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util.c (26500) util.c (35489)
1/* util.c -- readline utility functions */
2
3/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
4
5 This file is part of the GNU Readline Library, a library for
6 reading lines of text with interactive input and history editing.
7
8 The GNU Readline Library is free software; you can redistribute it

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161 {
162 rl_line_buffer_len += DEFAULT_BUFFER_SIZE;
163 rl_line_buffer = xrealloc (rl_line_buffer, rl_line_buffer_len);
164 }
165
166 _rl_set_the_line ();
167}
168
1/* util.c -- readline utility functions */
2
3/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
4
5 This file is part of the GNU Readline Library, a library for
6 reading lines of text with interactive input and history editing.
7
8 The GNU Readline Library is free software; you can redistribute it

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161 {
162 rl_line_buffer_len += DEFAULT_BUFFER_SIZE;
163 rl_line_buffer = xrealloc (rl_line_buffer, rl_line_buffer_len);
164 }
165
166 _rl_set_the_line ();
167}
168
169
170/* A function for simple tilde expansion. */
171int
172rl_tilde_expand (ignore, key)
173 int ignore, key;
174{
175 register int start, end;
176 char *homedir, *temp;
177 int len;
178
179 end = rl_point;
180 start = end - 1;
181
182 if (rl_point == rl_end && rl_line_buffer[rl_point] == '~')
183 {
184 homedir = tilde_expand ("~");
185 _rl_replace_text (homedir, start, end);
186 return (0);
187 }
188 else if (rl_line_buffer[start] != '~')
189 {
190 for (; !whitespace (rl_line_buffer[start]) && start >= 0; start--)
191 ;
192 start++;
193 }
194
195 end = start;
196 do
197 end++;
198 while (whitespace (rl_line_buffer[end]) == 0 && end < rl_end);
199
200 if (whitespace (rl_line_buffer[end]) || end >= rl_end)
201 end--;
202
203 /* If the first character of the current word is a tilde, perform
204 tilde expansion and insert the result. If not a tilde, do
205 nothing. */
206 if (rl_line_buffer[start] == '~')
207 {
208 len = end - start + 1;
209 temp = xmalloc (len + 1);
210 strncpy (temp, rl_line_buffer + start, len);
211 temp[len] = '\0';
212 homedir = tilde_expand (temp);
213 free (temp);
214
215 _rl_replace_text (homedir, start, end);
216 }
217
218 return (0);
219}
220
169/* **************************************************************** */
170/* */
171/* String Utility Functions */
172/* */
173/* **************************************************************** */
174
175/* Determine if s2 occurs in s1. If so, return a pointer to the
176 match in s1. The compare is case insensitive. */

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295
296#undef _rl_digit_value
297int
298_rl_digit_value (c)
299 int c;
300{
301 return (isdigit (c) ? c - '0' : c);
302}
221/* **************************************************************** */
222/* */
223/* String Utility Functions */
224/* */
225/* **************************************************************** */
226
227/* Determine if s2 occurs in s1. If so, return a pointer to the
228 match in s1. The compare is case insensitive. */

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347
348#undef _rl_digit_value
349int
350_rl_digit_value (c)
351 int c;
352{
353 return (isdigit (c) ? c - '0' : c);
354}
355
356/* Backwards compatibility, now that savestring has been removed from
357 all `public' readline header files. */
358#undef _rl_savestring
359char *
360_rl_savestring (s)
361 char *s;
362{
363 return ((char *)strcpy (xmalloc (1 + (int)strlen (s)), (s)));
364}