lib/strnlen1.h

   1 /* Find the length of STRING + 1, but scan at most MAXLEN bytes.
   2    Copyright (C) 2005, 2009-2019 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program 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 General Public License for more details.
  13
  14    You should have received a copy of the GNU 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 #include <stddef.h>
  21
  22
  23 #ifdef __cplusplus
  24 extern "C" {
  25 #endif
  26
  27
  28 /* Find the length of STRING + 1, but scan at most MAXLEN bytes.
  29    If no '\0' terminator is found in that many characters, return MAXLEN.  */
  30 /* This is the same as strnlen (string, maxlen - 1) + 1.  */
  31 extern size_t strnlen1 (const char *string, size_t maxlen)
  32   _GL_ATTRIBUTE_PURE;
  33
  34
  35 #ifdef __cplusplus
  36 }
  37 #endif
  38
  39
  40 #endif /* _STRNLEN1_H */