diff options
Diffstat (limited to 'editors/awk.c')
| -rw-r--r-- | editors/awk.c | 47 |
1 files changed, 33 insertions, 14 deletions
diff --git a/editors/awk.c b/editors/awk.c index 72eca24..74e3adc 100644 --- a/editors/awk.c +++ b/editors/awk.c @@ -681,6 +681,18 @@ static ALWAYS_INLINE int isalnum_(int c) return (isalnum(c) || c == '_'); } +static double my_strtod(char **pp) +{ +#if ENABLE_DESKTOP + if ((*pp)[0] == '0' + && ((((*pp)[1] | 0x20) == 'x') || isdigit((*pp)[1])) + ) { + return strtoull(*pp, pp, 0); + } +#endif + return strtod(*pp, pp); +} + /* -------- working with variables (set/get/copy/etc) -------- */ static xhash *iamarray(var *v) @@ -790,7 +802,7 @@ static double getvar_i(var *v) v->number = 0; s = v->string; if (s && *s) { - v->number = strtod(s, &s); + v->number = my_strtod(&s); if (v->type & VF_USER) { skip_spaces(&s); if (*s != '\0') @@ -804,6 +816,18 @@ static double getvar_i(var *v) return v->number; } +/* Used for operands of bitwise ops */ +static unsigned long getvar_i_int(var *v) +{ + double d = getvar_i(v); + + /* Casting doubles to longs is undefined for values outside + * of target type range. Try to widen it as much as possible */ + if (d >= 0) + return (unsigned long)d; + return - (long) (unsigned long) (-d); +} + static var *copyvar(var *dest, const var *src) { if (dest != src) { @@ -973,12 +997,7 @@ static uint32_t next_token(uint32_t expected) } else if (*p == '.' || isdigit(*p)) { /* it's a number */ -#if ENABLE_DESKTOP - if (p[0] == '0' && (p[1] | 0x20) == 'x') - t_double = strtoll(p, &p, 0); - else -#endif - t_double = strtod(p, &p); + t_double = my_strtod(&p); if (*p == '.') syntax_error(EMSG_UNEXP_TOKEN); tc = TC_NUMBER; @@ -2022,7 +2041,7 @@ static var *exec_builtin(node *op, var *res) n = awk_split(as[0], spl, &s); s1 = s; clear_array(iamarray(av[1])); - for (i=1; i<=n; i++) + for (i = 1; i <= n; i++) setari_u(av[1], i, nextword(&s1)); free(s); setvar_i(res, n); @@ -2042,27 +2061,27 @@ static var *exec_builtin(node *op, var *res) /* 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, (unsigned long)getvar_i(av[0]) & (unsigned long)getvar_i(av[1])); + setvar_i(res, getvar_i_int(av[0]) & getvar_i_int(av[1])); break; case B_co: - setvar_i(res, ~(unsigned long)getvar_i(av[0])); + setvar_i(res, ~getvar_i_int(av[0])); break; case B_ls: - setvar_i(res, (unsigned long)getvar_i(av[0]) << (unsigned long)getvar_i(av[1])); + setvar_i(res, getvar_i_int(av[0]) << getvar_i_int(av[1])); break; case B_or: - setvar_i(res, (unsigned long)getvar_i(av[0]) | (unsigned long)getvar_i(av[1])); + setvar_i(res, getvar_i_int(av[0]) | getvar_i_int(av[1])); break; case B_rs: - setvar_i(res, (unsigned long)getvar_i(av[0]) >> (unsigned long)getvar_i(av[1])); + setvar_i(res, getvar_i_int(av[0]) >> getvar_i_int(av[1])); break; case B_xo: - setvar_i(res, (unsigned long)getvar_i(av[0]) ^ (unsigned long)getvar_i(av[1])); + setvar_i(res, getvar_i_int(av[0]) ^ getvar_i_int(av[1])); break; case B_lo: |