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78a0461a | 1 | /* Copyright (C) 1995, 1996, 1999 Free Software Foundation, Inc. |
0f2d19dd JB |
2 | * |
3 | * This program is free software; you can redistribute it and/or modify | |
4 | * it under the terms of the GNU General Public License as published by | |
5 | * the Free Software Foundation; either version 2, or (at your option) | |
6 | * any later version. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this software; see the file COPYING. If not, write to | |
82892bed JB |
15 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
16 | * Boston, MA 02111-1307 USA | |
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17 | * |
18 | * As a special exception, the Free Software Foundation gives permission | |
19 | * for additional uses of the text contained in its release of GUILE. | |
20 | * | |
21 | * The exception is that, if you link the GUILE library with other files | |
22 | * to produce an executable, this does not by itself cause the | |
23 | * resulting executable to be covered by the GNU General Public License. | |
24 | * Your use of that executable is in no way restricted on account of | |
25 | * linking the GUILE library code into it. | |
26 | * | |
27 | * This exception does not however invalidate any other reasons why | |
28 | * the executable file might be covered by the GNU General Public License. | |
29 | * | |
30 | * This exception applies only to the code released by the | |
31 | * Free Software Foundation under the name GUILE. If you copy | |
32 | * code from other Free Software Foundation releases into a copy of | |
33 | * GUILE, as the General Public License permits, the exception does | |
34 | * not apply to the code that you add in this way. To avoid misleading | |
35 | * anyone as to the status of such modified files, you must delete | |
36 | * this exception notice from them. | |
37 | * | |
38 | * If you write modifications of your own for GUILE, it is your choice | |
39 | * whether to permit this exception to apply to your modifications. | |
82892bed | 40 | * If you do not wish that, delete this exception notice. */ |
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41 | \f |
42 | ||
43 | #include <stdio.h> | |
44 | #include "_scm.h" | |
20e6290e | 45 | #include "chars.h" |
0f2d19dd | 46 | |
20e6290e | 47 | #include "strorder.h" |
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48 | \f |
49 | ||
50 | SCM_PROC1 (s_string_equal_p, "string=?", scm_tc7_rpsubr, scm_string_equal_p); | |
1cc91f1b | 51 | |
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52 | SCM |
53 | scm_string_equal_p (s1, s2) | |
54 | SCM s1; | |
55 | SCM s2; | |
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56 | { |
57 | register scm_sizet i; | |
dbe26481 | 58 | register unsigned char *c1, *c2; |
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59 | SCM_ASSERT (SCM_NIMP (s1) && SCM_ROSTRINGP (s1), s1, SCM_ARG1, s_string_equal_p); |
60 | SCM_ASSERT (SCM_NIMP (s2) && SCM_ROSTRINGP (s2), s2, SCM_ARG2, s_string_equal_p); | |
61 | ||
62 | i = SCM_ROLENGTH (s2); | |
63 | if (SCM_ROLENGTH (s1) != i) | |
64 | { | |
65 | return SCM_BOOL_F; | |
66 | } | |
dbe26481 MD |
67 | c1 = SCM_ROUCHARS (s1); |
68 | c2 = SCM_ROUCHARS (s2); | |
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69 | while (0 != i--) |
70 | if (*c1++ != *c2++) | |
71 | return SCM_BOOL_F; | |
72 | return SCM_BOOL_T; | |
73 | } | |
74 | ||
75 | SCM_PROC1 (s_string_ci_equal_p, "string-ci=?", scm_tc7_rpsubr, scm_string_ci_equal_p); | |
1cc91f1b | 76 | |
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77 | SCM |
78 | scm_string_ci_equal_p (s1, s2) | |
79 | SCM s1; | |
80 | SCM s2; | |
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81 | { |
82 | register scm_sizet i; | |
83 | register unsigned char *c1, *c2; | |
84 | SCM_ASSERT (SCM_NIMP (s1) && SCM_ROSTRINGP (s1), s1, SCM_ARG1, s_string_ci_equal_p); | |
85 | SCM_ASSERT (SCM_NIMP (s2) && SCM_ROSTRINGP (s2), s2, SCM_ARG2, s_string_ci_equal_p); | |
86 | i = SCM_ROLENGTH (s2); | |
87 | if (SCM_ROLENGTH (s1) != i) | |
88 | { | |
89 | return SCM_BOOL_F; | |
90 | } | |
91 | c1 = SCM_ROUCHARS (s1); | |
92 | c2 = SCM_ROUCHARS (s2); | |
93 | while (0 != i--) | |
94 | if (scm_upcase(*c1++) != scm_upcase(*c2++)) | |
95 | return SCM_BOOL_F; | |
96 | return SCM_BOOL_T; | |
97 | } | |
98 | ||
99 | SCM_PROC1 (s_string_less_p, "string<?", scm_tc7_rpsubr, scm_string_less_p); | |
1cc91f1b | 100 | |
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101 | SCM |
102 | scm_string_less_p (s1, s2) | |
103 | SCM s1; | |
104 | SCM s2; | |
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105 | { |
106 | register scm_sizet i, len, s2len; | |
107 | register unsigned char *c1, *c2; | |
108 | register int c; | |
109 | ||
110 | SCM_ASSERT (SCM_NIMP (s1) && SCM_ROSTRINGP (s1), s1, SCM_ARG1, s_string_less_p); | |
111 | SCM_ASSERT (SCM_NIMP (s2) && SCM_ROSTRINGP (s2), s2, SCM_ARG2, s_string_less_p); | |
112 | len = SCM_ROLENGTH (s1); | |
dd054d41 MD |
113 | s2len = SCM_ROLENGTH (s2); |
114 | if (len>s2len) len = s2len; | |
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115 | c1 = SCM_ROUCHARS (s1); |
116 | c2 = SCM_ROUCHARS (s2); | |
117 | ||
118 | for (i = 0;i<len;i++) { | |
119 | c = (*c1++ - *c2++); | |
120 | if (c>0) | |
121 | return SCM_BOOL_F; | |
122 | if (c<0) | |
123 | return SCM_BOOL_T; | |
124 | } | |
125 | { | |
126 | SCM answer; | |
156dcb09 | 127 | answer = SCM_BOOL(s2len != len); |
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128 | return answer; |
129 | } | |
130 | } | |
131 | ||
132 | SCM_PROC1 (s_string_leq_p, "string<=?", scm_tc7_rpsubr, scm_string_leq_p); | |
1cc91f1b | 133 | |
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134 | SCM |
135 | scm_string_leq_p (s1, s2) | |
136 | SCM s1; | |
137 | SCM s2; | |
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138 | { |
139 | return SCM_BOOL_NOT (scm_string_less_p (s2, s1)); | |
140 | } | |
141 | ||
142 | SCM_PROC1 (s_string_gr_p, "string>?", scm_tc7_rpsubr, scm_string_gr_p); | |
1cc91f1b | 143 | |
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144 | SCM |
145 | scm_string_gr_p (s1, s2) | |
146 | SCM s1; | |
147 | SCM s2; | |
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148 | { |
149 | return scm_string_less_p (s2, s1); | |
150 | } | |
151 | ||
152 | SCM_PROC1 (s_string_geq_p, "string>=?", scm_tc7_rpsubr, scm_string_geq_p); | |
1cc91f1b | 153 | |
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154 | SCM |
155 | scm_string_geq_p (s1, s2) | |
156 | SCM s1; | |
157 | SCM s2; | |
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158 | { |
159 | return SCM_BOOL_NOT (scm_string_less_p (s1, s2)); | |
160 | } | |
161 | ||
162 | SCM_PROC1 (s_string_ci_less_p, "string-ci<?", scm_tc7_rpsubr, scm_string_ci_less_p); | |
1cc91f1b | 163 | |
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164 | SCM |
165 | scm_string_ci_less_p (s1, s2) | |
166 | SCM s1; | |
167 | SCM s2; | |
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168 | { |
169 | register scm_sizet i, len, s2len; | |
170 | register unsigned char *c1, *c2; | |
171 | register int c; | |
172 | SCM_ASSERT (SCM_NIMP (s1) && SCM_ROSTRINGP (s1), s1, SCM_ARG1, s_string_ci_less_p); | |
173 | SCM_ASSERT (SCM_NIMP (s2) && SCM_ROSTRINGP (s2), s2, SCM_ARG2, s_string_ci_less_p); | |
174 | len = SCM_ROLENGTH (s1); | |
dd054d41 MD |
175 | s2len = SCM_ROLENGTH (s2); |
176 | if (len>s2len) len = s2len; | |
0f2d19dd JB |
177 | c1 = SCM_ROUCHARS (s1); |
178 | c2 = SCM_ROUCHARS (s2); | |
179 | for (i = 0;i<len;i++) { | |
180 | c = (scm_upcase(*c1++) - scm_upcase(*c2++)); | |
181 | if (c>0) return SCM_BOOL_F; | |
182 | if (c<0) return SCM_BOOL_T; | |
183 | } | |
156dcb09 | 184 | return SCM_BOOL(s2len != len); |
0f2d19dd JB |
185 | } |
186 | ||
187 | SCM_PROC1 (s_string_ci_leq_p, "string-ci<=?", scm_tc7_rpsubr, scm_string_ci_leq_p); | |
1cc91f1b | 188 | |
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189 | SCM |
190 | scm_string_ci_leq_p (s1, s2) | |
191 | SCM s1; | |
192 | SCM s2; | |
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193 | { |
194 | return SCM_BOOL_NOT (scm_string_ci_less_p (s2, s1)); | |
195 | } | |
196 | ||
197 | SCM_PROC1 (s_string_ci_gr_p, "string-ci>?", scm_tc7_rpsubr, scm_string_ci_gr_p); | |
1cc91f1b | 198 | |
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199 | SCM |
200 | scm_string_ci_gr_p (s1, s2) | |
201 | SCM s1; | |
202 | SCM s2; | |
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203 | { |
204 | return scm_string_ci_less_p (s2, s1); | |
205 | } | |
206 | ||
207 | SCM_PROC1 (s_string_ci_geq_p, "string-ci>=?", scm_tc7_rpsubr, scm_string_ci_geq_p); | |
1cc91f1b | 208 | |
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209 | SCM |
210 | scm_string_ci_geq_p (s1, s2) | |
211 | SCM s1; | |
212 | SCM s2; | |
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213 | { |
214 | return SCM_BOOL_NOT (scm_string_ci_less_p (s1, s2)); | |
215 | } | |
216 | ||
217 | \f | |
1cc91f1b | 218 | |
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219 | void |
220 | scm_init_strorder () | |
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221 | { |
222 | #include "strorder.x" | |
223 | } | |
224 |