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curl/src/tool_main.c

125 lines
3.4 KiB
C

/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "tool_setup.h"
#include <sys/stat.h>
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
#define ENABLE_CURLX_PRINTF
/* use our own printf() functions */
#include "curlx.h"
#include "tool_cfgable.h"
#include "tool_convert.h"
#include "tool_operate.h"
#include "tool_panykey.h"
#include "tool_vms.h"
#include "tool_main.h"
/*
* This is low-level hard-hacking memory leak tracking and similar. Using
* the library level code from this client-side is ugly, but we do this
* anyway for convenience.
*/
#include "memdebug.h" /* keep this as LAST include */
#ifdef __VMS
/*
* vms_show is a global variable, used in main() as parameter for
* function vms_special_exit() to allow proper curl tool exiting.
* Its value may be set in other tool_*.c source files thanks to
* forward declaration present in tool_vms.h
*/
int vms_show = 0;
#endif
/* if we build a static library for unit tests, there is no main() function */
#ifndef UNITTESTS
/*
* Ensure that file descriptors 0, 1 and 2 (stdin, stdout, stderr) are
* open before starting to run. Otherwise, the first three network
* sockets opened by curl could be used for input sources, downloaded data
* or error logs as they will effectively be stdin, stdout and/or stderr.
*/
static void main_checkfds(void)
{
#ifdef HAVE_PIPE
int fd[2] = { STDIN_FILENO, STDIN_FILENO };
while(fd[0] == STDIN_FILENO ||
fd[0] == STDOUT_FILENO ||
fd[0] == STDERR_FILENO ||
fd[1] == STDIN_FILENO ||
fd[1] == STDOUT_FILENO ||
fd[1] == STDERR_FILENO)
if(pipe(fd) < 0)
return; /* Out of handles. This isn't really a big problem now, but
will be when we try to create a socket later. */
close(fd[0]);
close(fd[1]);
#endif
}
/*
** curl tool main function.
*/
int main(int argc, char *argv[])
{
int res;
struct Configurable config;
memset(&config, 0, sizeof(struct Configurable));
config.errors = stderr; /* default errors to stderr */
main_checkfds();
#if defined(HAVE_SIGNAL) && defined(SIGPIPE)
(void)signal(SIGPIPE, SIG_IGN);
#endif
res = operate(&config, argc, argv);
#ifdef __SYMBIAN32__
if(config.showerror)
tool_pressanykey();
#endif
free_config_fields(&config);
#ifdef __NOVELL_LIBC__
if(getenv("_IN_NETWARE_BASH_") == NULL)
tool_pressanykey();
#endif
#ifdef __VMS
vms_special_exit(res, vms_show);
#else
return res;
#endif
}
#endif /* ndef UNITTESTS */