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Makefile
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Makefile.depend
(356 B)
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extern.h
(3.48 KB)
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fmt.c
(3.75 KB)
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keyword.c
(13.6 KB)
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nlist.c
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print.c
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ps.1
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ps.c
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ps.h
(3.34 KB)
Editing: fmt.c
/*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1992, 1993, 1994 * The Regents of the University of California. 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. * 3. 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. */ #if 0 #ifndef lint static char sccsid[] = "@(#)fmt.c 8.4 (Berkeley) 4/15/94"; #endif #endif #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include <sys/types.h> #include <sys/time.h> #include <sys/resource.h> #include <err.h> #include <limits.h> #include <stdio.h> #include <stdint.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include <vis.h> #include "ps.h" static char *cmdpart(char *); static char *shquote(char **); static char * shquote(char **argv) { long arg_max; static size_t buf_size; size_t len; char **p, *dst, *src; static char *buf = NULL; if (buf == NULL) { if ((arg_max = sysconf(_SC_ARG_MAX)) == -1) errx(1, "sysconf _SC_ARG_MAX failed"); if (arg_max >= LONG_MAX / 4 || arg_max >= (long)(SIZE_MAX / 4)) errx(1, "sysconf _SC_ARG_MAX preposterously large"); buf_size = 4 * arg_max + 1; if ((buf = malloc(buf_size)) == NULL) errx(1, "malloc failed"); } if (*argv == NULL) { buf[0] = '\0'; return (buf); } dst = buf; for (p = argv; (src = *p++) != NULL; ) { if (*src == '\0') continue; len = (buf_size - 1 - (dst - buf)) / 4; strvisx(dst, src, strlen(src) < len ? strlen(src) : len, VIS_NL | VIS_CSTYLE); while (*dst != '\0') dst++; if ((buf_size - 1 - (dst - buf)) / 4 > 0) *dst++ = ' '; } /* Chop off trailing space */ if (dst != buf && dst[-1] == ' ') dst--; *dst = '\0'; return (buf); } static char * cmdpart(char *arg0) { char *cp; return ((cp = strrchr(arg0, '/')) != NULL ? cp + 1 : arg0); } const char * fmt_argv(char **argv, char *cmd, char *thread, size_t maxlen) { size_t len; char *ap, *cp; if (argv == NULL || argv[0] == NULL) { if (cmd == NULL) return (""); ap = NULL; len = maxlen + 3; } else { ap = shquote(argv); len = strlen(ap) + maxlen + 4; } cp = malloc(len); if (cp == NULL) errx(1, "malloc failed"); if (ap == NULL) { if (thread != NULL) { asprintf(&ap, "%s/%s", cmd, thread); sprintf(cp, "[%.*s]", (int)maxlen, ap); free(ap); } else sprintf(cp, "[%.*s]", (int)maxlen, cmd); } else if (strncmp(cmdpart(argv[0]), cmd, maxlen) != 0) sprintf(cp, "%s (%.*s)", ap, (int)maxlen, cmd); else strcpy(cp, ap); return (cp); }
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