, "/tmp/.memfd-", sizeof("/tmp/.memfd-") -1);
-	int name_len = sanitize_name(tmp_template + sizeof("/tmp/.memfd-") - 1, MEMFD_NAME_MAX + 1, name);
-	if (name_len > MEMFD_NAME_MAX) {
-		errno = EINVAL;
-		return -1;
-	}
-	memcpy(tmp_template + sizeof("/tmp/.memfd-") - 1 + name_len, "-XXXXXX", sizeof("-XXXXXX"));
+  return create_unlinked_temp(tmp_template, flags);
+  if (fd >= 0)
+    return fd;
 
-	return create_unlinked_temp(tmp_template, flags);
-	if (fd >= 0) return fd;
-
-	// If that failed, try ".memfd-<name>-XXXXXX" in the current working directory.
-	// Restore the -XXXXXX placeholder because it got overwritten by the previous call to mkstemp.
-	memcpy(tmp_template + sizeof("/tmp/.memfd-") - 1 + name_len, "-XXXXXX", sizeof("-XXXXXX"));
-	return create_unlinked_temp(tmp_template + sizeof("/tmp/") - 1, flags);
+  // If that failed, try ".memfd-<name>-XXXXXX" in the current working
+  // directory. Restore the -XXXXXX placeholder because it got overwritten by
+  // the previous call to mkstemp.
+  memcpy(tmp_template + sizeof("/tmp/.memfd-") - 1 + name_len, "-XXXXXX",
+         sizeof("-XXXXXX"));
+  return create_unlinked_temp(tmp_template + sizeof("/tmp/") - 1, flags);
 }