Documentation/submodule: add command references and update options

diff --git a/ident.c b/ident.c
index 1c4adb0a9a7e94936ba64d286cedd65f4b8255a6..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)