Add map_user() and clear_mailmap() to mailmap
map_user() allows to lookup and replace both email and name of a user, based on a new style mailmap file. The possible mailmap definitions are now: proper_name <commit_email> # Old style <proper_email> <commit_email> # New style proper_name <proper_email> <commit_email> # New style proper_name <proper_email> commit_name <commit_email> # New style map_email() operates the same as before, with the exception that it also will to try to match on a name passed in through the name return buffer. clear_mailmap() is needed to now clear the more complex mailmap structure. Signed-off-by: Marius Storm-Olsen <marius@trolltech.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Marius Storm-Olsen
committed by
Junio C Hamano
Junio C Hamano
parent
cfa1ee6b34
commit
0925ce4d49
196
mailmap.c
196
mailmap.c
@ -2,7 +2,122 @@
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#include "string-list.h"
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#include "mailmap.h"
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#define DEBUG_MAILMAP 0
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#if DEBUG_MAILMAP
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#define debug_mm(...) fprintf(stderr, __VA_ARGS__)
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#else
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static inline void debug_mm(const char *format, ...) {}
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#endif
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const char *git_mailmap_file;
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struct mailmap_info {
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char *name;
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char *email;
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};
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struct mailmap_entry {
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/* name and email for the simple mail-only case */
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char *name;
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char *email;
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/* name and email for the complex mail and name matching case */
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struct string_list namemap;
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};
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static void free_mailmap_info(void *p, const char *s)
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{
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struct mailmap_info *mi = (struct mailmap_info *)p;
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debug_mm("mailmap: -- complex: '%s' -> '%s' <%s>\n", s, mi->name, mi->email);
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free(mi->name);
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free(mi->email);
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}
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static void free_mailmap_entry(void *p, const char *s)
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{
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struct mailmap_entry *me = (struct mailmap_entry *)p;
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debug_mm("mailmap: removing entries for <%s>, with %d sub-entries\n", s, me->namemap.nr);
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debug_mm("mailmap: - simple: '%s' <%s>\n", me->name, me->email);
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free(me->name);
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free(me->email);
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me->namemap.strdup_strings = 1;
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string_list_clear_func(&me->namemap, free_mailmap_info);
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}
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static void add_mapping(struct string_list *map,
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char *new_name, char *new_email, char *old_name, char *old_email)
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{
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struct mailmap_entry *me;
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int index;
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if (old_email == NULL) {
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old_email = new_email;
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new_email = NULL;
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}
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if ((index = string_list_find_insert_index(map, old_email, 1)) < 0) {
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/* mailmap entry exists, invert index value */
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index = -1 - index;
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} else {
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/* create mailmap entry */
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struct string_list_item *item = string_list_insert_at_index(index, old_email, map);
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item->util = xmalloc(sizeof(struct mailmap_entry));
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memset(item->util, 0, sizeof(struct mailmap_entry));
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((struct mailmap_entry *)item->util)->namemap.strdup_strings = 1;
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}
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me = (struct mailmap_entry *)map->items[index].util;
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if (old_name == NULL) {
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debug_mm("mailmap: adding (simple) entry for %s at index %d\n", old_email, index);
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/* Replace current name and new email for simple entry */
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free(me->name);
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free(me->email);
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if (new_name)
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me->name = xstrdup(new_name);
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if (new_email)
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me->email = xstrdup(new_email);
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} else {
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struct mailmap_info *mi = xmalloc(sizeof(struct mailmap_info));
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debug_mm("mailmap: adding (complex) entry for %s at index %d\n", old_email, index);
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if (new_name)
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mi->name = xstrdup(new_name);
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if (new_email)
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mi->email = xstrdup(new_email);
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string_list_insert(old_name, &me->namemap)->util = mi;
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}
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debug_mm("mailmap: '%s' <%s> -> '%s' <%s>\n",
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old_name, old_email, new_name, new_email);
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}
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static char *parse_name_and_email(char *buffer, char **name, char **email)
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{
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char *left, *right, *nstart, *nend;
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*name = *email = 0;
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if ((left = strchr(buffer, '<')) == NULL)
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return NULL;
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if ((right = strchr(left+1, '>')) == NULL)
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return NULL;
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if (left+1 == right)
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return NULL;
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/* remove whitespace from beginning and end of name */
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nstart = buffer;
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while (isspace(*nstart) && nstart < left)
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++nstart;
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nend = left-1;
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while (isspace(*nend) && nend > nstart)
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--nend;
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*name = (nstart < nend ? nstart : NULL);
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*email = left+1;
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*(nend+1) = '\0';
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*right++ = '\0';
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return (*right == '\0' ? NULL : right);
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}
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static int read_single_mailmap(struct string_list *map, const char *filename, char **repo_abbrev)
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{
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char buffer[1024];
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@ -11,9 +126,7 @@ static int read_single_mailmap(struct string_list *map, const char *filename, ch
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if (f == NULL)
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return 1;
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while (fgets(buffer, sizeof(buffer), f) != NULL) {
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char *end_of_name, *left_bracket, *right_bracket;
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char *name, *email;
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int i;
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char *name1 = 0, *email1 = 0, *name2 = 0, *email2 = 0;
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if (buffer[0] == '#') {
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static const char abbrev[] = "# repo-abbrev:";
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int abblen = sizeof(abbrev) - 1;
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@ -37,25 +150,11 @@ static int read_single_mailmap(struct string_list *map, const char *filename, ch
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}
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continue;
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}
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if ((left_bracket = strchr(buffer, '<')) == NULL)
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continue;
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if ((right_bracket = strchr(left_bracket + 1, '>')) == NULL)
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continue;
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if (right_bracket == left_bracket + 1)
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continue;
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for (end_of_name = left_bracket;
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end_of_name != buffer && isspace(end_of_name[-1]);
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end_of_name--)
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; /* keep on looking */
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if (end_of_name == buffer)
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continue;
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name = xmalloc(end_of_name - buffer + 1);
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strlcpy(name, buffer, end_of_name - buffer + 1);
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email = xmalloc(right_bracket - left_bracket);
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for (i = 0; i < right_bracket - left_bracket - 1; i++)
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email[i] = tolower(left_bracket[i + 1]);
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email[right_bracket - left_bracket - 1] = '\0';
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string_list_insert(email, map)->util = name;
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if ((name2 = parse_name_and_email(buffer, &name1, &email1)) != NULL)
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parse_name_and_email(name2, &name2, &email2);
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if (email1)
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add_mapping(map, name1, email1, name2, email2);
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}
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fclose(f);
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return 0;
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@ -63,22 +162,37 @@ static int read_single_mailmap(struct string_list *map, const char *filename, ch
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int read_mailmap(struct string_list *map, char **repo_abbrev)
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{
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map->strdup_strings = 1;
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/* each failure returns 1, so >1 means both calls failed */
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return read_single_mailmap(map, ".mailmap", repo_abbrev) +
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read_single_mailmap(map, git_mailmap_file, repo_abbrev) > 1;
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}
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int map_email(struct string_list *map, const char *email, char *name, int maxlen)
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void clear_mailmap(struct string_list *map)
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{
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debug_mm("mailmap: clearing %d entries...\n", map->nr);
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map->strdup_strings = 1;
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string_list_clear_func(map, free_mailmap_entry);
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debug_mm("mailmap: cleared\n");
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}
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int map_user(struct string_list *map,
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char *email, int maxlen_email, char *name, int maxlen_name)
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{
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char *p;
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struct string_list_item *item;
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struct mailmap_entry *me;
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char buf[1024], *mailbuf;
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int i;
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/* autocomplete common developers */
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/* figure out space requirement for email */
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p = strchr(email, '>');
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if (!p)
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return 0;
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if (!p) {
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/* email passed in might not be wrapped in <>, but end with a \0 */
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p = memchr(email, '\0', maxlen_email);
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if (p == 0)
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return 0;
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}
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if (p - email + 1 < sizeof(buf))
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mailbuf = buf;
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else
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@ -88,13 +202,39 @@ int map_email(struct string_list *map, const char *email, char *name, int maxlen
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for (i = 0; i < p - email; i++)
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mailbuf[i] = tolower(email[i]);
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mailbuf[i] = 0;
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debug_mm("map_user: map '%s' <%s>\n", name, mailbuf);
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item = string_list_lookup(mailbuf, map);
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if (item != NULL) {
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me = (struct mailmap_entry *)item->util;
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if (me->namemap.nr) {
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/* The item has multiple items, so we'll look up on name too */
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/* If the name is not found, we choose the simple entry */
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struct string_list_item *subitem = string_list_lookup(name, &me->namemap);
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if (subitem)
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item = subitem;
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}
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}
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if (mailbuf != buf)
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free(mailbuf);
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if (item != NULL) {
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const char *realname = (const char *)item->util;
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strlcpy(name, realname, maxlen);
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struct mailmap_info *mi = (struct mailmap_info *)item->util;
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if (mi->name == NULL && (mi->email == NULL || maxlen_email == 0)) {
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debug_mm("map_user: -- (no simple mapping)\n");
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return 0;
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}
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if (maxlen_email && mi->email)
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strlcpy(email, mi->email, maxlen_email);
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if (maxlen_name && mi->name)
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strlcpy(name, mi->name, maxlen_name);
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debug_mm("map_user: to '%s' <%s>\n", name, mi->email ? mi->email : "");
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return 1;
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}
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debug_mm("map_user: --\n");
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return 0;
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}
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int map_email(struct string_list *map, const char *email, char *name, int maxlen)
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{
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return map_user(map, (char *)email, 0, name, maxlen);
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}
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