X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/e631a8958f0d7e0dfff45b83de861fe81301f899..986abcee996d486db0b9c753974f3cb0eac2e9b2:/sbr/fmt_rfc2047.c

diff --git a/sbr/fmt_rfc2047.c b/sbr/fmt_rfc2047.c
index 2f2c3c4f..8c799e14 100644
--- a/sbr/fmt_rfc2047.c
+++ b/sbr/fmt_rfc2047.c
@@ -11,7 +11,7 @@
 #  include <iconv.h>
 #endif
 
-static signed char hexindex[] = {
+static const signed char hexindex[] = {
     -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
     -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
     -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
@@ -30,7 +30,7 @@ static signed char hexindex[] = {
     -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
 };
 
-static signed char index_64[128] = {
+static const signed char index_64[128] = {
     -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1,
     -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1,
     -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,62, -1,-1,-1,63,
@@ -52,7 +52,7 @@ decode_qp (unsigned char byte1, unsigned char byte2)
 {
     if (hexindex[byte1] == -1 || hexindex[byte2] == -1)
 	return -1;
-    return (hexindex[byte1] << 4 | hexindex[byte2]);
+    return hexindex[byte1] << 4 | hexindex[byte2];
 }
 
 /* Check if character is linear whitespace */
@@ -126,7 +126,7 @@ decode_rfc2047 (char *str, char *dst, size_t dstlen)
 	equals_pending = 1;	/* we have a '=' pending */
 
 	/* Check for initial =? */
-	if (*p == '=' && p[1] && p[1] == '?' && p[2]) {
+	if (*p == '=' && p[1] == '?' && p[2]) {
 	    startofmime = p + 2;
 
 	    /* Scan ahead for the next '?' character */
@@ -229,7 +229,7 @@ decode_rfc2047 (char *str, char *dst, size_t dstlen)
 	    if (use_iconv) {
 		saveq = q;
 		savedstlen = dstlen;
-                q = convbuf = (char *) mh_xmalloc(endofmime - startofmime);
+                q = convbuf = mh_xmalloc(endofmime - startofmime);
             }
 /* ADDCHR2 is for adding characters when q is or might be convbuf:
  * in this case on buffer-full we want to run iconv before returning.