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55d3426929
Remove the unused wildopts placeholder struct from being passed to all
wildmatch() invocations, or rather remove all the boilerplate NULL
parameters.
This parameter was added back in commit 9b3497cab9 ("wildmatch: rename
constants and update prototype", 2013-01-01) as a placeholder for
future use. Over 4 years later nothing has made use of it, let's just
remove it. It can be added in the future if we find some reason to
start using such a parameter.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
131 lines
2.4 KiB
C
131 lines
2.4 KiB
C
/*
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* Copyright (C) 2005 Junio C Hamano
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*/
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#include "cache.h"
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#include "diff.h"
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#include "diffcore.h"
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static char **order;
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static int order_cnt;
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static void prepare_order(const char *orderfile)
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{
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int cnt, pass;
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struct strbuf sb = STRBUF_INIT;
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void *map;
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char *cp, *endp;
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ssize_t sz;
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if (order)
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return;
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sz = strbuf_read_file(&sb, orderfile, 0);
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if (sz < 0)
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die_errno(_("failed to read orderfile '%s'"), orderfile);
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map = strbuf_detach(&sb, NULL);
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endp = (char *) map + sz;
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for (pass = 0; pass < 2; pass++) {
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cnt = 0;
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cp = map;
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while (cp < endp) {
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char *ep;
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for (ep = cp; ep < endp && *ep != '\n'; ep++)
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;
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/* cp to ep has one line */
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if (*cp == '\n' || *cp == '#')
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; /* comment */
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else if (pass == 0)
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cnt++;
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else {
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if (*ep == '\n') {
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*ep = 0;
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order[cnt] = cp;
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} else {
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order[cnt] = xmemdupz(cp, ep - cp);
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}
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cnt++;
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}
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if (ep < endp)
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ep++;
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cp = ep;
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}
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if (pass == 0) {
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order_cnt = cnt;
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ALLOC_ARRAY(order, cnt);
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}
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}
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}
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static int match_order(const char *path)
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{
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int i;
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static struct strbuf p = STRBUF_INIT;
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for (i = 0; i < order_cnt; i++) {
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strbuf_reset(&p);
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strbuf_addstr(&p, path);
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while (p.buf[0]) {
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char *cp;
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if (!wildmatch(order[i], p.buf, 0))
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return i;
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cp = strrchr(p.buf, '/');
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if (!cp)
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break;
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*cp = 0;
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}
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}
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return order_cnt;
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}
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static int compare_objs_order(const void *a_, const void *b_)
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{
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struct obj_order const *a, *b;
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a = (struct obj_order const *)a_;
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b = (struct obj_order const *)b_;
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if (a->order != b->order)
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return a->order - b->order;
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return a->orig_order - b->orig_order;
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}
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void order_objects(const char *orderfile, obj_path_fn_t obj_path,
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struct obj_order *objs, int nr)
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{
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int i;
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if (!nr)
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return;
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prepare_order(orderfile);
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for (i = 0; i < nr; i++) {
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objs[i].orig_order = i;
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objs[i].order = match_order(obj_path(objs[i].obj));
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}
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QSORT(objs, nr, compare_objs_order);
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}
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static const char *pair_pathtwo(void *obj)
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{
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struct diff_filepair *pair = (struct diff_filepair *)obj;
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return pair->two->path;
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}
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void diffcore_order(const char *orderfile)
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{
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struct diff_queue_struct *q = &diff_queued_diff;
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struct obj_order *o;
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int i;
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if (!q->nr)
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return;
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ALLOC_ARRAY(o, q->nr);
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for (i = 0; i < q->nr; i++)
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o[i].obj = q->queue[i];
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order_objects(orderfile, pair_pathtwo, o, q->nr);
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for (i = 0; i < q->nr; i++)
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q->queue[i] = o[i].obj;
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free(o);
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return;
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}
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