X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fbasic%2Fterminal-util.c;h=6cf623d5196fc16d7ca4b908829a406d1a6704aa;hb=e6f1cc1ecaf4cefa1c8a892aab6e136b1061c6a3;hp=0659310a743b92a759c1a1743d8720c746982f0f;hpb=35eec258c4523c92fe985d764198b266ebc3881a;p=elogind.git diff --git a/src/basic/terminal-util.c b/src/basic/terminal-util.c index 0659310a7..6cf623d51 100644 --- 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; @@ -347,12 +354,7 @@ int open_terminal(const char *name, int mode) { } r = isatty(fd); - if (r < 0) { - safe_close(fd); - return -errno; - } - - if (!r) { + if (r == 0) { safe_close(fd); return -ENOTTY; } @@ -462,7 +464,7 @@ int acquire_terminal( goto fail; } - r = fd_wait_for_event(fd, POLLIN, ts + timeout - n); + r = fd_wait_for_event(notify, POLLIN, ts + timeout - n); if (r < 0) goto fail; @@ -792,7 +794,7 @@ bool tty_is_vc_resolve(const char *tty) { } const char *default_term_for_tty(const char *tty) { - return tty && tty_is_vc_resolve(tty) ? "TERM=linux" : "TERM=vt220"; + return tty && tty_is_vc_resolve(tty) ? "linux" : "vt220"; } #endif // 0 @@ -1224,15 +1226,17 @@ bool colors_enabled(void) { static int enabled = -1; if (_unlikely_(enabled < 0)) { - const char *colors; +#if 0 /// elogind does not allow such forcing, and we are never init! + int val; - colors = getenv("SYSTEMD_COLORS"); - if (colors) - enabled = parse_boolean(colors) != 0; + val = getenv_bool("SYSTEMD_COLORS"); + if (val >= 0) + enabled = val; else if (getpid() == 1) /* PID1 outputs to the console without holding it open all the time */ enabled = !getenv_terminal_is_dumb(); else +#endif // 0 enabled = !terminal_is_dumb(); }