* strlen is sloouuw.... don't use it over and over.

diff --git a/citadel/mime_parser.c b/citadel/mime_parser.c
index baad219e041092be8ada7f3d148f7c88ca63624a..9813679f110fe17db77f562df9b66969c98fdd14 100644 (file)
--- a/citadel/mime_parser.c
+++ b/citadel/mime_parser.c
@@ -73,11 +73,11 @@ int CtdlDecodeQuotedPrintable(char *decoded, char *encoded, int sourcelen) {
 
        decoded[0] = 0;
        decoded_length = 0;
-       buf[0] = 0;
+       memset(buf, '\0', SIZ);
        buf_length = 0;
 
        for (i = 0; i < sourcelen; ++i) {
-
+               size_t buflen = strlen(buf);
                buf[buf_length++] = encoded[i];
 
                if ( (encoded[i] == '\n')
@@ -87,28 +87,34 @@ int CtdlDecodeQuotedPrintable(char *decoded, char *encoded, int sourcelen) {
 
                        /*** begin -- process one line ***/
 
-                       if (buf[strlen(buf)-1] == '\n') {
-                               buf[strlen(buf)-1] = 0;
+                       if (buf[buflen-1] == '\n') {
+                               buf[buflen-1] = 0;
+                               buflen --;
                        }
-                       if (buf[strlen(buf)-1] == '\r') {
-                               buf[strlen(buf)-1] = 0;
+                       if (buf[buflen-1] == '\r') {
+                               buf[buflen-1] = 0;
+                               buflen --;
                        }
-                       while (isspace(buf[strlen(buf)-1])) {
-                               buf[strlen(buf)-1] = 0;
+                       while (isspace(buf[buflen-1])) {
+                               buf[buflen-1] = 0;
+                               buflen --;
                        }
                        soft_line_break = 0;
 
-                       while (strlen(buf) > 0) {
-                               if (!strcmp(buf, "=")) {
+                       while (buflen > 0) {
+                               if ((buf[0] ==  '=') && (buf[1] == '\0')) {
                                        soft_line_break = 1;
-                                       strcpy(buf, "");
-                               } else if ((strlen(buf)>=3) && (buf[0]=='=')) {
+                                       buf[0] = '\0';
+                                       buflen = 0;
+                               } else if ((buflen>=3) && (buf[0]=='=')) {
                                        sscanf(&buf[1], "%02x", &ch);
                                        decoded[decoded_length++] = ch;
                                        strcpy(buf, &buf[3]);
+                                       buflen -=3;
                                } else {
                                        decoded[decoded_length++] = buf[0];
                                        strcpy(buf, &buf[1]);
+                                       buflen --;
                                }
                        }
                        if (soft_line_break == 0) {