bc: add preparatory indent block, no code changes

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

diff --git a/miscutils/bc.c b/miscutils/bc.c
index ee4f2136430badf09bf4b6391cef5468139d8499..90c3bf5d6174793acb211b45e2f009f3ca411d1d 100644 (file)
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -1216,41 +1216,41 @@ static BcStatus bc_read_line(BcVec *vec, const char *prompt)
                                , stderr);
                }
 #endif
-               if (G_ttyin && !G_posix)
-                       fputs(prompt, stderr);
+               {
+                       if (G_ttyin && !G_posix)
+                               fputs(prompt, stderr);
 
+                       IF_FEATURE_BC_SIGNALS(errno = 0;)
+                       do {
+                               i = fgetc(stdin);
+                               if (i == EOF) {
 #if ENABLE_FEATURE_BC_SIGNALS
-               errno = 0;
+                                       // Both conditions appear simultaneously, check both just in case
+                                       if (errno == EINTR || bb_got_signal) {
+                                               // ^C was pressed
+                                               clearerr(stdin);
+                                               goto intr;
+                                       }
 #endif
-               do {
-                       i = fgetc(stdin);
-                       if (i == EOF) {
-#if ENABLE_FEATURE_BC_SIGNALS
-                               // Both conditions appear simultaneously, check both just in case
-                               if (errno == EINTR || bb_got_signal) {
-                                       // ^C was pressed
-                                       clearerr(stdin);
-                                       goto intr;
+                                       if (ferror(stdin))
+                                               quit(); // this emits error message
+                                       G.eof = 1;
+                                       // Note: EOF does not append '\n', therefore:
+                                       // printf 'print 123\n' | bc - works
+                                       // printf 'print 123' | bc   - fails (syntax error)
+                                       break;
                                }
-#endif
-                               if (ferror(stdin))
-                                       quit(); // this emits error message
-                               G.eof = 1;
-                               // Note: EOF does not append '\n', therefore:
-                               // printf 'print 123\n' | bc - works
-                               // printf 'print 123' | bc   - fails (syntax error)
-                               break;
-                       }
 
-                       if ((i < ' ' && i != '\t' && i != '\r' && i != '\n') // also allow '\v' '\f'?
-                        || i > 0x7e
-                       ) {
-                               // Bad chars on this line, ignore entire line
-                               bc_error_fmt("illegal character 0x%02x", i);
-                               bad_chars = 1;
-                       }
-                       bc_vec_pushByte(vec, (char)i);
-               } while (i != '\n');
+                               if ((i < ' ' && i != '\t' && i != '\r' && i != '\n') // also allow '\v' '\f'?
+                                || i > 0x7e
+                               ) {
+                                       // Bad chars on this line, ignore entire line
+                                       bc_error_fmt("illegal character 0x%02x", i);
+                                       bad_chars = 1;
+                               }
+                               bc_vec_pushByte(vec, (char)i);
+                       } while (i != '\n');
+               }
        } while (bad_chars);
 
        bc_vec_pushZeroByte(vec);