- printf("usage: ar [%s][%s] archive files ...\n", man, opt);
- done(1);
-}
-
-noar()
-{
-
- fprintf(stderr, "ar: %s does not exist\n", arnam);
- done(1);
-}
-
-sigdone()
-{
- done(100);
-}
-
-done(c)
-{
-
- if(tfnam)
- unlink(tfnam);
- if(tf1nam)
- unlink(tf1nam);
- if(tf2nam)
- unlink(tf2nam);
- exit(c);
-}
-
-notfound()
-{
- register i, n;
-
- n = 0;
- for(i=0; i<namc; i++)
- if(namv[i]) {
- fprintf(stderr, "ar: %s not found\n", namv[i]);
- n++;
- }
- return(n);
-}
-
-morefil()
-{
- register i, n;
-
- n = 0;
- for(i=0; i<namc; i++)
- if(namv[i])
- n++;
- return(n);
-}
-
-cleanup()
-{
- register i, f;
-
- truncate++;
- for(i=0; i<namc; i++) {
- file = namv[i];
- if(file == 0)
- continue;
- namv[i] = 0;
- mesg('a');
- f = stats();
- if(f < 0) {
- fprintf(stderr, "ar: %s cannot open\n", file);
- continue;
- }
- movefil(f);
- }
- install();
-}
-
-install()
-{
- register i;
-
- for(i=0; signum[i]; i++)
- signal(signum[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(tfnam) {
- lseek(tf, 0l, 0);
- while((i = read(tf, buf, BUFSIZ)) > 0)
- if (write(af, buf, i) != i)
- wrerr();
- }
- if(tf2nam) {
- lseek(tf2, 0l, 0);
- while((i = read(tf2, buf, BUFSIZ)) > 0)
- if (write(af, buf, i) != i)
- wrerr();
- }
- if(tf1nam) {
- lseek(tf1, 0l, 0);
- while((i = read(tf1, buf, BUFSIZ)) > 0)
- if (write(af, buf, i) != i)
- wrerr();
- }
-}
-
-/*
- * insert the file 'file'
- * into the temporary file
- */
-movefil(f)
-{
- char buf[sizeof(arbuf)+1];
-
- sprintf(buf, "%-16s%-12ld%-6u%-6u%-8o%-10ld%-2s",
- trim(file),
- stbuf.st_mtime,
- stbuf.st_uid,
- stbuf.st_gid,
- stbuf.st_mode,
- stbuf.st_size,
- ARFMAG);
- strncpy((char *)&arbuf, buf, sizeof(arbuf));
- larbuf.lar_size = stbuf.st_size;
- copyfil(f, tf, OODD+HEAD);
- close(f);
-}
-
-stats()
-{
- register f;
-
- f = open(file, 0);
- if(f < 0)
- return(f);
- if(fstat(f, &stbuf) < 0) {
- close(f);
- return(-1);
- }
- return(f);
-}
-
-/*
- * copy next file
- * size given in arbuf
- */
-copyfil(fi, fo, flag)
-{
- register i, o;
- int pe;
-
- if(flag & HEAD) {
- for (i=sizeof(arbuf.ar_name)-1; i>=0; i--) {
- if (arbuf.ar_name[i]==' ')
- continue;
- else if (arbuf.ar_name[i]=='\0')
- arbuf.ar_name[i] = ' ';
- else
- break;
- }
- if (write(fo, (char *)&arbuf, sizeof arbuf) != sizeof arbuf)
- wrerr();
- }
- pe = 0;
- while(larbuf.lar_size > 0) {
- i = o = BUFSIZ;
- if(larbuf.lar_size < i) {
- i = o = larbuf.lar_size;
- if(i&1) {
- buf[i] = '\n';
- if(flag & IODD)
- i++;
- if(flag & OODD)
- o++;
- }
- }
- if(read(fi, buf, i) != i)
- pe++;
- if((flag & SKIP) == 0)
- if (write(fo, buf, o) != o)
- wrerr();
- larbuf.lar_size -= BUFSIZ;
- }
- if(pe)
- phserr();
-}
-
-getdir()
-{
- register char *cp;
- register i;
-
- i = read(af, (char *)&arbuf, sizeof arbuf);
- if(i != sizeof arbuf) {
- if(tf1nam) {
- i = tf;
- tf = tf1;
- tf1 = i;
- }
- return(1);
- }
- if (strncmp(arbuf.ar_fmag, ARFMAG, sizeof(arbuf.ar_fmag))) {
- fprintf(stderr, "ar: malformed archive (at %ld)\n", lseek(af, 0L, 1));
- done(1);
- }
- cp = arbuf.ar_name + sizeof(arbuf.ar_name);
- while (*--cp==' ')
- ;
- *++cp = '\0';
- strncpy(name, arbuf.ar_name, sizeof(arbuf.ar_name));
- file = name;
- strncpy(larbuf.lar_name, name, sizeof(larbuf.lar_name));
- sscanf(arbuf.ar_date, "%ld", &larbuf.lar_date);
- sscanf(arbuf.ar_uid, "%hd", &larbuf.lar_uid);
- sscanf(arbuf.ar_gid, "%hd", &larbuf.lar_gid);
- sscanf(arbuf.ar_mode, "%ho", &larbuf.lar_mode);
- sscanf(arbuf.ar_size, "%ld", &larbuf.lar_size);
- return(0);
-}
-
-match()
-{
- register i;
-
- for(i=0; i<namc; i++) {
- if(namv[i] == 0)
- continue;
- if(strcmp(trim(namv[i]), file) == 0) {
- file = namv[i];
- namv[i] = 0;
- return(1);
- }
- }
- return(0);
-}
-
-bamatch()
-{
- register f;
-
- switch(bastate) {
-
- case 1:
- if(strcmp(file, ponam) != 0)
- return;
- bastate = 2;
- if(flg['a'-'a'])
- return;
-
- case 2:
- bastate = 0;
- tf1nam = mktemp(tmp1nam);
- close(creat(tf1nam, 0600));
- f = open(tf1nam, 2);
- if(f < 0) {
- fprintf(stderr, "ar: cannot create second temp\n");
- return;
- }
- tf1 = tf;
- tf = f;
- }
-}
-
-phserr()
-{
-
- fprintf(stderr, "ar: phase error on %s\n", file);
-}
-
-mesg(c)
-{
-
- if(flg['v'-'a'])
- if(c != 'c' || flg['v'-'a'] > 1)
- printf("%c - %s\n", c, file);
-}
-
-char *
-trim(s)
-char *s;
-{
- register char *p1, *p2;
-
- /* Strip trailing slashes */
- for(p1 = s; *p1; p1++)
- ;
- while(p1 > s) {
- if(*--p1 != '/')
- break;
- *p1 = 0;
- }
-
- /* Find last component of path; do not zap the path */
- p2 = s;
- for(p1 = s; *p1; p1++)
- if(*p1 == '/')
- p2 = p1+1;
-
- /*
- * Truncate name if too long, only if we are doing an 'add'
- * type operation. We only allow 15 cause rest of ar
- * isn't smart enough to deal with non-null terminated
- * names. Need an exit status convention...
- * Need yet another new archive format...
- */
- if (truncate && strlen(p2) > sizeof(arbuf.ar_name) - 1) {
- fprintf(stderr, "ar: filename %s truncated to ", p2);
- *(p2 + sizeof(arbuf.ar_name) - 1) = '\0';
- fprintf(stderr, "%s\n", p2);
- }
- return(p2);
-}
-
-#define IFMT 060000
-#define ISARG 01000
-#define LARGE 010000
-#define SUID 04000
-#define SGID 02000
-#define ROWN 0400
-#define WOWN 0200
-#define XOWN 0100
-#define RGRP 040
-#define WGRP 020
-#define XGRP 010
-#define ROTH 04
-#define WOTH 02
-#define XOTH 01
-#define STXT 01000
-
-longt()
-{
- register char *cp;
-
- pmode();
- printf("%3d/%1d", larbuf.lar_uid, larbuf.lar_gid);
- printf("%7ld", larbuf.lar_size);
- cp = ctime(&larbuf.lar_date);
- printf(" %-12.12s %-4.4s ", cp+4, cp+20);
-}
-
-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};
-
-pmode()
-{
- register int **mp;
-
- for (mp = &m[0]; mp < &m[9];)
- select(*mp++);
-}
-
-select(pairp)
-int *pairp;
-{
- register int n, *ap;
-
- ap = pairp;
- n = *ap++;
- while (--n>=0 && (larbuf.lar_mode&*ap++)==0)
- ap++;
- putchar(*ap);
-}
-
-wrerr()
-{
- perror("ar write error");
- done(1);
-}
projects / unix-history / blobdiff