path: root/src/nvim/strings.c

// This is an open source non-commercial project. Dear PVS-Studio, please check
// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com

#include <assert.h>
#include <inttypes.h>
#include <math.h>
#include <stdarg.h>
#include <stdbool.h>
#include <string.h>

#include "nvim/ascii.h"
#include "nvim/assert.h"
#include "nvim/buffer.h"
#include "nvim/charset.h"
#include "nvim/diff.h"
#include "nvim/edit.h"
#include "nvim/eval.h"
#include "nvim/eval/encode.h"
#include "nvim/ex_cmds.h"
#include "nvim/ex_docmd.h"
#include "nvim/ex_getln.h"
#include "nvim/file_search.h"
#include "nvim/fileio.h"
#include "nvim/fold.h"
#include "nvim/func_attr.h"
#include "nvim/getchar.h"
#include "nvim/mark.h"
#include "nvim/math.h"
#include "nvim/mbyte.h"
#include "nvim/memfile.h"
#include "nvim/memline.h"
#include "nvim/memory.h"
#include "nvim/message.h"
#include "nvim/move.h"
#include "nvim/ops.h"
#include "nvim/option.h"
#include "nvim/os/os.h"
#include "nvim/os/shell.h"
#include "nvim/os_unix.h"
#include "nvim/path.h"
#include "nvim/quickfix.h"
#include "nvim/regexp.h"
#include "nvim/screen.h"
#include "nvim/search.h"
#include "nvim/spell.h"
#include "nvim/strings.h"
#include "nvim/syntax.h"
#include "nvim/tag.h"
#include "nvim/vim.h"
#include "nvim/window.h"

/// Copy "string" into newly allocated memory.
char_u *vim_strsave(const char_u *string)
  FUNC_ATTR_NONNULL_RET FUNC_ATTR_MALLOC FUNC_ATTR_NONNULL_ALL
{
  return (char_u *)xstrdup((char *)string);
}

/// Copy up to `len` bytes of `string` into newly allocated memory and
/// terminate with a NUL. The allocated memory always has size `len + 1`, even
/// when `string` is shorter.
char_u *vim_strnsave(const char_u *string, size_t len)
  FUNC_ATTR_NONNULL_RET FUNC_ATTR_MALLOC FUNC_ATTR_NONNULL_ALL
{
  // strncpy is intentional: some parts of Vim use `string` shorter than `len`
  // and expect the remainder to be zeroed out.
  return (char_u