1 files changed, 39 insertions, 8 deletions

diff --git a/src/nvim/os/env.c b/src/nvim/os/env.c
index a73d753e46..12c2da6152 100644
--- a/src/nvim/os/env.c
+++ b/src/nvim/os/env.c
@@ -118,7 +118,6 @@ char *os_getenvname_at_index(size_t index)
   return name;
 }
 
-
 /// Get the process ID of the Neovim process.
 ///
 /// @return the process ID.
@@ -145,10 +144,27 @@ void os_get_hostname(char *hostname, size_t size)
   } else {
     xstrlcpy(hostname, vutsname.nodename, size);
   }
+#elif defined(WIN32)
+  WCHAR host_utf16[MAX_COMPUTERNAME_LENGTH + 1];
+  DWORD host_wsize = sizeof(host_utf16) / sizeof(host_utf16[0]);
+  if (GetComputerNameW(host_utf16, &host_wsize) == 0) {
+    *hostname = '\0';
+    DWORD err = GetLastError();
+    EMSG2("GetComputerNameW failed: %d", err);
+    return;
+  }
+  host_utf16[host_wsize] = '\0';
+
+  char *host_utf8;
+  int conversion_result = utf16_to_utf8(host_utf16, &host_utf8);
+  if (conversion_result != 0) {
+    EMSG2("utf16_to_utf8 failed: %d", conversion_result);
+    return;
+  }
+  xstrlcpy(hostname, host_utf8, size);
+  xfree(host_utf8);
 #else
-  // TODO(unknown): Implement this for windows.
-  // See the implementation used in vim:
-  // https://code.google.com/p/vim/source/browse/src/os_win32.c?r=6b69d8dde19e32909f4ee3a6337e6a2ecfbb6f72#2899
+  EMSG("os_get_hostname failed: missing uname()");
   *hostname = '\0';
 #endif
 }
@@ -615,9 +631,9 @@ char *vim_getenv(const char *name)
       vim_path = (char *)p_hf;
     }
 
+    char exe_name[MAXPATHL];
     // Find runtime path relative to the nvim binary: ../share/nvim/runtime
     if (vim_path == NULL) {
-      char exe_name[MAXPATHL];
       size_t exe_name_len = MAXPATHL;
       if (os_exepath(exe_name, &exe_name_len) == 0) {
         char *path_end = (char *)path_tail_with_sep((char_u *)exe_name);
@@ -703,7 +719,8 @@ char *vim_getenv(const char *name)
 /// @param dstlen Maximum length of the result
 /// @param one If true, only replace one file name, including spaces and commas
 ///            in the file name
-void home_replace(buf_T *buf, char_u *src, char_u *dst, int dstlen, bool one)
+void home_replace(const buf_T *const buf, const char_u *src,
+                  char_u *dst, size_t dstlen, bool one)
 {
   size_t dirlen = 0, envlen = 0;
   size_t len;
@@ -717,7 +734,7 @@ void home_replace(buf_T *buf, char_u *src, char_u *dst, int dstlen, bool one)
    * If the file is a help file, remove the path completely.
    */
   if (buf != NULL && buf->b_help) {
-    STRCPY(dst, path_tail(src));
+    xstrlcpy((char *)dst, (char *)path_tail(src), dstlen);
     return;
   }
 
@@ -809,7 +826,7 @@ char_u * home_replace_save(buf_T *buf, char_u *src) FUNC_ATTR_NONNULL_RET
     len += STRLEN(src);
   }
   char_u *dst = xmalloc(len);
-  home_replace(buf, src, dst, (int)len, true);
+  home_replace(buf, src, dst, len, true);
   return dst;
 }
 
@@ -888,3 +905,17 @@ bool os_setenv_append_path(const char *fname)
   }
   return false;
 }
+
+/// Returns true if the terminal can be assumed to silently ignore unknown
+/// control codes.
+bool os_term_is_nice(void)
+{
+#if defined(__APPLE__) || defined(WIN32)
+  return true;
+#else
+  const char *vte_version = os_getenv("VTE_VERSION");
+  return (vte_version && atoi(vte_version) >= 3900)
+    || NULL != os_getenv("KONSOLE_PROFILE_NAME")
+    || NULL != os_getenv("KONSOLE_DBUS_SESSION");
+#endif
+}