Fix warning about conversion on mingw64

src/nvim/api/buffer.c

@@ -399,7 +399,11 @@ void nvim_buf_set_lines(uint64_t channel_id,
   // Only adjust marks if we managed to switch to a window that holds
   // the buffer, otherwise line numbers will be invalid.
   if (save_curbuf.br_buf == NULL) {
-    mark_adjust((linenr_T)start, (linenr_T)(end - 1), MAXLNUM, extra, false);
+    mark_adjust((linenr_T)start,
+                (linenr_T)(end - 1),
+                MAXLNUM,
+                (long)extra,
+                false);
   }
 
   changed_lines((linenr_T)start, 0, (linenr_T)end, (long)extra);

src/nvim/ex_cmds.c

@@ -1417,7 +1417,7 @@ char_u *make_filter_cmd(char_u *cmd, char_u *itmp, char_u *otmp)
 #else
   // For shells that don't understand braces around commands, at least allow
   // the use of commands in a pipe.
-  xstrlcpy(buf, cmd, len);
+  xstrlcpy(buf, (char *)cmd, len);
   if (itmp != NULL) {
     // If there is a pipe, we have to put the '<' in front of it.
     // Don't do this when 'shellquote' is not empty, otherwise the

src/nvim/ex_getln.c

@@ -738,7 +738,7 @@ static int command_line_execute(VimState *state, int key)
         }
         if (vim_ispathsep(ccline.cmdbuff[s->j])
 #ifdef BACKSLASH_IN_FILENAME
-            && vim_strchr(" *?[{`$%#", ccline.cmdbuff[s->j + 1])
+            && vim_strchr((const char_u *)" *?[{`$%#", ccline.cmdbuff[s->j + 1])
             == NULL
 #endif
             ) {

src/nvim/file_search.c

@@ -1586,7 +1586,7 @@ int vim_chdirfile(char_u *fname)
   }
 
 #ifdef BACKSLASH_IN_FILENAME
-  slash_adjust(dir);
+  slash_adjust((char_u *)dir);
 #endif
   if (!strequal(dir, (char *)NameBuff)) {
     do_autocmd_dirchanged(dir, kCdScopeWindow);

src/nvim/option.c

@@ -844,7 +844,7 @@ set_option_default (
       if (options[opt_idx].indir == PV_SCROLL)
         win_comp_scroll(curwin);
       else {
-        *(long *)varp = (long)options[opt_idx].def_val[dvi];
+        *(long *)varp = (long)(intptr_t)options[opt_idx].def_val[dvi];
         /* May also set global value for local option. */
         if (both)
           *(long *)get_varp_scope(&(options[opt_idx]), OPT_GLOBAL) =
@@ -926,7 +926,7 @@ void set_number_default(char *name, long val)
 
   opt_idx = findoption(name);
   if (opt_idx >= 0) {
-    options[opt_idx].def_val[VI_DEFAULT] = (char_u *)val;
+    options[opt_idx].def_val[VI_DEFAULT] = (char_u *)(intptr_t)val;
   }
 }
 
@@ -1442,7 +1442,7 @@ do_set (
              */
             ++arg;
             if (nextchar == '&')
-              value = (long)options[opt_idx].def_val[
+              value = (long)(intptr_t)options[opt_idx].def_val[
                 ((flags & P_VI_DEF) || cp_val)
                 ?  VI_DEFAULT : VIM_DEFAULT];
             else if (nextchar == '<') {
@@ -5012,7 +5012,7 @@ static int optval_default(vimoption_T *p, char_u *varp)
     return TRUE;            /* hidden option is always at default */
   dvi = ((p->flags & P_VI_DEF) || p_cp) ? VI_DEFAULT : VIM_DEFAULT;
   if (p->flags & P_NUM)
-    return *(long *)varp == (long)p->def_val[dvi];
+    return *(long *)varp == (long)(intptr_t)p->def_val[dvi];
   if (p->flags & P_BOOL)
     return *(int *)varp == (int)(intptr_t)p->def_val[dvi];
   /* P_STRING */

src/nvim/os/pty_process_win.c

@@ -131,7 +131,7 @@ int pty_process_spawn(PtyProcess *ptyproc)
     }
     goto cleanup;
   }
-  proc->pid = GetProcessId(process_handle);
+  proc->pid = (int)GetProcessId(process_handle);
 
   if (!RegisterWaitForSingleObject(
       &ptyproc->finish_wait,

src/nvim/path.c

@@ -332,7 +332,7 @@ int path_fnamencmp(const char *const fname1, const char *const fname2,
         && (p_fic ? (c1 != c2 && CH_FOLD(c1) != CH_FOLD(c2)) : c1 != c2)) {
       break;
     }
-    len -= MB_PTR2LEN((const char_u *)p1);
+    len -= (size_t)MB_PTR2LEN((const char_u *)p1);
     p1 += MB_PTR2LEN((const char_u *)p1);
     p2 += MB_PTR2LEN((const char_u *)p2);
   }
@@ -1691,7 +1691,7 @@ int vim_FullName(const char *fname, char *buf, size_t len, bool force)
   if (strlen(fname) > (len - 1)) {
     xstrlcpy(buf, fname, len);  // truncate
 #ifdef WIN32
-    slash_adjust(buf);
+    slash_adjust((char_u *)buf);
 #endif
     return FAIL;
   }
@@ -1706,7 +1706,7 @@ int vim_FullName(const char *fname, char *buf, size_t len, bool force)
     xstrlcpy(buf, fname, len);  // something failed; use the filename
   }
 #ifdef WIN32
-  slash_adjust(buf);
+  slash_adjust((char_u *)buf);
 #endif
   return rv;
 }
@@ -1741,7 +1741,7 @@ char *fix_fname(const char *fname)
   path_fix_case((char_u *)fname);  // set correct case for file name
 # endif
 
-  return fname;
+  return (char *)fname;
 #endif
 }
 

src/nvim/tui/input.c

@@ -49,7 +49,7 @@ void term_input_init(TermInput *input, Loop *loop)
 #ifdef WIN32
   uv_tty_init(loop, &input->tty_in, 0, 1);
   uv_tty_set_mode(&input->tty_in, UV_TTY_MODE_RAW);
-  rstream_init_stream(&input->read_stream, &input->tty_in, 0xfff);
+  rstream_init_stream(&input->read_stream, (uv_stream_t *)&input->tty_in, 0xfff);
 #else
   rstream_init_fd(loop, &input->read_stream, input->in_fd, 0xfff);
 #endif