Fixed path converting with non ascii char.

마누엘 · dscho · commit dcd89a33dfa1 · 2025-04-09T20:39:56.000+02:00
When a non ascii char is at the beginning of a path the current conversion
destroys the path. This fix will prevent this with an extra check for
non-ascii UTF-8 characters.

Helped-by: Johannes Schindelin &lt;johannes.schindelin@gmx.de&gt;
Signed-off-by: 마누엘 &lt;nalla@hamal.uberspace.de&gt;
diff --git a/winsup/cygwin/msys2_path_conv.cc b/winsup/cygwin/msys2_path_conv.cc
@@ -399,7 +399,7 @@ path_type find_path_start_and_type(const char** src, int recurse, const char* en
     }
     it = *src;
 
-    while (!isalnum(*it) && *it != '/' && *it != '\\' && *it != ':' && *it != '-' && *it != '.') {
+    while (!isalnum(*it) && !(0x80 & *it) && *it != '/' && *it != '\\' && *it != ':' && *it != '-' && *it != '.') {
         recurse = true;
         it = ++*src;
         if (it == end || *it == '\0') return NONE;

Original file line number	Diff line number	Diff line change
`@@ -399,7 +399,7 @@ path_type find_path_start_and_type(const char** src, int recurse, const char* en`
`399`	`399`	`}`
`400`	`400`	`it = *src;`
`401`	`401`
`402`		`- while (!isalnum(it) && it != '/' && it != '\\' && it != ':' && it != '-' && it != '.') {`
	`402`	`+ while (!isalnum(it) && !(0x80 & it) && it != '/' && it != '\\' && it != ':' && it != '-' && *it != '.') {`
`403`	`403`	`recurse = true;`
`404`	`404`	`it = ++*src;`
`405`	`405`	`if (it == end \|\| *it == '\0') return NONE;`