libguile/strings.h

   1 /* classes: h_files */
   2
   3 #ifndef SCM_STRINGS_H
   4 #define SCM_STRINGS_H
   5
   6 /* Copyright (C) 1995,1996,1997,1998,2000,2001 Free Software Foundation, Inc.
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  21  */
  22
  23 \f
  24
  25 #include "libguile/__scm.h"
  26
  27 \f
  28
  29 #define SCM_STRINGP(x) (!SCM_IMP (x) && (SCM_TYP7 (x) == scm_tc7_string))
  30 #define SCM_STRING_UCHARS(x) ((unsigned char *) (SCM_CELL_WORD_1 (x)))
  31 #define SCM_STRING_CHARS(x) ((char *) (SCM_CELL_WORD_1 (x)))
  32 #define SCM_SET_STRING_CHARS(s, c) (SCM_SET_CELL_WORD_1 ((s), (c)))
  33 #define SCM_STRING_MAX_LENGTH ((1UL << 24) - 1UL)
  34 #define SCM_STRING_LENGTH(x) ((size_t) (SCM_CELL_WORD_0 (x) >> 8))
  35 #define SCM_MAKE_STRING_TAG(l) ((((scm_t_bits) (l)) << 8) + scm_tc7_string)
  36 #define SCM_SET_STRING_LENGTH(s, l) (SCM_SET_CELL_WORD_0 ((s), SCM_MAKE_STRING_TAG (l)))
  37
  38 \f
  39
  40 SCM_API SCM scm_string_p (SCM x);
  41 SCM_API SCM scm_string (SCM chrs);
  42 SCM_API SCM scm_makfromstrs (int argc, char **argv);
  43 SCM_API SCM scm_take_str (char *s, size_t len);
  44 SCM_API SCM scm_take0str (char *s);
  45 SCM_API SCM scm_mem2string (const char *src, size_t len);
  46 SCM_API SCM scm_str2string (const char *src);
  47 SCM_API SCM scm_makfrom0str (const char *src);
  48 SCM_API SCM scm_makfrom0str_opt (const char *src);
  49 SCM_API SCM scm_allocate_string (size_t len);
  50 SCM_API SCM scm_make_string (SCM k, SCM chr);
  51 SCM_API SCM scm_string_length (SCM str);
  52 SCM_API SCM scm_string_ref (SCM str, SCM k);
  53 SCM_API SCM scm_string_set_x (SCM str, SCM k, SCM chr);
  54 SCM_API SCM scm_substring (SCM str, SCM start, SCM end);
  55 SCM_API SCM scm_string_append (SCM args);
  56 SCM_API void scm_init_strings (void);
  57 SCM_API char *scm_c_string2str (SCM obj, char *str, size_t *lenp);
  58 SCM_API char *scm_c_substring2str (SCM obj, char *str, size_t start, size_t len);
  59
  60 \f
  61
  62 #if (SCM_ENABLE_DEPRECATED == 1)
  63
  64 #define SCM_STRING_COERCE_0TERMINATION_X(x) (x)
  65
  66 #endif
  67
  68 #endif  /* SCM_STRINGS_H */
  69
  70 /*
  71   Local Variables:
  72   c-file-style: "gnu"
  73   End:
  74 */