From 950ad202a518f7deb8e4ef1b2a3b63e2e3d7450d Mon Sep 17 00:00:00 2001 From: DJ Delorie Date: Tue, 29 Jun 2004 12:51:56 +0000 Subject: [PATCH] merge from gcc --- libiberty/ChangeLog | 4 ++++ libiberty/lrealpath.c | 30 ++++++++++++++++++++++++++++++ 2 files changed, 34 insertions(+) diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog index 6458c2afe62..f8e1c9c5bff 100644 --- a/libiberty/ChangeLog +++ b/libiberty/ChangeLog @@ -1,3 +1,7 @@ +2004-06-29 Danny Smith + + * lrealpath.c (lrealpath): Add _WIN32 support. + 2004-06-28 Zack Weinberg * cp-demangle.h: Declare cplus_demangle_operators, diff --git a/libiberty/lrealpath.c b/libiberty/lrealpath.c index b001b38ef66..4877753cd66 100644 --- a/libiberty/lrealpath.c +++ b/libiberty/lrealpath.c @@ -64,6 +64,12 @@ extern char *canonicalize_file_name (const char *); # define REALPATH_LIMIT MAXPATHLEN # endif # endif +#else + /* cygwin has realpath, so it won't get here. */ +# if defined (_WIN32) +# define WIN32_LEAN_AND_MEAN +# include /* for GetFullPathName */ +# endif #endif char * @@ -123,6 +129,30 @@ lrealpath (filename) } #endif + /* The MS Windows method. If we don't have realpath, we assume we + don't have symlinks and just canonicalize to a Windows absolute + path. GetFullPath converts ../ and ./ in relative paths to + absolute paths, filling in current drive if one is not given + or using the current directory of a specified drive (eg, "E:foo"). + It also converts all forward slashes to back slashes. */ +#if defined (_WIN32) + { + char buf[MAX_PATH]; + char* basename; + DWORD len = GetFullPathName (filename, MAX_PATH, buf, &basename); + if (len == 0 || len > MAX_PATH - 1) + return strdup (filename); + else + { + /* The file system is case-preserving but case-insensitive, + Canonicalize to lowercase, using the codepage associated + with the process locale. */ + CharLowerBuff (buf, len); + return strdup (buf); + } + } +#endif + /* This system is a lost cause, just duplicate the filename. */ return strdup (filename); } -- 2.30.2