Mercurial > hg > octave-kai > gnulib-hg

comparison regex.c @ 490:985fe9826996

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
(re_search_2): Use 0, not -1, as the lower bound for the match position when we adjust RANGE.
author Richard Stallman <rms@gnu.org>
date Sun, 01 Oct 1995 20:17:02 +0000
parents 35afc74165b7
children f29b13c2cefd
comparison
equal deleted inserted replaced
489:0874493f99ac 490:985fe9826996
3257 /* Check for out-of-range STARTPOS. */ 3257 /* Check for out-of-range STARTPOS. */
3258 if (startpos < 0 || startpos > total_size) 3258 if (startpos < 0 || startpos > total_size)
3259 return -1; 3259 return -1;
3260 3260
3261 /* Fix up RANGE if it might eventually take us outside 3261 /* Fix up RANGE if it might eventually take us outside
3262 the virtual concatenation of STRING1 and STRING2. */ 3262 the virtual concatenation of STRING1 and STRING2.
3263 if (endpos < -1) 3263 Make sure we won't move STARTPOS below 0 or above TOTAL_SIZE. */
3264 range = -1 - startpos; 3264 if (endpos < 0)
3265 range = 0 - startpos;
3265 else if (endpos > total_size) 3266 else if (endpos > total_size)
3266 range = total_size - startpos; 3267 range = total_size - startpos;
3267 3268
3268 /* If the search isn't to be a backwards one, don't waste time in a 3269 /* If the search isn't to be a backwards one, don't waste time in a
3269 search for a pattern that must be anchored. */ 3270 search for a pattern that must be anchored. */