2.11BSD#431 - /usr/src/usr.bin/ranlib/misc.c

   1: /*-
   2:  * Copyright (c) 1990 The Regents of the University of California.
   3:  * All rights reserved.
   4:  *
   5:  * This code is derived from software contributed to Berkeley by
   6:  * Hugh Smith at The University of Guelph.
   7:  *
   8:  * Redistribution and use in source and binary forms, with or without
   9:  * modification, are permitted provided that the following conditions
  10:  * are met:
  11:  * 1. Redistributions of source code must retain the above copyright
  12:  *    notice, this list of conditions and the following disclaimer.
  13:  * 2. Redistributions in binary form must reproduce the above copyright
  14:  *    notice, this list of conditions and the following disclaimer in the
  15:  *    documentation and/or other materials provided with the distribution.
  16:  * 3. All advertising materials mentioning features or use of this software
  17:  *    must display the following acknowledgement:
  18:  *	This product includes software developed by the University of
  19:  *	California, Berkeley and its contributors.
  20:  * 4. Neither the name of the University nor the names of its contributors
  21:  *    may be used to endorse or promote products derived from this software
  22:  *    without specific prior written permission.
  23:  *
  24:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34:  * SUCH DAMAGE.
  35:  */
  36: 
  37: #if !defined(lint) && defined(DOSCCS)
  38: static char sccsid[] = "@(#)misc.c	5.2 (Berkeley) 2/26/91";
  39: #endif
  40: 
  41: #include <sys/param.h>
  42: #include <sys/signal.h>
  43: #include <errno.h>
  44: #include <stdio.h>
  45: #include <string.h>
  46: #include "pathnames.h"
  47: 
  48: extern int errno;
  49: extern char *archive, *malloc();    /* archive name */
  50: void error();
  51: char *tname = "temporary file";     /* temporary file "name" */
  52: 
  53: tmp()
  54: {
  55:     long set, oset;
  56:     int fd;
  57:     char path[MAXPATHLEN];
  58: 
  59:     bcopy(_PATH_RANTMP, path, sizeof(_PATH_RANTMP));
  60: 
  61:     set = sigmask(SIGHUP)|sigmask(SIGINT)|sigmask(SIGQUIT)|sigmask(SIGTERM);
  62:     oset = sigsetmask(set);
  63:     if ((fd = mkstemp(path)) == -1)
  64:         error(tname);
  65:         (void)unlink(path);
  66:     (void)sigsetmask(oset);
  67:     return(fd);
  68: }
  69: 
  70: void *
  71: emalloc(len)
  72:     int len;
  73: {
  74:     char *p;
  75: 
  76:     if (!(p = malloc((u_int)len)))
  77:         error(archive);
  78:     return((void *)p);
  79: }
  80: 
  81: char *
  82: rname(path)
  83:     char *path;
  84: {
  85:     register char *ind;
  86: 
  87:     return((ind = rindex(path, '/')) ? ind + 1 : path);
  88: }
  89: 
  90: void
  91: badfmt()
  92: {
  93:     errno = EINVAL;
  94:     error(archive);
  95: }
  96: 
  97: void
  98: error(name)
  99:     char *name;
 100: {
 101:     (void)fprintf(stderr, "ranlib: %s: %s\n", name, strerror(errno));
 102:     exit(1);
 103: }

Defined functions

Defined variables