use allocating mode of ::realpath by default (nw)

cuavas · cuavas · commit 1bd116c5c8f8 · 2016-07-05T22:50:14.000+10:00
diff --git a/src/osd/modules/file/posixfile.cpp b/src/osd/modules/file/posixfile.cpp
@@ -390,6 +390,13 @@ osd_file::error osd_get_full_path(std::string &dst, std::string const &path)
 			return osd_file::error::FAILURE;
 		}
 #else
+		std::unique_ptr<char, void (*)(void *)> canonical(::realpath(path.c_str(), nullptr), &std::free);
+		if (canonical)
+		{
+			dst = canonical.get();
+			return osd_file::error::NONE;
+		}
+
 		std::vector<char> path_buffer(PATH_MAX);
 		if (::realpath(path.c_str(), &path_buffer[0]))
 		{

Original file line number	Diff line number	Diff line change
`@@ -390,6 +390,13 @@ osd_file::error osd_get_full_path(std::string &dst, std::string const &path)`
`390`	`390`	`return osd_file::error::FAILURE;`
`391`	`391`	`}`
`392`	`392`	`#else`
	`393`	`+ std::unique_ptr<char, void ()(void )> canonical(::realpath(path.c_str(), nullptr), &std::free);`
	`394`	`+ if (canonical)`
	`395`	`+ {`
	`396`	`+ dst = canonical.get();`
	`397`	`+ return osd_file::error::NONE;`
	`398`	`+ }`
	`399`	`+`
`393`	`400`	`std::vector<char> path_buffer(PATH_MAX);`
`394`	`401`	`if (::realpath(path.c_str(), &path_buffer[0]))`
`395`	`402`	`{`