pattern.c (6f26c71d76bb795b30684affb3b57870a7926b26) pattern.c (2235c7feac959bcc9ddfd6a2bc6be32102b1f84c)
1/*
1/*
2 * Copyright (C) 1984-2020 Mark Nudelman
2 * Copyright (C) 1984-2021 Mark Nudelman
3 *
4 * You may distribute under the terms of either the GNU General Public
5 * License or the Less License, as specified in the README file.
6 *
7 * For more information, see the README file.
8 */
9
10/*

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140 }
141 return (0);
142}
143
144/*
145 * Like compile_pattern2, but convert the pattern to lowercase if necessary.
146 */
147 public int
3 *
4 * You may distribute under the terms of either the GNU General Public
5 * License or the Less License, as specified in the README file.
6 *
7 * For more information, see the README file.
8 */
9
10/*

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140 }
141 return (0);
142}
143
144/*
145 * Like compile_pattern2, but convert the pattern to lowercase if necessary.
146 */
147 public int
148compile_pattern(pattern, search_type, comp_pattern)
148compile_pattern(pattern, search_type, show_error, comp_pattern)
149 char *pattern;
150 int search_type;
149 char *pattern;
150 int search_type;
151 int show_error;
151 PATTERN_TYPE *comp_pattern;
152{
153 char *cvt_pattern;
154 int result;
155
156 if (caseless != OPT_ONPLUS)
157 cvt_pattern = pattern;
158 else
159 {
160 cvt_pattern = (char*) ecalloc(1, cvt_length(strlen(pattern), CVT_TO_LC));
161 cvt_text(cvt_pattern, pattern, (int *)NULL, (int *)NULL, CVT_TO_LC);
162 }
152 PATTERN_TYPE *comp_pattern;
153{
154 char *cvt_pattern;
155 int result;
156
157 if (caseless != OPT_ONPLUS)
158 cvt_pattern = pattern;
159 else
160 {
161 cvt_pattern = (char*) ecalloc(1, cvt_length(strlen(pattern), CVT_TO_LC));
162 cvt_text(cvt_pattern, pattern, (int *)NULL, (int *)NULL, CVT_TO_LC);
163 }
163 result = compile_pattern2(cvt_pattern, search_type, comp_pattern, 1);
164 result = compile_pattern2(cvt_pattern, search_type, comp_pattern, show_error);
164 if (cvt_pattern != pattern)
165 free(cvt_pattern);
166 return (result);
167}
168
169/*
170 * Forget that we have a compiled pattern.
171 */

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209#endif
210#if HAVE_V8_REGCOMP
211 if (*pattern != NULL)
212 free(*pattern);
213 *pattern = NULL;
214#endif
215}
216
165 if (cvt_pattern != pattern)
166 free(cvt_pattern);
167 return (result);
168}
169
170/*
171 * Forget that we have a compiled pattern.
172 */

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210#endif
211#if HAVE_V8_REGCOMP
212 if (*pattern != NULL)
213 free(*pattern);
214 *pattern = NULL;
215#endif
216}
217
218#if 0
217/*
218 * Can a pattern be successfully compiled?
219 */
220 public int
221valid_pattern(pattern)
222 char *pattern;
223{
224 PATTERN_TYPE comp_pattern;
225 int result;
226
219/*
220 * Can a pattern be successfully compiled?
221 */
222 public int
223valid_pattern(pattern)
224 char *pattern;
225{
226 PATTERN_TYPE comp_pattern;
227 int result;
228
227 CLEAR_PATTERN(comp_pattern);
229 SET_NULL_PATTERN(comp_pattern);
228 result = compile_pattern2(pattern, 0, &comp_pattern, 0);
229 if (result != 0)
230 return (0);
231 uncompile_pattern(&comp_pattern);
232 return (1);
233}
230 result = compile_pattern2(pattern, 0, &comp_pattern, 0);
231 if (result != 0)
232 return (0);
233 uncompile_pattern(&comp_pattern);
234 return (1);
235}
236#endif
234
235/*
236 * Is a compiled pattern null?
237 */
238 public int
239is_null_pattern(pattern)
240 PATTERN_TYPE pattern;
241{

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238/*
239 * Is a compiled pattern null?
240 */
241 public int
242is_null_pattern(pattern)
243 PATTERN_TYPE pattern;
244{

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