core: introduce parse_ip_port (#4825)

[elogind.git] / src / basic / terminal-util.c

diff --git a/src/basic/terminal-util.c b/src/basic/terminal-util.c
index 98600f7a42f731d4a62e172c2b4f8e5cc622854a..6cf623d5196fc16d7ca4b908829a406d1a6704aa 100644 (file)
--- a/src/basic/terminal-util.c
+++ b/src/basic/terminal-util.c
@@ -144,12 +144,14 @@ int read_one_char(FILE *f, char *ret, usec_t t, bool *need_nl) {
         return 0;
 }
 
-int ask_char(char *ret, const char *replies, const char *text, ...) {
+#define DEFAULT_ASK_REFRESH_USEC (2*USEC_PER_SEC)
+
+int ask_char(char *ret, const char *replies, const char *fmt, ...) {
         int r;
 
         assert(ret);
         assert(replies);
-        assert(text);
+        assert(fmt);
 
         for (;;) {
                 va_list ap;
@@ -159,8 +161,10 @@ int ask_char(char *ret, const char *replies, const char *text, ...) {
                 if (colors_enabled())
                         fputs(ANSI_HIGHLIGHT, stdout);
 
-                va_start(ap, text);
-                vprintf(text, ap);
+                putchar('\r');
+
+                va_start(ap, fmt);
+                vprintf(fmt, ap);
                 va_end(ap);
 
                 if (colors_enabled())
@@ -168,9 +172,12 @@ int ask_char(char *ret, const char *replies, const char *text, ...) {
 
                 fflush(stdout);
 
-                r = read_one_char(stdin, &c, USEC_INFINITY, &need_nl);
+                r = read_one_char(stdin, &c, DEFAULT_ASK_REFRESH_USEC, &need_nl);
                 if (r < 0) {
 
+                        if (r == -ETIMEDOUT)
+                                continue;
+
                         if (r == -EBADMSG) {
                                 puts("Bad input, please try again.");
                                 continue;