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Diffstat (limited to 'lib/libdpv/util.c')
| -rw-r--r-- | lib/libdpv/util.c | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/lib/libdpv/util.c b/lib/libdpv/util.c deleted file mode 100644 index 4b2393b45821..000000000000 --- a/lib/libdpv/util.c +++ /dev/null @@ -1,104 +0,0 @@ -/*- - * Copyright (c) 2013-2018 Devin Teske <dteske@FreeBSD.org> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -#include <err.h> -#include <limits.h> -#include <spawn.h> -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> - -#include "util.h" - -extern char **environ; -static char cmdbuf[CMDBUFMAX] = ""; -static char shellcmd[PATH_MAX] = PATH_SHELL; -static char *shellcmd_argv[6] = { - shellcmd, - __DECONST(char *, "-c"), - cmdbuf, - __DECONST(char *, "--"), - shellcmd, - NULL, -}; - -/* - * Spawn a sh(1) command. Writes the resulting process ID to the pid_t pointed - * at by `pid'. Returns a file descriptor (int) suitable for writing data to - * the spawned command (data written to file descriptor is seen as standard-in - * by the spawned sh(1) command). Returns `-1' if unable to spawn command. - * - * If cmd contains a single "%s" sequence, replace it with label if non-NULL. - */ -int -shell_spawn_pipecmd(const char *cmd, const char *label, pid_t *pid) -{ - int error; - int len; - posix_spawn_file_actions_t action; -#if SHELL_SPAWN_DEBUG - unsigned int i; -#endif - int stdin_pipe[2] = { -1, -1 }; - - /* Populate argument array */ - if (label != NULL && fmtcheck(cmd, "%s") == cmd) - len = snprintf(cmdbuf, CMDBUFMAX, cmd, label); - else - len = snprintf(cmdbuf, CMDBUFMAX, "%s", cmd); - if (len >= CMDBUFMAX) { - warnx("%s:%d:%s: cmdbuf[%u] too small to hold cmd argument", - __FILE__, __LINE__, __func__, CMDBUFMAX); - return (-1); - } - - /* Open a pipe to communicate with [X]dialog(1) */ - if (pipe(stdin_pipe) < 0) - err(EXIT_FAILURE, "%s: pipe(2)", __func__); - - /* Fork sh(1) process */ -#if SHELL_SPAWN_DEBUG - fprintf(stderr, "%s: spawning `", __func__); - for (i = 0; shellcmd_argv[i] != NULL; i++) { - if (i == 0) - fprintf(stderr, "%s", shellcmd_argv[i]); - else if (i == 2) - fprintf(stderr, " '%s'", shellcmd_argv[i]); - else - fprintf(stderr, " %s", shellcmd_argv[i]); - } - fprintf(stderr, "'\n"); -#endif - posix_spawn_file_actions_init(&action); - posix_spawn_file_actions_adddup2(&action, stdin_pipe[0], STDIN_FILENO); - posix_spawn_file_actions_addclose(&action, stdin_pipe[1]); - error = posix_spawnp(pid, shellcmd, &action, - (const posix_spawnattr_t *)NULL, shellcmd_argv, environ); - if (error != 0) err(EXIT_FAILURE, "%s", shellcmd); - - return stdin_pipe[1]; -} |