mirror of https://github.com/neutrinolabs/xrdp
1293 lines
25 KiB
C
1293 lines
25 KiB
C
/*
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Copyright (c) 2004-2006 Jay Sorg
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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generic operating system calls
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put all the os / arch define in here you want
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*/
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#if defined(_WIN32)
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#include <windows.h>
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#include <winsock.h>
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#else
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/* fix for solaris 10 with gcc 3.3.2 problem */
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#if defined(sun) || defined(__sun)
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#define ctid_t id_t
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#endif
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#include <unistd.h>
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#include <errno.h>
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#include <netinet/in.h>
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#include <netinet/tcp.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sys/stat.h>
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#include <dlfcn.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#include <signal.h>
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#include <fcntl.h>
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#include <pwd.h>
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#include <time.h>
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#include <grp.h>
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#endif
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include "os_calls.h"
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#include "arch.h"
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/* for clearenv() */
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#if defined(_WIN32)
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#else
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extern char** environ;
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#endif
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/* for solaris */
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#if !defined(PF_LOCAL)
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#define PF_LOCAL AF_UNIX
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#endif
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#if !defined(INADDR_NONE)
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#define INADDR_NONE ((unsigned long)-1)
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#endif
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/*****************************************************************************/
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/* allocate memory, returns a pointer to it, size bytes are allocated,
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if zero is non zero, each byte will be set to zero */
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void*
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g_malloc(int size, int zero)
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{
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char* rv;
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rv = (char*)malloc(size);
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if (zero)
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{
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memset(rv, 0, size);
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}
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return rv;
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}
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/*****************************************************************************/
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/* free the memory pointed to by ptr, ptr can be zero */
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void
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g_free(void* ptr)
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{
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if (ptr != 0)
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{
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free(ptr);
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}
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}
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/*****************************************************************************/
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/* output text to stdout, try to use g_write / g_writeln instead to avoid
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linux / windows EOL problems */
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void
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g_printf(const char* format, ...)
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{
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va_list ap;
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va_start(ap, format);
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vfprintf(stdout, format, ap);
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va_end(ap);
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}
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/*****************************************************************************/
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void
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g_sprintf(char* dest, const char* format, ...)
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{
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va_list ap;
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va_start(ap, format);
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vsprintf(dest, format, ap);
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va_end(ap);
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}
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/*****************************************************************************/
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void
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g_snprintf(char* dest, int len, const char* format, ...)
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{
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va_list ap;
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va_start(ap, format);
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vsnprintf(dest, len, format, ap);
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va_end(ap);
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}
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/*****************************************************************************/
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void
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g_writeln(const char* format, ...)
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{
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va_list ap;
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va_start(ap, format);
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vfprintf(stdout, format, ap);
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va_end(ap);
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#if defined(_WIN32)
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g_printf("\r\n");
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#else
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g_printf("\n");
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#endif
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}
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/*****************************************************************************/
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void
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g_write(const char* format, ...)
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{
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va_list ap;
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va_start(ap, format);
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vfprintf(stdout, format, ap);
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va_end(ap);
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}
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/*****************************************************************************/
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/* produce a hex dump */
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void
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g_hexdump(char* p, int len)
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{
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unsigned char* line;
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int i;
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int thisline;
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int offset;
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line = (unsigned char*)p;
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offset = 0;
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while (offset < len)
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{
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g_printf("%04x ", offset);
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thisline = len - offset;
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if (thisline > 16)
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{
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thisline = 16;
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}
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for (i = 0; i < thisline; i++)
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{
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g_printf("%02x ", line[i]);
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}
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for (; i < 16; i++)
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{
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g_printf(" ");
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}
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for (i = 0; i < thisline; i++)
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{
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g_printf("%c", (line[i] >= 0x20 && line[i] < 0x7f) ? line[i] : '.');
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}
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g_printf("\r\n");
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offset += thisline;
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line += thisline;
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}
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}
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/*****************************************************************************/
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void
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g_memset(void* ptr, int val, int size)
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{
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memset(ptr, val, size);
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}
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/*****************************************************************************/
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void
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g_memcpy(void* d_ptr, const void* s_ptr, int size)
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{
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memcpy(d_ptr, s_ptr, size);
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}
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/*****************************************************************************/
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int
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g_getchar(void)
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{
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return getchar();
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}
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/*****************************************************************************/
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int
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g_tcp_set_no_delay(int sck)
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{
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int i;
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i = 1;
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#if defined(_WIN32)
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setsockopt(sck, IPPROTO_TCP, TCP_NODELAY, (char*)&i, sizeof(i));
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#else
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setsockopt(sck, IPPROTO_TCP, TCP_NODELAY, (void*)&i, sizeof(i));
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#endif
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return 0;
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}
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/*****************************************************************************/
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int
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g_tcp_socket(void)
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{
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int rv;
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int i;
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rv = socket(PF_INET, SOCK_STREAM, 0);
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#if defined(_WIN32)
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i = 1;
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setsockopt(rv, IPPROTO_TCP, TCP_NODELAY, (char*)&i, sizeof(i));
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i = 1;
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setsockopt(rv, SOL_SOCKET, SO_REUSEADDR, (char*)&i, sizeof(i));
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i = 8192 * 2;
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setsockopt(rv, SOL_SOCKET, SO_SNDBUF, (char*)&i, sizeof(i));
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#else
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i = 1;
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setsockopt(rv, IPPROTO_TCP, TCP_NODELAY, (void*)&i, sizeof(i));
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i = 1;
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setsockopt(rv, SOL_SOCKET, SO_REUSEADDR, (void*)&i, sizeof(i));
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i = 8192 * 2;
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setsockopt(rv, SOL_SOCKET, SO_SNDBUF, (void*)&i, sizeof(i));
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#endif
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return rv;
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}
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/*****************************************************************************/
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int
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g_tcp_local_socket(void)
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{
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#if defined(_WIN32)
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return 0;
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#else
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return socket(PF_LOCAL, SOCK_STREAM, 0);
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#endif
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}
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/*****************************************************************************/
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void
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g_tcp_close(int sck)
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{
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if (sck == 0)
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{
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return;
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}
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shutdown(sck, 2);
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#if defined(_WIN32)
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closesocket(sck);
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#else
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close(sck);
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#endif
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}
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/*****************************************************************************/
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int
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g_tcp_connect(int sck, const char* address, const char* port)
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{
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struct sockaddr_in s;
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struct hostent* h;
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g_memset(&s, 0, sizeof(struct sockaddr_in));
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s.sin_family = AF_INET;
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s.sin_port = htons(atoi(port));
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s.sin_addr.s_addr = inet_addr(address);
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if (s.sin_addr.s_addr == INADDR_NONE)
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{
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h = gethostbyname(address);
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if (h != 0)
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{
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if (h->h_name != 0)
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{
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if (h->h_addr_list != 0)
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{
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if ((*(h->h_addr_list)) != 0)
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{
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s.sin_addr.s_addr = *((int*)(*(h->h_addr_list)));
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}
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}
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}
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}
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}
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return connect(sck, (struct sockaddr*)&s, sizeof(struct sockaddr_in));
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}
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/*****************************************************************************/
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int
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g_tcp_set_non_blocking(int sck)
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{
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unsigned long i;
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#if defined(_WIN32)
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i = 1;
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ioctlsocket(sck, FIONBIO, &i);
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#else
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i = fcntl(sck, F_GETFL);
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i = i | O_NONBLOCK;
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fcntl(sck, F_SETFL, i);
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#endif
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return 0;
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}
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/*****************************************************************************/
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int
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g_tcp_bind(int sck, char* port)
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{
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struct sockaddr_in s;
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memset(&s, 0, sizeof(struct sockaddr_in));
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s.sin_family = AF_INET;
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s.sin_port = htons(atoi(port));
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s.sin_addr.s_addr = INADDR_ANY;
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return bind(sck, (struct sockaddr*)&s, sizeof(struct sockaddr_in));
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}
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/*****************************************************************************/
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int
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g_tcp_local_bind(int sck, char* port)
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{
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#if defined(_WIN32)
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return -1;
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#else
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struct sockaddr_un s;
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memset(&s, 0, sizeof(struct sockaddr_un));
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s.sun_family = AF_UNIX;
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strcpy(s.sun_path, port);
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return bind(sck, (struct sockaddr*)&s, sizeof(struct sockaddr_un));
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#endif
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}
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/*****************************************************************************/
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int
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g_tcp_listen(int sck)
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{
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return listen(sck, 2);
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}
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/*****************************************************************************/
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int
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g_tcp_accept(int sck)
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{
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struct sockaddr_in s;
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#if defined(_WIN32)
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signed int i;
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#else
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unsigned int i;
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#endif
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i = sizeof(struct sockaddr_in);
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memset(&s, 0, i);
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return accept(sck, (struct sockaddr*)&s, &i);
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}
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/*****************************************************************************/
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void
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g_sleep(int msecs)
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{
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#if defined(_WIN32)
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Sleep(msecs);
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#else
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usleep(msecs * 1000);
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#endif
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}
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/*****************************************************************************/
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int
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g_tcp_last_error_would_block(int sck)
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{
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#if defined(_WIN32)
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return WSAGetLastError() == WSAEWOULDBLOCK;
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#else
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return errno == EWOULDBLOCK;
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#endif
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}
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/*****************************************************************************/
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int
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g_tcp_recv(int sck, void* ptr, int len, int flags)
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{
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#if defined(_WIN32)
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return recv(sck, (char*)ptr, len, flags);
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#else
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return recv(sck, ptr, len, flags);
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#endif
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}
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/*****************************************************************************/
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int
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g_tcp_send(int sck, const void* ptr, int len, int flags)
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{
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#if defined(_WIN32)
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return send(sck, (const char*)ptr, len, flags);
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#else
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return send(sck, ptr, len, flags);
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#endif
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}
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/*****************************************************************************/
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int
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g_tcp_select(int sck1, int sck2)
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{
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fd_set rfds;
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struct timeval time;
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int max;
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int rv;
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time.tv_sec = 0;
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time.tv_usec = 0;
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FD_ZERO(&rfds);
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if (sck1 > 0)
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{
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FD_SET(((unsigned int)sck1), &rfds);
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}
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if (sck2 > 0)
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{
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FD_SET(((unsigned int)sck2), &rfds);
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}
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max = sck1;
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if (sck2 > max)
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{
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max = sck2;
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}
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rv = select(max + 1, &rfds, 0, 0, &time);
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if (rv > 0)
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{
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rv = 0;
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if (FD_ISSET(((unsigned int)sck1), &rfds))
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{
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rv = rv | 1;
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}
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if (FD_ISSET(((unsigned int)sck2), &rfds))
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{
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rv = rv | 2;
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}
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}
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else
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{
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rv = 0;
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}
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return rv;
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}
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/*****************************************************************************/
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void
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g_random(char* data, int len)
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{
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#if defined(_WIN32)
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memset(data, 0x44, len);
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#else
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int fd;
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memset(data, 0x44, len);
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fd = open("/dev/urandom", O_RDONLY);
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if (fd == -1)
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{
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fd = open("/dev/random", O_RDONLY);
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}
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if (fd != -1)
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{
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read(fd, data, len);
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close(fd);
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}
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#endif
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}
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/*****************************************************************************/
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int
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g_abs(int i)
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{
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return abs(i);
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}
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/*****************************************************************************/
|
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int
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g_memcmp(const void* s1, const void* s2, int len)
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|
{
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return memcmp(s1, s2, len);
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}
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|
|
/*****************************************************************************/
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|
/* returns -1 on error, else return handle or file descriptor */
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|
int
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g_file_open(const char* file_name)
|
|
{
|
|
#if defined(_WIN32)
|
|
return (int)CreateFile(file_name, GENERIC_READ | GENERIC_WRITE,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE,
|
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0, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);
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|
#else
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|
int rv;
|
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rv = open(file_name, O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
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if (rv == -1)
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|
{
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|
/* can't open read / write, try to open read only */
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rv = open(file_name, O_RDONLY);
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}
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return rv;
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|
#endif
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|
}
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|
|
|
/*****************************************************************************/
|
|
/* returns error, always 0 */
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|
int
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g_file_close(int fd)
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|
{
|
|
#if defined(_WIN32)
|
|
CloseHandle((HANDLE)fd);
|
|
#else
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|
close(fd);
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|
#endif
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|
return 0;
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|
}
|
|
|
|
/*****************************************************************************/
|
|
/* read from file, returns the number of bytes read or -1 on error */
|
|
int
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|
g_file_read(int fd, char* ptr, int len)
|
|
{
|
|
#if defined(_WIN32)
|
|
if (ReadFile((HANDLE)fd, (LPVOID)ptr, (DWORD)len, (LPDWORD)&len, 0))
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|
{
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|
return len;
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|
}
|
|
else
|
|
{
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|
return -1;
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|
}
|
|
#else
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|
return read(fd, ptr, len);
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#endif
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|
}
|
|
|
|
/*****************************************************************************/
|
|
/* write to file, returns the number of bytes writen or -1 on error */
|
|
int
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g_file_write(int fd, char* ptr, int len)
|
|
{
|
|
#if defined(_WIN32)
|
|
if (WriteFile((HANDLE)fd, (LPVOID)ptr, (DWORD)len, (LPDWORD)&len, 0))
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|
{
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|
return len;
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|
}
|
|
else
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|
{
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|
return -1;
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|
}
|
|
#else
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|
return write(fd, ptr, len);
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|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* move file pointer, returns offset on success, -1 on failure */
|
|
int
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|
g_file_seek(int fd, int offset)
|
|
{
|
|
#if defined(_WIN32)
|
|
int rv;
|
|
|
|
rv = (int)SetFilePointer((HANDLE)fd, offset, 0, FILE_BEGIN);
|
|
if (rv == (int)INVALID_SET_FILE_POINTER)
|
|
{
|
|
return -1;
|
|
}
|
|
else
|
|
{
|
|
return rv;
|
|
}
|
|
#else
|
|
return (int)lseek(fd, offset, SEEK_SET);
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* do a write lock on a file */
|
|
/* return boolean */
|
|
int
|
|
g_file_lock(int fd, int start, int len)
|
|
{
|
|
#if defined(_WIN32)
|
|
return LockFile((HANDLE)fd, start, 0, len, 0);
|
|
#else
|
|
struct flock lock;
|
|
|
|
lock.l_type = F_WRLCK;
|
|
lock.l_whence = SEEK_SET;
|
|
lock.l_start = start;
|
|
lock.l_len = len;
|
|
if (fcntl(fd, F_SETLK, &lock) == -1)
|
|
{
|
|
return 0;
|
|
}
|
|
return 1;
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns error, always zero */
|
|
int
|
|
g_set_file_rights(const char* filename, int read, int write)
|
|
{
|
|
#if defined(_WIN32)
|
|
return 0;
|
|
#else
|
|
int flags;
|
|
|
|
flags = read ? S_IRUSR : 0;
|
|
flags |= write ? S_IWUSR : 0;
|
|
chmod(filename, flags);
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns error */
|
|
int
|
|
g_chmod_hex(const char* filename, int flags)
|
|
{
|
|
#if defined(_WIN32)
|
|
return 0;
|
|
#else
|
|
int fl;
|
|
|
|
fl = 0;
|
|
fl |= (flags & 0x4000) ? S_ISUID : 0;
|
|
fl |= (flags & 0x2000) ? S_ISGID : 0;
|
|
fl |= (flags & 0x1000) ? S_ISVTX : 0;
|
|
fl |= (flags & 0x0400) ? S_IRUSR : 0;
|
|
fl |= (flags & 0x0200) ? S_IWUSR : 0;
|
|
fl |= (flags & 0x0100) ? S_IXUSR : 0;
|
|
fl |= (flags & 0x0040) ? S_IRGRP : 0;
|
|
fl |= (flags & 0x0020) ? S_IWGRP : 0;
|
|
fl |= (flags & 0x0010) ? S_IXGRP : 0;
|
|
fl |= (flags & 0x0004) ? S_IROTH : 0;
|
|
fl |= (flags & 0x0002) ? S_IWOTH : 0;
|
|
fl |= (flags & 0x0001) ? S_IXOTH : 0;
|
|
return chmod(filename, fl);
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns error, always zero */
|
|
int
|
|
g_mkdir(const char* dirname)
|
|
{
|
|
#if defined(_WIN32)
|
|
return 0;
|
|
#else
|
|
mkdir(dirname, S_IRWXU);
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* gets the current working directory and puts up to maxlen chars in
|
|
dirname
|
|
always returns 0 */
|
|
char*
|
|
g_get_current_dir(char* dirname, int maxlen)
|
|
{
|
|
#if defined(_WIN32)
|
|
GetCurrentDirectory(maxlen, dirname);
|
|
return 0;
|
|
#else
|
|
getcwd(dirname, maxlen);
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns error, zero on success and -1 on failure */
|
|
int
|
|
g_set_current_dir(char* dirname)
|
|
{
|
|
#if defined(_WIN32)
|
|
if (SetCurrentDirectory(dirname))
|
|
{
|
|
return 0;
|
|
}
|
|
else
|
|
{
|
|
return -1;
|
|
}
|
|
#else
|
|
return chdir(dirname);
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns boolean, non zero if the file exists */
|
|
int
|
|
g_file_exist(const char* filename)
|
|
{
|
|
#if defined(_WIN32)
|
|
return 0; // use FileAge(filename) <> -1
|
|
#else
|
|
return access(filename, F_OK) == 0;
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns boolean, non zero if the directory exists */
|
|
int
|
|
g_directory_exist(const char* dirname)
|
|
{
|
|
#if defined(_WIN32)
|
|
return 0; // use GetFileAttributes and check return value
|
|
// is not -1 and FILE_ATTRIBUT_DIRECTORY bit is set
|
|
#else
|
|
struct stat st;
|
|
|
|
if (stat(dirname, &st) == 0)
|
|
{
|
|
return S_ISDIR(st.st_mode);
|
|
}
|
|
else
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns boolean */
|
|
int
|
|
g_create_dir(const char* dirname)
|
|
{
|
|
#if defined(_WIN32)
|
|
return CreateDirectory(dirname, 0); // test this
|
|
#else
|
|
return mkdir(dirname, (mode_t)-1) == 0;
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns boolean */
|
|
int
|
|
g_remove_dir(const char* dirname)
|
|
{
|
|
#if defined(_WIN32)
|
|
return RemoveDirectory(dirname); // test this
|
|
#else
|
|
return rmdir(dirname) == 0;
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns non zero if the file was deleted */
|
|
int
|
|
g_file_delete(const char* filename)
|
|
{
|
|
#if defined(_WIN32)
|
|
return DeleteFile(filename);
|
|
#else
|
|
return unlink(filename) != -1;
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns length of text */
|
|
int
|
|
g_strlen(const char* text)
|
|
{
|
|
if (text == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
return strlen(text);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns dest */
|
|
char*
|
|
g_strcpy(char* dest, const char* src)
|
|
{
|
|
if (src == 0 && dest != 0)
|
|
{
|
|
dest[0] = 0;
|
|
return dest;
|
|
}
|
|
if (dest == 0 || src == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
return strcpy(dest, src);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns dest */
|
|
char*
|
|
g_strncpy(char* dest, const char* src, int len)
|
|
{
|
|
char* rv;
|
|
|
|
if (src == 0 && dest != 0)
|
|
{
|
|
dest[0] = 0;
|
|
return dest;
|
|
}
|
|
if (dest == 0 || src == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
rv = strncpy(dest, src, len);
|
|
dest[len] = 0;
|
|
return rv;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns dest */
|
|
char*
|
|
g_strcat(char* dest, const char* src)
|
|
{
|
|
if (dest == 0 || src == 0)
|
|
{
|
|
return dest;
|
|
}
|
|
return strcat(dest, src);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* if in = 0, return 0 else return newly alloced copy of in */
|
|
char*
|
|
g_strdup(const char* in)
|
|
{
|
|
int len;
|
|
char* p;
|
|
|
|
if (in == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
len = g_strlen(in);
|
|
p = (char*)g_malloc(len + 1, 0);
|
|
g_strcpy(p, in);
|
|
return p;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int
|
|
g_strcmp(const char* c1, const char* c2)
|
|
{
|
|
return strcmp(c1, c2);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int
|
|
g_strncmp(const char* c1, const char* c2, int len)
|
|
{
|
|
return strncmp(c1, c2, len);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int
|
|
g_strcasecmp(const char* c1, const char* c2)
|
|
{
|
|
#if defined(_WIN32)
|
|
return stricmp(c1, c2);
|
|
#else
|
|
return strcasecmp(c1, c2);
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int
|
|
g_strncasecmp(const char* c1, const char* c2, int len)
|
|
{
|
|
#if defined(_WIN32)
|
|
return strnicmp(c1, c2, len);
|
|
#else
|
|
return strncasecmp(c1, c2, len);
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int
|
|
g_atoi(char* str)
|
|
{
|
|
return atoi(str);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int
|
|
g_pos(char* str, const char* to_find)
|
|
{
|
|
char* pp;
|
|
|
|
pp = strstr(str, to_find);
|
|
if (pp == 0)
|
|
{
|
|
return -1;
|
|
}
|
|
return (pp - str);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
long
|
|
g_load_library(char* in)
|
|
{
|
|
#if defined(_WIN32)
|
|
return (long)LoadLibrary(in);
|
|
#else
|
|
return (long)dlopen(in, RTLD_LOCAL | RTLD_LAZY);
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int
|
|
g_free_library(long lib)
|
|
{
|
|
if (lib == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
#if defined(_WIN32)
|
|
return FreeLibrary((HMODULE)lib);
|
|
#else
|
|
return dlclose((void*)lib);
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns NULL if not found */
|
|
void*
|
|
g_get_proc_address(long lib, const char* name)
|
|
{
|
|
if (lib == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
#if defined(_WIN32)
|
|
return GetProcAddress((HMODULE)lib, name);
|
|
#else
|
|
return dlsym((void*)lib, name);
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int
|
|
g_system(char* aexec)
|
|
{
|
|
#if defined(_WIN32)
|
|
return 0;
|
|
#else
|
|
return system(aexec);
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
char*
|
|
g_get_strerror(void)
|
|
{
|
|
#if defined(_WIN32)
|
|
return 0;
|
|
#else
|
|
return strerror(errno);
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int
|
|
g_execvp(const char* p1, char* args[])
|
|
{
|
|
#if defined(_WIN32)
|
|
return 0;
|
|
#else
|
|
return execvp(p1, args);
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int
|
|
g_execlp3(const char* a1, const char* a2, const char* a3)
|
|
{
|
|
#if defined(_WIN32)
|
|
return 0;
|
|
#else
|
|
return execlp(a1, a2, a3, (void*)0);
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
void
|
|
g_signal(int sig_num, void (*func)(int))
|
|
{
|
|
#if defined(_WIN32)
|
|
#else
|
|
signal(sig_num, func);
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
void
|
|
g_signal_child_stop(void (*func)(int))
|
|
{
|
|
#if defined(_WIN32)
|
|
#else
|
|
signal(SIGCHLD, func);
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
void
|
|
g_unset_signals(void)
|
|
{
|
|
#if defined(_WIN32)
|
|
#else
|
|
sigset_t mask;
|
|
|
|
sigemptyset(&mask);
|
|
sigprocmask(SIG_SETMASK, &mask, NULL);
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int
|
|
g_fork(void)
|
|
{
|
|
#if defined(_WIN32)
|
|
return 0;
|
|
#else
|
|
return fork();
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int
|
|
g_setgid(int pid)
|
|
{
|
|
#if defined(_WIN32)
|
|
return 0;
|
|
#else
|
|
return setgid(pid);
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns error, zero is success, non zero is error */
|
|
int
|
|
g_initgroups(const char* user, int gid)
|
|
{
|
|
#if defined(_WIN32)
|
|
return 0;
|
|
#else
|
|
return initgroups(user ,gid);
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int
|
|
g_setuid(int pid)
|
|
{
|
|
#if defined(_WIN32)
|
|
return 0;
|
|
#else
|
|
return setuid(pid);
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int
|
|
g_waitchild(void)
|
|
{
|
|
#if defined(_WIN32)
|
|
return 0;
|
|
#else
|
|
int wstat;
|
|
|
|
return waitpid(0, &wstat, WNOHANG);
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int
|
|
g_waitpid(int pid)
|
|
{
|
|
#if defined(_WIN32)
|
|
return 0;
|
|
#else
|
|
return waitpid(pid, 0, 0);
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
void
|
|
g_clearenv(void)
|
|
{
|
|
#if defined(_WIN32)
|
|
#else
|
|
environ = 0;
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int
|
|
g_setenv(const char* name, const char* value, int rewrite)
|
|
{
|
|
#if defined(_WIN32)
|
|
return 0;
|
|
#else
|
|
return setenv(name, value, rewrite);
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
char*
|
|
g_getenv(const char* name)
|
|
{
|
|
#if defined(_WIN32)
|
|
return 0;
|
|
#else
|
|
return getenv(name);
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int
|
|
g_exit(int exit_code)
|
|
{
|
|
_exit(exit_code);
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int
|
|
g_getpid(void)
|
|
{
|
|
#if defined(_WIN32)
|
|
return 0;
|
|
#else
|
|
return getpid();
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int
|
|
g_sigterm(int pid)
|
|
{
|
|
#if defined(_WIN32)
|
|
return 0;
|
|
#else
|
|
return kill(pid, SIGTERM);
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns 0 if ok */
|
|
int
|
|
g_getuser_info(const char* username, int* gid, int* uid, char* shell,
|
|
char* dir, char* gecos)
|
|
{
|
|
#if defined(_WIN32)
|
|
return 1;
|
|
#else
|
|
struct passwd* pwd_1;
|
|
|
|
pwd_1 = getpwnam(username);
|
|
if (pwd_1 != 0)
|
|
{
|
|
if (gid != 0)
|
|
{
|
|
*gid = pwd_1->pw_gid;
|
|
}
|
|
if (uid != 0)
|
|
{
|
|
*uid = pwd_1->pw_uid;
|
|
}
|
|
if (dir != 0)
|
|
{
|
|
g_strcpy(dir, pwd_1->pw_dir);
|
|
}
|
|
if (shell != 0)
|
|
{
|
|
g_strcpy(shell, pwd_1->pw_shell);
|
|
}
|
|
if (gecos != 0)
|
|
{
|
|
g_strcpy(gecos, pwd_1->pw_gecos);
|
|
}
|
|
return 0;
|
|
}
|
|
return 1;
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns 0 if ok */
|
|
int
|
|
g_getgroup_info(const char* groupname, int* gid)
|
|
{
|
|
#if defined(_WIN32)
|
|
return 1;
|
|
#else
|
|
struct group* g;
|
|
|
|
g = getgrnam(groupname);
|
|
if (g != 0)
|
|
{
|
|
if (gid != 0)
|
|
{
|
|
*gid = g->gr_gid;
|
|
}
|
|
return 0;
|
|
}
|
|
return 1;
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns error */
|
|
/* if zero is returned, then ok is set */
|
|
int
|
|
g_check_user_in_group(const char* username, int gid, int* ok)
|
|
{
|
|
#if defined(_WIN32)
|
|
return 1;
|
|
#else
|
|
struct group* groups;
|
|
int i;
|
|
|
|
groups = getgrgid(gid);
|
|
if (groups == 0)
|
|
{
|
|
return 1;
|
|
}
|
|
*ok = 0;
|
|
i = 0;
|
|
while (0 != groups->gr_mem[i])
|
|
{
|
|
if (0 == g_strcmp(groups->gr_mem[i], username))
|
|
{
|
|
*ok = 1;
|
|
break;
|
|
}
|
|
i++;
|
|
}
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns the time since the Epoch (00:00:00 UTC, January 1, 1970),
|
|
measured in seconds. */
|
|
int
|
|
g_time1(void)
|
|
{
|
|
#if defined(_WIN32)
|
|
return GetTickCount() / 1000;
|
|
#else
|
|
return time(0);
|
|
#endif
|
|
}
|