git/mailmap.c

   1 #include "cache.h"
   2 #include "path-list.h"
   3 #include "mailmap.h"
   4
   5 int read_mailmap(struct path_list *map, const char *filename, char **repo_abbrev)
   6 {
   7         char buffer[1024];
   8         FILE *f = fopen(filename, "r");
   9
  10         if (f == NULL)
  11                 return 1;
  12         while (fgets(buffer, sizeof(buffer), f) != NULL) {
  13                 char *end_of_name, *left_bracket, *right_bracket;
  14                 char *name, *email;
  15                 int i;
  16                 if (buffer[0] == '#') {
  17                         static const char abbrev[] = "# repo-abbrev:";
  18                         int abblen = sizeof(abbrev) - 1;
  19                         int len = strlen(buffer);
  20
  21                         if (!repo_abbrev)
  22                                 continue;
  23
  24                         if (len && buffer[len - 1] == '\n')
  25                                 buffer[--len] = 0;
  26                         if (!strncmp(buffer, abbrev, abblen)) {
  27                                 char *cp;
  28
  29                                 if (repo_abbrev)
  30                                         free(*repo_abbrev);
  31                                 *repo_abbrev = xmalloc(len);
  32
  33                                 for (cp = buffer + abblen; isspace(*cp); cp++)
  34                                         ; /* nothing */
  35                                 strcpy(*repo_abbrev, cp);
  36                         }
  37                         continue;
  38                 }
  39                 if ((left_bracket = strchr(buffer, '<')) == NULL)
  40                         continue;
  41                 if ((right_bracket = strchr(left_bracket + 1, '>')) == NULL)
  42                         continue;
  43                 if (right_bracket == left_bracket + 1)
  44                         continue;
  45                 for (end_of_name = left_bracket; end_of_name != buffer
  46                                 && isspace(end_of_name[-1]); end_of_name--)
  47                         /* keep on looking */
  48                 if (end_of_name == buffer)
  49                         continue;
  50                 name = xmalloc(end_of_name - buffer + 1);
  51                 strlcpy(name, buffer, end_of_name - buffer + 1);
  52                 email = xmalloc(right_bracket - left_bracket);
  53                 for (i = 0; i < right_bracket - left_bracket - 1; i++)
  54                         email[i] = tolower(left_bracket[i + 1]);
  55                 email[right_bracket - left_bracket - 1] = '\0';
  56                 path_list_insert(email, map)->util = name;
  57         }
  58         fclose(f);
  59         return 0;
  60 }
  61
  62 int map_email(struct path_list *map, const char *email, char *name, int maxlen)
  63 {
  64         char *p;
  65         struct path_list_item *item;
  66         char buf[1024], *mailbuf;
  67         int i;
  68
  69         /* autocomplete common developers */
  70         p = strchr(email, '>');
  71         if (!p)
  72                 return 0;
  73         if (p - email + 1 < sizeof(buf))
  74                 mailbuf = buf;
  75         else
  76                 mailbuf = xmalloc(p - email + 1);
  77
  78         /* downcase the email address */
  79         for (i = 0; i < p - email; i++)
  80                 mailbuf[i] = tolower(email[i]);
  81         mailbuf[i] = 0;
  82         item = path_list_lookup(mailbuf, map);
  83         if (mailbuf != buf)
  84                 free(mailbuf);
  85         if (item != NULL) {
  86                 const char *realname = (const char *)item->util;
  87                 strlcpy(name, realname, maxlen);
  88                 return 1;
  89         }
  90         return 0;
  91 }