139 lines
2.7 KiB
C
139 lines
2.7 KiB
C
#include "hexbin.h"
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#ifdef DL
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#include "globals.h"
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#include "crc.h"
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#include "readline.h"
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#include "../fileio/machdr.h"
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#include "../fileio/wrfile.h"
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#include "../util/util.h"
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#include "../util/transname.h"
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#include "buffer.h"
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#include "printhdr.h"
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#include <stdlib.h>
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static int32_t dl_fork(void);
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static int nchar(void);
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static int nextc(void);
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static char *icp = &line[0];
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/* oldest format -- process .dl files */
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void
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dl (char *macname, char *filename)
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{
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int n;
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if(listmode) {
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(void)fprintf(stderr, "This file is in \"dl\" format.\n");
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}
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for(n = 0; n < INFOBYTES; n++) {
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info[n] = 0;
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}
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/* set up for Mac name */
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if(macname[0] == '\0') {
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/* strip directories */
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macname = search_last(filename, '/');
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if(macname == NULL) {
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macname = filename;
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} else {
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macname++;
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}
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/* strip extension */
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n = strlen(macname);
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if(n > 3) {
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n -= 3;
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if(!strncmp(macname + n, ".dl", 3)) {
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macname[n] = '\0';
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}
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}
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}
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n = strlen(macname);
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if(n > F_NAMELEN) {
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n = F_NAMELEN;
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}
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(void)strncpy(mh.m_name, macname, n);
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(void)strncpy(mh.m_type, "APPL", 4);
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(void)strncpy(mh.m_author, "????", 4);
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mh.m_name[n] = '\0';
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transname(mh.m_name, trname, n);
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define_name(trname);
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print_header0(0);
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print_header1(0, 0);
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set_put(1);
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mh.m_datalen = 0;
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set_put(0);
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mh.m_rsrclen = dl_fork();
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info[I_NAMEOFF] = n;
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(void)strncpy(info + I_NAMEOFF + 1, mh.m_name, n);
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(void)strncpy(info + I_TYPEOFF, mh.m_type, 4);
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(void)strncpy(info + I_AUTHOFF, mh.m_author, 4);
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put4(info + I_DLENOFF, (uint32_t)mh.m_datalen);
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put4(info + I_RLENOFF, (uint32_t)mh.m_rsrclen);
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put4(info + I_CTIMOFF, (uint32_t)mh.m_createtime);
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put4(info + I_MTIMOFF, (uint32_t)mh.m_modifytime);
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print_header2(0);
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end_put();
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}
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static int32_t
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dl_fork (void)
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{
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register uint32_t i, v, c;
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register uint32_t n, bytes;
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n = 0;
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bytes = 0;
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v = 0;
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crc = 0;
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while((i = nchar()) != '|') {
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if(i < '@' || i > 'O') {
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continue;
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}
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v = (v << 4) | (i & 0xF);
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if((++n & 1) == 0) {
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put_byte((char)v);
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crc += v;
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v = 0;
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bytes++;
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}
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}
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c = 0;
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for(i = 0 ; i < 8 ; i++) {
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c = (c << 4) | (nchar() & 0xF);
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}
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verify_crc(bytes + crc, c);
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return bytes;
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}
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static int
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nchar (void)
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{
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int i;
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if((i = nextc()) == EOF) {
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(void)fprintf(stderr, "Premature EOF\n");
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#ifdef SCAN
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do_error("hexbin: Premature EOF");
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#endif /* SCAN */
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exit(1);
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}
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return i & 0177;
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}
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static int
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nextc (void)
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{
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while(*icp == 0) {
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if(readline() == 0) {
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return EOF;
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}
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icp = &line[0];
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}
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return *icp++;
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}
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#else /* DL */
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int dl; /* keep lint and some compilers happy */
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#endif /* DL */
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