[git commit] bc: unbreak "only bc" and "only dc" configs

[Denys Vlasenko]

commit: https://git.busybox.net/busybox/commit/?id=e755e30402e1e8071563e03f442998cac162f295
branch: https://git.busybox.net/busybox/commit/?id=refs/heads/master

Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
 miscutils/bc.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/miscutils/bc.c b/miscutils/bc.c
index 5938e54ab..1f0802a4d 100644
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -1360,7 +1360,8 @@ static void bc_read_line(BcVec *vec)
 		if (n <= 0) { // read errors or EOF, or ^D, or ^C
 			if (n == 0) // ^C
 				goto intr;
-			break;
+			bc_vec_pushZeroByte(vec);
+			return;
 		}
 		i = 0;
 		for (;;) {
@@ -2913,8 +2914,8 @@ static void bc_lex_file(BcLex *l)
 	l->newline = false;
 }
 
-static BC_STATUS zbc_lex_token(BcLex *l);
-static BC_STATUS zdc_lex_token(BcLex *l);
+IF_BC(static BC_STATUS zbc_lex_token(BcLex *l);)
+IF_DC(static BC_STATUS zdc_lex_token(BcLex *l);)
 
 static BC_STATUS zcommon_lex_token(BcLex *l)
 {
@@ -3475,8 +3476,8 @@ static void bc_parse_number(BcParse *p, BcInst *prev, size_t *nexs)
 	(*prev) = BC_INST_NUM;
 }
 
-static BC_STATUS zbc_parse_parse(BcParse *p);
-static BC_STATUS zdc_parse_parse(BcParse *p);
+IF_BC(static BC_STATUS zbc_parse_parse(BcParse *p);)
+IF_DC(static BC_STATUS zdc_parse_parse(BcParse *p);)
 
 static BC_STATUS zcommon_parse(BcParse *p)
 {