windows: compatibility changes

_fullpath isn't necessarily available, so check for it

symlink() isn't useful enough on Windows to use

Signed-off-by: Steve Bennett <steveb@workware.net.au>

2 files changed, 7 insertions, 2 deletions

diff --git a/auto.def b/auto.def
index 8a21550..5d751f1 100644
--- a/auto.def
+++ b/auto.def
@@ -247,11 +247,14 @@ if {[cc-check-function-in-lib socket socket]} {
 }
 
 cc-check-functions ualarm lstat fork system select execvpe
-cc-check-functions geteuid mkstemp realpath isatty
+cc-check-functions geteuid mkstemp isatty
 cc-check-functions regcomp waitpid sigaction sys_signame sys_siglist isascii
 cc-check-functions syslog opendir readlink sleep usleep pipe getaddrinfo utimes
 cc-check-functions shutdown socketpair link symlink fsync dup umask
 cc-check-functions localtime gmtime strptime clock_gettime
+if {![cc-check-functions realpath]} {
+	cc-check-functions _fullpath
+}
 
 cc-with {-includes math.h} {
 	cc-check-decls isinf isnan
diff --git a/jim-file.c b/jim-file.c
index 7002832..4c8eabf 100644
--- a/jim-file.c
+++ b/jim-file.c
@@ -77,6 +77,8 @@
 
 #if defined(__MINGW32__) || defined(__MSYS__) || defined(_MSC_VER)
 #define ISWINDOWS 1
+/* Even if we have symlink it isn't compatible enought to use */
+#undef HAVE_SYMLINK
 #else
 #define ISWINDOWS 0
 #endif
@@ -376,7 +378,7 @@ static int file_cmd_tail(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
 
 static char *JimRealPath(const char *restrict path, char *restrict resolved_path, size_t len)
 {
-#if ISWINDOWS
+#if defined(HAVE__FULLPATH)
     return _fullpath(resolved_path, path, len);
 #elif defined(HAVE_REALPATH)
     return realpath(path, resolved_path);