- rename CONFIG_FEATURE_TFTP_DEBUG to CONFIG_DEBUG_TFTP so it's off in defconfig

- expand the cmd_get/cmd_put macros
- Jason Schoon writes: unlink only if non-stdio

diff --git a/networking/tftp.c b/networking/tftp.c
index 1c719f0d4a5b65ef08ffc572480429454532966c..237609fad66e20ce5eb03f2edc703990163ff087 100644 (file)
--- a/networking/tftp.c
+++ b/networking/tftp.c
@@ -95,7 +95,7 @@ static int tftp_blocksize_check(int blocksize, int bufsize)
        return blocksize;
 }
 
-static char *tftp_option_get(char *buf, int len, const char const *option)
+static char *tftp_option_get(char *buf, int len, const char * const option)
 {
        int opt_val = 0;
        int opt_found = 0;
@@ -142,8 +142,6 @@ static int tftp(const int cmd, const struct hostent *host,
                   const char *remotefile, const int localfd,
                   const unsigned short port, int tftp_bufsize)
 {
-#define cmd_get  cmd & tftp_cmd_get
-#define cmd_put  cmd & tftp_cmd_put
        struct sockaddr_in sa;
        struct sockaddr_in from;
        struct timeval tv;
@@ -181,10 +179,10 @@ static int tftp(const int cmd, const struct hostent *host,
                   sizeof(sa.sin_addr));
 
        /* build opcode */
-       if (cmd_get) {
+       if (cmd & tftp_cmd_get) {
                opcode = TFTP_RRQ;
        }
-       if (cmd_put) {
+       if (cmd & tftp_cmd_put) {
                opcode = TFTP_WRQ;
        }
 
@@ -197,8 +195,8 @@ static int tftp(const int cmd, const struct hostent *host,
                cp += 2;
 
                /* add filename and mode */
-               if (((cmd_get) && (opcode == TFTP_RRQ)) ||
-                       ((cmd_put) && (opcode == TFTP_WRQ)))
+               if (((cmd & tftp_cmd_get) && (opcode == TFTP_RRQ)) ||
+                       ((cmd & tftp_cmd_put) && (opcode == TFTP_WRQ)))
                {
                        int too_long = 0;
 
@@ -245,8 +243,8 @@ static int tftp(const int cmd, const struct hostent *host,
 
                /* add ack and data */
 
-               if (((cmd_get) && (opcode == TFTP_ACK)) ||
-                       ((cmd_put) && (opcode == TFTP_DATA))) {
+               if (((cmd & tftp_cmd_get) && (opcode == TFTP_ACK)) ||
+                       ((cmd & tftp_cmd_put) && (opcode == TFTP_DATA))) {
 
                        *((unsigned short *) cp) = htons(block_nr);
 
@@ -254,7 +252,7 @@ static int tftp(const int cmd, const struct hostent *host,
 
                        block_nr++;
 
-                       if ((cmd_put) && (opcode == TFTP_DATA)) {
+                       if ((cmd & tftp_cmd_put) && (opcode == TFTP_DATA)) {
                                len = bb_full_read(localfd, cp, tftp_bufsize - 4);
 
                                if (len < 0) {
@@ -279,7 +277,7 @@ static int tftp(const int cmd, const struct hostent *host,
 
                        len = cp - buf;
 
-#ifdef CONFIG_FEATURE_TFTP_DEBUG
+#ifdef CONFIG_DEBUG_TFTP
                        fprintf(stderr, "sending %u bytes\n", len);
                        for (cp = buf; cp < &buf[len]; cp++)
                                fprintf(stderr, "%02x ", (unsigned char) *cp);
@@ -355,7 +353,7 @@ static int tftp(const int cmd, const struct hostent *host,
                opcode = ntohs(*((unsigned short *) buf));
                tmp = ntohs(*((unsigned short *) &buf[2]));
 
-#ifdef CONFIG_FEATURE_TFTP_DEBUG
+#ifdef CONFIG_DEBUG_TFTP
                fprintf(stderr, "received %d bytes: %04x %04x\n", len, opcode, tmp);
 #endif
 
@@ -395,12 +393,12 @@ static int tftp(const int cmd, const struct hostent *host,
 
                                        if (tftp_blocksize_check(blksize, tftp_bufsize - 4)) {
 
-                                               if (cmd_put) {
+                                               if (cmd & tftp_cmd_put) {
                                                        opcode = TFTP_DATA;
                                                } else {
                                                        opcode = TFTP_ACK;
                                                }
-#ifdef CONFIG_FEATURE_TFTP_DEBUG
+#ifdef CONFIG_DEBUG_TFTP
                                                fprintf(stderr, "using %s %u\n", OPTION_BLOCKSIZE,
                                                                blksize);
 #endif
@@ -422,7 +420,7 @@ static int tftp(const int cmd, const struct hostent *host,
                }
 #endif
 
-               if ((cmd_get) && (opcode == TFTP_DATA)) {
+               if ((cmd & tftp_cmd_get) && (opcode == TFTP_DATA)) {
 
                        if (tmp == block_nr) {
 
@@ -453,7 +451,7 @@ static int tftp(const int cmd, const struct hostent *host,
                        }
                }
 
-               if ((cmd_put) && (opcode == TFTP_ACK)) {
+               if ((cmd & tftp_cmd_put) && (opcode == TFTP_ACK)) {
 
                        if (tmp == (unsigned short) (block_nr - 1)) {
                                if (finished) {
@@ -562,7 +560,7 @@ int tftp_main(int argc, char **argv)
        host = xgethostbyname(argv[optind]);
        port = bb_lookup_port(argv[optind + 1], "udp", 69);
 
-#ifdef CONFIG_FEATURE_TFTP_DEBUG
+#ifdef CONFIG_DEBUG_TFTP
        fprintf(stderr, "using server \"%s\", remotefile \"%s\", "
                        "localfile \"%s\".\n",
                        inet_ntoa(*((struct in_addr *) host->h_addr)),
@@ -571,12 +569,11 @@ int tftp_main(int argc, char **argv)
 
        result = tftp(cmd, host, remotefile, fd, port, blocksize);
 
-#ifdef CONFIG_FEATURE_CLEAN_UP
        if (!(fd == STDOUT_FILENO || fd == STDIN_FILENO)) {
-               close(fd);
+               if (ENABLE_FEATURE_CLEAN_UP)
+                       close(fd);
+               if (cmd == tftp_cmd_get && result != EXIT_SUCCESS)
+                       unlink(localfile);
        }
-#endif
-       if (cmd == tftp_cmd_get && result != EXIT_SUCCESS)
-               unlink(localfile);
        return (result);
 }