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[/] [eco32/] [trunk/] [binutils/] [ar/] [ar.c] - Blame information for rev 157

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/*
 * ar.c -- archiver
 */
 
 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <unistd.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <time.h>
 
#include "endian.h"
#include "ranlib.h"
#include "../include/ar.h"
 
 
/**************************************************************/
 
 
#define BUFSIZE 512
 
#define SKIP    0x01
#define IODD    0x02
#define OODD    0x04
#define HEAD    0x08
 
 
char *com = "drqtpmx";
char *opt = "vuabcls";
 
int signums[] = { SIGHUP, SIGINT, SIGQUIT, 0 };
 
void (*comfun)(void);
int flg[26];
 
char *arnam;
int af;
 
char **namv;
int namc;
 
int baState;
char *posName;
 
char tmp0nam[20];
char tmp1nam[20];
char tmp2nam[20];
char *tf0nam;
char *tf1nam;
char *tf2nam;
int tf0;
int tf1;
int tf2;
int qf;
 
char *file;
char name[MAX_NAME];
 
struct stat stbuf;
ArHeader arbuf;
unsigned char buf[BUFSIZE];
 
 
/**************************************************************/
 
 
#define IFMT    070000
#define SUID    004000
#define SGID    002000
#define STXT    001000
#define ROWN    000400
#define WOWN    000200
#define XOWN    000100
#define RGRP    000040
#define WGRP    000020
#define XGRP    000010
#define ROTH    000004
#define WOTH    000002
#define XOTH    000001
 
 
int m1[] = { 1, ROWN, 'r', '-' };
int m2[] = { 1, WOWN, 'w', '-' };
int m3[] = { 2, SUID, 's', XOWN, 'x', '-' };
int m4[] = { 1, RGRP, 'r', '-' };
int m5[] = { 1, WGRP, 'w', '-' };
int m6[] = { 2, SGID, 's', XGRP, 'x', '-' };
int m7[] = { 1, ROTH, 'r', '-' };
int m8[] = { 1, WOTH, 'w', '-' };
int m9[] = { 2, STXT, 't', XOTH, 'x', '-' };
 
int *m[] = { m1, m2, m3, m4, m5, m6, m7, m8, m9 };
 
 
void selectChar(int *pairp) {
  int *ap;
  int n;
 
  ap = pairp;
  n = *ap++;
  while (--n >= 0 && (arbuf.mode & *ap++) == 0) {
    ap++;
  }
  putchar(*ap);
}
 
 
void printMode(void) {
  int **mp;
 
  for (mp = &m[0]; mp < &m[9]; mp++) {
    selectChar(*mp);
  }
}
 
 
void showAttributes(void) {
  char *cp;
 
  printMode();
  printf("%4d/%4d", arbuf.uid, arbuf.gid);
  printf("%8ld", arbuf.size);
  cp = ctime(&arbuf.date);
  printf(" %-12.12s %-4.4s ", cp + 4, cp + 20);
}
 
 
/**************************************************************/
 
 
void mesg(int c) {
  if (flg['v' - 'a']) {
    printf("%c - %s\n", c, file);
  }
}
 
 
char *trim(char *s) {
  char *p1;
  char *p2;
 
  for (p1 = s; *p1 != '\0'; p1++) ;
  while (p1 > s) {
    if (*--p1 != '/') {
      break;
    }
    *p1 = '\0';
  }
  p2 = s;
  for (p1 = s; *p1 != '\0'; p1++) {
    if (*p1 == '/') {
      p2 = p1 + 1;
    }
  }
  return p2;
}
 
 
int notFound(void) {
  int n;
  int i;
 
  n = 0;
  for (i = 0; i < namc; i++) {
    if (namv[i] != NULL) {
      fprintf(stderr, "ar: %s not found\n", namv[i]);
      n++;
    }
  }
  return n;
}
 
 
int moreFiles(void) {
  int n;
  int i;
 
  n = 0;
  for (i = 0; i < namc; i++) {
    if (namv[i] != NULL) {
      n++;
    }
  }
  return n;
}
 
 
void unlinkTempFiles(void) {
  if (tf0nam != NULL) {
    unlink(tf0nam);
  }
  if (tf1nam != NULL) {
    unlink(tf1nam);
  }
  if (tf2nam != NULL) {
    unlink(tf2nam);
  }
}
 
 
void done(int c) {
  unlinkTempFiles();
  exit(c);
}
 
 
void sigDone(int signum) {
  done(100);
}
 
 
void noArchive(void) {
  fprintf(stderr, "ar: %s does not exist\n", arnam);
  done(1);
}
 
 
void writeError(void) {
  perror("ar write error");
  done(1);
}
 
 
void phaseError(void) {
  fprintf(stderr, "ar: phase error on %s\n", file);
}
 
 
int stats(void) {
  int f;
 
  f = open(file, O_RDONLY);
  if (f < 0) {
    return f;
  }
  if (fstat(f, &stbuf) < 0) {
    close(f);
    return -1;
  }
  return f;
}
 
 
int match(void) {
  int i;
 
  for (i = 0; i < namc; i++) {
    if (namv[i] == NULL) {
      continue;
    }
    if (strcmp(trim(namv[i]), file) == 0) {
      file = namv[i];
      namv[i] = NULL;
      return 1;
    }
  }
  return 0;
}
 
 
void baMatch(void) {
  int f;
 
  if (baState == 1) {
    if (strcmp(file, posName) != 0) {
      return;
    }
    baState = 2;
    if (flg['a' - 'a']) {
      return;
    }
  }
  if (baState == 2) {
    baState = 0;
    tf1nam = mktemp(tmp1nam);
    close(creat(tf1nam, 0600));
    f = open(tf1nam, O_RDWR);
    if (f < 0) {
      fprintf(stderr, "ar: cannot create second temp file\n");
      return;
    }
    tf1 = tf0;
    tf0 = f;
  }
}
 
 
/**************************************************************/
 
 
void init(void) {
  unsigned int mbuf;
 
  write4ToEco((unsigned char *) &mbuf, AR_MAGIC);
  tf0nam = mktemp(tmp0nam);
  close(creat(tf0nam, 0600));
  tf0 = open(tf0nam, O_RDWR);
  if (tf0 < 0) {
    fprintf(stderr, "ar: cannot create temp file\n");
    done(1);
  }
  if (write(tf0, &mbuf, sizeof(mbuf)) != sizeof(mbuf)) {
    writeError();
  }
}
 
 
int getArchive(void) {
  unsigned int mbuf;
 
  af = open(arnam, O_RDONLY);
  if (af < 0) {
    return 1;
  }
  if (read(af, &mbuf, sizeof(mbuf)) != sizeof(mbuf) ||
      read4FromEco((unsigned char *) &mbuf) != AR_MAGIC) {
    fprintf(stderr, "ar: %s not in archive format\n", arnam);
    done(1);
  }
  return 0;
}
 
 
void getQuick(void) {
  unsigned int mbuf;
 
  qf = open(arnam, O_RDWR);
  if (qf < 0) {
    if (!flg['c' - 'a']) {
      fprintf(stderr, "ar: creating %s\n", arnam);
    }
    close(creat(arnam, 0666));
    qf = open(arnam, O_RDWR);
    if (qf < 0) {
      fprintf(stderr, "ar: cannot create %s\n", arnam);
      done(1);
    }
    write4ToEco((unsigned char *) &mbuf, AR_MAGIC);
    if (write(qf, &mbuf, sizeof(mbuf)) != sizeof(mbuf)) {
      writeError();
    }
  } else
  if (read(qf, &mbuf, sizeof(mbuf)) != sizeof(mbuf) ||
      read4FromEco((unsigned char *) &mbuf) != AR_MAGIC) {
    fprintf(stderr, "ar: %s not in archive format\n", arnam);
    done(1);
  }
}
 
 
int getMember(void) {
  int i;
 
  i = read(af, &arbuf, sizeof(arbuf));
  if (i != sizeof(arbuf)) {
    if (tf1nam != NULL) {
      i = tf0;
      tf0 = tf1;
      tf1 = i;
    }
    return 1;
  }
  conv4FromEcoToNative((unsigned char *) &arbuf.date);
  conv4FromEcoToNative((unsigned char *) &arbuf.uid);
  conv4FromEcoToNative((unsigned char *) &arbuf.gid);
  conv4FromEcoToNative((unsigned char *) &arbuf.mode);
  conv4FromEcoToNative((unsigned char *) &arbuf.size);
  for (i = 0; i < MAX_NAME; i++) {
    name[i] = arbuf.name[i];
  }
  file = name;
  return 0;
}
 
 
void copyFile(int fi, int fo, int flags) {
  int pe;
  int icount, ocount;
  int pad;
 
  if (flags & HEAD) {
    conv4FromNativeToEco((unsigned char *) &arbuf.date);
    conv4FromNativeToEco((unsigned char *) &arbuf.uid);
    conv4FromNativeToEco((unsigned char *) &arbuf.gid);
    conv4FromNativeToEco((unsigned char *) &arbuf.mode);
    conv4FromNativeToEco((unsigned char *) &arbuf.size);
    if (write(fo, &arbuf, sizeof(arbuf)) != sizeof(arbuf)) {
      writeError();
    }
    conv4FromEcoToNative((unsigned char *) &arbuf.date);
    conv4FromEcoToNative((unsigned char *) &arbuf.uid);
    conv4FromEcoToNative((unsigned char *) &arbuf.gid);
    conv4FromEcoToNative((unsigned char *) &arbuf.mode);
    conv4FromEcoToNative((unsigned char *) &arbuf.size);
  }
  pe = 0;
  while (arbuf.size > 0) {
    icount = ocount = BUFSIZE;
    if (arbuf.size < icount) {
      icount = ocount = arbuf.size;
      pad = -icount & 0x03;
      if (flags & IODD) {
        icount += pad;
      }
      if (flags & OODD) {
        ocount += pad;
      }
    }
    if (read(fi, buf, icount) != icount) {
      pe++;
    }
    if ((flags & SKIP) == 0) {
      if (write(fo, buf, ocount) != ocount) {
        writeError();
      }
    }
    arbuf.size -= BUFSIZE;
  }
  if (pe != 0) {
    phaseError();
  }
}
 
 
void moveFile(int f) {
  char *cp;
  int i;
 
  cp = trim(file);
  for (i = 0; i < MAX_NAME; i++) {
    if ((arbuf.name[i] = *cp) != '\0') {
      cp++;
    }
  }
  arbuf.size = stbuf.st_size;
  arbuf.date = stbuf.st_mtime;
  arbuf.uid = stbuf.st_uid;
  arbuf.gid = stbuf.st_gid;
  arbuf.mode = stbuf.st_mode;
  copyFile(f, tf0, OODD | HEAD);
  close(f);
}
 
 
void install(void) {
  int i;
 
  for (i = 0; signums[i] != 0; i++) {
    signal(signums[i], SIG_IGN);
  }
  if (af < 0) {
    if (!flg['c' - 'a']) {
      fprintf(stderr, "ar: creating %s\n", arnam);
    }
  }
  close(af);
  af = creat(arnam, 0666);
  if (af < 0) {
    fprintf(stderr, "ar: cannot create %s\n", arnam);
    done(1);
  }
  if (tf0nam != NULL) {
    lseek(tf0, 0, SEEK_SET);
    while ((i = read(tf0, buf, BUFSIZE)) > 0) {
      if (write(af, buf, i) != i) {
        writeError();
      }
    }
  }
  if (tf2nam != NULL) {
    lseek(tf2, 0, SEEK_SET);
    while ((i = read(tf2, buf, BUFSIZE)) > 0) {
      if (write(af, buf, i) != i) {
        writeError();
      }
    }
  }
  if (tf1nam != NULL) {
    lseek(tf1, 0, SEEK_SET);
    while ((i = read(tf1, buf, BUFSIZE)) > 0) {
      if (write(af, buf, i) != i) {
        writeError();
      }
    }
  }
}
 
 
void cleanup(void) {
  int i;
  int f;
 
  for (i = 0; i < namc; i++) {
    file = namv[i];
    if (file == NULL) {
      continue;
    }
    namv[i] = NULL;
    mesg('a');
    f = stats();
    if (f < 0) {
      fprintf(stderr, "ar: cannot open %s\n", file);
      continue;
    }
    moveFile(f);
  }
}
 
 
/**************************************************************/
 
 
void dCmd(void) {
  init();
  if (getArchive()) {
    noArchive();
  }
  while (!getMember()) {
    if (match()) {
      mesg('d');
      copyFile(af, -1, IODD | SKIP);
      continue;
    }
    mesg('c');
    copyFile(af, tf0, IODD | OODD | HEAD);
  }
  install();
}
 
 
void rCmd(void) {
  int f;
 
  init();
  getArchive();
  while (!getMember()) {
    baMatch();
    if (namc == 0 || match()) {
      f = stats();
      if (f < 0) {
        if (namc != 0) {
          fprintf(stderr, "ar: cannot open %s\n", file);
        }
        goto cp;
      }
      if (flg['u' - 'a']) {
        if (stbuf.st_mtime <= arbuf.date) {
          close(f);
          goto cp;
        }
      }
      mesg('r');
      copyFile(af, -1, IODD | SKIP);
      moveFile(f);
      continue;
    }
cp:
    mesg('c');
    copyFile(af, tf0, IODD | OODD | HEAD);
  }
  cleanup();
  install();
}
 
 
void qCmd(void) {
  int i;
  int f;
 
  if (flg['a' - 'a'] || flg['b' - 'a']) {
    fprintf(stderr, "ar: [ab] not allowed with -q\n");
    done(1);
  }
  getQuick();
  for (i = 0; signums[i] != 0; i++) {
    signal(signums[i], SIG_IGN);
  }
  lseek(qf, 0, SEEK_END);
  for (i = 0; i < namc; i++) {
    file = namv[i];
    if (file == NULL) {
      continue;
    }
    namv[i] = NULL;
    mesg('q');
    f = stats();
    if (f < 0) {
      fprintf(stderr, "ar: cannot open %s\n", file);
      continue;
    }
    tf0 = qf;
    moveFile(f);
    qf = tf0;
  }
}
 
 
void tCmd(void) {
  if (getArchive()) {
    noArchive();
  }
  while (!getMember()) {
    if (namc == 0 || match()) {
      if (flg['v' - 'a']) {
        showAttributes();
      }
      printf("%s\n", trim(file));
    }
    copyFile(af, -1, IODD | SKIP);
  }
}
 
 
void pCmd(void) {
  if (getArchive()) {
    noArchive();
  }
  while (!getMember()) {
    if (namc == 0 || match()) {
      if (flg['v' - 'a']) {
        printf("\n<%s>\n\n", file);
        fflush(stdout);
      }
      copyFile(af, 1, IODD);
      continue;
    }
    copyFile(af, -1, IODD | SKIP);
  }
}
 
 
void mCmd(void) {
  init();
  if (getArchive()) {
    noArchive();
  }
  tf2nam = mktemp(tmp2nam);
  close(creat(tf2nam, 0600));
  tf2 = open(tf2nam, O_RDWR);
  if (tf2 < 0) {
    fprintf(stderr, "ar: cannot create third temp file\n");
    done(1);
  }
  while (!getMember()) {
    baMatch();
    if (match()) {
      mesg('m');
      copyFile(af, tf2, IODD | OODD | HEAD);
      continue;
    }
    mesg('c');
    copyFile(af, tf0, IODD | OODD | HEAD);
  }
  install();
}
 
 
void xCmd(void) {
  int f;
 
  if (getArchive()) {
    noArchive();
  }
  while (!getMember()) {
    if (namc == 0 || match()) {
      f = creat(file, arbuf.mode & 0777);
      if (f < 0) {
        fprintf(stderr, "ar: cannot create %s\n", file);
        goto sk;
      }
      mesg('x');
      copyFile(af, f, IODD);
      close(f);
      continue;
    }
sk:
    mesg('c');
    copyFile(af, -1, IODD | SKIP);
    if (namc > 0 && !moreFiles()) {
      done(0);
    }
  }
}
 
 
/**************************************************************/
 
/* specialized r command for updating symbols */
 
 
int exec_rCmd(int create, char *args[]) {
  int i;
  int res;
 
  /* reset all global variables */
  comfun = NULL;
  for (i = 0; i < 26; i++) {
    flg[i] = 0;
  }
  arnam = NULL;
  af = 0;
  namv = NULL;
  namc = 0;
  baState = 0;
  posName = NULL;
  for (i = 0; i < 20; i++) {
    tmp0nam[i] = '\0';
    tmp1nam[i] = '\0';
    tmp2nam[i] = '\0';
  }
  tf0nam = NULL;
  tf1nam = NULL;
  tf2nam = NULL;
  tf0 = 0;
  tf1 = 0;
  tf2 = 0;
  qf = 0;
  file = NULL;
  for (i = 0; i < MAX_NAME; i++) {
    name[i] = '\0';
  }
  /* prepare arguments, call r command, cleanup */
  comfun = rCmd;
  flg['l' - 'a'] = 1;
  strcpy(tmp0nam, "v0XXXXXX");
  strcpy(tmp1nam, "v1XXXXXX");
  strcpy(tmp2nam, "v2XXXXXX");
  if (create) {
    /* ar -rlb firstName archive TEMP_NAME */
    flg['b' - 'a'] = 1;
    baState = 1;
    posName = trim(args[0]);
    arnam = args[1];
    namv = &args[2];
    namc = 1;
  } else {
    /* ar -rl archive TEMP_NAME */
    arnam = args[0];
    namv = &args[1];
    namc = 1;
  }
  (*comfun)();
  res = notFound();
  unlinkTempFiles();
  return res;
}
 
 
/**************************************************************/
 
 
void usage(void) {
  printf("usage: ar -[%s][%s] archive files ...\n", com, opt);
  done(1);
}
 
 
void setcom(void (*fun)(void)) {
  if (comfun != NULL) {
    fprintf(stderr, "ar: only one of [%s] allowed\n", com);
    done(1);
  }
  comfun = fun;
}
 
 
int cmdCanChangeSymbols(void) {
  return comfun == dCmd ||
         comfun == rCmd ||
         comfun == mCmd;
}
 
 
int main(int argc, char *argv[]) {
  int i;
  char *cp;
  int res;
 
  for (i = 0; signums[i] != 0; i++) {
    if (signal(signums[i], SIG_IGN) != SIG_IGN) {
      signal(signums[i], sigDone);
    }
  }
  strcpy(tmp0nam, "/tmp/v0XXXXXX");
  strcpy(tmp1nam, "/tmp/v1XXXXXX");
  strcpy(tmp2nam, "/tmp/v2XXXXXX");
  if (argc < 3 || *argv[1] != '-') {
    usage();
  }
  for (cp = argv[1] + 1; *cp != '\0'; cp++) {
    switch (*cp) {
      case 'd':
        setcom(dCmd);
        break;
      case 'r':
        setcom(rCmd);
        break;
      case 'q':
        setcom(qCmd);
        break;
      case 't':
        setcom(tCmd);
        break;
      case 'p':
        setcom(pCmd);
        break;
      case 'm':
        setcom(mCmd);
        break;
      case 'x':
        setcom(xCmd);
        break;
      case 'v':
      case 'u':
      case 'a':
      case 'b':
      case 'c':
      case 'l':
      case 's':
        flg[*cp - 'a'] = 1;
        break;
      default:
        fprintf(stderr, "ar: bad option '%c'\n", *cp);
        done(1);
    }
  }
  if (flg['l' - 'a']) {
    strcpy(tmp0nam, "v0XXXXXX");
    strcpy(tmp1nam, "v1XXXXXX");
    strcpy(tmp2nam, "v2XXXXXX");
  }
  if (flg['a' - 'a'] || flg['b' - 'a']) {
    baState = 1;
    posName = trim(argv[2]);
    argv++;
    argc--;
    if (argc < 3) {
      usage();
    }
  }
  arnam = argv[2];
  namv = argv + 3;
  namc = argc - 3;
  if (comfun == NULL && !flg['s' - 'a']) {
    fprintf(stderr, "ar: one of [%ss] must be specified\n", com);
    done(1);
  }
  res = 0;
  if (comfun != NULL) {
    (*comfun)();
    res = notFound();
    unlinkTempFiles();
    if (res != 0) {
      return res;
    }
  }
  if (flg['s' - 'a'] ||
      (cmdCanChangeSymbols() && hasSymbols(arnam))) {
    res = updateSymbols(arnam, flg['v' - 'a']);
  }
  return res;
}

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[/] [eco32/] [trunk/] [binutils/] [ar/] [ar.c] - Blame information for rev 157

Line No.	Rev	Author	Line
1	7	hellwig	`/*`
2			`* ar.c -- archiver`
3			`*/`
4
5
6			`#include <stdio.h>`
7			`#include <stdlib.h>`
8			`#include <string.h>`
9			`#include <signal.h>`
10			`#include <unistd.h>`
11			`#include <sys/stat.h>`
12			`#include <fcntl.h>`
13			`#include <time.h>`
14
15			`#include "endian.h"`
16			`#include "ranlib.h"`
17			`#include "../include/ar.h"`
18
19
20			`/**************************************************************/`
21
22
23			`#define BUFSIZE 512`
24
25			`#define SKIP 0x01`
26			`#define IODD 0x02`
27			`#define OODD 0x04`
28			`#define HEAD 0x08`
29
30
31			`char *com = "drqtpmx";`
32			`char *opt = "vuabcls";`
33
34			`int signums[] = { SIGHUP, SIGINT, SIGQUIT, 0 };`
35
36			`void (*comfun)(void);`
37			`int flg[26];`
38
39			`char *arnam;`
40			`int af;`
41
42			`char **namv;`
43			`int namc;`
44
45			`int baState;`
46			`char *posName;`
47
48			`char tmp0nam[20];`
49			`char tmp1nam[20];`
50			`char tmp2nam[20];`
51			`char *tf0nam;`
52			`char *tf1nam;`
53			`char *tf2nam;`
54			`int tf0;`
55			`int tf1;`
56			`int tf2;`
57			`int qf;`
58
59			`char *file;`
60			`char name[MAX_NAME];`
61
62			`struct stat stbuf;`
63			`ArHeader arbuf;`
64			`unsigned char buf[BUFSIZE];`
65
66
67			`/**************************************************************/`
68
69
70			`#define IFMT 070000`
71			`#define SUID 004000`
72			`#define SGID 002000`
73			`#define STXT 001000`
74			`#define ROWN 000400`
75			`#define WOWN 000200`
76			`#define XOWN 000100`
77			`#define RGRP 000040`
78			`#define WGRP 000020`
79			`#define XGRP 000010`
80			`#define ROTH 000004`
81			`#define WOTH 000002`
82			`#define XOTH 000001`
83
84
85			`int m1[] = { 1, ROWN, 'r', '-' };`
86			`int m2[] = { 1, WOWN, 'w', '-' };`
87			`int m3[] = { 2, SUID, 's', XOWN, 'x', '-' };`
88			`int m4[] = { 1, RGRP, 'r', '-' };`
89			`int m5[] = { 1, WGRP, 'w', '-' };`
90			`int m6[] = { 2, SGID, 's', XGRP, 'x', '-' };`
91			`int m7[] = { 1, ROTH, 'r', '-' };`
92			`int m8[] = { 1, WOTH, 'w', '-' };`
93			`int m9[] = { 2, STXT, 't', XOTH, 'x', '-' };`
94
95			`int *m[] = { m1, m2, m3, m4, m5, m6, m7, m8, m9 };`
96
97
98			`void selectChar(int *pairp) {`
99			`int *ap;`
100			`int n;`
101
102			`ap = pairp;`
103			`n = *ap++;`
104			`while (--n >= 0 && (arbuf.mode & *ap++) == 0) {`
105			`ap++;`
106			`}`
107			`putchar(*ap);`
108			`}`
109
110
111			`void printMode(void) {`
112			`int **mp;`
113
114			`for (mp = &m[0]; mp < &m[9]; mp++) {`
115			`selectChar(*mp);`
116			`}`
117			`}`
118
119
120			`void showAttributes(void) {`
121			`char *cp;`
122
123			`printMode();`
124			`printf("%4d/%4d", arbuf.uid, arbuf.gid);`
125			`printf("%8ld", arbuf.size);`
126			`cp = ctime(&arbuf.date);`
127			`printf(" %-12.12s %-4.4s ", cp + 4, cp + 20);`
128			`}`
129
130
131			`/**************************************************************/`
132
133
134			`void mesg(int c) {`
135			`if (flg['v' - 'a']) {`
136			`printf("%c - %s\n", c, file);`
137			`}`
138			`}`
139
140
141			`char trim(char s) {`
142			`char *p1;`
143			`char *p2;`
144
145			`for (p1 = s; *p1 != '\0'; p1++) ;`
146			`while (p1 > s) {`
147			`if (*--p1 != '/') {`
148			`break;`
149			`}`
150			`*p1 = '\0';`
151			`}`
152			`p2 = s;`
153			`for (p1 = s; *p1 != '\0'; p1++) {`
154			`if (*p1 == '/') {`
155			`p2 = p1 + 1;`
156			`}`
157			`}`
158			`return p2;`
159			`}`
160
161
162			`int notFound(void) {`
163			`int n;`
164			`int i;`
165
166			`n = 0;`
167			`for (i = 0; i < namc; i++) {`
168			`if (namv[i] != NULL) {`
169			`fprintf(stderr, "ar: %s not found\n", namv[i]);`
170			`n++;`
171			`}`
172			`}`
173			`return n;`
174			`}`
175
176
177			`int moreFiles(void) {`
178			`int n;`
179			`int i;`
180
181			`n = 0;`
182			`for (i = 0; i < namc; i++) {`
183			`if (namv[i] != NULL) {`
184			`n++;`
185			`}`
186			`}`
187			`return n;`
188			`}`
189
190
191			`void unlinkTempFiles(void) {`
192			`if (tf0nam != NULL) {`
193			`unlink(tf0nam);`
194			`}`
195			`if (tf1nam != NULL) {`
196			`unlink(tf1nam);`
197			`}`
198			`if (tf2nam != NULL) {`
199			`unlink(tf2nam);`
200			`}`
201			`}`
202
203
204			`void done(int c) {`
205			`unlinkTempFiles();`
206			`exit(c);`
207			`}`
208
209
210			`void sigDone(int signum) {`
211			`done(100);`
212			`}`
213
214
215			`void noArchive(void) {`
216			`fprintf(stderr, "ar: %s does not exist\n", arnam);`
217			`done(1);`
218			`}`
219
220
221			`void writeError(void) {`
222			`perror("ar write error");`
223			`done(1);`
224			`}`
225
226
227			`void phaseError(void) {`
228			`fprintf(stderr, "ar: phase error on %s\n", file);`
229			`}`
230
231
232			`int stats(void) {`
233			`int f;`
234
235			`f = open(file, O_RDONLY);`
236			`if (f < 0) {`
237			`return f;`
238			`}`
239			`if (fstat(f, &stbuf) < 0) {`
240			`close(f);`
241			`return -1;`
242			`}`
243			`return f;`
244			`}`
245
246
247			`int match(void) {`
248			`int i;`
249
250			`for (i = 0; i < namc; i++) {`
251			`if (namv[i] == NULL) {`
252			`continue;`
253			`}`
254			`if (strcmp(trim(namv[i]), file) == 0) {`
255			`file = namv[i];`
256			`namv[i] = NULL;`
257			`return 1;`
258			`}`
259			`}`
260			`return 0;`
261			`}`
262
263
264			`void baMatch(void) {`
265			`int f;`
266
267			`if (baState == 1) {`
268			`if (strcmp(file, posName) != 0) {`
269			`return;`
270			`}`
271			`baState = 2;`
272			`if (flg['a' - 'a']) {`
273			`return;`
274			`}`
275			`}`
276			`if (baState == 2) {`
277			`baState = 0;`
278			`tf1nam = mktemp(tmp1nam);`
279			`close(creat(tf1nam, 0600));`
280			`f = open(tf1nam, O_RDWR);`
281			`if (f < 0) {`
282			`fprintf(stderr, "ar: cannot create second temp file\n");`
283			`return;`
284			`}`
285			`tf1 = tf0;`
286			`tf0 = f;`
287			`}`
288			`}`
289
290
291			`/**************************************************************/`
292
293
294			`void init(void) {`
295			`unsigned int mbuf;`
296
297			`write4ToEco((unsigned char *) &mbuf, AR_MAGIC);`
298			`tf0nam = mktemp(tmp0nam);`
299			`close(creat(tf0nam, 0600));`
300			`tf0 = open(tf0nam, O_RDWR);`
301			`if (tf0 < 0) {`
302			`fprintf(stderr, "ar: cannot create temp file\n");`
303			`done(1);`
304			`}`
305			`if (write(tf0, &mbuf, sizeof(mbuf)) != sizeof(mbuf)) {`
306			`writeError();`
307			`}`
308			`}`
309
310
311			`int getArchive(void) {`
312			`unsigned int mbuf;`
313
314			`af = open(arnam, O_RDONLY);`
315			`if (af < 0) {`
316			`return 1;`
317			`}`
318			`if (read(af, &mbuf, sizeof(mbuf)) != sizeof(mbuf) \|\|`
319			`read4FromEco((unsigned char *) &mbuf) != AR_MAGIC) {`
320			`fprintf(stderr, "ar: %s not in archive format\n", arnam);`
321			`done(1);`
322			`}`
323			`return 0;`
324			`}`
325
326
327			`void getQuick(void) {`
328			`unsigned int mbuf;`
329
330			`qf = open(arnam, O_RDWR);`
331			`if (qf < 0) {`
332			`if (!flg['c' - 'a']) {`
333			`fprintf(stderr, "ar: creating %s\n", arnam);`
334			`}`
335			`close(creat(arnam, 0666));`
336			`qf = open(arnam, O_RDWR);`
337			`if (qf < 0) {`
338			`fprintf(stderr, "ar: cannot create %s\n", arnam);`
339			`done(1);`
340			`}`
341			`write4ToEco((unsigned char *) &mbuf, AR_MAGIC);`
342			`if (write(qf, &mbuf, sizeof(mbuf)) != sizeof(mbuf)) {`
343			`writeError();`
344			`}`
345			`} else`
346			`if (read(qf, &mbuf, sizeof(mbuf)) != sizeof(mbuf) \|\|`
347			`read4FromEco((unsigned char *) &mbuf) != AR_MAGIC) {`
348			`fprintf(stderr, "ar: %s not in archive format\n", arnam);`
349			`done(1);`
350			`}`
351			`}`
352
353
354			`int getMember(void) {`
355			`int i;`
356
357			`i = read(af, &arbuf, sizeof(arbuf));`
358			`if (i != sizeof(arbuf)) {`
359			`if (tf1nam != NULL) {`
360			`i = tf0;`
361			`tf0 = tf1;`
362			`tf1 = i;`
363			`}`
364			`return 1;`
365			`}`
366			`conv4FromEcoToNative((unsigned char *) &arbuf.date);`
367			`conv4FromEcoToNative((unsigned char *) &arbuf.uid);`
368			`conv4FromEcoToNative((unsigned char *) &arbuf.gid);`
369			`conv4FromEcoToNative((unsigned char *) &arbuf.mode);`
370			`conv4FromEcoToNative((unsigned char *) &arbuf.size);`
371			`for (i = 0; i < MAX_NAME; i++) {`
372			`name[i] = arbuf.name[i];`
373			`}`
374			`file = name;`
375			`return 0;`
376			`}`
377
378
379			`void copyFile(int fi, int fo, int flags) {`
380			`int pe;`
381			`int icount, ocount;`
382			`int pad;`
383
384			`if (flags & HEAD) {`
385			`conv4FromNativeToEco((unsigned char *) &arbuf.date);`
386			`conv4FromNativeToEco((unsigned char *) &arbuf.uid);`
387			`conv4FromNativeToEco((unsigned char *) &arbuf.gid);`
388			`conv4FromNativeToEco((unsigned char *) &arbuf.mode);`
389			`conv4FromNativeToEco((unsigned char *) &arbuf.size);`
390			`if (write(fo, &arbuf, sizeof(arbuf)) != sizeof(arbuf)) {`
391			`writeError();`
392			`}`
393			`conv4FromEcoToNative((unsigned char *) &arbuf.date);`
394			`conv4FromEcoToNative((unsigned char *) &arbuf.uid);`
395			`conv4FromEcoToNative((unsigned char *) &arbuf.gid);`
396			`conv4FromEcoToNative((unsigned char *) &arbuf.mode);`
397			`conv4FromEcoToNative((unsigned char *) &arbuf.size);`
398			`}`
399			`pe = 0;`
400			`while (arbuf.size > 0) {`
401			`icount = ocount = BUFSIZE;`
402			`if (arbuf.size < icount) {`
403			`icount = ocount = arbuf.size;`
404			`pad = -icount & 0x03;`
405			`if (flags & IODD) {`
406			`icount += pad;`
407			`}`
408			`if (flags & OODD) {`
409			`ocount += pad;`
410			`}`
411			`}`
412			`if (read(fi, buf, icount) != icount) {`
413			`pe++;`
414			`}`
415			`if ((flags & SKIP) == 0) {`
416			`if (write(fo, buf, ocount) != ocount) {`
417			`writeError();`
418			`}`
419			`}`
420			`arbuf.size -= BUFSIZE;`
421			`}`
422			`if (pe != 0) {`
423			`phaseError();`
424			`}`
425			`}`
426
427
428			`void moveFile(int f) {`
429			`char *cp;`
430			`int i;`
431
432			`cp = trim(file);`
433			`for (i = 0; i < MAX_NAME; i++) {`
434			`if ((arbuf.name[i] = *cp) != '\0') {`
435			`cp++;`
436			`}`
437			`}`
438			`arbuf.size = stbuf.st_size;`
439			`arbuf.date = stbuf.st_mtime;`
440			`arbuf.uid = stbuf.st_uid;`
441			`arbuf.gid = stbuf.st_gid;`
442			`arbuf.mode = stbuf.st_mode;`
443			`copyFile(f, tf0, OODD \| HEAD);`
444			`close(f);`
445			`}`
446
447
448			`void install(void) {`
449			`int i;`
450
451			`for (i = 0; signums[i] != 0; i++) {`
452			`signal(signums[i], SIG_IGN);`
453			`}`
454			`if (af < 0) {`
455			`if (!flg['c' - 'a']) {`
456			`fprintf(stderr, "ar: creating %s\n", arnam);`
457			`}`
458			`}`
459			`close(af);`
460			`af = creat(arnam, 0666);`
461			`if (af < 0) {`
462			`fprintf(stderr, "ar: cannot create %s\n", arnam);`
463			`done(1);`
464			`}`
465			`if (tf0nam != NULL) {`
466			`lseek(tf0, 0, SEEK_SET);`
467			`while ((i = read(tf0, buf, BUFSIZE)) > 0) {`
468			`if (write(af, buf, i) != i) {`
469			`writeError();`
470			`}`
471			`}`
472			`}`
473			`if (tf2nam != NULL) {`
474			`lseek(tf2, 0, SEEK_SET);`
475			`while ((i = read(tf2, buf, BUFSIZE)) > 0) {`
476			`if (write(af, buf, i) != i) {`
477			`writeError();`
478			`}`
479			`}`
480			`}`
481			`if (tf1nam != NULL) {`
482			`lseek(tf1, 0, SEEK_SET);`
483			`while ((i = read(tf1, buf, BUFSIZE)) > 0) {`
484			`if (write(af, buf, i) != i) {`
485			`writeError();`
486			`}`
487			`}`
488			`}`
489			`}`
490
491
492			`void cleanup(void) {`
493			`int i;`
494			`int f;`
495
496			`for (i = 0; i < namc; i++) {`
497			`file = namv[i];`
498			`if (file == NULL) {`
499			`continue;`
500			`}`
501			`namv[i] = NULL;`
502			`mesg('a');`
503			`f = stats();`
504			`if (f < 0) {`
505			`fprintf(stderr, "ar: cannot open %s\n", file);`
506			`continue;`
507			`}`
508			`moveFile(f);`
509			`}`
510			`}`
511
512
513			`/**************************************************************/`
514
515
516			`void dCmd(void) {`
517			`init();`
518			`if (getArchive()) {`
519			`noArchive();`
520			`}`
521			`while (!getMember()) {`
522			`if (match()) {`
523			`mesg('d');`
524			`copyFile(af, -1, IODD \| SKIP);`
525			`continue;`
526			`}`
527			`mesg('c');`
528			`copyFile(af, tf0, IODD \| OODD \| HEAD);`
529			`}`
530			`install();`
531			`}`
532
533
534			`void rCmd(void) {`
535			`int f;`
536
537			`init();`
538			`getArchive();`
539			`while (!getMember()) {`
540			`baMatch();`
541			`if (namc == 0 \|\| match()) {`
542			`f = stats();`
543			`if (f < 0) {`
544			`if (namc != 0) {`
545			`fprintf(stderr, "ar: cannot open %s\n", file);`
546			`}`
547			`goto cp;`
548			`}`
549			`if (flg['u' - 'a']) {`
550			`if (stbuf.st_mtime <= arbuf.date) {`
551			`close(f);`
552			`goto cp;`
553			`}`
554			`}`
555			`mesg('r');`
556			`copyFile(af, -1, IODD \| SKIP);`
557			`moveFile(f);`
558			`continue;`
559			`}`
560			`cp:`
561			`mesg('c');`
562			`copyFile(af, tf0, IODD \| OODD \| HEAD);`
563			`}`
564			`cleanup();`
565			`install();`
566			`}`
567
568
569			`void qCmd(void) {`
570			`int i;`
571			`int f;`
572
573			`if (flg['a' - 'a'] \|\| flg['b' - 'a']) {`
574			`fprintf(stderr, "ar: [ab] not allowed with -q\n");`
575			`done(1);`
576			`}`
577			`getQuick();`
578			`for (i = 0; signums[i] != 0; i++) {`
579			`signal(signums[i], SIG_IGN);`
580			`}`
581			`lseek(qf, 0, SEEK_END);`
582			`for (i = 0; i < namc; i++) {`
583			`file = namv[i];`
584			`if (file == NULL) {`
585			`continue;`
586			`}`
587			`namv[i] = NULL;`
588			`mesg('q');`
589			`f = stats();`
590			`if (f < 0) {`
591			`fprintf(stderr, "ar: cannot open %s\n", file);`
592			`continue;`
593			`}`
594			`tf0 = qf;`
595			`moveFile(f);`
596			`qf = tf0;`
597			`}`
598			`}`
599
600
601			`void tCmd(void) {`
602			`if (getArchive()) {`
603			`noArchive();`
604			`}`
605			`while (!getMember()) {`
606			`if (namc == 0 \|\| match()) {`
607			`if (flg['v' - 'a']) {`
608			`showAttributes();`
609			`}`
610			`printf("%s\n", trim(file));`
611			`}`
612			`copyFile(af, -1, IODD \| SKIP);`
613			`}`
614			`}`
615
616
617			`void pCmd(void) {`
618			`if (getArchive()) {`
619			`noArchive();`
620			`}`
621			`while (!getMember()) {`
622			`if (namc == 0 \|\| match()) {`
623			`if (flg['v' - 'a']) {`
624			`printf("\n<%s>\n\n", file);`
625			`fflush(stdout);`
626			`}`
627			`copyFile(af, 1, IODD);`
628			`continue;`
629			`}`
630			`copyFile(af, -1, IODD \| SKIP);`
631			`}`
632			`}`
633
634
635			`void mCmd(void) {`
636			`init();`
637			`if (getArchive()) {`
638			`noArchive();`
639			`}`
640			`tf2nam = mktemp(tmp2nam);`
641			`close(creat(tf2nam, 0600));`
642			`tf2 = open(tf2nam, O_RDWR);`
643			`if (tf2 < 0) {`
644			`fprintf(stderr, "ar: cannot create third temp file\n");`
645			`done(1);`
646			`}`
647			`while (!getMember()) {`
648			`baMatch();`
649			`if (match()) {`
650			`mesg('m');`
651			`copyFile(af, tf2, IODD \| OODD \| HEAD);`
652			`continue;`
653			`}`
654			`mesg('c');`
655			`copyFile(af, tf0, IODD \| OODD \| HEAD);`
656			`}`
657			`install();`
658			`}`
659
660
661			`void xCmd(void) {`
662			`int f;`
663
664			`if (getArchive()) {`
665			`noArchive();`
666			`}`
667			`while (!getMember()) {`
668			`if (namc == 0 \|\| match()) {`
669			`f = creat(file, arbuf.mode & 0777);`
670			`if (f < 0) {`
671			`fprintf(stderr, "ar: cannot create %s\n", file);`
672			`goto sk;`
673			`}`
674			`mesg('x');`
675			`copyFile(af, f, IODD);`
676			`close(f);`
677			`continue;`
678			`}`
679			`sk:`
680			`mesg('c');`
681			`copyFile(af, -1, IODD \| SKIP);`
682			`if (namc > 0 && !moreFiles()) {`
683			`done(0);`
684			`}`
685			`}`
686			`}`
687
688
689			`/**************************************************************/`
690
691			`/* specialized r command for updating symbols */`
692
693
694			`int exec_rCmd(int create, char *args[]) {`
695			`int i;`
696			`int res;`
697
698			`/* reset all global variables */`
699			`comfun = NULL;`
700			`for (i = 0; i < 26; i++) {`
701			`flg[i] = 0;`
702			`}`
703			`arnam = NULL;`
704			`af = 0;`
705			`namv = NULL;`
706			`namc = 0;`
707			`baState = 0;`
708			`posName = NULL;`
709			`for (i = 0; i < 20; i++) {`
710			`tmp0nam[i] = '\0';`
711			`tmp1nam[i] = '\0';`
712			`tmp2nam[i] = '\0';`
713			`}`
714			`tf0nam = NULL;`
715			`tf1nam = NULL;`
716			`tf2nam = NULL;`
717			`tf0 = 0;`
718			`tf1 = 0;`
719			`tf2 = 0;`
720			`qf = 0;`
721			`file = NULL;`
722			`for (i = 0; i < MAX_NAME; i++) {`
723			`name[i] = '\0';`
724			`}`
725			`/* prepare arguments, call r command, cleanup */`
726			`comfun = rCmd;`
727			`flg['l' - 'a'] = 1;`
728			`strcpy(tmp0nam, "v0XXXXXX");`
729			`strcpy(tmp1nam, "v1XXXXXX");`
730			`strcpy(tmp2nam, "v2XXXXXX");`
731			`if (create) {`
732			`/* ar -rlb firstName archive TEMP_NAME */`
733			`flg['b' - 'a'] = 1;`
734			`baState = 1;`
735			`posName = trim(args[0]);`
736			`arnam = args[1];`
737			`namv = &args[2];`
738			`namc = 1;`
739			`} else {`
740			`/* ar -rl archive TEMP_NAME */`
741			`arnam = args[0];`
742			`namv = &args[1];`
743			`namc = 1;`
744			`}`
745			`(*comfun)();`
746			`res = notFound();`
747			`unlinkTempFiles();`
748			`return res;`
749			`}`
750
751
752			`/**************************************************************/`
753
754
755			`void usage(void) {`
756			`printf("usage: ar -[%s][%s] archive files ...\n", com, opt);`
757			`done(1);`
758			`}`
759
760
761			`void setcom(void (*fun)(void)) {`
762			`if (comfun != NULL) {`
763			`fprintf(stderr, "ar: only one of [%s] allowed\n", com);`
764			`done(1);`
765			`}`
766			`comfun = fun;`
767			`}`
768
769
770			`int cmdCanChangeSymbols(void) {`
771			`return comfun == dCmd \|\|`
772			`comfun == rCmd \|\|`
773			`comfun == mCmd;`
774			`}`
775
776
777			`int main(int argc, char *argv[]) {`
778			`int i;`
779			`char *cp;`
780			`int res;`
781
782			`for (i = 0; signums[i] != 0; i++) {`
783			`if (signal(signums[i], SIG_IGN) != SIG_IGN) {`
784			`signal(signums[i], sigDone);`
785			`}`
786			`}`
787			`strcpy(tmp0nam, "/tmp/v0XXXXXX");`
788			`strcpy(tmp1nam, "/tmp/v1XXXXXX");`
789			`strcpy(tmp2nam, "/tmp/v2XXXXXX");`
790			`if (argc < 3 \|\| *argv[1] != '-') {`
791			`usage();`
792			`}`
793			`for (cp = argv[1] + 1; *cp != '\0'; cp++) {`
794			`switch (*cp) {`
795			`case 'd':`
796			`setcom(dCmd);`
797			`break;`
798			`case 'r':`
799			`setcom(rCmd);`
800			`break;`
801			`case 'q':`
802			`setcom(qCmd);`
803			`break;`
804			`case 't':`
805			`setcom(tCmd);`
806			`break;`
807			`case 'p':`
808			`setcom(pCmd);`
809			`break;`
810			`case 'm':`
811			`setcom(mCmd);`
812			`break;`
813			`case 'x':`
814			`setcom(xCmd);`
815			`break;`
816			`case 'v':`
817			`case 'u':`
818			`case 'a':`
819			`case 'b':`
820			`case 'c':`
821			`case 'l':`
822			`case 's':`
823			`flg[*cp - 'a'] = 1;`
824			`break;`
825			`default:`
826			`fprintf(stderr, "ar: bad option '%c'\n", *cp);`
827			`done(1);`
828			`}`
829			`}`
830			`if (flg['l' - 'a']) {`
831			`strcpy(tmp0nam, "v0XXXXXX");`
832			`strcpy(tmp1nam, "v1XXXXXX");`
833			`strcpy(tmp2nam, "v2XXXXXX");`
834			`}`
835			`if (flg['a' - 'a'] \|\| flg['b' - 'a']) {`
836			`baState = 1;`
837			`posName = trim(argv[2]);`
838			`argv++;`
839			`argc--;`
840			`if (argc < 3) {`
841			`usage();`
842			`}`
843			`}`
844			`arnam = argv[2];`
845			`namv = argv + 3;`
846			`namc = argc - 3;`
847			`if (comfun == NULL && !flg['s' - 'a']) {`
848			`fprintf(stderr, "ar: one of [%ss] must be specified\n", com);`
849			`done(1);`
850			`}`
851			`res = 0;`
852			`if (comfun != NULL) {`
853			`(*comfun)();`
854			`res = notFound();`
855			`unlinkTempFiles();`
856			`if (res != 0) {`
857			`return res;`
858			`}`
859			`}`
860			`if (flg['s' - 'a'] \|\|`
861			`(cmdCanChangeSymbols() && hasSymbols(arnam))) {`
862			`res = updateSymbols(arnam, flg['v' - 'a']);`
863			`}`
864			`return res;`
865			`}`