diff options
Diffstat (limited to 'usr.bin/apply/apply.c')
| -rw-r--r-- | usr.bin/apply/apply.c | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/usr.bin/apply/apply.c b/usr.bin/apply/apply.c deleted file mode 100644 index a8634a9..0000000 --- a/usr.bin/apply/apply.c +++ /dev/null @@ -1,234 +0,0 @@ -/*- - * Copyright (c) 1994 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Jan-Simon Pendry. - * - * 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. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. - */ - -#ifndef lint -static char sccsid[] = "@(#)apply.c 8.4 (Berkeley) 4/4/94"; -#endif /* not lint */ - -#include <sys/wait.h> - -#include <ctype.h> -#include <err.h> -#include <paths.h> -#include <signal.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -void usage __P((void)); -int system __P((const char *)); - -int -main(argc, argv) - int argc; - char *argv[]; -{ - int ch, clen, debug, i, l, magic, n, nargs, rval; - char *c, *cmd, *p, *q; - - debug = 0; - magic = '%'; /* Default magic char is `%'. */ - nargs = -1; - while ((ch = getopt(argc, argv, "a:d0123456789")) != EOF) - switch (ch) { - case 'a': - if (optarg[1] != '\0') - errx(1, - "illegal magic character specification."); - magic = optarg[0]; - break; - case 'd': - debug = 1; - break; - case '0': case '1': case '2': case '3': case '4': - case '5': case '6': case '7': case '8': case '9': - if (nargs != -1) - errx(1, - "only one -# argument may be specified."); - nargs = optopt - '0'; - break; - default: - usage(); - } - argc -= optind; - argv += optind; - - if (argc < 2) - usage(); - - /* - * The command to run is argv[0], and the args are argv[1..]. - * Look for %digit references in the command, remembering the - * largest one. - */ - for (n = 0, p = argv[0]; *p != '\0'; ++p) - if (p[0] == magic && isdigit(p[1]) && p[1] != '0') { - ++p; - if (p[0] - '0' > n) - n = p[0] - '0'; - } - - /* - * If there were any %digit references, then use those, otherwise - * build a new command string with sufficient %digit references at - * the end to consume (nargs) arguments each time round the loop. - * Allocate enough space to hold the maximum command. - */ - if ((cmd = malloc(sizeof("exec ") - 1 + - strlen(argv[0]) + 9 * (sizeof(" %1") - 1) + 1)) == NULL) - err(1, NULL); - - if (n == 0) { - /* If nargs not set, default to a single argument. */ - if (nargs == -1) - nargs = 1; - - p = cmd; - p += sprintf(cmd, "exec %s", argv[0]); - for (i = 1; i <= nargs; i++) - p += sprintf(p, " %c%d", magic, i); - - /* - * If nargs set to the special value 0, eat a single - * argument for each command execution. - */ - if (nargs == 0) - nargs = 1; - } else { - (void)sprintf(cmd, "exec %s", argv[0]); - nargs = n; - } - - /* - * Grab some space in which to build the command. Allocate - * as necessary later, but no reason to build it up slowly - * for the normal case. - */ - if ((c = malloc(clen = 1024)) == NULL) - err(1, NULL); - - /* - * (argc) and (argv) are still offset by one to make it simpler to - * expand %digit references. At the end of the loop check for (argc) - * equals 1 means that all the (argv) has been consumed. - */ - for (rval = 0; argc > nargs; argc -= nargs, argv += nargs) { - /* - * Find a max value for the command length, and ensure - * there's enough space to build it. - */ - for (l = strlen(cmd), i = 0; i < nargs; i++) - l += strlen(argv[i]); - if (l > clen && (c = realloc(c, clen = l)) == NULL) - err(1, NULL); - - /* Expand command argv references. */ - for (p = cmd, q = c; *p != '\0'; ++p) - if (p[0] == magic && isdigit(p[1]) && p[1] != '0') - q += sprintf(q, "%s", argv[(++p)[0] - '0']); - else - *q++ = *p; - - /* Terminate the command string. */ - *q = '\0'; - - /* Run the command. */ - if (debug) - (void)printf("%s\n", c); - else - if (system(c)) - rval = 1; - } - - if (argc != 1) - errx(1, "expecting additional argument%s after \"%s\"", - (nargs - argc) ? "s" : "", argv[argc - 1]); - exit(rval); -} - -/* - * system -- - * Private version of system(3). Use the user's SHELL environment - * variable as the shell to execute. - */ -int -system(command) - const char *command; -{ - static char *name, *shell; - union wait pstat; - pid_t pid; - int omask; - sig_t intsave, quitsave; - - if (shell == NULL) { - if ((shell = getenv("SHELL")) == NULL) - shell = _PATH_BSHELL; - if ((name = strrchr(shell, '/')) == NULL) - name = shell; - else - ++name; - } - if (!command) /* just checking... */ - return(1); - - omask = sigblock(sigmask(SIGCHLD)); - switch(pid = vfork()) { - case -1: /* error */ - err(1, "fork"); - case 0: /* child */ - (void)sigsetmask(omask); - execl(shell, name, "-c", command, NULL); - err(1, "%s", shell); - } - intsave = signal(SIGINT, SIG_IGN); - quitsave = signal(SIGQUIT, SIG_IGN); - pid = waitpid(pid, (int *)&pstat, 0); - (void)sigsetmask(omask); - (void)signal(SIGINT, intsave); - (void)signal(SIGQUIT, quitsave); - return(pid == -1 ? -1 : pstat.w_status); -} - -void -usage() -{ - - (void)fprintf(stderr, - "usage: apply [-a magic] [-0123456789] command arguments ...\n"); - exit(1); -} |
