cmd: Avoid comparison between signed and unsigned values

[Frédéric Delanoy]

-Wsign-compare
---
 programs/cmd/batch.c     |    4 ++--
 programs/cmd/builtins.c  |    8 ++++----
 programs/cmd/directory.c |    6 +++---
 programs/cmd/wcmd.h      |    2 +-
 programs/cmd/wcmdmain.c  |    8 ++++----
 5 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/programs/cmd/batch.c b/programs/cmd/batch.c
index acab893..7edb8df 100644
--- a/programs/cmd/batch.c
+++ b/programs/cmd/batch.c
@@ -186,12 +186,12 @@ WCHAR *WCMD_parameter (WCHAR *s, int n, WCHAR **start, WCHAR **end) {
  *       NULL on error or EOF
  */
 
-WCHAR *WCMD_fgets(WCHAR *buf, int noChars, HANDLE h)
+WCHAR *WCMD_fgets(WCHAR *buf, DWORD noChars, HANDLE h)
 {
   DWORD charsRead;
   BOOL status;
   LARGE_INTEGER filepos;
-  int i;
+  DWORD i;
 
   /* We can't use the native f* functions because of the filename syntax differences
      between DOS and Unix. Also need to lose the LF (or CRLF) from the line. */
diff --git a/programs/cmd/builtins.c b/programs/cmd/builtins.c
index 22e0342..5272bfc 100644
--- a/programs/cmd/builtins.c
+++ b/programs/cmd/builtins.c
@@ -1323,9 +1323,9 @@ static void WCMD_part_execute(CMD_LIST **cmdList, const WCHAR *firstcmd,
  *	Simple on-line help. Help text is stored in the resource file.
  */
 
-void WCMD_give_help (const WCHAR *command) {
-
-  int i;
+void WCMD_give_help (const WCHAR *command)
+{
+  size_t i;
 
   command = WCMD_skip_leading_spaces((WCHAR*) command);
   if (strlenW(command) == 0) {
@@ -1630,7 +1630,7 @@ void WCMD_move (void)
     if (GetFileAttributesW(dest) != INVALID_FILE_ATTRIBUTES) {
       BOOL force = FALSE;
       WCHAR copycmd[MAXSTRING];
-      int len;
+      DWORD len;
 
       /* /-Y has the highest priority, then /Y and finally the COPYCMD env. variable */
       if (strstrW (quals, parmNoY))
diff --git a/programs/cmd/directory.c b/programs/cmd/directory.c
index 3c6bd06..3634ded 100644
--- a/programs/cmd/directory.c
+++ b/programs/cmd/directory.c
@@ -627,10 +627,10 @@ static void WCMD_dir_trailer(WCHAR drive) {
  *
  */
 
-void WCMD_directory (WCHAR *cmd) {
-
+void WCMD_directory (WCHAR *cmd)
+{
   WCHAR path[MAX_PATH], cwd[MAX_PATH];
-  int status;
+  DWORD status;
   CONSOLE_SCREEN_BUFFER_INFO consoleInfo;
   WCHAR *p;
   WCHAR string[MAXSTRING];
diff --git a/programs/cmd/wcmd.h b/programs/cmd/wcmd.h
index 962fd52..205d31c 100644
--- a/programs/cmd/wcmd.h
+++ b/programs/cmd/wcmd.h
@@ -101,7 +101,7 @@ static inline BOOL WCMD_is_console_handle(HANDLE h)
 {
     return (((DWORD_PTR)h) & 3) == 3;
 }
-WCHAR *WCMD_fgets (WCHAR *buf, int n, HANDLE stream);
+WCHAR *WCMD_fgets (WCHAR *buf, DWORD n, HANDLE stream);
 WCHAR *WCMD_parameter (WCHAR *s, int n, WCHAR **start, WCHAR **end);
 WCHAR *WCMD_skip_leading_spaces (WCHAR *string);
 BOOL WCMD_keyword_ws_found(const WCHAR *keyword, int len, const WCHAR *ptr);
diff --git a/programs/cmd/wcmdmain.c b/programs/cmd/wcmdmain.c
index 40ed145..b529672 100644
--- a/programs/cmd/wcmdmain.c
+++ b/programs/cmd/wcmdmain.c
@@ -123,8 +123,8 @@ static char *get_file_buffer(void)
  *  and hence required WriteConsoleW to output it, however if file i/o is
  *  redirected, it needs to be WriteFile'd using OEM (not ANSI) format
  */
-static void WCMD_output_asis_len(const WCHAR *message, int len, HANDLE device) {
-
+static void WCMD_output_asis_len(const WCHAR *message, DWORD len, HANDLE device)
+{
     DWORD   nOut= 0;
     DWORD   res = 0;
 
@@ -169,7 +169,7 @@ void WCMD_output (const WCHAR *format, ...) {
 
   va_list ap;
   WCHAR string[1024];
-  int ret;
+  DWORD ret;
 
   va_start(ap,format);
   ret = vsnprintfW(string, sizeof(string)/sizeof(WCHAR), format, ap);
@@ -191,7 +191,7 @@ void WCMD_output_stderr (const WCHAR *format, ...) {
 
   va_list ap;
   WCHAR string[1024];
-  int ret;
+  DWORD ret;
 
   va_start(ap,format);
   ret = vsnprintfW(string, sizeof(string)/sizeof(WCHAR), format, ap);
-- 
1.7.7.1