7a2029bac2
that get included just where they are needed. All headers include the headers that they need to compile (just with an empty .c file). Sort includes alphabetically where apropriate and fix some duplicate commenting for struct Job, struct GNode and struct Shell by removing one version and inlining the comments into the structure declaration (the comments have been somewhat outdated). This patch does not contain functional changes (checked with md5). Submitted by: Max Okumoto <okumoto@ucsd.edu>
286 lines
5.4 KiB
C
286 lines
5.4 KiB
C
/*-
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* Copyright (c) 2002 Juli Mallett. All rights reserved.
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* Copyright (c) 1988, 1989, 1990, 1993
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* The Regents of the University of California. All rights reserved.
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* Copyright (c) 1989 by Berkeley Softworks
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Adam de Boor.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)main.c 8.3 (Berkeley) 3/19/94
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*-
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* util.c --
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* General utilitarian routines for make(1).
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <err.h>
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#include <errno.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "globals.h"
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#include "job.h"
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#include "targ.h"
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#include "util.h"
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/*-
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* Debug --
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* Print a debugging message given its format.
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*
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* Results:
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* None.
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*
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* Side Effects:
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* The message is printed.
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*/
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/* VARARGS */
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void
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Debug(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vfprintf(stderr, fmt, ap);
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va_end(ap);
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fflush(stderr);
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}
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/*-
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* Error --
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* Print an error message given its format.
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*
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* Results:
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* None.
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*
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* Side Effects:
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* The message is printed.
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*/
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/* VARARGS */
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void
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Error(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vfprintf(stderr, fmt, ap);
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va_end(ap);
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fprintf(stderr, "\n");
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fflush(stderr);
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}
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/*-
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* Fatal --
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* Produce a Fatal error message. If jobs are running, waits for them
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* to finish.
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*
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* Results:
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* None
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*
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* Side Effects:
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* The program exits
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*/
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/* VARARGS */
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void
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Fatal(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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if (jobsRunning)
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Job_Wait();
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vfprintf(stderr, fmt, ap);
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va_end(ap);
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fprintf(stderr, "\n");
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fflush(stderr);
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if (DEBUG(GRAPH2))
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Targ_PrintGraph(2);
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exit(2); /* Not 1 so -q can distinguish error */
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}
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/*
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* Punt --
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* Major exception once jobs are being created. Kills all jobs, prints
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* a message and exits.
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*
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* Results:
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* None
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*
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* Side Effects:
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* All children are killed indiscriminately and the program Lib_Exits
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*/
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/* VARARGS */
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void
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Punt(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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fprintf(stderr, "make: ");
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vfprintf(stderr, fmt, ap);
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va_end(ap);
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fprintf(stderr, "\n");
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fflush(stderr);
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DieHorribly();
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}
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/*-
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* DieHorribly --
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* Exit without giving a message.
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*
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* Results:
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* None
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*
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* Side Effects:
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* A big one...
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*/
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void
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DieHorribly(void)
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{
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if (jobsRunning)
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Job_AbortAll();
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if (DEBUG(GRAPH2))
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Targ_PrintGraph(2);
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exit(2); /* Not 1, so -q can distinguish error */
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}
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/*
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* Finish --
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* Called when aborting due to errors in child shell to signal
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* abnormal exit, with the number of errors encountered in Make_Make.
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*
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* Results:
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* None
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*
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* Side Effects:
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* The program exits
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*/
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void
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Finish(int errors)
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{
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Fatal("%d error%s", errors, errors == 1 ? "" : "s");
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}
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/*
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* emalloc --
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* malloc, but die on error.
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*/
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void *
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emalloc(size_t len)
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{
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void *p;
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if ((p = malloc(len)) == NULL)
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enomem();
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return (p);
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}
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/*
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* estrdup --
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* strdup, but die on error.
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*/
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char *
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estrdup(const char *str)
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{
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char *p;
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if ((p = strdup(str)) == NULL)
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enomem();
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return (p);
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}
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/*
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* erealloc --
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* realloc, but die on error.
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*/
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void *
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erealloc(void *ptr, size_t size)
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{
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if ((ptr = realloc(ptr, size)) == NULL)
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enomem();
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return (ptr);
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}
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/*
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* enomem --
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* die when out of memory.
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*/
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void
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enomem(void)
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{
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err(2, NULL);
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}
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/*
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* enunlink --
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* Remove a file carefully, avoiding directories.
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*/
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int
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eunlink(const char *file)
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{
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struct stat st;
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if (lstat(file, &st) == -1)
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return (-1);
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if (S_ISDIR(st.st_mode)) {
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errno = EISDIR;
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return (-1);
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}
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return (unlink(file));
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}
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/*
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* Printaddr --
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* Print the address of a node, used as an interative function.
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*/
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int
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PrintAddr(void *a, void *b __unused)
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{
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printf("%p ", a);
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return (0);
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}
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