X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=config%2Fconf.c;h=8b5fdf57921572c93f950d65af93b147fd3a87e3;hb=1cfdda61ec3a7dca2bbebbfe3ef307817c6c5127;hp=649ea82772335ebf8e159fc4bede8ef8cf8a39c4;hpb=bf9ab8c70df745eaf49ff47462a5eb1cd3bf1cc1;p=carl9170fw.git

diff --git a/config/conf.c b/config/conf.c
index 649ea82..8b5fdf5 100644
--- a/config/conf.c
+++ b/config/conf.c
@@ -13,6 +13,7 @@
 #include <getopt.h>
 #include <sys/stat.h>
 #include <sys/time.h>
+#include <errno.h>
 
 #include "lkc.h"
 
@@ -35,6 +36,7 @@ enum input_mode {
 } input_mode = oldaskconfig;
 
 static int indent = 1;
+static int tty_stdio;
 static int valid_stdin = 1;
 static int conf_cnt;
 static char line[128];
@@ -105,6 +107,8 @@ static int conf_askvalue(struct symbol *sym, const char *def)
 	case oldaskconfig:
 		fflush(stdout);
 		xfgets(line, 128, stdin);
+		if (!tty_stdio)
+			printf("\n");
 		return 1;
 	default:
 		break;
@@ -482,6 +486,8 @@ int main(int ac, char **av)
 	bindtextdomain(PACKAGE, LOCALEDIR);
 	textdomain(PACKAGE);
 
+	tty_stdio = isatty(0) && isatty(1) && isatty(2);
+
 	while ((opt = getopt_long(ac, av, "", long_opts, NULL)) != -1) {
 		input_mode = (enum input_mode)opt;
 		switch (opt) {
@@ -493,14 +499,23 @@ int main(int ac, char **av)
 		{
 			struct timeval now;
 			unsigned int seed;
+			char *seed_env;
 
 			/*
 			 * Use microseconds derived seed,
 			 * compensate for systems where it may be zero
 			 */
 			gettimeofday(&now, NULL);
-
 			seed = (unsigned int)((now.tv_sec + 1) * (now.tv_usec + 1));
+
+			seed_env = getenv("KCONFIG_SEED");
+			if( seed_env && *seed_env ) {
+				char *endp;
+				int tmp = (int)strtol(seed_env, &endp, 0);
+				if (*endp == '\0') {
+					seed = tmp;
+				}
+			}
 			srand(seed);
 			break;
 		}
@@ -583,7 +598,7 @@ int main(int ac, char **av)
 		break;
 	}
 
-	valid_stdin = isatty(0) && isatty(1) && isatty(2);
+	valid_stdin = tty_stdio;
 
 	switch (input_mode) {
 	case allnoconfig: