[#20675] RCR: non-bang equivalent to []= — Tobias Reif <tobiasreif@...>

Hi,

49 messages 2001/09/01
[#20774] Re: RCR: non-bang equivalent to []= — Tobias Reif <tobiasreif@...> 2001/09/03

I wrote:

[#20778] Re: RCR: non-bang equivalent to []= — Kevin Smith <kevinbsmith@...> 2001/09/03

--- Tobias Reif <tobiasreif@pinkjuice.com> wrote:

[#20715] oreilly buch von matz - website online — markus jais <info@...>

hi

43 messages 2001/09/02
[#20717] Re: OReilly Ruby book has snail on cover — ptkwt@...1.aracnet.com (Phil Tomson) 2001/09/02

Actually, thanks for posting it here. I was trying to search OReilly's

[#20922] Re: OReilly Ruby book has snail on cover — Paul Brannan <pbrannan@...> 2001/09/05

On Mon, 3 Sep 2001, Phil Tomson wrote:

[#20768] Minor cgi.rb question — "Hal E. Fulton" <hal9000@...>

I don't have much experience with

25 messages 2001/09/03

[#20770] Calling member methods from C++ — jglueck@... (Bernhard Glk)

Some quetsions have been solved for me, but my message system does not

12 messages 2001/09/03

[#20976] destructor — Frank Sonnemans <ruby@...>

Does Ruby have a destructor as in C++?

25 messages 2001/09/07

[#21218] Ruby objects <-> XML: anyone working on this? — senderista@... (Tobin Baker)

Are there any Ruby analogs of these two Python modules (xml_pickle,

13 messages 2001/09/15

[#21296] nested require files need path internally — Bob Gustafson <bobgus@...>

Version: 1.64

29 messages 2001/09/18
[#21298] Re: nested require files need path internally — David Alan Black <dblack@...> 2001/09/18

Hello --

[#21302] Re: nested require files need path internally — Bob Gustafson <bobgus@...> 2001/09/18

On Tue, 18 Sep 2001, David Alan Black wrote:

[#21303] Re: nested require files need path internally — matz@... (Yukihiro Matsumoto) 2001/09/18

Hi,

[#21306] Re: nested require files need path internally — Lars Christensen <larsch@...> 2001/09/18

On Tue, 18 Sep 2001, Yukihiro Matsumoto wrote:

[#21307] Re: nested require files need path internally — matz@... (Yukihiro Matsumoto) 2001/09/18

Hi,

[#21331] Re: nested require files need path internally — Paul Brannan <pbrannan@...> 2001/09/18

> The big difference is C++ search done in compile time, Ruby search

[#21340] Re: nested require files need path internally — matz@... (Yukihiro Matsumoto) 2001/09/18

Hi,

[#21353] Re: nested require files need path internally — Paul Brannan <pbrannan@...> 2001/09/18

On Wed, 19 Sep 2001, Yukihiro Matsumoto wrote:

[#21366] Re: nested require files need path internally — matz@... (Yukihiro Matsumoto) 2001/09/19

Hi,

[#21368] Re: nested require files need path internally — "Julian Fitzell" <julian-ml@...4.com> 2001/09/19

On 19/09/2001 at 10:12 AM matz@ruby-lang.org wrote:

[#21376] Re: nested require files need path internally — matz@... (Yukihiro Matsumoto) 2001/09/19

Hi,

[#21406] Re: nested require files need path internally — Paul Brannan <pbrannan@...> 2001/09/19

On Wed, 19 Sep 2001, Yukihiro Matsumoto wrote:

[#21315] Suggestions for new CGI lib — anders@... (Anders Johannsen)

From the comp.lang.ruby thread "Minor cgi.rb question" (2001-09-03), I

21 messages 2001/09/18

[#21413] Ruby/objects book in style of The Little Lisper — Brian Marick <marick@...>

I fell in love with Lisp in the early 80's. Back then, I read a book called

36 messages 2001/09/19
[#21420] Re: Ruby/objects book in style of The Little Lisper — Christopher Sawtell <csawtell@...> 2001/09/20

On 20 Sep 2001 06:19:44 +0900, Brian Marick wrote:

[#21479] Re: Ruby/objects book in style of The Little Lisper — Kevin Smith <kevinbsmith@...> 2001/09/21

--- Christopher Sawtell <csawtell@paradise.net.nz> wrote:

[#21491] SV: Re: Ruby/objects book in style of The Little Lisper — "Mikkel Damsgaard" <mikkel_damsgaard@...> 2001/09/21

[#21494] Re: SV: Re: Ruby/objects book in style of The Little Lisper — Kevin Smith <kevinbsmith@...> 2001/09/21

--- Mikkel Damsgaard <mikkel_damsgaard@mailme.dk> wrote:

[#21510] Re: SV: Re: Ruby/objects book in style of The Little Lisper — Todd Gillespie <toddg@...> 2001/09/22

On Sat, 22 Sep 2001, Kevin Smith wrote:

[#21514] Re: SV: Re: Ruby/objects book in style of The Little Lisper — Kevin Smith <kevinbsmith@...> 2001/09/22

--- Todd Gillespie <toddg@mail.ma.utexas.edu> wrote:

[#21535] irb — Fabio <fabio.spelta@...>

Hello. :) I'm new here, and I have not found an archive of the previous

15 messages 2001/09/22

[#21616] opening a named pipe? — "Avdi B. Grimm" <avdi@...>

I'm having trouble reading from a named pipe in linux. basicly, I'm

12 messages 2001/09/24

[#21685] manipulating "immutable" objects such as Fixnum from within callbacks & al... — Guillaume Cottenceau <gc@...>

Hello,

15 messages 2001/09/25

[#21798] Ruby internal (guide to the source) — "Benoit Cerrina" <benoit.cerrina@...>

Hi,

22 messages 2001/09/28

[ruby-talk:20996] Re: Bug in latest snapshot, regarding Float#to_s

From: ts <decoux@...>
Date: 2001-09-08 13:25:16 UTC
List: ruby-talk #20996
>>>>> "A" == Aristarkh A Zagorodnikov <xm@w3d.ru> writes:

A> xm@is:~/build/ruby$ diff numeric.c numeric.c.orig
A> 226,229c226
A> <     if ((d1 = modf(value, &d2)) == 0) {
A> <       fmt = "%.1f";
A> <     }
A> <     else if (value < 1.0e-3) {
A> ---
>> if (value < 1.0e-3) {
A> 240a238,240
>> else if ((d1 = modf(value, &d2)) == 0) {
>> fmt = "%.1f";
>> }

 Same problem with 

    ruby -e 'p -0.01'

 but with your patch, it exist a possible buffer overflow (buf)

pigeon% diff -u numeric.c.old numeric.c
--- numeric.c.old       Sat Sep  8 14:43:22 2001
+++ numeric.c   Sat Sep  8 14:50:16 2001
@@ -223,7 +223,10 @@
     else if(isnan(value))
        return rb_str_new2("NaN");
     
-    if (value < 1.0e-3) {
+    if ((d1 = modf(value, &d2)) == 0) {
+       fmt = "%.1f";
+    }
+    else if (value < 1.0e-3) {
        d1 = value;
        while (d1 < 1.0) d1 *= 10.0;
        d1 = modf(d1, &d2);
@@ -235,9 +238,6 @@
        d1 = modf(d1, &d2);
        if (d1 == 0) fmt = "%.1e";
     }    
-    else if ((d1 = modf(value, &d2)) == 0) {
-       fmt = "%.1f";
-    }
     sprintf(buf, fmt, value);
 
     return rb_str_new2(buf);
pigeon%

 example 

pigeon% ruby -e 'p -123456789012345678901234567890.0' 
-e:1: [BUG] Segmentation fault
ruby 1.7.1 (2001-09-05) [i686-linux]
Aborted
pigeon% 

 Proposed patch (someone can verify it ?)


pigeon% diff -u numeric.c.old numeric.c
--- numeric.c.old       Sat Sep  8 14:43:22 2001
+++ numeric.c   Sat Sep  8 14:52:38 2001
@@ -223,13 +223,8 @@
     else if(isnan(value))
        return rb_str_new2("NaN");
     
-    if (value < 1.0e-3) {
-       d1 = value;
-       while (d1 < 1.0) d1 *= 10.0;
-       d1 = modf(d1, &d2);
-       if (d1 == 0) fmt = "%.1e";
-    }    
-    else if (value >= 1.0e10) {
+    value = fabs(value);
+    if (value >= 1.0e10) {
        d1 = value;
        while (d1 > 10.0) d1 /= 10.0;
        d1 = modf(d1, &d2);
@@ -238,7 +233,13 @@
     else if ((d1 = modf(value, &d2)) == 0) {
        fmt = "%.1f";
     }
-    sprintf(buf, fmt, value);
+    else if (value < 1.0e-3) {
+       d1 = value;
+       while (d1 < 1.0) d1 *= 10.0;
+       d1 = modf(d1, &d2);
+       if (d1 == 0) fmt = "%.1e";
+    }    
+    sprintf(buf, fmt, RFLOAT(flt)->value);
 
     return rb_str_new2(buf);
 }
pigeon% 

pigeon% ruby -e 'p 0.0'
0.0
pigeon% ruby -e 'p -0.01'
-0.01
pigeon% ruby -e 'p -123456789012345678901234567890.0'
-1.23456789e+29
pigeon% 



Guy Decoux

In This Thread