10 #include "parse-options.h"
17 #define QUOTE_PYTHON 4
20 typedef enum { FIELD_STR, FIELD_ULONG, FIELD_TIME } cmp_type;
24 unsigned long ul; /* used for sorting when not FIELD_STR */
28 struct ref_sort *next;
29 int atom; /* index into used_atom array */
35 unsigned char objectname[20];
38 struct atom_value *value;
47 { "objectsize", FIELD_ULONG },
51 { "numparent", FIELD_ULONG },
58 { "authordate", FIELD_TIME },
62 { "committerdate", FIELD_TIME },
66 { "taggerdate", FIELD_TIME },
68 { "creatordate", FIELD_TIME },
72 { "contents:subject" },
74 { "contents:signature" },
82 * An atom is a valid field atom listed above, possibly prefixed with
83 * a "*" to denote deref_tag().
85 * We parse given format string and sort specifiers, and make a list
86 * of properties that we need to extract out of objects. refinfo
87 * structure will hold an array of values extracted that can be
88 * indexed with the "atom number", which is an index into this
91 static const char **used_atom;
92 static cmp_type *used_atom_type;
93 static int used_atom_cnt, sort_atom_limit, need_tagged, need_symref;
96 * Used to parse format string and sort specifiers
98 static int parse_atom(const char *atom, const char *ep)
104 if (*sp == '*' && sp < ep)
107 die("malformed field name: %.*s", (int)(ep-atom), atom);
109 /* Do we have the atom already used elsewhere? */
110 for (i = 0; i < used_atom_cnt; i++) {
111 int len = strlen(used_atom[i]);
112 if (len == ep - atom && !memcmp(used_atom[i], atom, len))
116 /* Is the atom a valid one? */
117 for (i = 0; i < ARRAY_SIZE(valid_atom); i++) {
118 int len = strlen(valid_atom[i].name);
120 * If the atom name has a colon, strip it and everything after
121 * it off - it specifies the format for this entry, and
122 * shouldn't be used for checking against the valid_atom
125 const char *formatp = strchr(sp, ':');
126 if (!formatp || ep < formatp)
128 if (len == formatp - sp && !memcmp(valid_atom[i].name, sp, len))
132 if (ARRAY_SIZE(valid_atom) <= i)
133 die("unknown field name: %.*s", (int)(ep-atom), atom);
135 /* Add it in, including the deref prefix */
138 used_atom = xrealloc(used_atom,
139 (sizeof *used_atom) * used_atom_cnt);
140 used_atom_type = xrealloc(used_atom_type,
141 (sizeof(*used_atom_type) * used_atom_cnt));
142 used_atom[at] = xmemdupz(atom, ep - atom);
143 used_atom_type[at] = valid_atom[i].cmp_type;
146 if (!strcmp(used_atom[at], "symref"))
152 * In a format string, find the next occurrence of %(atom).
154 static const char *find_next(const char *cp)
159 * %( is the start of an atom;
160 * %% is a quoted per-cent.
164 else if (cp[1] == '%')
165 cp++; /* skip over two % */
166 /* otherwise this is a singleton, literal % */
174 * Make sure the format string is well formed, and parse out
177 static int verify_format(const char *format)
180 for (cp = format; *cp && (sp = find_next(cp)); ) {
181 const char *ep = strchr(sp, ')');
183 return error("malformed format string %s", sp);
184 /* sp points at "%(" and ep points at the closing ")" */
185 parse_atom(sp + 2, ep);
192 * Given an object name, read the object data and size, and return a
193 * "struct object". If the object data we are returning is also borrowed
194 * by the "struct object" representation, set *eaten as well---it is a
195 * signal from parse_object_buffer to us not to free the buffer.
197 static void *get_obj(const unsigned char *sha1, struct object **obj, unsigned long *sz, int *eaten)
199 enum object_type type;
200 void *buf = read_sha1_file(sha1, &type, sz);
203 *obj = parse_object_buffer(sha1, type, *sz, buf, eaten);
209 /* See grab_values */
210 static void grab_common_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
214 for (i = 0; i < used_atom_cnt; i++) {
215 const char *name = used_atom[i];
216 struct atom_value *v = &val[i];
217 if (!!deref != (*name == '*'))
221 if (!strcmp(name, "objecttype"))
222 v->s = typename(obj->type);
223 else if (!strcmp(name, "objectsize")) {
224 char *s = xmalloc(40);
225 sprintf(s, "%lu", sz);
229 else if (!strcmp(name, "objectname")) {
230 char *s = xmalloc(41);
231 strcpy(s, sha1_to_hex(obj->sha1));
234 else if (!strcmp(name, "objectname:short")) {
235 v->s = xstrdup(find_unique_abbrev(obj->sha1,
241 /* See grab_values */
242 static void grab_tag_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
245 struct tag *tag = (struct tag *) obj;
247 for (i = 0; i < used_atom_cnt; i++) {
248 const char *name = used_atom[i];
249 struct atom_value *v = &val[i];
250 if (!!deref != (*name == '*'))
254 if (!strcmp(name, "tag"))
256 else if (!strcmp(name, "type") && tag->tagged)
257 v->s = typename(tag->tagged->type);
258 else if (!strcmp(name, "object") && tag->tagged) {
259 char *s = xmalloc(41);
260 strcpy(s, sha1_to_hex(tag->tagged->sha1));
266 static int num_parents(struct commit *commit)
268 struct commit_list *parents;
271 for (i = 0, parents = commit->parents;
273 parents = parents->next)
278 /* See grab_values */
279 static void grab_commit_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
282 struct commit *commit = (struct commit *) obj;
284 for (i = 0; i < used_atom_cnt; i++) {
285 const char *name = used_atom[i];
286 struct atom_value *v = &val[i];
287 if (!!deref != (*name == '*'))
291 if (!strcmp(name, "tree")) {
292 char *s = xmalloc(41);
293 strcpy(s, sha1_to_hex(commit->tree->object.sha1));
296 if (!strcmp(name, "numparent")) {
297 char *s = xmalloc(40);
298 v->ul = num_parents(commit);
299 sprintf(s, "%lu", v->ul);
302 else if (!strcmp(name, "parent")) {
303 int num = num_parents(commit);
305 struct commit_list *parents;
306 char *s = xmalloc(41 * num + 1);
308 for (i = 0, parents = commit->parents;
310 parents = parents->next, i = i + 41) {
311 struct commit *parent = parents->item;
312 strcpy(s+i, sha1_to_hex(parent->object.sha1));
322 static const char *find_wholine(const char *who, int wholen, const char *buf, unsigned long sz)
326 if (!strncmp(buf, who, wholen) &&
328 return buf + wholen + 1;
329 eol = strchr(buf, '\n');
334 return ""; /* end of header */
340 static const char *copy_line(const char *buf)
342 const char *eol = strchrnul(buf, '\n');
343 return xmemdupz(buf, eol - buf);
346 static const char *copy_name(const char *buf)
349 for (cp = buf; *cp && *cp != '\n'; cp++) {
350 if (!strncmp(cp, " <", 2))
351 return xmemdupz(buf, cp - buf);
356 static const char *copy_email(const char *buf)
358 const char *email = strchr(buf, '<');
362 eoemail = strchr(email, '>');
365 return xmemdupz(email, eoemail + 1 - email);
368 static char *copy_subject(const char *buf, unsigned long len)
370 char *r = xmemdupz(buf, len);
373 for (i = 0; i < len; i++)
380 static void grab_date(const char *buf, struct atom_value *v, const char *atomname)
382 const char *eoemail = strstr(buf, "> ");
384 unsigned long timestamp;
386 enum date_mode date_mode = DATE_NORMAL;
390 * We got here because atomname ends in "date" or "date<something>";
391 * it's not possible that <something> is not ":<format>" because
392 * parse_atom() wouldn't have allowed it, so we can assume that no
393 * ":" means no format is specified, and use the default.
395 formatp = strchr(atomname, ':');
396 if (formatp != NULL) {
398 date_mode = parse_date_format(formatp);
403 timestamp = strtoul(eoemail + 2, &zone, 10);
404 if (timestamp == ULONG_MAX)
406 tz = strtol(zone, NULL, 10);
407 if ((tz == LONG_MIN || tz == LONG_MAX) && errno == ERANGE)
409 v->s = xstrdup(show_date(timestamp, tz, date_mode));
417 /* See grab_values */
418 static void grab_person(const char *who, struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
421 int wholen = strlen(who);
422 const char *wholine = NULL;
424 for (i = 0; i < used_atom_cnt; i++) {
425 const char *name = used_atom[i];
426 struct atom_value *v = &val[i];
427 if (!!deref != (*name == '*'))
431 if (strncmp(who, name, wholen))
433 if (name[wholen] != 0 &&
434 strcmp(name + wholen, "name") &&
435 strcmp(name + wholen, "email") &&
436 prefixcmp(name + wholen, "date"))
439 wholine = find_wholine(who, wholen, buf, sz);
441 return; /* no point looking for it */
442 if (name[wholen] == 0)
443 v->s = copy_line(wholine);
444 else if (!strcmp(name + wholen, "name"))
445 v->s = copy_name(wholine);
446 else if (!strcmp(name + wholen, "email"))
447 v->s = copy_email(wholine);
448 else if (!prefixcmp(name + wholen, "date"))
449 grab_date(wholine, v, name);
453 * For a tag or a commit object, if "creator" or "creatordate" is
454 * requested, do something special.
456 if (strcmp(who, "tagger") && strcmp(who, "committer"))
457 return; /* "author" for commit object is not wanted */
459 wholine = find_wholine(who, wholen, buf, sz);
462 for (i = 0; i < used_atom_cnt; i++) {
463 const char *name = used_atom[i];
464 struct atom_value *v = &val[i];
465 if (!!deref != (*name == '*'))
470 if (!prefixcmp(name, "creatordate"))
471 grab_date(wholine, v, name);
472 else if (!strcmp(name, "creator"))
473 v->s = copy_line(wholine);
477 static void find_subpos(const char *buf, unsigned long sz,
478 const char **sub, unsigned long *sublen,
479 const char **body, unsigned long *bodylen,
480 unsigned long *nonsiglen,
481 const char **sig, unsigned long *siglen)
484 /* skip past header until we hit empty line */
485 while (*buf && *buf != '\n') {
486 eol = strchrnul(buf, '\n');
491 /* skip any empty lines */
495 /* parse signature first; we might not even have a subject line */
496 *sig = buf + parse_signature(buf, strlen(buf));
497 *siglen = strlen(*sig);
499 /* subject is first non-empty line */
501 /* subject goes to first empty line */
502 while (buf < *sig && *buf && *buf != '\n') {
503 eol = strchrnul(buf, '\n');
508 *sublen = buf - *sub;
509 /* drop trailing newline, if present */
510 if (*sublen && (*sub)[*sublen - 1] == '\n')
513 /* skip any empty lines */
517 *bodylen = strlen(buf);
518 *nonsiglen = *sig - buf;
521 /* See grab_values */
522 static void grab_sub_body_contents(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
525 const char *subpos = NULL, *bodypos = NULL, *sigpos = NULL;
526 unsigned long sublen = 0, bodylen = 0, nonsiglen = 0, siglen = 0;
528 for (i = 0; i < used_atom_cnt; i++) {
529 const char *name = used_atom[i];
530 struct atom_value *v = &val[i];
531 if (!!deref != (*name == '*'))
535 if (strcmp(name, "subject") &&
536 strcmp(name, "body") &&
537 strcmp(name, "contents") &&
538 strcmp(name, "contents:subject") &&
539 strcmp(name, "contents:body") &&
540 strcmp(name, "contents:signature"))
545 &bodypos, &bodylen, &nonsiglen,
548 if (!strcmp(name, "subject"))
549 v->s = copy_subject(subpos, sublen);
550 else if (!strcmp(name, "contents:subject"))
551 v->s = copy_subject(subpos, sublen);
552 else if (!strcmp(name, "body"))
553 v->s = xmemdupz(bodypos, bodylen);
554 else if (!strcmp(name, "contents:body"))
555 v->s = xmemdupz(bodypos, nonsiglen);
556 else if (!strcmp(name, "contents:signature"))
557 v->s = xmemdupz(sigpos, siglen);
558 else if (!strcmp(name, "contents"))
559 v->s = xstrdup(subpos);
564 * We want to have empty print-string for field requests
565 * that do not apply (e.g. "authordate" for a tag object)
567 static void fill_missing_values(struct atom_value *val)
570 for (i = 0; i < used_atom_cnt; i++) {
571 struct atom_value *v = &val[i];
578 * val is a list of atom_value to hold returned values. Extract
579 * the values for atoms in used_atom array out of (obj, buf, sz).
580 * when deref is false, (obj, buf, sz) is the object that is
581 * pointed at by the ref itself; otherwise it is the object the
582 * ref (which is a tag) refers to.
584 static void grab_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
586 grab_common_values(val, deref, obj, buf, sz);
589 grab_tag_values(val, deref, obj, buf, sz);
590 grab_sub_body_contents(val, deref, obj, buf, sz);
591 grab_person("tagger", val, deref, obj, buf, sz);
594 grab_commit_values(val, deref, obj, buf, sz);
595 grab_sub_body_contents(val, deref, obj, buf, sz);
596 grab_person("author", val, deref, obj, buf, sz);
597 grab_person("committer", val, deref, obj, buf, sz);
600 /* grab_tree_values(val, deref, obj, buf, sz); */
603 /* grab_blob_values(val, deref, obj, buf, sz); */
606 die("Eh? Object of type %d?", obj->type);
610 static inline char *copy_advance(char *dst, const char *src)
618 * Parse the object referred by ref, and grab needed value.
620 static void populate_value(struct refinfo *ref)
626 const unsigned char *tagged;
628 ref->value = xcalloc(sizeof(struct atom_value), used_atom_cnt);
630 if (need_symref && (ref->flag & REF_ISSYMREF) && !ref->symref) {
631 unsigned char unused1[20];
632 ref->symref = resolve_refdup(ref->refname, unused1, 1, NULL);
637 /* Fill in specials first */
638 for (i = 0; i < used_atom_cnt; i++) {
639 const char *name = used_atom[i];
640 struct atom_value *v = &ref->value[i];
644 struct branch *branch = NULL;
651 if (!prefixcmp(name, "refname"))
652 refname = ref->refname;
653 else if (!prefixcmp(name, "symref"))
654 refname = ref->symref ? ref->symref : "";
655 else if (!prefixcmp(name, "upstream")) {
656 /* only local branches may have an upstream */
657 if (prefixcmp(ref->refname, "refs/heads/"))
659 branch = branch_get(ref->refname + 11);
661 if (!branch || !branch->merge || !branch->merge[0] ||
662 !branch->merge[0]->dst)
664 refname = branch->merge[0]->dst;
666 else if (!strcmp(name, "flag")) {
667 char buf[256], *cp = buf;
668 if (ref->flag & REF_ISSYMREF)
669 cp = copy_advance(cp, ",symref");
670 if (ref->flag & REF_ISPACKED)
671 cp = copy_advance(cp, ",packed");
676 v->s = xstrdup(buf + 1);
679 } else if (!strcmp(name, "HEAD")) {
681 unsigned char sha1[20];
683 head = resolve_ref_unsafe("HEAD", sha1, 1, NULL);
684 if (!strcmp(ref->refname, head))
692 formatp = strchr(name, ':');
694 int num_ours, num_theirs;
697 if (!strcmp(formatp, "short"))
698 refname = shorten_unambiguous_ref(refname,
699 warn_ambiguous_refs);
700 else if (!strcmp(formatp, "track") &&
701 !prefixcmp(name, "upstream")) {
704 stat_tracking_info(branch, &num_ours, &num_theirs);
705 if (!num_ours && !num_theirs)
707 else if (!num_ours) {
708 sprintf(buf, "[behind %d]", num_theirs);
710 } else if (!num_theirs) {
711 sprintf(buf, "[ahead %d]", num_ours);
714 sprintf(buf, "[ahead %d, behind %d]",
715 num_ours, num_theirs);
719 } else if (!strcmp(formatp, "trackshort") &&
720 !prefixcmp(name, "upstream")) {
722 stat_tracking_info(branch, &num_ours, &num_theirs);
723 if (!num_ours && !num_theirs)
727 else if (!num_theirs)
733 die("unknown %.*s format %s",
734 (int)(formatp - name), name, formatp);
740 int len = strlen(refname);
741 char *s = xmalloc(len + 4);
742 sprintf(s, "%s^{}", refname);
747 for (i = 0; i < used_atom_cnt; i++) {
748 struct atom_value *v = &ref->value[i];
755 buf = get_obj(ref->objectname, &obj, &size, &eaten);
757 die("missing object %s for %s",
758 sha1_to_hex(ref->objectname), ref->refname);
760 die("parse_object_buffer failed on %s for %s",
761 sha1_to_hex(ref->objectname), ref->refname);
763 grab_values(ref->value, 0, obj, buf, size);
768 * If there is no atom that wants to know about tagged
769 * object, we are done.
771 if (!need_tagged || (obj->type != OBJ_TAG))
775 * If it is a tag object, see if we use a value that derefs
776 * the object, and if we do grab the object it refers to.
778 tagged = ((struct tag *)obj)->tagged->sha1;
781 * NEEDSWORK: This derefs tag only once, which
782 * is good to deal with chains of trust, but
783 * is not consistent with what deref_tag() does
784 * which peels the onion to the core.
786 buf = get_obj(tagged, &obj, &size, &eaten);
788 die("missing object %s for %s",
789 sha1_to_hex(tagged), ref->refname);
791 die("parse_object_buffer failed on %s for %s",
792 sha1_to_hex(tagged), ref->refname);
793 grab_values(ref->value, 1, obj, buf, size);
799 * Given a ref, return the value for the atom. This lazily gets value
800 * out of the object by calling populate value.
802 static void get_value(struct refinfo *ref, int atom, struct atom_value **v)
806 fill_missing_values(ref->value);
808 *v = &ref->value[atom];
811 struct grab_ref_cbdata {
812 struct refinfo **grab_array;
813 const char **grab_pattern;
818 * A call-back given to for_each_ref(). Filter refs and keep them for
819 * later object processing.
821 static int grab_single_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
823 struct grab_ref_cbdata *cb = cb_data;
827 if (*cb->grab_pattern) {
828 const char **pattern;
829 int namelen = strlen(refname);
830 for (pattern = cb->grab_pattern; *pattern; pattern++) {
831 const char *p = *pattern;
832 int plen = strlen(p);
834 if ((plen <= namelen) &&
835 !strncmp(refname, p, plen) &&
836 (refname[plen] == '\0' ||
837 refname[plen] == '/' ||
840 if (!fnmatch(p, refname, FNM_PATHNAME))
848 * We do not open the object yet; sort may only need refname
849 * to do its job and the resulting list may yet to be pruned
852 ref = xcalloc(1, sizeof(*ref));
853 ref->refname = xstrdup(refname);
854 hashcpy(ref->objectname, sha1);
858 cb->grab_array = xrealloc(cb->grab_array,
859 sizeof(*cb->grab_array) * (cnt + 1));
860 cb->grab_array[cnt++] = ref;
865 static int cmp_ref_sort(struct ref_sort *s, struct refinfo *a, struct refinfo *b)
867 struct atom_value *va, *vb;
869 cmp_type cmp_type = used_atom_type[s->atom];
871 get_value(a, s->atom, &va);
872 get_value(b, s->atom, &vb);
875 cmp = strcmp(va->s, vb->s);
880 else if (va->ul == vb->ul)
886 return (s->reverse) ? -cmp : cmp;
889 static struct ref_sort *ref_sort;
890 static int compare_refs(const void *a_, const void *b_)
892 struct refinfo *a = *((struct refinfo **)a_);
893 struct refinfo *b = *((struct refinfo **)b_);
896 for (s = ref_sort; s; s = s->next) {
897 int cmp = cmp_ref_sort(s, a, b);
904 static void sort_refs(struct ref_sort *sort, struct refinfo **refs, int num_refs)
907 qsort(refs, num_refs, sizeof(struct refinfo *), compare_refs);
910 static void print_value(struct refinfo *ref, int atom, int quote_style)
912 struct atom_value *v;
913 struct strbuf sb = STRBUF_INIT;
914 get_value(ref, atom, &v);
915 switch (quote_style) {
920 sq_quote_buf(&sb, v->s);
923 perl_quote_buf(&sb, v->s);
926 python_quote_buf(&sb, v->s);
929 tcl_quote_buf(&sb, v->s);
932 if (quote_style != QUOTE_NONE) {
933 fputs(sb.buf, stdout);
938 static int hex1(char ch)
940 if ('0' <= ch && ch <= '9')
942 else if ('a' <= ch && ch <= 'f')
943 return ch - 'a' + 10;
944 else if ('A' <= ch && ch <= 'F')
945 return ch - 'A' + 10;
948 static int hex2(const char *cp)
951 return (hex1(cp[0]) << 4) | hex1(cp[1]);
956 static void emit(const char *cp, const char *ep)
958 while (*cp && (!ep || cp < ep)) {
963 int ch = hex2(cp + 1);
976 static void show_ref(struct refinfo *info, const char *format, int quote_style)
978 const char *cp, *sp, *ep;
980 for (cp = format; *cp && (sp = find_next(cp)); cp = ep + 1) {
981 ep = strchr(sp, ')');
984 print_value(info, parse_atom(sp + 2, ep), quote_style);
987 sp = cp + strlen(cp);
993 static struct ref_sort *default_sort(void)
995 static const char cstr_name[] = "refname";
997 struct ref_sort *sort = xcalloc(1, sizeof(*sort));
1000 sort->atom = parse_atom(cstr_name, cstr_name + strlen(cstr_name));
1004 static int opt_parse_sort(const struct option *opt, const char *arg, int unset)
1006 struct ref_sort **sort_tail = opt->value;
1010 if (!arg) /* should --no-sort void the list ? */
1013 s = xcalloc(1, sizeof(*s));
1014 s->next = *sort_tail;
1022 s->atom = parse_atom(arg, arg+len);
1026 static char const * const for_each_ref_usage[] = {
1027 N_("git for-each-ref [options] [<pattern>]"),
1031 int cmd_for_each_ref(int argc, const char **argv, const char *prefix)
1034 const char *format = "%(objectname) %(objecttype)\t%(refname)";
1035 struct ref_sort *sort = NULL, **sort_tail = &sort;
1036 int maxcount = 0, quote_style = 0;
1037 struct refinfo **refs;
1038 struct grab_ref_cbdata cbdata;
1040 struct option opts[] = {
1041 OPT_BIT('s', "shell", "e_style,
1042 N_("quote placeholders suitably for shells"), QUOTE_SHELL),
1043 OPT_BIT('p', "perl", "e_style,
1044 N_("quote placeholders suitably for perl"), QUOTE_PERL),
1045 OPT_BIT(0 , "python", "e_style,
1046 N_("quote placeholders suitably for python"), QUOTE_PYTHON),
1047 OPT_BIT(0 , "tcl", "e_style,
1048 N_("quote placeholders suitably for tcl"), QUOTE_TCL),
1051 OPT_INTEGER( 0 , "count", &maxcount, N_("show only <n> matched refs")),
1052 OPT_STRING( 0 , "format", &format, N_("format"), N_("format to use for the output")),
1053 OPT_CALLBACK(0 , "sort", sort_tail, N_("key"),
1054 N_("field name to sort on"), &opt_parse_sort),
1058 parse_options(argc, argv, prefix, opts, for_each_ref_usage, 0);
1060 error("invalid --count argument: `%d'", maxcount);
1061 usage_with_options(for_each_ref_usage, opts);
1063 if (HAS_MULTI_BITS(quote_style)) {
1064 error("more than one quoting style?");
1065 usage_with_options(for_each_ref_usage, opts);
1067 if (verify_format(format))
1068 usage_with_options(for_each_ref_usage, opts);
1071 sort = default_sort();
1072 sort_atom_limit = used_atom_cnt;
1074 /* for warn_ambiguous_refs */
1075 git_config(git_default_config, NULL);
1077 memset(&cbdata, 0, sizeof(cbdata));
1078 cbdata.grab_pattern = argv;
1079 for_each_rawref(grab_single_ref, &cbdata);
1080 refs = cbdata.grab_array;
1081 num_refs = cbdata.grab_cnt;
1083 sort_refs(sort, refs, num_refs);
1085 if (!maxcount || num_refs < maxcount)
1086 maxcount = num_refs;
1087 for (i = 0; i < maxcount; i++)
1088 show_ref(refs[i], format, quote_style);