From a6f94ed5221e1b03e1578c94643bf483d17870d6 Mon Sep 17 00:00:00 2001 From: midipix Date: Sun, 15 Mar 2015 20:51:12 -0400 Subject: fixincludes: remove the source directory in its entirety. --- fixincludes/procopen.c | 218 ------------------------------------------------- 1 file changed, 218 deletions(-) delete mode 100644 fixincludes/procopen.c (limited to 'fixincludes/procopen.c') diff --git a/fixincludes/procopen.c b/fixincludes/procopen.c deleted file mode 100644 index 22d4f6793..000000000 --- a/fixincludes/procopen.c +++ /dev/null @@ -1,218 +0,0 @@ - -/* - * server.c Set up and handle communications with a server process. - * - * Server Handling copyright 1992-1999, 2004 The Free Software Foundation - * - * Server Handling is free software. - * You may redistribute it and/or modify it under the terms of the - * GNU General Public License, as published by the Free Software - * Foundation; either version 2, or (at your option) any later version. - * - * Server Handling is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with Server Handling. See the file "COPYING". If not, - * write to: The Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - * - * As a special exception, The Free Software Foundation gives - * permission for additional uses of the text contained in his release - * of ServerHandler. - * - * The exception is that, if you link the ServerHandler library with other - * files to produce an executable, this does not by itself cause the - * resulting executable to be covered by the GNU General Public License. - * Your use of that executable is in no way restricted on account of - * linking the ServerHandler library code into it. - * - * This exception does not however invalidate any other reasons why - * the executable file might be covered by the GNU General Public License. - * - * This exception applies only to the code released by The Free - * Software Foundation under the name ServerHandler. If you copy code - * from other sources under the General Public License into a copy of - * ServerHandler, as the General Public License permits, the exception - * does not apply to the code that you add in this way. To avoid - * misleading anyone as to the status of such modified files, you must - * delete this exception notice from them. - * - * If you write modifications of your own for ServerHandler, it is your - * choice whether to permit this exception to apply to your modifications. - * If you do not wish that, delete this exception notice. - */ - -#include "fixlib.h" -#include "server.h" - -STATIC const char* def_args[] = -{ (char *) NULL, (char *) NULL }; - -/* - * chain_open - * - * Given an FD for an inferior process to use as stdin, - * start that process and return a NEW FD that that process - * will use for its stdout. Requires the argument vector - * for the new process and, optionally, a pointer to a place - * to store the child's process id. - */ -int -chain_open (int stdin_fd, tCC** pp_args, pid_t* p_child) -{ - t_fd_pair stdout_pair; - pid_t ch_id; - tCC *pz_cmd; - - stdout_pair.read_fd = stdout_pair.write_fd = -1; - - /* - * Create a pipe it will be the child process' stdout, - * and the parent will read from it. - */ - if (pipe ((int *) &stdout_pair) < 0) - { - if (p_child != (pid_t *) NULL) - *p_child = NOPROCESS; - return -1; - } - - /* - * If we did not get an arg list, use the default - */ - if (pp_args == (tCC **) NULL) - pp_args = def_args; - - /* - * If the arg list does not have a program, - * assume the "SHELL" from the environment, or, failing - * that, then sh. Set argv[0] to whatever we decided on. - */ - if (pz_cmd = *pp_args, - (pz_cmd == (char *) NULL) || (*pz_cmd == '\0')) - { - - pz_cmd = getenv ("SHELL"); - if (pz_cmd == (char *) NULL) - pz_cmd = "sh"; - } - -#ifdef DEBUG_PRINT - printf ("START: %s\n", pz_cmd); - { - int idx = 0; - - while (pp_args[++idx] != (char *) NULL) - printf (" ARG %2d: %s\n", idx, pp_args[idx]); - } -#endif - - /* - * Call fork() and see which process we become - */ - ch_id = fork (); - switch (ch_id) - { - case NOPROCESS: /* parent - error in call */ - close (stdout_pair.read_fd); - close (stdout_pair.write_fd); - if (p_child != (pid_t *) NULL) - *p_child = NOPROCESS; - return -1; - - default: /* parent - return opposite FD's */ - if (p_child != (pid_t *) NULL) - *p_child = ch_id; -#ifdef DEBUG_PRINT - printf ("for pid %d: stdin from %d, stdout to %d\n" - "for parent: read from %d\n", - ch_id, stdin_fd, stdout_pair.write_fd, stdout_pair.read_fd); -#endif - close (stdin_fd); - close (stdout_pair.write_fd); - return stdout_pair.read_fd; - - case NULLPROCESS: /* child - continue processing */ - break; - } - - /* - * Close the pipe end handed back to the parent process - */ - close (stdout_pair.read_fd); - - /* - * Close our current stdin and stdout - */ - close (STDIN_FILENO); - close (STDOUT_FILENO); - - /* - * Make the fd passed in the stdin, and the write end of - * the new pipe become the stdout. - */ - dup2 (stdout_pair.write_fd, STDOUT_FILENO); - dup2 (stdin_fd, STDIN_FILENO); - - if (*pp_args == (char *) NULL) - *pp_args = pz_cmd; - - execvp (pz_cmd, (char**)pp_args); - fprintf (stderr, "Error %d: Could not execvp( '%s', ... ): %s\n", - errno, pz_cmd, xstrerror (errno)); - exit (EXIT_PANIC); -} - - -/* - * proc2_open - * - * Given a pointer to an argument vector, start a process and - * place its stdin and stdout file descriptors into an fd pair - * structure. The "write_fd" connects to the inferior process - * stdin, and the "read_fd" connects to its stdout. The calling - * process should write to "write_fd" and read from "read_fd". - * The return value is the process id of the created process. - */ -pid_t -proc2_open (t_fd_pair* p_pair, tCC** pp_args) -{ - pid_t ch_id; - - /* Create a bi-directional pipe. Writes on 0 arrive on 1 and vice - versa, so the parent and child processes will read and write to - opposite FD's. */ - if (pipe ((int *) p_pair) < 0) - return NOPROCESS; - - p_pair->read_fd = chain_open (p_pair->read_fd, pp_args, &ch_id); - if (ch_id == NOPROCESS) - close (p_pair->write_fd); - - return ch_id; -} - - -/* - * proc2_fopen - * - * Identical to "proc2_open()", except that the "fd"'s are - * "fdopen(3)"-ed into file pointers instead. - */ -pid_t -proc2_fopen (t_pf_pair* pf_pair, tCC** pp_args) -{ - t_fd_pair fd_pair; - pid_t ch_id = proc2_open (&fd_pair, pp_args); - - if (ch_id == NOPROCESS) - return ch_id; - - pf_pair->pf_read = fdopen (fd_pair.read_fd, "r"); - pf_pair->pf_write = fdopen (fd_pair.write_fd, "w"); - return ch_id; -} -- cgit v1.2.3