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-rw-r--r--mailmap.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/mailmap.c b/mailmap.c
index 8c3196c7d7..ea4b471ede 100644
--- a/mailmap.c
+++ b/mailmap.c
@@ -118,7 +118,7 @@ static char *parse_name_and_email(char *buffer, char **name,
while (isspace(*nstart) && nstart < left)
++nstart;
nend = left-1;
- while (isspace(*nend) && nend > nstart)
+ while (nend > nstart && isspace(*nend))
--nend;
*name = (nstart < nend ? nstart : NULL);
@@ -190,27 +190,27 @@ void clear_mailmap(struct string_list *map)
int map_user(struct string_list *map,
char *email, int maxlen_email, char *name, int maxlen_name)
{
- char *p;
+ char *end_of_email;
struct string_list_item *item;
struct mailmap_entry *me;
char buf[1024], *mailbuf;
int i;
/* figure out space requirement for email */
- p = strchr(email, '>');
- if (!p) {
+ end_of_email = strchr(email, '>');
+ if (!end_of_email) {
/* email passed in might not be wrapped in <>, but end with a \0 */
- p = memchr(email, '\0', maxlen_email);
- if (!p)
+ end_of_email = memchr(email, '\0', maxlen_email);
+ if (!end_of_email)
return 0;
}
- if (p - email + 1 < sizeof(buf))
+ if (end_of_email - email + 1 < sizeof(buf))
mailbuf = buf;
else
- mailbuf = xmalloc(p - email + 1);
+ mailbuf = xmalloc(end_of_email - email + 1);
/* downcase the email address */
- for (i = 0; i < p - email; i++)
+ for (i = 0; i < end_of_email - email; i++)
mailbuf[i] = tolower(email[i]);
mailbuf[i] = 0;
@@ -236,6 +236,8 @@ int map_user(struct string_list *map,
}
if (maxlen_email && mi->email)
strlcpy(email, mi->email, maxlen_email);
+ else
+ *end_of_email = '\0';
if (maxlen_name && mi->name)
strlcpy(name, mi->name, maxlen_name);
debug_mm("map_user: to '%s' <%s>\n", name, mi->email ? mi->email : "");