diff options
| -rw-r--r-- | editors/awk.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/editors/awk.c b/editors/awk.c index 19f4840..72eca24 100644 --- a/editors/awk.c +++ b/editors/awk.c @@ -2039,28 +2039,30 @@ static var *exec_builtin(node *op, var *res) setvar_p(res, s); break; + /* Bitwise ops must assume that operands are unsigned. GNU Awk 3.1.5: + * awk '{ print or(-1,1) }' gives "4.29497e+09", not "-2.xxxe+09" */ case B_an: - setvar_i(res, (long)getvar_i(av[0]) & (long)getvar_i(av[1])); + setvar_i(res, (unsigned long)getvar_i(av[0]) & (unsigned long)getvar_i(av[1])); break; case B_co: - setvar_i(res, ~(long)getvar_i(av[0])); + setvar_i(res, ~(unsigned long)getvar_i(av[0])); break; case B_ls: - setvar_i(res, (long)getvar_i(av[0]) << (long)getvar_i(av[1])); + setvar_i(res, (unsigned long)getvar_i(av[0]) << (unsigned long)getvar_i(av[1])); break; case B_or: - setvar_i(res, (long)getvar_i(av[0]) | (long)getvar_i(av[1])); + setvar_i(res, (unsigned long)getvar_i(av[0]) | (unsigned long)getvar_i(av[1])); break; case B_rs: - setvar_i(res, (long)((unsigned long)getvar_i(av[0]) >> (unsigned long)getvar_i(av[1]))); + setvar_i(res, (unsigned long)getvar_i(av[0]) >> (unsigned long)getvar_i(av[1])); break; case B_xo: - setvar_i(res, (long)getvar_i(av[0]) ^ (long)getvar_i(av[1])); + setvar_i(res, (unsigned long)getvar_i(av[0]) ^ (unsigned long)getvar_i(av[1])); break; case B_lo: |