[PATCH v2 4/5] cmd: Handle whitespace only lines in parentheses blocks - Try 2 Code

[Alexander Merkle]

From: Alexander Merkle

Heavily inspired by
  https://gitlab.winehq.org/wine/wine/-/merge_requests/277
  https://gitlab.winehq.org/bernhardu/wine/-/tree/51599_cmd_brackets
by Bernhard Übelacker  .
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=51599

Signed-off-by: Alexander Merkle 
---
 programs/cmd/wcmdmain.c | 17 +----------------
 1 file changed, 1 insertion(+), 16 deletions(-)

diff --git a/programs/cmd/wcmdmain.c b/programs/cmd/wcmdmain.c
index 2a12014fcde..1df188d5261 100644
--- a/programs/cmd/wcmdmain.c
+++ b/programs/cmd/wcmdmain.c
@@ -1804,21 +1804,6 @@ static BOOL WCMD_IsEndQuote(const WCHAR *quote, int quoteIndex)
     return FALSE;
 }

-/***************************************************************************
- * WCMD_isEmptyOrJustWhiteSpace
- *
- *   Returns TRUE if str is empty or contains just whitespace characters,
- *   otherwise returns FALSE.
- */
-static BOOL WCMD_isEmptyOrJustWhiteSpace(const WCHAR *str)
-{
-    while (*str != '\0') {
-        if (*str != ' ' && *str != '\t')
-            return FALSE;
-        str++;
-    }
-    return TRUE;
-}

/***************************************************************************
  * WCMD_ReadAndParseLine
@@ -2350,7 +2335,7 @@ WCHAR *WCMD_ReadAndParseLine(const WCHAR *optionalcmd, CMD_LIST **output, HANDLE
             } else break;
           }

-        } while (WCMD_isEmptyOrJustWhiteSpace(extraData));
+        } while (!*WCMD_skip_leading_spaces(extraData));
         curPos = extraSpace;

/* Skip preceding whitespace */