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0f2d19dd JB |
1 | /* classes: h_files */ |
2 | ||
36284627 DH |
3 | #ifndef SCM_STRINGS_H |
4 | #define SCM_STRINGS_H | |
5 | /* Copyright (C) 1995,1996,1997,1998,2000,2001 Free Software Foundation, Inc. | |
0f2d19dd JB |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2, or (at your option) | |
10 | * any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this software; see the file COPYING. If not, write to | |
82892bed JB |
19 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
20 | * Boston, MA 02111-1307 USA | |
0f2d19dd JB |
21 | * |
22 | * As a special exception, the Free Software Foundation gives permission | |
23 | * for additional uses of the text contained in its release of GUILE. | |
24 | * | |
25 | * The exception is that, if you link the GUILE library with other files | |
26 | * to produce an executable, this does not by itself cause the | |
27 | * resulting executable to be covered by the GNU General Public License. | |
28 | * Your use of that executable is in no way restricted on account of | |
29 | * linking the GUILE library code into it. | |
30 | * | |
31 | * This exception does not however invalidate any other reasons why | |
32 | * the executable file might be covered by the GNU General Public License. | |
33 | * | |
34 | * This exception applies only to the code released by the | |
35 | * Free Software Foundation under the name GUILE. If you copy | |
36 | * code from other Free Software Foundation releases into a copy of | |
37 | * GUILE, as the General Public License permits, the exception does | |
38 | * not apply to the code that you add in this way. To avoid misleading | |
39 | * anyone as to the status of such modified files, you must delete | |
40 | * this exception notice from them. | |
41 | * | |
42 | * If you write modifications of your own for GUILE, it is your choice | |
43 | * whether to permit this exception to apply to your modifications. | |
82892bed | 44 | * If you do not wish that, delete this exception notice. */ |
d3a6bc94 | 45 | |
0f2d19dd JB |
46 | \f |
47 | ||
b4309c3c | 48 | #include "libguile/__scm.h" |
0f2d19dd JB |
49 | |
50 | \f | |
51 | ||
36284627 | 52 | #define SCM_STRINGP(x) (!SCM_IMP (x) && (SCM_TYP7S (x) == scm_tc7_string)) |
f0942910 | 53 | #if (SCM_DEBUG_DEPRECATED == 1) |
a002f1a2 | 54 | #define SCM_STRING_UCHARS(x) ((unsigned char *) (SCM_CELL_WORD_1 (x))) |
c1aef037 | 55 | #define SCM_STRING_CHARS(x) ((char *) (SCM_CELL_WORD_1 (x))) |
f0942910 | 56 | #endif |
6a0476fd | 57 | #define SCM_SET_STRING_CHARS(s, c) (SCM_SET_CELL_WORD_1 ((s), (c))) |
2635d5ef MV |
58 | #define SCM_STRING_MAX_LENGTH ((1UL << 24) - 1UL) |
59 | #define SCM_STRING_LENGTH(x) ((size_t) (SCM_CELL_WORD_0 (x) >> 8)) | |
93778877 | 60 | #define SCM_SET_STRING_LENGTH(s, l) (SCM_SET_CELL_WORD_0 ((s), ((l) << 8) + scm_tc7_string)) |
0f2d19dd | 61 | |
e9bfab50 | 62 | #define SCM_STRING_COERCE_0TERMINATION_X(x) \ |
36284627 DH |
63 | { if (!SCM_IMP (x) && (SCM_TYP7 (x) == scm_tc7_substring)) \ |
64 | x = scm_mem2string (SCM_STRING_CHARS (x), SCM_STRING_LENGTH (x)); } | |
e9bfab50 | 65 | |
0f2d19dd JB |
66 | \f |
67 | ||
bd9e24b3 GH |
68 | extern SCM scm_string_p (SCM x); |
69 | extern SCM scm_read_only_string_p (SCM x); | |
70 | extern SCM scm_string (SCM chrs); | |
bd9e24b3 | 71 | extern SCM scm_makfromstrs (int argc, char **argv); |
1be6b49c | 72 | extern SCM scm_take_str (char *s, size_t len); |
bd9e24b3 | 73 | extern SCM scm_take0str (char *s); |
36284627 | 74 | extern SCM scm_mem2string (const char *src, size_t len); |
bd9e24b3 GH |
75 | extern SCM scm_makfrom0str (const char *src); |
76 | extern SCM scm_makfrom0str_opt (const char *src); | |
1be6b49c | 77 | extern SCM scm_allocate_string (size_t len); |
bd9e24b3 GH |
78 | extern SCM scm_make_string (SCM k, SCM chr); |
79 | extern SCM scm_string_length (SCM str); | |
80 | extern SCM scm_string_ref (SCM str, SCM k); | |
81 | extern SCM scm_string_set_x (SCM str, SCM k, SCM chr); | |
82 | extern SCM scm_substring (SCM str, SCM start, SCM end); | |
83 | extern SCM scm_string_append (SCM args); | |
bd9e24b3 | 84 | extern void scm_init_strings (void); |
0f2d19dd | 85 | |
6ba93e5e DH |
86 | \f |
87 | ||
88 | #if (SCM_DEBUG_DEPRECATED == 0) | |
89 | ||
c1aef037 | 90 | #define SCM_SLOPPY_STRINGP(x) (SCM_STRINGP(x)) |
36284627 | 91 | #define SCM_RWSTRINGP(x) (!SCM_IMP (x) && (SCM_TYP7 (x) == scm_tc7_string)) |
f0942910 DH |
92 | #define SCM_STRING_UCHARS(x) \ |
93 | ((SCM_TYP7 (x) == scm_tc7_substring) \ | |
94 | ? (unsigned char *) SCM_CELL_WORD_1 (SCM_CDDR (x)) + SCM_INUM (SCM_CADR (x)) \ | |
95 | : (unsigned char *) SCM_CELL_WORD_1 (x)) | |
96 | #define SCM_STRING_CHARS(x) \ | |
97 | ((SCM_TYP7 (x) == scm_tc7_substring) \ | |
98 | ? (char *) SCM_CELL_WORD_1 (SCM_CDDR (x)) + SCM_INUM (SCM_CADR (x)) \ | |
99 | : (char *) SCM_CELL_WORD_1 (x)) | |
c7ec8671 | 100 | extern SCM scm_make_shared_substring (SCM str, SCM frm, SCM to); |
1be6b49c | 101 | extern SCM scm_makstr (size_t len, int); |
36284627 | 102 | extern SCM scm_makfromstr (const char *src, size_t len, int); |
6ba93e5e DH |
103 | |
104 | #endif /* SCM_DEBUG_DEPRECATED == 0 */ | |
105 | ||
36284627 | 106 | #endif /* SCM_STRINGS_H */ |
89e00824 ML |
107 | |
108 | /* | |
109 | Local Variables: | |
110 | c-file-style: "gnu" | |
111 | End: | |
112 | */ |