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Daniel Berger

Posts: 1383
Nickname: djberg96
Registered: Sep, 2004

Daniel Berger is a Ruby Programmer who also dabbles in C and Perl
Denied by glibc Posted: Aug 19, 2005 11:38 PM
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This post originated from an RSS feed registered with Ruby Buzz by Daniel Berger.
Original Post: Denied by glibc
Feed Title: Testing 1,2,3...
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Feed Description: A blog on Ruby and other stuff.
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My incredibly beautiful refactoring of File.basename (with some small aid from Nobu) was spoiled rotten by a broken implementation of the basename() function in glibc (2.3.4).

To wit:
#include <stdio.h>
#include <libgen.h>
int main(){
   char* str = "/foo/bar/";
   printf("Base: %s\n", basename(str));
   return 0;
}

That simple bit of code segfaults on my Mandrake 9.3 system. The problem is the trailing slash. Remove it and everything works fine. Google indicates that this has been a problem for, well, a very long time.

Now I suspect why the core authors went with a custom version instead of relying on the builtin one.

Argh!

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