Fix "comparison is always true due to limited range of data type" warning

from GCC in the base system.  Note this patch was submitted upstream and it
will appear in the next ACPICA release.

Discussed with:	Moore, Robert (robert dot moore at intel dot com)

1 files changed, 10 insertions, 10 deletions

diff --git a/source/compiler/aslsupport.l b/source/compiler/aslsupport.l
index 2f73900..f63519c 100644
--- a/source/compiler/aslsupport.l
+++ b/source/compiler/aslsupport.l
@@ -92,7 +92,7 @@ static void
 AslDoLineDirective (
     void)
 {
-    UINT8                   c;
+    int                     c;
     char                    *Token;
     UINT32                  LineNumber;
     char                    *Filename;
@@ -103,7 +103,7 @@ AslDoLineDirective (
 
     Gbl_LineBufPtr = Gbl_CurrentLineBuffer;
 
-    while ((c = (UINT8) input()) != '\n' && c != EOF)
+    while ((c = input()) != '\n' && c != EOF)
     {
         *Gbl_LineBufPtr = c;
         Gbl_LineBufPtr++;
@@ -430,8 +430,8 @@ static char
 AslDoComment (
     void)
 {
-    char                c;
-    char                c1 = 0;
+    int                 c;
+    int                 c1 = 0;
 
 
     AslInsertLineBuffer ('/');
@@ -441,7 +441,7 @@ loop:
 
     /* Eat chars until end-of-comment */
 
-    while ((c = (char) input()) != '*' && c != EOF)
+    while ((c = input()) != '*' && c != EOF)
     {
         AslInsertLineBuffer (c);
         c1 = c;
@@ -468,7 +468,7 @@ loop:
 
     AslInsertLineBuffer (c);
 
-    if ((c1 = (char) input()) != '/' && c1 != EOF)
+    if ((c1 = input()) != '/' && c1 != EOF)
     {
         unput(c1);
         goto loop;
@@ -511,13 +511,13 @@ static char
 AslDoCommentType2 (
     void)
 {
-    char                c;
+    int                 c;
 
 
     AslInsertLineBuffer ('/');
     AslInsertLineBuffer ('/');
 
-    while ((c = (char) input()) != '\n' && c != EOF)
+    while ((c = input()) != '\n' && c != EOF)
     {
         AslInsertLineBuffer (c);
     }
@@ -553,7 +553,7 @@ AslDoStringLiteral (
     char                *StringBuffer = MsgBuffer;
     char                *EndBuffer = MsgBuffer + ASL_MSG_BUFFER_SIZE;
     char                *CleanString;
-    char                StringChar;
+    int                 StringChar;
     UINT32              State = ASL_NORMAL_CHAR;
     UINT32              i = 0;
     UINT8               Digit;
@@ -566,7 +566,7 @@ AslDoStringLiteral (
      * source line buffer.
      */
     AslInsertLineBuffer ('\"');
-    while ((StringChar = (char) input()) != EOF)
+    while ((StringChar = input()) != EOF)
     {
         AslInsertLineBuffer (StringChar);