lib/strnlen1.h

   1 /* Find the length of STRING + 1, but scan at most MAXLEN bytes.
   2    Copyright (C) 2005, 2009-2024 Free Software Foundation, Inc.
   3
   4    This file is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU Lesser General Public License as
   6    published by the Free Software Foundation; either version 2.1 of the
   7    License, or (at your option) any later version.
   8
   9    This file is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 #ifndef _STRNLEN1_H
  18 #define _STRNLEN1_H
  19
  20 /* This file uses _GL_ATTRIBUTE_PURE.  */
  21 #if !_GL_CONFIG_H_INCLUDED
  22  #error "Please include config.h first."
  23 #endif
  24
  25 #include <stddef.h>
  26
  27
  28 #ifdef __cplusplus
  29 extern "C" {
  30 #endif
  31
  32
  33 /* Find the length of STRING + 1, but scan at most MAXLEN bytes.
  34    If no '\0' terminator is found in that many characters, return MAXLEN.  */
  35 /* This is the same as strnlen (string, maxlen - 1) + 1.  */
  36 extern size_t strnlen1 (const char *string, size_t maxlen)
  37   _GL_ATTRIBUTE_PURE;
  38
  39
  40 #ifdef __cplusplus
  41 }
  42 #endif
  43
  44
  45 #endif /* _STRNLEN1_H */