*: introduce and use ffulsh_all()

function                                             old     new   delta
buffer_fill_and_print                                179     196     +17
fflush_all                                             -       9      +9
spawn                                                 87      92      +5
rtcwake_main                                         455     453      -2
...
alarm_intr                                            93      84      -9
readcmd                                             1072    1062     -10
bb_ask                                               345     333     -12
more_main                                            845     832     -13
flush_stdout_stderr                                   42      23     -19
xfflush_stdout                                        27       -     -27
flush_stderr                                          30       -     -30
------------------------------------------------------------------------------
(add/remove: 1/2 grow/shrink: 2/50 up/down: 31/-397)         Total: -366 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

9 files changed, 12 insertions, 12 deletions

diff --git a/networking/arping.c b/networking/arping.c
index 71690cf30..e3418a945 100644
--- a/networking/arping.c
+++ b/networking/arping.c
@@ -237,7 +237,7 @@ static bool recv_pack(unsigned char *buf, int len, struct sockaddr_ll *FROM)
 		} else {
 			printf(" UNSOLICITED?\n");
 		}
-		fflush(stdout);
+		fflush_all();
 	}
 	received++;
 	if (FROM->sll_pkttype != PACKET_HOST)
diff --git a/networking/ftpd.c b/networking/ftpd.c
index 70a353312..9937cc3ea 100644
--- a/networking/ftpd.c
+++ b/networking/ftpd.c
@@ -630,7 +630,7 @@ popen_ls(const char *opt)
 	cwd = xrealloc_getcwd_or_warn(NULL);
 	xpiped_pair(outfd);
 
-	/*fflush(NULL); - so far we dont use stdio on output */
+	/*fflush_all(); - so far we dont use stdio on output */
 	pid = BB_MMU ? fork() : vfork();
 	if (pid < 0)
 		bb_perror_msg_and_die(BB_MMU ? "fork" : "vfork");
diff --git a/networking/ifupdown.c b/networking/ifupdown.c
index d0c5cce07..88d1944da 100644
--- a/networking/ifupdown.c
+++ b/networking/ifupdown.c
@@ -969,7 +969,7 @@ static int doit(char *str)
 		pid_t child;
 		int status;
 
-		fflush(NULL);
+		fflush_all();
 		child = vfork();
 		switch (child) {
 		case -1: /* failure */
@@ -1038,7 +1038,7 @@ static int popen2(FILE **in, FILE **out, char *command, char *param)
 	xpiped_pair(infd);
 	xpiped_pair(outfd);
 
-	fflush(NULL);
+	fflush_all();
 	pid = vfork();
 
 	switch (pid) {
diff --git a/networking/libiproute/ipaddress.c b/networking/libiproute/ipaddress.c
index 86d27548b..fcf9623e4 100644
--- a/networking/libiproute/ipaddress.c
+++ b/networking/libiproute/ipaddress.c
@@ -182,7 +182,7 @@ static NOINLINE int print_linkinfo(const struct nlmsghdr *n)
 		}
 	}
 	bb_putchar('\n');
-	/*fflush(stdout);*/
+	/*fflush_all();*/
 	return 0;
 }
 
@@ -344,7 +344,7 @@ static int FAST_FUNC print_addrinfo(const struct sockaddr_nl *who UNUSED_PARAM,
 		printf("       %s", buf);
 	}
 	bb_putchar('\n');
-	/*fflush(stdout);*/
+	/*fflush_all();*/
 	return 0;
 }
 
diff --git a/networking/libiproute/iprule.c b/networking/libiproute/iprule.c
index e52473117..659f3a9f0 100644
--- a/networking/libiproute/iprule.c
+++ b/networking/libiproute/iprule.c
@@ -151,7 +151,7 @@ static int FAST_FUNC print_rule(const struct sockaddr_nl *who UNUSED_PARAM,
 		fputs(rtnl_rtntype_n2a(r->rtm_type, b1), stdout);
 
 	bb_putchar('\n');
-	/*fflush(stdout);*/
+	/*fflush_all();*/
 	return 0;
 }
 
diff --git a/networking/nc_bloaty.c b/networking/nc_bloaty.c
index 9aaeec100..ad98bed30 100644
--- a/networking/nc_bloaty.c
+++ b/networking/nc_bloaty.c
@@ -152,7 +152,7 @@ enum {
 /* Debug: squirt whatever message and sleep a bit so we can see it go by. */
 /* Beware: writes to stdOUT... */
 #if 0
-#define Debug(...) do { printf(__VA_ARGS__); printf("\n"); fflush(stdout); sleep(1); } while (0)
+#define Debug(...) do { printf(__VA_ARGS__); printf("\n"); fflush_all(); sleep(1); } while (0)
 #else
 #define Debug(...) do { } while (0)
 #endif
diff --git a/networking/ping.c b/networking/ping.c
index 71b2a4be8..d30eb5cfa 100644
--- a/networking/ping.c
+++ b/networking/ping.c
@@ -491,7 +491,7 @@ static void unpack_tail(int sz, uint32_t *tp,
 	if (tp)
 		printf(" time=%u.%03u ms", triptime / 1000, triptime % 1000);
 	puts(dupmsg);
-	fflush(stdout);
+	fflush_all();
 }
 static void unpack4(char *buf, int sz, struct sockaddr_in *from)
 {
diff --git a/networking/telnetd.c b/networking/telnetd.c
index 163efaa42..b0a1cc4d8 100644
--- a/networking/telnetd.c
+++ b/networking/telnetd.c
@@ -288,7 +288,7 @@ make_new_session(
 		/*ts->size2 = 0;*/
 	}
 
-	fflush(NULL); /* flush all streams */
+	fflush_all();
 	pid = vfork(); /* NOMMU-friendly */
 	if (pid < 0) {
 		free(ts);
@@ -331,7 +331,7 @@ make_new_session(
 	/*termbuf.c_lflag &= ~ICANON;*/
 	tcsetattr_stdin_TCSANOW(&termbuf);
 
-	/* Uses FILE-based I/O to stdout, but does fflush(stdout),
+	/* Uses FILE-based I/O to stdout, but does fflush_all(),
 	 * so should be safe with vfork.
 	 * I fear, though, that some users will have ridiculously big
 	 * issue files, and they may block writing to fd 1,
diff --git a/networking/traceroute.c b/networking/traceroute.c
index 7284f0022..fa45db98a 100644
--- a/networking/traceroute.c
+++ b/networking/traceroute.c
@@ -815,7 +815,7 @@ int traceroute_main(int argc, char **argv)
 
 			if (!first && pausemsecs > 0)
 				usleep(pausemsecs * 1000);
-			fflush(stdout);
+			fflush_all();
 
 			t1 = monotonic_us();
 			send_probe(++seq, ttl);