[haiku-bugs] Re: [Haiku] #8481: strncpy doesn't pad the destination string with NULs

  • From: "hamish" <trac@xxxxxxxxxxxx>
  • Date: Sat, 21 Apr 2012 18:21:23 -0000

#8481: strncpy doesn't pad the destination string with NULs
   Reporter:  hamish             |      Owner:  axeld
       Type:  bug                |     Status:  new
   Priority:  normal             |  Milestone:  R1
  Component:  System/libroot.so  |    Version:  R1/Development
 Resolution:                     |   Keywords:  strncpy
 Blocked By:                     |   Blocking:
Has a Patch:  1                  |   Platform:  All

Comment (by hamish):

 Replying to [comment:8 tqh]:
 > Interesting probably hard to do better, maybe align writes on four bytes
 to ease up on the write combining.

 Yep, I'm already aligning the destination buffer.

 > Btw I've been looking at {{{-D__NO_STRING_INLINES}}} as a build
 parameter, which from what I can tell, tells gcc to not trust glib with
 inlining but do it in gcc. This might be the wrong assumption though as it
 is very poorly documented.

 As far as I can tell that only affects whether glibc's string.h defines a
 bunch of inline assembly versions of the string functions. Since we don't
 use glibc's string.h I don't think it has any effect.

Ticket URL: <http://dev.haiku-os.org/ticket/8481#comment:9>
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