diff options
-rw-r--r-- | ChangeLog | 5 | ||||
-rw-r--r-- | file.c | 8 |
2 files changed, 12 insertions, 1 deletions
@@ -1,3 +1,8 @@ +Sun Nov 6 20:13:27 2005 Nobuyoshi Nakada <nobu@ruby-lang.org> + + * file.c (rb_file_s_readlink): readlink(2) on AIX fails with ERANGE if + buffer size is less than required. fixed: [ruby-dev:27634] + Sat Nov 5 13:42:50 2005 Nobuyoshi Nakada <nobu@ruby-lang.org> * configure.in, cygwin/GNUmakefile.in (mingw): use def file to alias @@ -1982,7 +1982,13 @@ rb_file_s_readlink(VALUE klass, VALUE path) rb_secure(2); FilePathValue(path); buf = xmalloc(size); - while ((rv = readlink(StringValueCStr(path), buf, size)) == size) { + for (;;) { + rv = readlink(RSTRING(path)->ptr, buf, size); +#ifndef _AIX + if (rv != size) break; +#else + if (rv > 0 || errno != ERANGE) break; +#endif size *= 2; buf = xrealloc(buf, size); } |