X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/afee8ed17a56617618fb7f963b111d7cf0fb56e7..e0e0c1e0fce54f31e8b126d78a0b364208f7d36f:/uip/mshcmds.c

diff --git a/uip/mshcmds.c b/uip/mshcmds.c
index 6ea1126c..41017430 100644
--- a/uip/mshcmds.c
+++ b/uip/mshcmds.c
@@ -2332,8 +2332,7 @@ static int
 is_nontext (int msgnum)
 {
     int	result, state;
-    unsigned char *bp, *dp;
-    char *cp;
+    char *bp, *dp, *cp;
     char buf[BUFSIZ], name[NAMESZ];
     FILE *fp;
 
@@ -2365,7 +2364,7 @@ is_nontext (int msgnum)
 		passno = 1;
 
 again:
-		for (; isspace (*bp); bp++)
+		for (; isspace ((unsigned char) *bp); bp++)
 		    continue;
 		if (*bp == '(') {
 		    int	i;
@@ -2410,24 +2409,24 @@ invalid:
 		    if ((result = (mh_strcasecmp (bp, "plain") != 0)))
 			goto out;
 		    *dp = c;
-		    for (dp++; isspace (*dp); dp++)
+		    for (dp++; isspace ((unsigned char) *dp); dp++)
 			continue;
 		    if (*dp) {
 			if ((result = !uprf (dp, "charset")))
 			    goto out;
 			dp += sizeof "charset" - 1;
-			while (isspace (*dp))
+			while (isspace ((unsigned char) *dp))
 			    dp++;
 			if (*dp++ != '=')
 			    goto invalid;
-			while (isspace (*dp))
+			while (isspace ((unsigned char) *dp))
 			    dp++;
 			if (*dp == '"') {
 			    if ((bp = strchr(++dp, '"')))
 				*bp = '\0';
 			} else {
 			    for (bp = dp; *bp; bp++)
-				if (isspace (*bp)) {
+				if (isspace ((unsigned char) *bp)) {
 				    *bp = '\0';
 				    break;
 				}
@@ -2465,7 +2464,7 @@ out:
 		    state = m_getfld (&gstate, name, buf, &bufsz, fp);
 		    cp = add (buf, cp);
 		}
-		for (bp = cp; isspace (*bp); bp++)
+		for (bp = cp; isspace ((unsigned char) *bp); bp++)
 		    continue;
 		for (dp = bp; istoken (*dp); dp++)
 		    continue;