diff options
| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-06-01 23:47:02 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-06-01 23:47:02 +0000 |
| commit | 54afba10a5bbd81ec0458f9a6129831666b6eca4 (patch) | |
| tree | 46e2b192c82f8229050b5ee89463797608e84a50 /util.c | |
| parent | 4940cff399c8c350f43d9151a8c23295e9a6f9d4 (diff) | |
* util.c (ruby_strtod, dtoa): initialize more variables for error
handling.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@16742 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'util.c')
| -rw-r--r-- | util.c | 14 |
1 files changed, 7 insertions, 7 deletions
@@ -6,7 +6,7 @@ $Date$ created at: Fri Mar 10 17:22:34 JST 1995 - Copyright (C) 1993-2003 Yukihiro Matsumoto + Copyright (C) 1993-2008 Yukihiro Matsumoto **********************************************************************/ @@ -53,7 +53,7 @@ scan_hex(start, len, retlen) int len; int *retlen; { - static char hexdigit[] = "0123456789abcdef0123456789ABCDEF"; + static const char hexdigit[] = "0123456789abcdef0123456789ABCDEF"; register const char *s = start; register unsigned long retval = 0; char *tmp; @@ -152,8 +152,8 @@ scan_hex(start, len, retlen) static int valid_filename(char *s); -static char suffix1[] = ".$$$"; -static char suffix2[] = ".~~~"; +static const char suffix1[] = ".$$$"; +static const char suffix2[] = ".~~~"; #define ext (&buf[1000]) @@ -2112,6 +2112,7 @@ ruby_strtod(const char *s00, char **se) const char *s2; #endif + errno = 0; sign = nz0 = nz = 0; dval(rv) = 0.; for (s = s00;;s++) @@ -2291,7 +2292,7 @@ ret0: #endif dval(rv) = tens[k - 9] * dval(rv) + z; } - bd0 = 0; + bd0 = bb = bd = bs = delta = 0; if (nd <= DBL_DIG #ifndef RND_PRODQUOT #ifndef Honor_FLT_ROUNDS @@ -3217,7 +3218,7 @@ dtoa(double d, int mode, int ndigits, int *decpt, int *sign, char **rve) int denorm; ULong x; #endif - Bigint *b, *b1, *delta, *mlo, *mhi, *S; + Bigint *b, *b1, *delta, *mlo = 0, *mhi = 0, *S; double d2, ds, eps; char *s, *s0; #ifdef Honor_FLT_ROUNDS @@ -3570,7 +3571,6 @@ bump_up: m2 = b2; m5 = b5; - mhi = mlo = 0; if (leftright) { i = #ifndef Sudden_Underflow |