[gccsdk] [Bug 233] New: sendto function not returning number of characters sent

bugzilla-daemon at riscos.info bugzilla-daemon at riscos.info
Tue May 1 09:55:17 PDT 2012


           Summary: sendto function not returning number of characters
           Product: GCC/GCCSDK
           Version: other
          Platform: Other
        OS/Version: RISC OS
            Status: NEW
          Severity: normal
          Priority: P1
         Component: GCCSDK Build
        AssignedTo: John.Tytgat at aaug.net
        ReportedBy: chrisg at care4free.net
   Estimated Hours: 0.0

The sendto function should return the number of characters sent as per similar
functions send and sendmsg. Below is a patch for _sendto in socket.h to match
functionality of send and sendmsg.

--- libunixlib/incl-local/sys/socket.h.orig       2011-05-01 10:13:13.000000000
+++ libunixlib/incl-local/sys/socket.h    2012-04-30 09:51:41.000000000 +0100
@@ -294,15 +294,17 @@
   register int flags __asm ("r3") = __flags;
   register __CONST_SOCKADDR_ARG addr __asm ("r4") = __addr;
   register socklen_t addrlen __asm ("r5") = __addrlen;
-  register const _kernel_oserror *err;
+  register ssize_t rtrn __asm ("r0");
+  const _kernel_oserror *err;
   __asm__ volatile ("SWI\t%[SWI_XSocket_Sendto]\n\t"
-                   "MOVVC\tr0, #0\n\t"
-                   : [err] "=r" (err)
+                   "MOVVC\t%[err], #0\n\t"
+                   "MOVVS\t%[err], r0\n\t"
+                   : [err] "=r" (err), "=r" (rtrn)
                     : "r" (fd), "r" (buf), "r" (len), "r" (flags),
                      "r" (addr), "r" (addrlen),
                       [SWI_XSocket_Sendto] "i" (Socket_Sendto | (1<<17))
                     : "r14", "cc");
-  return __net_error (0, err);
+  return __net_error (rtrn, err);

 static __inline__ int __attribute__ ((always_inline))

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