Bug #9752: r45598 causes Errno::EINVAL on Solaris

• Status: Closed
• Assignee: nobu (Nobuyoshi Nakada)
• Target version: -
• ruby -v: ruby 2.2.0dev (2014-04-17) [sparc64-solaris2.10]
• Backport: 2.0.0: DONTNEED, 2.1: DONTNEED

[ngoto (Naohisa Goto)]

On Solaris, after r45598, the following error occurs.

./miniruby: Invalid argument - getcwd (Errno::EINVAL)

It seems that getcwd(NULL, 0) is not supported in Solaris.
The Solaris man page of getcwd(3c) says:

     If buf is a null pointer, getcwd()  obtains  size  bytes  of
     space using malloc(3C). The pointer returned by getcwd() can
     be used as the argument in a subsequent call to free().

But no description when the size is zero.

[djberg96 (Daniel Berger)]

Is this a Solaris issue specifically? Or is this broken on other commercial platforms as well, like AIX and HP-UX?

[nobu (Nobuyoshi Nakada)]

• Status changed from Open to Closed
• % Done changed from 0 to 100

Applied in changeset r45615.

---

configure.in: rb_cv_getcwd_malloc

• configure.in (rb_cv_getcwd_malloc): check if getcwd allocates
  buffer if NULL is given [ruby-core:62072] [Bug #9752]

[usa (Usaku NAKAMURA)]

• Backport changed from 2.0.0: UNKNOWN, 2.1: UNKNOWN to 2.0.0: DONTNEED, 2.1: DONTNEED