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1334b794b7
These no longer work; removing them makes other refactoring easier. The code for pack P being deleted in this CL does not work either. I created issue 6989 to track restoring this functionality (probably not until pack is written in Go). R=golang-codereviews, bradfitz CC=golang-codereviews https://golang.org/cl/44300043
78 lines
2.4 KiB
C
78 lines
2.4 KiB
C
// Inferno libmach/obj.c
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// http://code.google.com/p/inferno-os/source/browse/utils/libmach/obj.c
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//
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// Copyright © 1994-1999 Lucent Technologies Inc.
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// Power PC support Copyright © 1995-2004 C H Forsyth (forsyth@terzarima.net).
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// Portions Copyright © 1997-1999 Vita Nuova Limited.
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// Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com).
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// Revisions Copyright © 2000-2004 Lucent Technologies Inc. and others.
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// Portions Copyright © 2009 The Go Authors. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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/*
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* obj.c
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* routines universal to all object files
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*/
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#include <u.h>
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#include <libc.h>
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#include <bio.h>
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#include <ar.h>
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#include <mach.h>
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#include "obj.h"
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int
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isar(Biobuf *bp)
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{
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int n;
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char magbuf[SARMAG];
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n = Bread(bp, magbuf, SARMAG);
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if(n == SARMAG && strncmp(magbuf, ARMAG, SARMAG) == 0)
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return 1;
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return 0;
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}
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/*
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* look for the next file in an archive
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*/
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int
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nextar(Biobuf *bp, int offset, char *buf)
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{
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struct ar_hdr a;
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int i, r;
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int32 arsize;
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if (offset&01)
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offset++;
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Bseek(bp, offset, 0);
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r = Bread(bp, &a, SAR_HDR);
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if(r != SAR_HDR)
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return 0;
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if(strncmp(a.fmag, ARFMAG, sizeof(a.fmag)))
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return -1;
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for(i=0; i<sizeof(a.name) && i<SARNAME && a.name[i] != ' '; i++)
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buf[i] = a.name[i];
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buf[i] = 0;
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arsize = strtol(a.size, 0, 0);
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if (arsize&1)
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arsize++;
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return arsize + SAR_HDR;
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}
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