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regex: Avoid allocating offsets until we've a match

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There's no much point of pre-allocating offsets given that we're doing
this when needed if only have matches to store.

So let's just allocate the spaces for the dummy offset we depend on,
while allocate the others on demand.
This commit is contained in:
Marco Trevisan (Treviño) 2022-09-06 19:19:03 +02:00
parent e8628a7ed5
commit fe1c2628d5
1 changed files with 1 additions and 5 deletions
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6
glib/gregex.c
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@ -806,15 +806,11 @@ match_info_new (const GRegex *regex,
{
/* These values should be enough for most cases, if they are not
* enough g_regex_match_all_full() will expand them. */
match_info->n_offsets = 24;
match_info->n_workspace = 100;
match_info->workspace = g_new (gint, match_info->n_workspace);
}
else
{
match_info->n_offsets = (match_info->n_subpatterns + 1) * 3;
}
match_info->n_offsets = 2;
match_info->offsets = g_new0 (gint, match_info->n_offsets);
/* Set an invalid position for the previous match. */
match_info->offsets[0] = -1;