(doprnt1): Fix char signedness mismatches.

1 files changed, 6 insertions, 6 deletions

diff --git a/src/doprnt.c b/src/doprnt.c
index 13e13ef6200..9afdd5ae856 100644
--- a/src/doprnt.c
+++ b/src/doprnt.c
@@ -108,7 +108,7 @@ doprnt1 (lispstrings, buffer, bufsize, format, format_end, nargs, args)
   char *big_buffer = 0;
 
   register int tem;
-  char *string;
+  unsigned char *string;
   char fixed_buffer[20];        /* Default buffer for small formatting. */
   char *fmtcpy;
   int minlen;
@@ -135,7 +135,7 @@ doprnt1 (lispstrings, buffer, bufsize, format, format_end, nargs, args)
 
           fmt++;
           /* Copy this one %-spec into fmtcpy.  */
-          string = fmtcpy;
+          string = (unsigned char *)fmtcpy;
           *string++ = '%';
           while (1)
             {
@@ -207,7 +207,7 @@ doprnt1 (lispstrings, buffer, bufsize, format, format_end, nargs, args)
                 abort ();
               sprintf (sprintf_buffer, fmtcpy, args[cnt++]);
               /* Now copy into final output, truncating as nec.  */
-              string = sprintf_buffer;
+              string = (unsigned char *)sprintf_buffer;
               goto doit;
 
             case 'f':
@@ -221,7 +221,7 @@ doprnt1 (lispstrings, buffer, bufsize, format, format_end, nargs, args)
                 u.half[1] = args[cnt++];
                 sprintf (sprintf_buffer, fmtcpy, u.d);
                 /* Now copy into final output, truncating as nec.  */
-                string = sprintf_buffer;
+                string = (unsigned char *)sprintf_buffer;
                 goto doit;
               }
 
@@ -234,13 +234,13 @@ doprnt1 (lispstrings, buffer, bufsize, format, format_end, nargs, args)
                 minlen = atoi (&fmtcpy[1]);
               if (lispstrings)
                 {
-                  string = (char *) ((struct Lisp_String *)args[cnt])->data;
+                  string = ((struct Lisp_String *)args[cnt])->data;
                   tem = ((struct Lisp_String *)args[cnt])->size;
                   cnt++;
                 }
               else
                 {
-                  string = args[cnt++];
+                  string = (unsigned char *)args[cnt++];
                   tem = strlen (string);
                 }
               width = strwidth (string, tem);