diff options
Diffstat (limited to 'lib/roken/net_read.c')
| -rw-r--r-- | lib/roken/net_read.c | 82 | 
1 files changed, 63 insertions, 19 deletions
| diff --git a/lib/roken/net_read.c b/lib/roken/net_read.c index effc00112b7d..df1ac53def10 100644 --- a/lib/roken/net_read.c +++ b/lib/roken/net_read.c @@ -1,23 +1,23 @@  /* - * Copyright (c) 1995, 1996, 1997, 1998 Kungliga Tekniska Högskolan + * Copyright (c) 1995, 1996, 1997, 1998 Kungliga Tekniska Högskolan   * (Royal Institute of Technology, Stockholm, Sweden).   * All rights reserved. - *  + *   * Redistribution and use in source and binary forms, with or without   * modification, are permitted provided that the following conditions   * are met: - *  + *   * 1. Redistributions of source code must retain the above copyright   *    notice, this list of conditions and the following disclaimer. - *  + *   * 2. Redistributions in binary form must reproduce the above copyright   *    notice, this list of conditions and the following disclaimer in the   *    documentation and/or other materials provided with the distribution. - *  + *   * 3. Neither the name of the Institute nor the names of its contributors   *    may be used to endorse or promote products derived from this software   *    without specific prior written permission. - *  + *   * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -31,14 +31,7 @@   * SUCH DAMAGE.   */ -#ifdef HAVE_CONFIG_H  #include <config.h> -RCSID("$Id: net_read.c 21005 2007-06-08 01:54:35Z lha $"); -#endif - -#include <sys/types.h> -#include <unistd.h> -#include <errno.h>  #include "roken.h" @@ -46,19 +39,17 @@ RCSID("$Id: net_read.c 21005 2007-06-08 01:54:35Z lha $");   * Like read but never return partial data.   */ -ssize_t ROKEN_LIB_FUNCTION -net_read (int fd, void *buf, size_t nbytes) +#ifndef _WIN32 + +ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL +net_read (rk_socket_t fd, void *buf, size_t nbytes)  {      char *cbuf = (char *)buf;      ssize_t count;      size_t rem = nbytes;      while (rem > 0) { -#ifdef WIN32 -	count = recv (fd, cbuf, rem, 0); -#else  	count = read (fd, cbuf, rem); -#endif  	if (count < 0) {  	    if (errno == EINTR)  		continue; @@ -72,3 +63,56 @@ net_read (int fd, void *buf, size_t nbytes)      }      return nbytes;  } + +#else + +ROKEN_LIB_FUNCTION ssize_t ROKEN_LIB_CALL +net_read(rk_socket_t sock, void *buf, size_t nbytes) +{ +    char *cbuf = (char *)buf; +    ssize_t count; +    size_t rem = nbytes; + +#ifdef SOCKET_IS_NOT_AN_FD +    int use_read = 0; +#endif + +    while (rem > 0) { +#ifdef SOCKET_IS_NOT_AN_FD +	if (use_read) +	    count = _read (sock, cbuf, rem); +	else +	    count = recv (sock, cbuf, rem, 0); + +	if (use_read == 0 && +	    rk_IS_SOCKET_ERROR(count) && +            (rk_SOCK_ERRNO == WSANOTINITIALISED || +             rk_SOCK_ERRNO == WSAENOTSOCK)) { +	    use_read = 1; + +	    count = _read (sock, cbuf, rem); +	} +#else +	count = recv (sock, cbuf, rem, 0); +#endif +	if (count < 0) { + +	    /* With WinSock, the error EINTR (WSAEINTR), is used to +	       indicate that a blocking call was cancelled using +	       WSACancelBlockingCall(). */ + +#ifndef HAVE_WINSOCK +	    if (rk_SOCK_ERRNO == EINTR) +		continue; +#endif +	    return count; +	} else if (count == 0) { +	    return count; +	} +	cbuf += count; +	rem -= count; +    } +    return nbytes; +} + +#endif | 
