Removed trailing white space from *.h and *.c files

CHANGES

@@ -83,6 +83,8 @@ Coding:
 	Stream dump write now warn on write errors and partial writes (but
 	still do not recover).
 
+	Removed trailing white space from *.h and *.c files.
+
 Porting:
 	Small correction in configure.ac makes Socat C99 able.
 	Thanks to Florian Weimer from Red Hat for providing a patch.

fdname.c

@@ -89,7 +89,7 @@ static int procgetfdname(int fd, char *filepath, size_t pathsize) {
       }
    }
 #endif /* !HAVE_STAT64 */
-       
+
    if (pid < 0)  pid = Getpid();
    snprintf(procpath, sizeof(procpath), "/proc/"F_pid"/"
 #if HAVE_PROC_DIR_PATH
@@ -107,7 +107,7 @@ static int procgetfdname(int fd, char *filepath, size_t pathsize) {
    return 0;
 }
 #endif /* HAVE_PROC_DIR_FD || HAVE_PROC_DIR_PATH */
-   
+
 int statname(const char *file, int fd, int filetype, FILE *outfile,
 	     char style) {
    char filepath[PATH_MAX];
@@ -229,7 +229,7 @@ int sockname(int fd, FILE *outfile, char style) {
 #if HAVE_GETPROTOBYNUMBER || HAVE_GETPROTOBYNUMBER_R
    struct protoent protoent, *protoentp;
 #endif
-#define PROTONAMEMAX 1024 
+#define PROTONAMEMAX 1024
    char protoname[PROTONAMEMAX] = "";
 #if defined(SO_PROTOCOL) || defined(SO_PROTOTYPE)
    int proto = 0;
@@ -304,8 +304,8 @@ int sockname(int fd, FILE *outfile, char style) {
    }
 #else
    switch (proto) {
-   case IPPROTO_TCP:  strcpy(protoname, "tcp"); break; 
+   case IPPROTO_TCP:  strcpy(protoname, "tcp"); break;
-   case IPPROTO_UDP:  strcpy(protoname, "udp"); break; 
+   case IPPROTO_UDP:  strcpy(protoname, "udp"); break;
    case IPPROTO_SCTP: strcpy(protoname, "sctp"); break;
    default: sprintf(protoname, "proto%d", proto); break;
    }

filan.c

@@ -3,7 +3,7 @@
 /* Published under the GNU General Public License V.2, see file COPYING */
 
 /* the subroutine filan makes a "FILe descriptor ANalysis". It checks the
-   type of file descriptor and tries to retrieve as much info about it as 
+   type of file descriptor and tries to retrieve as much info about it as
    possible without modifying its state.
    NOTE: it works on UNIX (kernel) file descriptors, not on libc files! */
 
@@ -79,7 +79,7 @@ int filan_file(const char *filename, FILE *outfile) {
    default:
       if ((fd =
 	   Open(filename,  O_RDONLY|O_NOCTTY|O_NONBLOCK
-#ifdef O_NOFOLLOW		
+#ifdef O_NOFOLLOW
 		|(filan_followsymlinks?0:O_NOFOLLOW)
 #endif
 #ifdef O_LARGEFILE
@@ -91,7 +91,7 @@ int filan_file(const char *filename, FILE *outfile) {
 	       filename, strerror(errno));
       }
    }
-     
+
    result = filan_stat(&buf, fd, -1, outfile, filename);
    fputc('\n', outfile);
    return result;
@@ -200,7 +200,7 @@ int filan_fd(int fd, FILE *outfile) {
 	       }
 	    }
 #endif /* _WITH_SOCKET && defined(MSG_DONTWAIT) */
-	 }	 
+	 }
 #endif /* HAVE_POLL */
       }
    }
@@ -642,7 +642,7 @@ int sockan(int fd, FILE *outfile) {
 #     define TYPENAMEMAX 16
       char typename[TYPENAMEMAX];
       sockettype(*optval.i, typename, sizeof(typename));
-      
+
       Debug3("fd %d: socket of type %d (\"%s\")", fd, *optval.i,
 	  typename);
    }
@@ -790,7 +790,7 @@ int ipan(int fd, FILE *outfile) {
    const struct sockopt *optname;
    int optproto;
    socklen_t optlen = sizeof(optproto);
-   
+
    optname = ipopts; while (optname->so) {
       sockoptan(fd, optname, SOL_IP, outfile);
       ++optname;
@@ -825,7 +825,7 @@ int ip6an(int fd, FILE *outfile) {
 #endif
       {0, NULL} } ;
    const struct sockopt *optname;
-   
+
    optname = ip6opts; while (optname->so) {
       sockoptan(fd, optname, SOL_IPV6, outfile);
       ++optname;
@@ -1059,4 +1059,4 @@ static int printtime(FILE *outfile, time_t time) {
       fputs(s, outfile);
    }
    return 0;
-}   
+}

nestlex.c

@@ -73,7 +73,7 @@ static int _nestlex(const char **addr,
 
       /* is this end of input string? */
       if (*in == 0)  {
-	 
+
 	 break; /* end of string */
       }
 
@@ -123,7 +123,7 @@ static int _nestlex(const char **addr,
 		  if (--*len <= 0) { *addr = in; *token = out; return -1; }
 	       }
 	    }
-	       
+
 	    break;
 	 }
 	 ++quotx;

socat.c

@@ -230,7 +230,7 @@ int main(int argc, const char *argv[]) {
 	 rto = Strtod(a, (char **)&a, "-t");
 	 socat_opts.closwait.tv_sec = rto;
 	 socat_opts.closwait.tv_usec =
-	    (rto-socat_opts.closwait.tv_sec) * 1000000; 
+	    (rto-socat_opts.closwait.tv_sec) * 1000000;
 	 break;
       case 'T':  if (arg1[0][2]) {
 	    a = *arg1+2;
@@ -244,7 +244,7 @@ int main(int argc, const char *argv[]) {
 	 rto = Strtod(a, (char **)&a, "-T");
 	 socat_opts.total_timeout.tv_sec = rto;
 	 socat_opts.total_timeout.tv_usec =
-	    (rto-socat_opts.total_timeout.tv_sec) * 1000000; 
+	    (rto-socat_opts.total_timeout.tv_sec) * 1000000;
 	 break;
       case 'u':  if (arg1[0][2])  { socat_opt_hint(stderr, arg1[0][1], arg1[0][2]); Exit(1); }
 	 socat_opts.lefttoright = true; break;
@@ -738,8 +738,7 @@ int socat(const char *address1, const char *address2) {
 #endif
 
    Info("resolved and opened all sock addresses");
-   return 
+   return _socat();	/* nsocks, sockets are visible outside function */
-      _socat();	/* nsocks, sockets are visible outside function */
 }
 
 /* checks if this is a connection to a child process, and if so, sees if the
@@ -1041,7 +1040,7 @@ int _socat(void) {
 	 if (closing) {
 	    break;
 	 }
-	 /* one possibility to come here is ignoreeof on some fd, but no EOF 
+	 /* one possibility to come here is ignoreeof on some fd, but no EOF
 	    and no data on any descriptor - this is no indication for end! */
 	 continue;
       }
@@ -1051,7 +1050,7 @@ int _socat(void) {
 	 if (fd1in->revents & POLLNVAL) {
 	    /* this is what we find on Mac OS X when poll()'ing on a device or
 	       named pipe. a read() might imm. return with 0 bytes, resulting
-	       in a loop? */ 
+	       in a loop? */
 	    Error1("poll(...[%d]: invalid request", fd1in->fd);
 		  free(buff);
 	    return -1;
@@ -1137,7 +1136,7 @@ int _socat(void) {
 		XIO_RDSTREAM(sock2)->actbytes == 0) {
 	       /* avoid idle when all readbytes already there */
 	       mayrd2 = true;
-	    }          
+	    }
 	    /* escape char occurred? */
 	    if (XIO_RDSTREAM(sock2)->actescape) {
 	       bytes2 = 0;	/* indicate EOF */
@@ -1287,7 +1286,7 @@ static int
 /* inpipe is suspected to have read data available; read at most bufsiz bytes
    and transfer them to outpipe. Perform required data conversions.
    buff must be a malloc()'ed storage and might be realloc()'ed in this
-   function if more space is required after conversions. 
+   function if more space is required after conversions.
    Returns the number of bytes written, or 0 on EOF or <0 if an
    error occurred or when data was read but none written due to conversions
    (with EAGAIN). EAGAIN also occurs when reading from a nonblocking FD where
@@ -1571,7 +1570,7 @@ void socat_signal(int signum) {
       break;
    case SIGTERM:
       Warn1("exiting on signal %d", signum); break;
-   case SIGHUP:  
+   case SIGHUP:
    case SIGINT:
       Notice1("exiting on signal %d", signum); break;
    }

sslcls.c

@@ -348,7 +348,7 @@ int sycSSL_connect(SSL *ssl) {
    Debug1("SSL_connect(%p)", ssl);
    result = SSL_connect(ssl);
    Debug1("SSL_connect() -> %d", result);
-   return result;   
+   return result;
 }
 
 int sycSSL_accept(SSL *ssl) {
@@ -356,7 +356,7 @@ int sycSSL_accept(SSL *ssl) {
    Debug1("SSL_accept(%p)", ssl);
    result = SSL_accept(ssl);
    Debug1("SSL_accept() -> %d", result);
-   return result;   
+   return result;
 }
 
 int sycSSL_read(SSL *ssl, void *buf, int num) {
@@ -392,7 +392,7 @@ X509 *sycSSL_get_peer_certificate(SSL *ssl) {
    } else {
       Debug("SSL_get_peer_certificate() -> NULL");
    }
-   return result;   
+   return result;
 }
 
 int sycSSL_shutdown(SSL *ssl) {

sycls.c

@@ -1097,13 +1097,13 @@ int Connect(int sockfd, const struct sockaddr *serv_addr, socklen_t addrlen) {
    Debug18("connect(%d,{0x%02x%02x%02x%02x %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x}, "F_Zd")",
 	   sockfd,
 	   ((unsigned char *)serv_addr)[0],  ((unsigned char *)serv_addr)[1],
-	   ((unsigned char *)serv_addr)[2],  ((unsigned char *)serv_addr)[3], 
+	   ((unsigned char *)serv_addr)[2],  ((unsigned char *)serv_addr)[3],
-	   ((unsigned char *)serv_addr)[4],  ((unsigned char *)serv_addr)[5], 
+	   ((unsigned char *)serv_addr)[4],  ((unsigned char *)serv_addr)[5],
-	   ((unsigned char *)serv_addr)[6],  ((unsigned char *)serv_addr)[7], 
+	   ((unsigned char *)serv_addr)[6],  ((unsigned char *)serv_addr)[7],
-	   ((unsigned char *)serv_addr)[8],  ((unsigned char *)serv_addr)[9], 
+	   ((unsigned char *)serv_addr)[8],  ((unsigned char *)serv_addr)[9],
-	   ((unsigned char *)serv_addr)[10], ((unsigned char *)serv_addr)[11], 
+	   ((unsigned char *)serv_addr)[10], ((unsigned char *)serv_addr)[11],
-	   ((unsigned char *)serv_addr)[12], ((unsigned char *)serv_addr)[13], 
+	   ((unsigned char *)serv_addr)[12], ((unsigned char *)serv_addr)[13],
-	   ((unsigned char *)serv_addr)[14], ((unsigned char *)serv_addr)[15], 
+	   ((unsigned char *)serv_addr)[14], ((unsigned char *)serv_addr)[15],
 	   addrlen);
 #else
    Debug4("connect(%d, {%d,%s}, "F_socklen")",
@@ -1536,7 +1536,7 @@ int Tcgetattr(int fd, struct termios *termios_p) {
 #else
    Debug6("tcgetattr(, {%08x,%08x,%08x,%08x,%s}) -> %d",
 	  termios_p->c_iflag, termios_p->c_oflag,
-	  termios_p->c_cflag, termios_p->c_lflag, 
+	  termios_p->c_cflag, termios_p->c_lflag,
 	  chars, result);
 #endif
    errno = _errno;

sysutils.c

@@ -661,7 +661,7 @@ int xiopoll(struct pollfd fds[], unsigned long nfds, struct timeval *timeout) {
 #endif /* !HAVE_POLL */
    }
 }
-   
+
 
 #if WITH_TCP || WITH_UDP
 /* returns port in network byte order;

vsnprintf_r.c

@@ -78,11 +78,11 @@ static char *diag_ulong_to_dec(char *field, size_t n, unsigned long ulo, int lea
       while (--i >= 0) {
 	 *--np = c;
       }
-   }	     
+   }
    return np;
 }
 
-/* this function converts a signed long number to decimal ASCII  
+/* this function converts a signed long number to decimal ASCII
    and pads it with space or '0' when size and leading0 are set appropriately
    it is async signal safe and thread safe
    it returns NULL if n==0
@@ -110,7 +110,7 @@ static char *diag_long_to_dec(char *field, size_t n, long lo, int leading0, int
       if (size >= n)  size = n-1;
       i = size - strlen(np);
       if (leading0) {
-	 if (minus) --i; 
+	 if (minus) --i;
 	 while (--i >= 0) {
 	    *--np = '0';
 	 }
@@ -156,7 +156,7 @@ static char *diag_ulong_to_hex(char *field, size_t n, unsigned long ulo, int lea
       while (--i >= 0) {
 	 *--np = c;
       }
-   }	     
+   }
    return np;
 }
 
@@ -188,7 +188,7 @@ static char *diag_ulong_to_oct(char *field, size_t n, unsigned long ulo, int lea
       while (--i >= 0) {
 	 *--np = c;
       }
-   }	     
+   }
    return np;
 }
 
@@ -240,11 +240,11 @@ static char *diag_ulonglong_to_dec(char *field, size_t n, unsigned long long ull
       while (i-- > 0) {
 	 *--np = c;
       }
-   }	     
+   }
    return np;
 }
 
-/* this function converts a signed long long number to decimal ASCII  
+/* this function converts a signed long long number to decimal ASCII
    and pads it with space or '0' when size and leading0 are set appropriately
    it is async signal safe and thread safe
    it returns NULL if n==0
@@ -272,7 +272,7 @@ static char *diag_longlong_to_dec(char *field, size_t n, long long ll, int leadi
       if (size >= n)  size = n-1;
       i = size - strlen(np);
       if (leading0) {
-	 if (minus) --i; 
+	 if (minus) --i;
 	 while (--i >= 0) {
 	    *--np = '0';
 	 }
@@ -283,7 +283,7 @@ static char *diag_longlong_to_dec(char *field, size_t n, long long ll, int leadi
 	    *--np = ' ';
 	 }
       }
-   }	     
+   }
    return np;
 }
 
@@ -316,7 +316,7 @@ static char *diag_ulonglong_to_hex(char *field, size_t n, unsigned long long ull
       while (i-- > 0) {
 	 *--np = c;
       }
-   }	     
+   }
    return np;
 }
 
@@ -348,7 +348,7 @@ static char *diag_ulonglong_to_oct(char *field, size_t n, unsigned long long ull
       while (--i >= 0) {
 	 *--np = c;
       }
-   }	     
+   }
    return np;
 }
 
@@ -369,7 +369,7 @@ int vsnprintf_r(char *str, size_t size, const char *format, va_list ap) {
    --size;	/* without trailing \0 */
    while (c = *format++) {
       if (c == '\\') {
-	 
+
       } else if (c == '%') {
 #if HAVE_TYPE_LONGLONG
 #	 define num_buff_len ((sizeof(unsigned long long)*8+2)/3+1)	/* hold up to u long long in octal w/ \0 */
@@ -389,7 +389,7 @@ int vsnprintf_r(char *str, size_t size, const char *format, va_list ap) {
 
 	 c = *format++;
 	 if (c == '\0')  { break; }
-	 
+
 	 /* flag characters */
 	 switch (c) {
 	 case '0': leading0 = 1;  c = *format++;  break;
@@ -423,13 +423,13 @@ int vsnprintf_r(char *str, size_t size, const char *format, va_list ap) {
 	 case 'h':
 	    lengthmod = c;
 	    if ((c = *format++) == 'h') {
-	       lengthmod = 'H'; c = *format++; 
+	       lengthmod = 'H'; c = *format++;
 	    }
 	    break;
-	 case 'l': 
+	 case 'l':
 	    lengthmod = c;
 	    if ((c = *format++) == 'l') {
-	       lengthmod = 'L'; c = *format++; 
+	       lengthmod = 'L'; c = *format++;
 	    }
 	    break;
 	 }

xio-exec.c

@@ -37,7 +37,7 @@ static int xioopen_exec(int argc, const char *argv[], struct opt *opts,
    if (argc != 2) {
       Error3("\"%s:%s\": wrong number of parameters (%d instead of 1)", argv[0], argv[1], argc-1);
    }
-      
+
    retropt_bool(opts, OPT_DASH, &dash);
 
    status = _xioopen_foxec(xioflags, &fd->stream, groups, &opts, &duptostderr);
@@ -126,11 +126,17 @@ static int xioopen_exec(int argc, const char *argv[], struct opt *opts,
       Execvp(token, pargv);
       /* here we come only if execvp() failed */
       switch (pargc) {
-      case 1: Error3("execvp(\"%s\", \"%s\"): %s", token, pargv[0], strerror(errno)); break; 
+      case 1:
-      case 2: Error4("execvp(\"%s\", \"%s\", \"%s\"): %s", token, pargv[0], pargv[1], strerror(errno)); break; 
+	 Error3("execvp(\"%s\", \"%s\"): %s",
+		token, pargv[0], strerror(errno)); break;
+      case 2:
+	 Error4("execvp(\"%s\", \"%s\", \"%s\"): %s",
+		token, pargv[0], pargv[1], strerror(errno)); break;
       case 3:
       default:
-	 Error5("execvp(\"%s\", \"%s\", \"%s\", \"%s\", ...): %s", token, pargv[0], pargv[1], pargv[2], strerror(errno)); break; 
+	 Error5("execvp(\"%s\", \"%s\", \"%s\", \"%s\", ...): %s", token,
+		pargv[0], pargv[1], pargv[2], strerror(errno));
+	 break;
       }
       Exit(1);	/* this child process */
    }

xio-gopen.c

@@ -112,7 +112,7 @@ static int xioopen_gopen(int argc, const char *argv[], struct opt *opts, int xio
       applyopts_cloexec(fd->stream.fd, opts);
    }
 
-   if ((result = applyopts2(fd->stream.fd, opts, PH_PASTSOCKET, PH_CONNECTED)) < 0) 
+   if ((result = applyopts2(fd->stream.fd, opts, PH_PASTSOCKET, PH_CONNECTED)) < 0)
       return result;
 
    if ((result = _xio_openlate(&fd->stream, opts)) < 0)

xio-ip.c

@@ -187,7 +187,7 @@ int xiogetaddrinfo(const char *node, const char *service,
 	 Warn2("xiogetaddrinfo(, \"%s\", ...): extra trailing data \"%s\"",
 	       service, extra);
       }
-      service = NULL; 
+      service = NULL;
    }
 
    /* the resolver functions might handle numeric forms of node names by
@@ -448,7 +448,7 @@ int xiogetaddrinfo(const char *node, const char *service,
       case PF_INET6: sau->ip6.sin6_port = port; break;
 #endif /* WITH_IP6 */
       }
-   }      
+   }
 #endif /* WITH_TCP || WITH_UDP */
 
    if (numnode)  free(numnode);
@@ -506,7 +506,7 @@ int xiolog_ancillary_ip(struct cmsghdr *cmsg, int *num,
       *num = 3;
       typbuff[0] = '\0'; strncat(typbuff, "IP_PKTINFO", typlen-1);
       snprintf(nambuff, namlen, "%s%c%s%c%s", "if", '\0', "locaddr", '\0', "dstaddr");
-      snprintf(envbuff, envlen, "%s%c%s%c%s", "IP_IF", '\0', 
+      snprintf(envbuff, envlen, "%s%c%s%c%s", "IP_IF", '\0',
 	       "IP_LOCADDR", '\0', "IP_DSTADDR");
       snprintf(valbuff, vallen, "%s%c%s%c%s",
 	       xiogetifname(pktinfo->ipi_ifindex, scratch1, -1), '\0',

xio-ip6.c

@@ -228,7 +228,7 @@ int xiocheckrange_ip6(struct sockaddr_in6 *pa, struct xiorange *range) {
        masked.u6_addr32[1] != rangeaddr->u6_addr32[1] ||
        masked.u6_addr32[2] != rangeaddr->u6_addr32[2] ||
        masked.u6_addr32[3] != rangeaddr->u6_addr32[3]) {
-      Debug1("client address %s is not permitted", peername); 
+      Debug1("client address %s is not permitted", peername);
       return -1;
    }
    return 0;

xio-named.c

@@ -85,7 +85,7 @@ int applyopts_named(const char *filename, struct opt *opts, unsigned int phase)
 }
 
 
-/* perform actions that are common to all NAMED group addresses: checking if 
+/* perform actions that are common to all NAMED group addresses: checking if
    the entry exists, parsing options, ev.removing old filesystem entry or
    setting early owners and permissions.
    It applies options of PH_EARLY and PH_PREOPEN.

xio-openssl.c

@@ -21,7 +21,7 @@
 #include "xio-openssl.h"
 
 /* the openssl library requires a file descriptor for external communications.
-   so our best effort is to provide any possible kind of un*x file descriptor 
+   so our best effort is to provide any possible kind of un*x file descriptor
    (not only tcp, but also pipes, stdin, files...)
    for tcp we want to provide support for socks and proxy.
    read and write functions must use the openssl crypt versions.
@@ -261,7 +261,7 @@ static int
    retropt_bool(opts, OPT_OPENSSL_NO_SNI, &opt_no_sni);
    retropt_string(opts, OPT_OPENSSL_SNIHOST, (char **)&opt_snihost);
 #endif
-   
+
    if (opt_commonname == NULL) {
       opt_commonname = strdup(hostname);
       if (opt_commonname == NULL) {
@@ -530,7 +530,7 @@ static int
 #else
    pf = PF_INET;
 #endif
-   
+
    portname = argv[1];
 
    xfd->howtoend = END_SHUTDOWN;
@@ -1643,7 +1643,7 @@ static bool openssl_check_peername(X509_NAME *name, const char *peername) {
    const unsigned char *text;
    ind = X509_NAME_get_index_by_NID(name, NID_commonName, -1);
    if (ind < 0) {
-      Info("no COMMONNAME field in peer certificate");	
+      Info("no COMMONNAME field in peer certificate");
       return false;
    }
    entry = X509_NAME_get_entry(name, ind);
@@ -1740,7 +1740,7 @@ static int openssl_handle_peer_certificate(struct single *xfd,
 	 extstr = OBJ_nid2sn(OBJ_obj2nid(X509_EXTENSION_get_object(ext)));
 	 if (!strcasecmp(extstr, "subjectAltName")) {
 	    void *names;
-	    if (!(meth = X509V3_EXT_get(ext))) break;   
+	    if (!(meth = X509V3_EXT_get(ext))) break;
 	    names = X509_get_ext_d2i(peer_cert, NID_subject_alt_name, NULL, NULL);
 	    if (names) {
 	       int numalts;

xio-progcall.c

@@ -484,7 +484,7 @@ int _xioopen_foxec(int xioflags,	/* XIO_RDONLY etc. */
 		  /*0 Info2("dup(%d) -> %d", rdpip[1], tmpo);*/
 		  wrpip[0] = tmpo;
 	       }
-	       
+
 	       if (rw != XIO_WRONLY && rdpip[1] != fdo) {
 		  /* make sure that the internal diagnostic socket pair fds do not conflict
 		     with our choices */

xio-proxy.c

@@ -220,7 +220,7 @@ static int xioopen_proxy_connect(int argc, const char *argv[], struct opt *opts,
       {
 	 break;
       }
-  
+
    } while (true);	/* end of complete open loop - drop out on success */
 
    Notice4("successfully connected to %s:%u via proxy %s:%s",
@@ -258,7 +258,7 @@ int _xioopen_proxy_prepare(struct proxyvars *proxyvars, struct opt *opts,
 	 Error2("open(\"%s\", O_RDONLY): %s", proxyvars->authfile, strerror(errno));
 	 return STAT_NORETRY;
       }
-      /* go to the end of our proxy auth file to 
+      /* go to the end of our proxy auth file to
 	 figure out how long our proxy auth is */
       if ((length = Lseek(authfd, 0, SEEK_END)) < 0) {
 	 Error2("lseek(<%s>, 0, SEEK_END): %s",
@@ -323,7 +323,7 @@ int _xioopen_proxy_connect(struct single *xfd,
    int rv;
    char buff[BUFLEN+1];		/* for receiving HTTP reply headers */
 #if CONNLEN > BUFLEN
-#error not enough buffer space 
+#error not enough buffer space
 #endif
    char textbuff[2*BUFLEN+1];	/* just for sanitizing print data */
    char *eol = buff;
@@ -410,7 +410,7 @@ int _xioopen_proxy_connect(struct single *xfd,
 	 state = XIOSTATE_ERROR;
 	 break;	/* leave read cycles */
       }
-      
+
       switch (state) {
 
       case XIOSTATE_HTTP1:
@@ -448,7 +448,7 @@ int _xioopen_proxy_connect(struct single *xfd,
 	 }
 	 state = XIOSTATE_HTTP4;
 	 break;
-	 
+
       case XIOSTATE_HTTP4:
 	 /* within header */
 	 if (*(buff+offset) == '\r') {
@@ -564,7 +564,7 @@ int _xioopen_proxy_connect(struct single *xfd,
 	    */
 	    ptr += 3;
 	    while (*ptr == ' ')  ++ptr;
-	    
+
 	    Msg2(level, "%s: %s", request, ptr);
 	    return STAT_RETRYLATER;
 	 }

xio-pty.c

@@ -43,7 +43,7 @@ static int xioopen_pty(int argc, const char *argv[], struct opt *opts, int xiofl
    bool opt_unlink_close = true;	/* remove symlink afterwards */
    bool wait_slave = false;	/* true would be better for many platforms, but
 				   some OSes cannot handle this, and for common
-				   default behaviour as well as backward 
+				   default behaviour as well as backward
 				   compatibility we choose "no" as default */
    struct timespec pollintv = { PTY_INTERVALL };
 

xio-rawip.c

@@ -82,7 +82,7 @@ int xioopen_rawip_sendto(int argc, const char *argv[], struct opt *opts,
 }
 
 /*
-   applies and consumes the following options: 
+   applies and consumes the following options:
    PH_PASTSOCKET, PH_FD, PH_PREBIND, PH_BIND, PH_PASTBIND, PH_CONNECTED, PH_LATE
    OFUNC_OFFSET
    OPT_PROTOCOL_FAMILY, OPT_BIND, OPT_SO_TYPE, OPT_SO_PROTOTYPE, OPT_USER,

xio-socket.c

@@ -51,7 +51,7 @@ int xioopen_socket_recvfrom(int argc, const char *argv[], struct opt *opts,
 			    int dummy1, int socktype, int dummy3);
 static
 int xioopen_socket_recv(int argc, const char *argv[], struct opt *opts,
-			int xioflags, xiofile_t *xfd, unsigned groups, 
+			int xioflags, xiofile_t *xfd, unsigned groups,
 			int dumy1, int dummy2, int dummy3);
 
 static
@@ -257,7 +257,7 @@ int xioopen_socket_connect(int argc, const char *argv[], struct opt *opts,
       Error1("data too long: \"%s\"", address);
    } else if (result > 0) {
       Error1("syntax error in \"%s\"", address);
-   }      
+   }
    them.soa.sa_family = pf;
    themlen = themsize +
 #if HAVE_STRUCT_SOCKADDR_SALEN
@@ -522,7 +522,7 @@ int xioopen_socket_recvfrom(int argc, const char *argv[], struct opt *opts,
       Error1("data too long: \"%s\"", address);
    } else if (result > 0) {
       Error1("syntax error in \"%s\"", address);
-   }      
+   }
    us->soa.sa_family = pf;
    uslen = ussize + sizeof(us->soa.sa_family)
 #if HAVE_STRUCT_SOCKADDR_SALEN
@@ -599,7 +599,7 @@ int xioopen_socket_recv(int argc, const char *argv[], struct opt *opts,
       Error1("data too long: \"%s\"", address);
    } else if (result > 0) {
       Error1("syntax error in \"%s\"", address);
-   }      
+   }
    us.soa.sa_family = pf;
    uslen = ussize + sizeof(sa_family_t)
 #if HAVE_STRUCT_SOCKADDR_SALEN
@@ -751,10 +751,10 @@ int xiogetpacketinfo(int fd)
 
 /* A subroutine that is common to all socket addresses that want to connect()
    a socket to a peer.
-   Applies and consumes the following options: 
+   Applies and consumes the following options:
    PH_PASTSOCKET, PH_FD, PH_PREBIND, PH_BIND, PH_PASTBIND, PH_CONNECT,
    PH_CONNECTED, PH_LATE,
-   OFUNC_OFFSET, 
+   OFUNC_OFFSET,
    OPT_SO_TYPE, OPT_SO_PROTOTYPE, OPT_USER, OPT_GROUP, OPT_CLOEXEC
    Does not fork, does not retry.
    returns 0 on success.
@@ -777,7 +777,7 @@ int _xioopen_connect(struct single *xfd, union sockaddr_union *us, size_t uslen,
 #endif
 
    if ((xfd->fd = xiosocket(opts, pf, socktype, protocol, level)) < 0) {
-      return STAT_RETRYLATER;	    
+      return STAT_RETRYLATER;
    }
 
    applyopts_offset(xfd, opts);
@@ -923,7 +923,7 @@ int _xioopen_connect(struct single *xfd, union sockaddr_union *us, size_t uslen,
    applies and consumes the following option:
    PH_PASTSOCKET, PH_FD, PH_PREBIND, PH_BIND, PH_PASTBIND, PH_CONNECT,
    PH_CONNECTED, PH_LATE,
-   OFUNC_OFFSET, 
+   OFUNC_OFFSET,
    OPT_FORK, OPT_SO_TYPE, OPT_SO_PROTOTYPE, OPT_USER, OPT_GROUP, OPT_CLOEXEC
    returns 0 on success.
 */
@@ -1042,7 +1042,7 @@ int _xioopen_dgram_sendto(/* them is already in xfd->peersa */
 #endif
 
    if ((xfd->fd = xiosocket(opts, pf, socktype, ipproto, level)) < 0) {
-      return STAT_RETRYLATER;	    
+      return STAT_RETRYLATER;
    }
 
    applyopts_offset(xfd, opts);
@@ -1187,7 +1187,7 @@ void xiosigaction_hasread(int signum
    This function does not retry. If you need retries, handle this is a
    loop in the calling function.
    after fork, we set the forever/retry of the child process to 0
-   applies and consumes the following options: 
+   applies and consumes the following options:
    PH_INIT, PH_PREBIND, PH_BIND, PH_PASTBIND, PH_EARLY, PH_PREOPEN, PH_FD,
    PH_CONNECTED, PH_LATE, PH_LATE2
    OPT_FORK, OPT_SO_TYPE, OPT_SO_PROTOTYPE, cloexec, OPT_RANGE, tcpwrap
@@ -1967,7 +1967,7 @@ int xioparsenetwork(const char *rangename, int pf, struct xiorange *range) {
 	Error1("syntax error in \"%s\"", addrname);
 	free(addrname); return STAT_NORETRY;
      }
-     free(addrname); 
+     free(addrname);
      result =
 	dalan(maskname, (uint8_t *)&range->netmask.soa.sa_data, &masklen,
 	      sizeof(range->netaddr)-(size_t)(&((struct sockaddr *)0)->sa_data)
@@ -1998,7 +1998,7 @@ int xioparsenetwork(const char *rangename, int pf, struct xiorange *range) {
 }
 
 
-/* parses a string of form address/bits or address:mask, and fills the fields 
+/* parses a string of form address/bits or address:mask, and fills the fields
    of the range union. The addr component is masked with mask. */
 int xioparserange(const char *rangename, int pf, struct xiorange *range) {
    int i;
@@ -2031,10 +2031,10 @@ int xioparserange(const char *rangename, int pf, struct xiorange *range) {
 }
 
 
-/* set environment variables describing (part of) a socket address, e.g. 
+/* set environment variables describing (part of) a socket address, e.g.
    SOCAT_SOCKADDR. lr (local/remote) specifies a string like  "SOCK" or "PEER".
-   proto should correspond to the third parameter of socket(2) and is used to 
+   proto should correspond to the third parameter of socket(2) and is used to
-   determine the presence of port information. */ 
+   determine the presence of port information. */
 int xiosetsockaddrenv(const char *lr,
 		      union sockaddr_union *sau, socklen_t salen,
 		      int proto) {
@@ -2064,7 +2064,7 @@ int xiosetsockaddrenv(const char *lr,
 	 xiosetenv(namebuff, valuebuff, 1, NULL);
 	 namebuff[strlen(lr)] = '\0';  ++idx;
       } while (result > 0);
-      break; 
+      break;
 #endif /* WITH_IP4 */
 #if WITH_IP6
    case PF_INET6:
@@ -2111,7 +2111,7 @@ int xiosetsockaddrenv(const char *lr,
 /* retrieves options so-type and so-prototype from opts, calls socket, and
    ev. generates an appropriate error message.
    returns 0 on success or -1 if an error occurred. */
-int 
+int
 xiosocket(struct opt *opts, int pf, int socktype, int proto, int msglevel) {
    int result;
 
@@ -2131,7 +2131,7 @@ xiosocket(struct opt *opts, int pf, int socktype, int proto, int msglevel) {
 /* retrieves options so-type and so-prototype from opts, calls socketpair, and
    ev. generates an appropriate error message.
    returns 0 on success or -1 if an error occurred. */
-int 
+int
 xiosocketpair(struct opt *opts, int pf, int socktype, int proto, int sv[2]) {
    int result;
 

xio-socket.h

@@ -97,7 +97,7 @@ extern int _xioopen_connect(struct single *fd,
 			    bool alt, int level);
 
 /* common to xioopen_udp_sendto, ..unix_sendto, ..rawip */
-extern 
+extern
 int _xioopen_dgram_sendto(/* them is already in xfd->peersa */
 			union sockaddr_union *us, socklen_t uslen,
 			struct opt *opts,
@@ -115,7 +115,7 @@ int _xioopen_dgram_recv(struct single *xfd, int xioflags,
 			int level);
 extern
 int xiodopacketinfo(struct msghdr *msgh, bool withlog, bool withenv);
-extern 
+extern
 int xiogetpacketsrc(int fd, struct msghdr *msgh, int flags);
 extern
 int xiocheckpeer(xiosingle_t *xfd,
@@ -126,12 +126,12 @@ int xiosetsockaddrenv(const char *lr, union sockaddr_union *sau, socklen_t salen
 extern
 int xioparsenetwork(const char *rangename, int pf,
 		    struct xiorange *range);
-extern 
+extern
 int xioparserange(const char *rangename, int pf, struct xiorange *range);
 
 extern int
 xiosocket(struct opt *opts, int pf, int socktype, int proto, int level);
-extern int 
+extern int
 xiosocketpair(struct opt *opts, int pf, int socktype, int proto, int sv[2]);
 
 #endif /* !defined(__xio_socket_h_included) */

xio-streams.h

@@ -3,7 +3,7 @@
 /* Published under the GNU General Public License V.2, see file COPYING */
 
 /* when including this file select one part that you need by defining the
-   appropriate CPP define: 
+   appropriate CPP define:
 
    (none): standard define, variable, and function declarations
    ENABLE_OPTCODE: option codes for use in enum e_optcode

xio-tcpwrap.c

@@ -125,7 +125,7 @@ int xio_tcpwrap_check(xiosingle_t *xfd, union sockaddr_union *us,
    if (inet_ntop(us->soa.sa_family,
 #if WITH_IP6
 		 us->soa.sa_family==PF_INET6 ?
-		 (void *)&us->ip6.sin6_addr : 
+		 (void *)&us->ip6.sin6_addr :
 #endif
 		 (void *)&us->ip4.sin_addr,
 		 serveraddr, sizeof(serveraddr)) == NULL) {

xio-udp.c

@@ -520,7 +520,7 @@ int xioopen_udp_recvfrom(int argc, const char *argv[], struct opt *opts,
    {
       union sockaddr_union la;
       socklen_t lalen = sizeof(la);
-     
+
       if (retropt_bind(opts, pf, socktype, ipproto, &la.soa, &lalen, 1,
 		       xfd->stream.para.socket.ip.res_opts[0],
 		       xfd->stream.para.socket.ip.res_opts[1])
@@ -594,7 +594,7 @@ int xioopen_udp_recv(int argc, const char *argv[], struct opt *opts,
    {
       union sockaddr_union la;
       socklen_t lalen = sizeof(la);
-     
+
       if (retropt_bind(opts, pf, socktype, ipproto,
 		       &xfd->stream.para.socket.la.soa, &lalen, 1,
 		       xfd->stream.para.socket.ip.res_opts[0],

xio-unix.c

@@ -17,7 +17,7 @@
 
 /* to avoid unneccessary runtime if () conditionals when no abstract support is
    compiled in (or at least to give optimizing compilers a good chance) we need
-   a constant that can be used in C expressions */ 
+   a constant that can be used in C expressions */
 #if WITH_ABSTRACT_UNIXSOCKET
 #  define ABSTRACT 1
 #else
@@ -589,7 +589,7 @@ static int xioopen_unix_client(int argc, const char *argv[], struct opt *opts, i
       Error2("%s: wrong number of parameters (%d instead of 1)", argv[0], argc-1);
    }
 
-   return 
+   return
       _xioopen_unix_client(&xxfd->stream, xioflags, groups, abstract, opts,
 			   argv[1]);
 }
@@ -600,11 +600,11 @@ static int xioopen_unix_client(int argc, const char *argv[], struct opt *opts, i
    applies and consumes the following option:
    PH_INIT, PH_PASTSOCKET, PH_FD, PH_PREBIND, PH_BIND, PH_PASTBIND,
    PH_CONNECTED, PH_LATE, ?PH_CONNECT
-   OFUNC_OFFSET, 
+   OFUNC_OFFSET,
    OPT_PROTOCOL_FAMILY, OPT_UNIX_TIGHTSOCKLEN, OPT_UNLINK_CLOSE, OPT_BIND,
-   OPT_SO_TYPE, OPT_SO_PROTOTYPE, OPT_CLOEXEC, OPT_USER, OPT_GROUP, ?OPT_FORK, 
+   OPT_SO_TYPE, OPT_SO_PROTOTYPE, OPT_CLOEXEC, OPT_USER, OPT_GROUP, ?OPT_FORK,
 */
-int 
+int
 _xioopen_unix_client(xiosingle_t *xfd, int xioflags, unsigned groups,
 		     int abstract, struct opt *opts, const char *name) {
    const struct opt *namedopt;

xio.h

@@ -132,7 +132,7 @@ struct para_ip {
 } ;
 #endif /* _WITH_IP4 || _WITH_IP6 */
 
-/* a non-dual file descriptor */ 
+/* a non-dual file descriptor */
 typedef struct single {
    enum xiotag tag;	/* see  enum xiotag  */
    const struct addrdesc *addr;
@@ -145,7 +145,7 @@ typedef struct single {
 #endif /* WITH_RETRY */
    bool   ignoreeof;	/* option ignoreeof; do not pass eof condition to app*/
    int    eof;		/* 1..exec'd child has died, but no explicit eof
-			   occurred 
+			   occurred
 			   2..fd0 has reached EOF, but check for ignoreeof
 			   3..fd0 has reached EOF (definitely; never with
 			   ignoreeof! */
@@ -360,7 +360,7 @@ union integral {
 #if HAVE_STRUCT_LINGER
    struct linger  u_linger;
 #endif /* HAVE_STRUCT_LINGER */
-#if HAVE_STRUCT_TIMESPEC	
+#if HAVE_STRUCT_TIMESPEC
    struct timespec u_timespec;
 #endif /* HAVE_STRUCT_TIMESPEC */
 #if HAVE_STRUCT_IP_MREQ || HAVE_STRUCT_IP_MREQN

xioclose.c

@@ -85,7 +85,7 @@ int xioclose1(struct single *pipe) {
    if (pipe->havelock) {
       xiounlock(pipe->lock.lockfile);
       pipe->havelock = false;
-   }      
+   }
    if (pipe->opt_unlink_close && pipe->unlink_close) {
       if (Unlink(pipe->unlink_close) < 0) {
 	 Info2("unlink(\"%s\"): %s", pipe->unlink_close, strerror(errno));

xioexit.c

@@ -11,7 +11,7 @@
 
 
 /* this function closes all open xio sockets on exit, if they are still open.
-   It must be registered with atexit(). */ 
+   It must be registered with atexit(). */
 void xioexit(void) {
    int i;
 

xiohelp.c

@@ -59,7 +59,7 @@ static char *optionphasenames[] = {
 	"PRESOCKET",	"SOCKET",	"PASTSOCKET",
 	"PREBIGEN",	"BIGEN",	"PASTBIGEN",
 	"FD",
-	"PREBIND",	"BIND",		"PASTBIND",	
+	"PREBIND",	"BIND",		"PASTBIND",
 	"PRELISTEN",	"LISTEN",	"PASTLISTEN",
 	"PRECONNECT",	"CONNECT",	"PASTCONNECT",
 	"PREACCEPT",	"ACCEPT",	"PASTACCEPT",

xiolockfile.c

@@ -49,7 +49,7 @@ int xiogetlock(const char *lockfile) {
       Error2("mkstemp(\"%s\"): %s", s, strerror(errno));
       return -1;
    }
-  
+
    pid = Getpid();
    bytes = sprintf(pidbuf, F_pid"\n", pid);
    if (writefull(fd, pidbuf, bytes) < 0) {

xioopen.c

@@ -608,7 +608,7 @@ int xioopen_single(xiofile_t *xfd, int xioflags) {
    xfd->stream.flags     |= (xioflags & XIO_ACCMODE);
    addrdesc = xfd->stream.addr;
    result = (*addrdesc->func)(xfd->stream.argc, xfd->stream.argv,
-			      xfd->stream.opts, xioflags, xfd, 
+			      xfd->stream.opts, xioflags, xfd,
 			      addrdesc->groups, addrdesc->arg1,
 			      addrdesc->arg2, addrdesc->arg3);
    return result;

xioopts.c

@@ -20,37 +20,37 @@ bool xioopts_ignoregroups;
 #if WITH_NAMED
 #  define IF_NAMED(a,b) {a,b},
 #else
-#  define IF_NAMED(a,b) 
+#  define IF_NAMED(a,b)
 #endif
 
 #if WITH_PIPE || WITH_GOPEN
 #  define IF_OPEN(a,b) {a,b},
 #else
-#  define IF_OPEN(a,b) 
+#  define IF_OPEN(a,b)
 #endif
 
 #if WITH_TERMIOS
 #  define IF_TERMIOS(a,b) {a,b},
 #else
-#  define IF_TERMIOS(a,b) 
+#  define IF_TERMIOS(a,b)
 #endif
 
 #if WITH_EXEC
 #  define IF_EXEC(a,b) {a,b},
 #else
-#  define IF_EXEC(a,b) 
+#  define IF_EXEC(a,b)
 #endif
 
 #if _WITH_SOCKET
 #  define IF_SOCKET(a,b) {a,b},
 #else
-#  define IF_SOCKET(a,b) 
+#  define IF_SOCKET(a,b)
 #endif
 
 #if WITH_LISTEN
 #  define IF_LISTEN(a,b) {a,b},
 #else
-#  define IF_LISTEN(a,b) 
+#  define IF_LISTEN(a,b)
 #endif
 
 #if (WITH_UDP || WITH_TCP) && WITH_LISTEN
@@ -62,49 +62,49 @@ bool xioopts_ignoregroups;
 #if WITH_IP4 || WITH_IP6
 #  define IF_IP(a,b) {a,b},
 #else
-#  define IF_IP(a,b) 
+#  define IF_IP(a,b)
 #endif
 
 #if WITH_IP6
 #  define IF_IP6(a,b) {a,b},
 #else
-#  define IF_IP6(a,b) 
+#  define IF_IP6(a,b)
 #endif
 
 #if WITH_TCP|WITH_UDP
 #  define IF_IPAPP(a,b) {a,b},
 #else
-#  define IF_IPAPP(a,b) 
+#  define IF_IPAPP(a,b)
 #endif
 
 #if WITH_TCP
 #  define IF_TCP(a,b) {a,b},
 #else
-#  define IF_TCP(a,b) 
+#  define IF_TCP(a,b)
 #endif
 
 #if WITH_UDP
 #  define IF_UDP(a,b) {a,b},
 #else
-#  define IF_UDP(a,b) 
+#  define IF_UDP(a,b)
 #endif
 
 #if WITH_SCTP
 #  define IF_SCTP(a,b) {a,b},
 #else
-#  define IF_SCTP(a,b) 
+#  define IF_SCTP(a,b)
 #endif
 
 #if WITH_SOCKS4
 #  define IF_SOCKS4(a,b) {a,b},
 #else
-#  define IF_SOCKS4(a,b) 
+#  define IF_SOCKS4(a,b)
 #endif
 
 #if WITH_PROXY
 #  define IF_PROXY(a,b) {a,b},
 #else
-#  define IF_PROXY(a,b) 
+#  define IF_PROXY(a,b)
 #endif
 
 #if WITH_READLINE
@@ -140,7 +140,7 @@ bool xioopts_ignoregroups;
 #if WITH_RETRY
 #  define IF_RETRY(a,b) {a,b},
 #else
-#  define IF_RETRY(a,b) 
+#  define IF_RETRY(a,b)
 #endif
 
 
@@ -1003,7 +1003,7 @@ const struct optname optionnames[] = {
 #ifdef O_NOFOLLOW
 	IF_OPEN   ("nofollow",	&opt_o_nofollow)
 #endif
-	IF_EXEC   ("nofork",	&opt_nofork) 
+	IF_EXEC   ("nofork",	&opt_nofork)
 #ifdef O_NOINHERIT
 	IF_ANY    ("noinherit",		&opt_o_noinherit)
 #endif
@@ -1843,20 +1843,20 @@ const struct optname optionnames[] = {
 } ;
 
 
-/* walks the text argument a and writes its options that conform to groups 
+/* walks the text argument a and writes its options that conform to groups
    to the array opts. Uses the option table 'optionnames'.
-   returns 0 on success, -1 on error, 1 on unknown/wrong option  
+   returns 0 on success, -1 on error, 1 on unknown/wrong option
 */
 int parseopts(const char **a, unsigned int groups, struct opt **opts) {
 
-   return parseopts_table(a, groups, opts, optionnames, 
+   return parseopts_table(a, groups, opts, optionnames,
 			  sizeof(optionnames)/sizeof(struct optname)-1);
 }
 
 
-/* walks the text argument a and writes its options that conform to groups 
+/* walks the text argument a and writes its options that conform to groups
    to the array opts. Uses the specified option table.
-   returns 0 on success, -1 on error, 1 on unknown/wrong option  
+   returns 0 on success, -1 on error, 1 on unknown/wrong option
 */
 int parseopts_table(const char **a, unsigned int groups, struct opt **opts,
 	      const struct optname optionnames[], size_t optionnum) {
@@ -1956,7 +1956,7 @@ int parseopts_table(const char **a, unsigned int groups, struct opt **opts,
 #endif
       }
       (*opts)[i].desc = ent->desc;
-      
+
       if (!strncmp(*a, assign_str, strlen(assign_str))) {
 	 /* there is an assignment (mostly "=") */
 	 (*a) += strlen(assign_str);
@@ -2211,7 +2211,7 @@ int parseopts_table(const char **a, unsigned int groups, struct opt **opts,
 
 #if LATER
       case TYPE_INT3:
-	 
+
 	 break;
 #endif
 
@@ -2525,7 +2525,7 @@ int parseopts_table(const char **a, unsigned int groups, struct opt **opts,
 	    *buffp++ = '\0';
 	    (*opts)[i].value.u_ip_mreq.param2 = strdup(buff); /*!!! NULL */
 
-#if HAVE_STRUCT_IP_MREQN	    
+#if HAVE_STRUCT_IP_MREQN
 	    if (*tokp++ == ':') {
 	       strncpy((*opts)[i].value.u_ip_mreq.ifindex, tokp, IF_NAMESIZE);	/* ok */
 	       Info4("setting option \"%s\" to {\"%s\",\"%s\",\"%s\"}",
@@ -2605,7 +2605,7 @@ int parseopts_table(const char **a, unsigned int groups, struct opt **opts,
 	       Error("!!!");
 	    }
 	    //(*opts)[i].value.u_bin.b_len
-	 }	 
+	 }
 	 break;
 #endif /* LATER */
 
@@ -2758,7 +2758,7 @@ int showleft(const struct opt *opts) {
 /* does not set GROUP_FD; cannot determine GROUP_TERMIOS ! */
 int _groupbits(mode_t mode) {
    unsigned int result = 0;
-  
+
    switch ((mode&S_IFMT)>>12) {
    case (S_IFIFO>>12):	/* 1, FIFO */
       result = GROUP_FIFO;   break;
@@ -2851,8 +2851,8 @@ int retropt_timespec(struct opt *opts, int optcode, struct timespec *result) {
    opt->desc = ODESC_DONE;
    return 0;
 }
-      
+
-   
+
 /* Looks for the first option of type <optcode>. If the option is found,
    this function stores its bool value in *result, "consumes" the
    option, and returns 0.
@@ -3135,7 +3135,7 @@ int retropt_bind(struct opt *opts,
 	  != STAT_OK) {
 	 Error("error resolving bind option");
 	 return STAT_NORETRY;
-      }	   
+      }
       break;
 #endif /* WITH_IP4 || WITH_IP6 */
 
@@ -3485,7 +3485,7 @@ int applyopts(int fd, struct opt *opts, enum e_phase phase) {
 		   opt->desc->type);
 	 }
 #endif /* _WITH_SOCKET */
-	 
+
 #if HAVE_FLOCK
       } else if (opt->desc->func == OFUNC_FLOCK) {
 	 if (Flock(fd, opt->desc->major) < 0) {
@@ -3537,7 +3537,7 @@ int applyopts(int fd, struct opt *opts, enum e_phase phase) {
 	       opt->desc = ODESC_ERROR; ++opt; continue;
 	    }
 #endif /* HAVE_FTRUNCATE64 */
-	    break; 
+	    break;
 	 case OPT_F_SETLK_RD:
 	 case OPT_F_SETLK_WR:
 	 case OPT_F_SETLKW_RD:
@@ -3554,7 +3554,7 @@ int applyopts(int fd, struct opt *opts, enum e_phase phase) {
 		  opt->desc = ODESC_ERROR; ++opt; continue;
 	       }
 	    }
-	    break; 
+	    break;
 	 case OPT_SETUID_EARLY:
 	 case OPT_SETUID:
 	    if (Setuid(opt->value.u_uidt) < 0) {
@@ -3666,7 +3666,7 @@ int applyopts(int fd, struct opt *opts, enum e_phase phase) {
 	       } else {
 		  if (Setsid() < 0) {
 		     Error1("setsid(): %s", strerror(errno));
-		  }		  
+		  }
 	       }
 	    }
 	    break;
@@ -3807,7 +3807,7 @@ int applyopts_flags(struct opt *opts, int group, flags_t *result) {
    if (!opts)  return 0;
 
    while (opt->desc != ODESC_END) {
-      if (opt->desc != ODESC_DONE && 
+      if (opt->desc != ODESC_DONE &&
 	  (opt->desc->group & group)) {
 	 if (opt->desc->func == OFUNC_FLAG) {
 	    if (opt->value.u_bool) {
@@ -3984,7 +3984,7 @@ int applyopts_single(struct single *xfd, struct opt *opts, enum e_phase phase) {
 	 }
 	 xfd->havelock = true;
 	 break;
-	 
+
       default:
 	 /* just store the value in the correct component of struct single */
 	 if (opt->desc->type == TYPE_CONST) {
@@ -4069,7 +4069,7 @@ mc:addr
 		  if (ifindex(opt->value.u_ip_mreq.ifindex,
 			      (unsigned int *)&ip4_mreqn.mreqn.imr_ifindex, -1)
 		      < 0) {
-		     Error1("cannot resolve interface \"%s\"", 
+		     Error1("cannot resolve interface \"%s\"",
 			    opt->value.u_ip_mreq.ifindex);
 		  }
 #endif /* HAVE_STRUCT_IP_MREQN */
@@ -4095,7 +4095,7 @@ mc:addr
 		     ip4_mreqn.mreq.imr_interface = sockaddr2.ip4.sin_addr;
 		  }
 	       }
-			
+
 #if LATER
 	       if (0) {
 		  ; /* for canonical reasons */

xioopts.h

@@ -120,10 +120,10 @@ enum e_func {
 
 /* for simpler handling of option-to-connection-type relations we define
    groups. to keep the search for options simple, we allow each option to
-   belong to at most one group only. (we have a dummy GROUP_NONE for those 
+   belong to at most one group only. (we have a dummy GROUP_NONE for those
    that don't want to belong to any...)
    The caller of parseopts() specifies per bitpatter a set of groups where it
-   accepts options from. 
+   accepts options from.
 */
 
 /*- the group bits are:

xioparam.c

@@ -47,7 +47,7 @@ int xiosetopt(char what, const char *arg) {
 	     what, arg?arg:"NULL");
       return -1;
    }
-   return 0;   
+   return 0;
 }
 
 
@@ -64,5 +64,5 @@ int xioinqopt(char what, char *arg, size_t n) {
 	     what, arg, n);
       return -1;
    }
-   return 0;   
+   return 0;
 }

xioread.c

@@ -12,7 +12,7 @@
 #include "xio-readline.h"
 #include "xio-openssl.h"
 
- 
+
 /* xioread() performs read() or recvfrom()
    If result is < 0, errno is valid */
 ssize_t xioread(xiofile_t *file, void *buff, size_t bufsiz) {
@@ -97,7 +97,7 @@ ssize_t xioread(xiofile_t *file, void *buff, size_t bufsiz) {
    case XIOREAD_READLINE:
       if ((bytes = xioread_readline(pipe, buff, bufsiz)) < 0) {
 	 return -1;
-      }      
+      }
       break;
 #endif /* WITH_READLINE */
 
@@ -163,7 +163,7 @@ ssize_t xioread(xiofile_t *file, void *buff, size_t bufsiz) {
 	 }
       }
 #endif /* defined(PF_PACKET) && defined(PACKET_OUTGOING) */
-	    
+
       Notice2("received packet with "F_Zu" bytes from %s",
 	      bytes,
 	      sockaddr_info(&from.soa, fromlen, infobuff, sizeof(infobuff)));

xioshutdown.c

@@ -84,9 +84,9 @@ int xioshutdown(xiofile_t *sock, int how) {
 	 if (Close(sock->stream.para.bipipe.fdout) < 0) {
 	    Info2("close(%d): %s",
 		  sock->stream.para.bipipe.fdout, strerror(errno));
-	 } 
+	 }
       }
-      
+
    } else if ((sock->stream.dtype & XIODATA_MASK) == XIODATA_2PIPE) {
       if ((how+1)&1) {
 	 if (Close(sock->stream.fd) < 0) {
@@ -98,7 +98,7 @@ int xioshutdown(xiofile_t *sock, int how) {
 	 if (Close(sock->stream.para.exec.fdout) < 0) {
 	    Info2("close(%d): %s",
 		  sock->stream.para.exec.fdout, strerror(errno));
-	 } 
+	 }
       }
 #if _WITH_SOCKET
    } else if (sock->stream.howtoend == END_SHUTDOWN) {

xiosignal.c

@@ -79,7 +79,7 @@ void socatsignalpass(int sig) {
 }
 
 
-/* register the sub process pid for passing of signals of type signum. 
+/* register the sub process pid for passing of signals of type signum.
    Only for SIGHUP, SIGINT, and SIGQUIT!
    returns 0 on success or <0 if an error occurred */
 int xio_opt_signal(pid_t pid, int signum) {

xiowrite.c

@@ -86,7 +86,7 @@ ssize_t xiowrite(xiofile_t *file, const void *buff, size_t bytes) {
 	 char infobuff[256];
 	 _errno = errno;
 	 Error6("sendto(%d, %p, "F_Zu", 0, %s, "F_socklen"): %s",
-		pipe->fd, buff, bytes, 
+		pipe->fd, buff, bytes,
 		sockaddr_info(&pipe->peersa.soa, pipe->salen,
 			      infobuff, sizeof(infobuff)),
 		pipe->salen, strerror(_errno));
@@ -96,7 +96,7 @@ ssize_t xiowrite(xiofile_t *file, const void *buff, size_t bytes) {
       if ((size_t)writt < bytes) {
 	 char infobuff[256];
 	 Warn7("sendto(%d, %p, "F_Zu", 0, %s, "F_socklen") only wrote "F_Zu" of "F_Zu" bytes",
-	       pipe->fd, buff, bytes, 
+	       pipe->fd, buff, bytes,
 	       sockaddr_info(&pipe->peersa.soa, pipe->salen,
 			     infobuff, sizeof(infobuff)),
 	       pipe->salen, writt, bytes);