* don't use CC in frequent loops. use it once outside.

[citadel.git] / citadel / sysdep.c

diff --git a/citadel/sysdep.c b/citadel/sysdep.c
index 55643e8c5eb0ab6b9b6495b5734e7209df0f2ce9..a2936b8535594e36820711f1ec0ff2d2dc66b988 100644 (file)
--- a/citadel/sysdep.c
+++ b/citadel/sysdep.c
@@ -651,6 +651,7 @@ int client_read_to(char *buf, int bytes, int timeout)
 {
        int len,rlen;
        fd_set rfds;
+       int fd;
        struct timeval tv;
        int retval;
 
@@ -660,20 +661,21 @@ int client_read_to(char *buf, int bytes, int timeout)
        }
 #endif
        len = 0;
+       fd = CC->client_socket;
        while(len<bytes) {
                FD_ZERO(&rfds);
-               FD_SET(CC->client_socket, &rfds);
+               FD_SET(fd, &rfds);
                tv.tv_sec = timeout;
                tv.tv_usec = 0;
 
-               retval = select( (CC->client_socket)+1, 
-                                       &rfds, NULL, NULL, &tv);
+               retval = select( (fd)+1, 
+                                &rfds, NULL, NULL, &tv);
 
-               if (FD_ISSET(CC->client_socket, &rfds) == 0) {
+               if (FD_ISSET(fd, &rfds) == 0) {
                        return(0);
                }
 
-               rlen = read(CC->client_socket, &buf[len], bytes-len);
+               rlen = read(fd, &buf[len], bytes-len);
                if (rlen<1) {
                        /* The socket has been disconnected! */
                        CC->kill_me = 1;
@@ -721,10 +723,13 @@ int client_getln(char *buf, int bufsize)
        /* Strip the trailing LF, and the trailing CR if present.
         */
        buf[i] = 0;
-       while ( (!IsEmptyStr(buf)) && ((buf[strlen(buf)-1]==10) || (buf[strlen(buf)-1] == 13)) ) {
-               buf[strlen(buf)-1] = 0;
+       while ( (i > 0)
+               && ( (buf[i - 1]==13)
+                    || ( buf[i - 1]==10)) ) {
+               i--;
+               buf[i] = 0;
        }
-       if (retval < 0) safestrncpy(buf, "000", bufsize);
+       if (retval < 0) safestrncpy(&buf[i], "000", bufsize - i);
        return(retval);
 }