diff options
Diffstat (limited to 'node.c')
| -rw-r--r-- | node.c | 15 |
1 files changed, 10 insertions, 5 deletions
@@ -28,7 +28,6 @@ #include <math.h> #include "floatmagic.h" /* definition of isnan */ -static int is_ieee_magic_val(const char *val); static NODE *r_make_number(double x); static AWKNUM get_ieee_magic_val(char *val); extern NODE **fmt_list; /* declared in eval.c */ @@ -101,9 +100,12 @@ r_force_number(NODE *n) if (! do_posix) { if (is_alpha((unsigned char) *cp)) goto badnum; - else if (cpend == cp+4 && is_ieee_magic_val(cp)) { - n->numbr = get_ieee_magic_val(cp); - goto goodnum; + else if (is_ieee_magic_val(cp)) { + if (cpend == cp + 4) { + n->numbr = get_ieee_magic_val(cp); + goto goodnum; + } else + goto badnum; } /* else fall through */ @@ -165,6 +167,9 @@ badnum: return n; goodnum: + if (isnan(n->numbr) && *cp == '-' && signbit(n->numbr) == 0) + n->numbr = -(n->numbr); + if ((n->flags & USER_INPUT) != 0) { /* leave USER_INPUT enabled to indicate that this is a strnum */ n->flags &= ~STRING; @@ -958,7 +963,7 @@ out: ; /* is_ieee_magic_val --- return true for +inf, -inf, +nan, -nan */ -static int +bool is_ieee_magic_val(const char *val) { /* |