mailmap.c

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