Use "/" for wasm's cwd when environment is not available.

yurydelendik · yurydelendik · commit 245090352548 · 2019-06-13T12:12:46.000-05:00
diff --git a/src/file.cpp b/src/file.cpp
@@ -54,7 +54,7 @@ inline static std::string wstring_to_string(const std::wstring &wstr)
 inline static std::string get_cwd_from_env()
 {
   char* value = getenv("PWD");
-  if (!value) return "(unreachable)";
+  if (!value) return "/";
   return value;
 }
 #endif
@@ -68,6 +68,8 @@ namespace Sass {
     std::string get_cwd()
     {
       #ifdef _WASM
+        // the WASI does not implement getcwd() yet --
+        // check the environment variables or default to "/".
         std::string cwd = get_cwd_from_env();
       #else
       const size_t wd_len = 4096;

Original file line number	Diff line number	Diff line change
`@@ -54,7 +54,7 @@ inline static std::string wstring_to_string(const std::wstring &wstr)`
`54`	`54`	`inline static std::string get_cwd_from_env()`
`55`	`55`	`{`
`56`	`56`	`char* value = getenv("PWD");`
`57`		`- if (!value) return "(unreachable)";`
	`57`	`+ if (!value) return "/";`
`58`	`58`	`return value;`
`59`	`59`	`}`
`60`	`60`	`#endif`
`@@ -68,6 +68,8 @@ namespace Sass {`
`68`	`68`	`std::string get_cwd()`
`69`	`69`	`{`
`70`	`70`	`#ifdef _WASM`
	`71`	`+ // the WASI does not implement getcwd() yet --`
	`72`	`+ // check the environment variables or default to "/".`
`71`	`73`	`std::string cwd = get_cwd_from_env();`
`72`	`74`	`#else`
`73`	`75`	`const size_t wd_len = 4096;`