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 (len && buffer[len - 1] == '\n')
  21                                 buffer[--len] = 0;
  22                         if (!strncmp(buffer, abbrev, abblen)) {
  23                                 char *cp;
  24
  25                                 if (repo_abbrev)
  26                                         free(*repo_abbrev);
  27                                 *repo_abbrev = xmalloc(len);
  28
  29                                 for (cp = buffer + abblen; isspace(*cp); cp++)
  30                                         ; /* nothing */
  31                                 strcpy(*repo_abbrev, cp);
  32                         }
  33                         continue;
  34                 }
  35                 if ((left_bracket = strchr(buffer, '<')) == NULL)
  36                         continue;
  37                 if ((right_bracket = strchr(left_bracket + 1, '>')) == NULL)
  38                         continue;
  39                 if (right_bracket == left_bracket + 1)
  40                         continue;
  41                 for (end_of_name = left_bracket; end_of_name != buffer
  42                                 && isspace(end_of_name[-1]); end_of_name--)
  43                         /* keep on looking */
  44                 if (end_of_name == buffer)
  45                         continue;
  46                 name = xmalloc(end_of_name - buffer + 1);
  47                 strlcpy(name, buffer, end_of_name - buffer + 1);
  48                 email = xmalloc(right_bracket - left_bracket);
  49                 for (i = 0; i < right_bracket - left_bracket - 1; i++)
  50                         email[i] = tolower(left_bracket[i + 1]);
  51                 email[right_bracket - left_bracket - 1] = '\0';
  52                 path_list_insert(email, map)->util = name;
  53         }
  54         fclose(f);
  55         return 0;
  56 }
  57
  58 int map_email(struct path_list *map, const char *email, char *name, int maxlen)
  59 {
  60         char *p;
  61         struct path_list_item *item;
  62         char buf[1024], *mailbuf;
  63         int i;
  64
  65         /* autocomplete common developers */
  66         p = strchr(email, '>');
  67         if (!p)
  68                 return 0;
  69         if (p - email + 1 < sizeof(buf))
  70                 mailbuf = buf;
  71         else
  72                 mailbuf = xmalloc(p - email + 1);
  73
  74         /* downcase the email address */
  75         for (i = 0; i < p - email; i++)
  76                 mailbuf[i] = tolower(email[i]);
  77         mailbuf[i] = 0;
  78         item = path_list_lookup(mailbuf, map);
  79         if (mailbuf != buf)
  80                 free(mailbuf);
  81         if (item != NULL) {
  82                 const char *realname = (const char *)item->util;
  83                 strncpy(name, realname, maxlen);
  84                 return 1;
  85         }
  86         return 0;
  87 }
  88