diff options
| -rw-r--r-- | miscutils/bc.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/miscutils/bc.c b/miscutils/bc.c index ff44293..a78446d 100644 --- a/miscutils/bc.c +++ b/miscutils/bc.c @@ -2951,7 +2951,7 @@ static BcStatus bc_lex_identifier(BcLex *l) // buf starts with keyword bc_lex_kws[i] l->t.t = BC_LEX_KEY_1st_keyword + i; if (!((1 << i) & POSIX_KWORD_MASK)) { - s = bc_posix_error_fmt("%sthe following keyword: '%.8s'", "POSIX does not allow ", bc_lex_kws[i].name8); + s = bc_posix_error_fmt("%sthe '%.8s' keyword", "POSIX does not allow ", bc_lex_kws[i].name8); if (s) return s; } @@ -2963,8 +2963,14 @@ static BcStatus bc_lex_identifier(BcLex *l) s = bc_lex_name(l); if (s) return s; - if (l->t.v.len > 2) - s = bc_posix_error_fmt("POSIX only allows one character names; the following is bad: '%s'", buf); + if (l->t.v.len > 2) { + // Prevent this: + // >>> qwe=1 + // bc: POSIX only allows one character names; the following is bad: 'qwe=1 + // ' + unsigned len = strchrnul(buf, '\n') - buf; + s = bc_posix_error_fmt("POSIX only allows one character names; the following is bad: '%.*s'", len, buf); + } return s; } |