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tag: v1.5.2.2
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#include "cache.h"
#include "path-list.h"
#include "mailmap.h"

int read_mailmap(struct path_list *map, const char *filename, char **repo_abbrev)
{
char buffer[1024];
FILE *f = fopen(filename, "r");

if (f == NULL)
return 1;
while (fgets(buffer, sizeof(buffer), f) != NULL) {
char *end_of_name, *left_bracket, *right_bracket;
char *name, *email;
int i;
if (buffer[0] == '#') {
static const char abbrev[] = "# repo-abbrev:";
int abblen = sizeof(abbrev) - 1;
int len = strlen(buffer);

if (!repo_abbrev)
continue;

if (len && buffer[len - 1] == '\n')
buffer[--len] = 0;
if (!strncmp(buffer, abbrev, abblen)) {
char *cp;

if (repo_abbrev)
free(*repo_abbrev);
*repo_abbrev = xmalloc(len);

for (cp = buffer + abblen; isspace(*cp); cp++)
; /* nothing */
strcpy(*repo_abbrev, cp);
}
continue;
}
if ((left_bracket = strchr(buffer, '<')) == NULL)
continue;
if ((right_bracket = strchr(left_bracket + 1, '>')) == NULL)
continue;
if (right_bracket == left_bracket + 1)
continue;
for (end_of_name = left_bracket; end_of_name != buffer
&& isspace(end_of_name[-1]); end_of_name--)
/* keep on looking */
if (end_of_name == buffer)
continue;
name = xmalloc(end_of_name - buffer + 1);
strlcpy(name, buffer, end_of_name - buffer + 1);
email = xmalloc(right_bracket - left_bracket);
for (i = 0; i < right_bracket - left_bracket - 1; i++)
email[i] = tolower(left_bracket[i + 1]);
email[right_bracket - left_bracket - 1] = '\0';
path_list_insert(email, map)->util = name;
}
fclose(f);
return 0;
}

int map_email(struct path_list *map, const char *email, char *name, int maxlen)
{
char *p;
struct path_list_item *item;
char buf[1024], *mailbuf;
int i;

/* autocomplete common developers */
p = strchr(email, '>');
if (!p)
return 0;
if (p - email + 1 < sizeof(buf))
mailbuf = buf;
else
mailbuf = xmalloc(p - email + 1);

/* downcase the email address */
for (i = 0; i < p - email; i++)
mailbuf[i] = tolower(email[i]);
mailbuf[i] = 0;
item = path_list_lookup(mailbuf, map);
if (mailbuf != buf)
free(mailbuf);
if (item != NULL) {
const char *realname = (const char *)item->util;
strlcpy(name, realname, maxlen);
return 1;
}
return 0;
}
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