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bc: add preparatory indent block, no code changes

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2018-12-06 10:26:13 +01:00
parent 1a6a482d19
commit ed849351d1
1 changed files with 30 additions and 30 deletions
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60
miscutils/bc.c
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@ -1216,41 +1216,41 @@ static BcStatus bc_read_line(BcVec *vec, const char *prompt)
, stderr); , stderr);
} }
#endif #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 #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 #endif
do { if (ferror(stdin))
i = fgetc(stdin); quit(); // this emits error message
if (i == EOF) { G.eof = 1;
#if ENABLE_FEATURE_BC_SIGNALS // Note: EOF does not append '\n', therefore:
// Both conditions appear simultaneously, check both just in case // printf 'print 123\n' | bc - works
if (errno == EINTR || bb_got_signal) { // printf 'print 123' | bc - fails (syntax error)
// ^C was pressed break;
clearerr(stdin);
goto intr;
} }
#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'? if ((i < ' ' && i != '\t' && i != '\r' && i != '\n') // also allow '\v' '\f'?
|| i > 0x7e || i > 0x7e
) { ) {
// Bad chars on this line, ignore entire line // Bad chars on this line, ignore entire line
bc_error_fmt("illegal character 0x%02x", i); bc_error_fmt("illegal character 0x%02x", i);
bad_chars = 1; bad_chars = 1;
} }
bc_vec_pushByte(vec, (char)i); bc_vec_pushByte(vec, (char)i);
} while (i != '\n'); } while (i != '\n');
}
} while (bad_chars); } while (bad_chars);
bc_vec_pushZeroByte(vec); bc_vec_pushZeroByte(vec);