Documentation/submodule: add command references and update options

diff --git a/ident.c b/ident.c
index 9e2438826dfce158e04549933d5c588dd6abcf5c..35a6f264737e700ddd45714a0e966422a0d756c7 100644 (file)
--- a/ident.c
+++ b/ident.c
@@ -9,6 +9,12 @@
 
 static char git_default_date[50];
 
+#ifdef NO_GECOS_IN_PWENT
+#define get_gecos(ignored) "&"
+#else
+#define get_gecos(struct_passwd) ((struct_passwd)->pw_gecos)
+#endif
+
 static void copy_gecos(const struct passwd *w, char *name, size_t sz)
 {
        char *src, *dst;
@@ -20,7 +26,7 @@ static void copy_gecos(const struct passwd *w, char *name, size_t sz)
         * with commas.  Also & stands for capitalized form of the login name.
         */
 
-       for (len = 0, dst = name, src = w->pw_gecos; len < sz; src++) {
+       for (len = 0, dst = name, src = get_gecos(w); len < sz; src++) {
                int ch = *src;
                if (ch != '&') {
                        *dst++ = ch;
@@ -34,6 +40,7 @@ static void copy_gecos(const struct passwd *w, char *name, size_t sz)
                        *dst++ = toupper(*w->pw_name);
                        memcpy(dst, w->pw_name + 1, nlen - 1);
                        dst += nlen - 1;
+                       len += nlen;
                }
        }
        if (len < sz)
@@ -217,8 +224,10 @@ const char *fmt_ident(const char *name, const char *email,
        }
 
        strcpy(date, git_default_date);
-       if (!name_addr_only && date_str)
-               parse_date(date_str, date, sizeof(date));
+       if (!name_addr_only && date_str && date_str[0]) {
+               if (parse_date(date_str, date, sizeof(date)) < 0)
+                       die("invalid date format: %s", date_str);
+       }
 
        i = copy(buffer, sizeof(buffer), 0, name);
        i = add_raw(buffer, sizeof(buffer), i, " <");