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This change removes an unnecessary limitation whereby Normalize_Pathname would not accept an unresolved path name as the reference directory, and would furthermore return incorrect results, rather than an error diagnostic, in the case where input did not comply with this limitation. The following test case must produce the indicated output: $ gnatmake -q resolve_against_dotdot $ ./resolve_against_dotdot /a/b/dir /a/b/dir /tmp/bar/dir with Ada.Text_IO; use Ada.Text_IO; with GNAT.OS_Lib; use GNAT.OS_Lib; procedure Resolve_Against_DotDot is begin Put_Line (Normalize_Pathname ("../dir", "/a/b/c")); Put_Line (Normalize_Pathname ("../dir", "/a/b/c/SUB/..")); Put_Line (Normalize_Pathname ("/tmp/foo/../bar/dir", "/a/b/c/SUB/..")); end; Tested on x86_64-pc-linux-gnu, committed on trunk 2015-11-18 Thomas Quinot <quinot@adacore.com> * s-os_lib.ads, s-os_lib.adb(Normalize_Pathname): Support the case of an unresolved Directory argument, by recursively resolving it against the current dir.
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