int
build(void)
{
CF cf;
int afd, tfd;
int current_mid;
off_t size;
current_mid = -1;
afd = open_archive(O_RDWR);
fp = fdopen(afd, "r+");
tfd = tmp();
SETCF(afd, archive, tfd, tname, RPAD|WPAD);
/* Read through the archive, creating list of symbols. */
symcnt = tsymlen = 0;
pnext = &rhead;
while(get_arobj(afd)) {
int new_mid;
if (!strcmp(chdr.name, RANLIBMAG)) {
skip_arobj(afd);
continue;
}
new_mid = rexec(afd, tfd);
if (new_mid != -1) {
if (current_mid == -1)
current_mid = new_mid;
else if (new_mid != current_mid)
errx(1, "Mixed object format archive: %d / %d",
new_mid, current_mid);
}
put_arobj(&cf, (struct stat *)NULL);
}
*pnext = NULL;
/* Create the symbol table. Endianess the same as last mid seen */
symobj(current_mid);
/* Copy the saved objects into the archive. */
size = lseek(tfd, (off_t)0, SEEK_CUR);
(void)lseek(tfd, (off_t)0, SEEK_SET);
SETCF(tfd, tname, afd, archive, NOPAD);
copy_ar(&cf, size);
(void)ftruncate(afd, lseek(afd, (off_t)0, SEEK_CUR));
(void)close(tfd);
/* Set the time. */
settime(afd);
close_archive(afd);
return(0);
}
/*
* print --
* Prints archive members on stdout - if member names given only
* print those members, otherwise print all members.
*/
int
print(char **argv)
{
off_t size;
CF cf;
FILE *afp;
char *file;
int all;
afp = open_archive(O_RDONLY);
/* Read from an archive, write to stdout; pad on read. */
SETCF(afp, archive, stdout, "stdout", 0);
for (all = !*argv; get_arobj(afp);) {
if (!strncmp(chdr.name, AR_NAMTAB, sizeof(AR_NAMTAB) - 1)) {
size = ftello(afp);
get_namtab(afp);
(void)fseeko(afp, size, SEEK_SET);
skip_arobj(afp);
continue;
}
if (all)
file = chdr.name;
else if (!(file = files(argv))) {
skip_arobj(afp);
continue;
}
if (options & AR_V) {
(void)printf("\n<%s>\n\n", file);
(void)fflush(stdout);
}
copy_ar(&cf, chdr.size);
if (!all && !*argv)
break;
}
close_archive(afp);
if (*argv) {
orphans(argv);
return (1);
}
return (0);
}
build()
{
CF cf;
int afd, tfd;
off_t size;
afd = open_archive(O_RDWR);
fp = fdopen(afd, "r+");
tfd = tmp();
SETCF(afd, archive, tfd, tname, RPAD|WPAD);
/* Read through the archive, creating list of symbols. */
pnext = &rhead;
while(get_arobj(afd)) {
if (!strcmp(chdr.name, RANLIBMAG)) {
skip_arobj(afd);
continue;
}
rexec(afd, tfd);
put_arobj(&cf, (struct stat *)NULL);
}
*pnext = NULL;
/* Create the symbol table. */
symobj();
/* Copy the saved objects into the archive. */
size = lseek(tfd, (off_t)0, SEEK_CUR);
(void)lseek(tfd, (off_t)0, SEEK_SET);
SETCF(tfd, tname, afd, archive, RPAD|WPAD);
copy_ar(&cf, size);
(void)ftruncate(afd, lseek(afd, (off_t)0, SEEK_CUR));
(void)close(tfd);
/* Set the time. */
settime(afd);
close_archive(afd);
return(0);
}
int
do_ranlib(void)
{
CF cf;
off_t size;
FILE *afp, *tfp;
long symcnt; /* symbol count */
long tsymlen; /* total string length */
int i, current_mid;
current_mid = -1;
afp = open_archive(O_RDWR);
tfp = tmp();
SETCF(afp, archive, tfp, tname, 0);
/* Read through the archive, creating list of symbols. */
symcnt = tsymlen = 0;
ntsize = 0;
r_fuzz = SARMAG;
pnext = &rhead;
while(get_arobj(afp)) {
int new_mid;
if (!strncmp(chdr.name, AR_NAMTAB, sizeof(AR_NAMTAB) - 1)) {
size = ftello(afp);
get_namtab(afp);
ntsize = chdr.size + sizeof(struct ar_hdr);
(void)fseeko(afp, size, SEEK_SET);
r_fuzz += skip_arobj(afp);
continue;
}
if (!strncmp(chdr.name, RANLIBMAG, sizeof(RANLIBMAG) - 1) ||
!strncmp(chdr.name, RANLIBMAG2, sizeof(RANLIBMAG2) - 1)) {
r_fuzz += skip_arobj(afp);
continue;
}
new_mid = read_exec(afp, tfp, &symcnt, &tsymlen);
if (new_mid != -1) {
if (current_mid == -1)
current_mid = new_mid;
else if (new_mid != current_mid)
errx(1, "mixed object format archive: %x / %x",
new_mid, current_mid);
}
put_arobj(&cf, NULL);
}
*pnext = NULL;
SETCF(tfp, tname, afp, archive, NOPAD);
/* Create the symbol table. Endianess the same as last mid seen */
symobj(afp, current_mid, symcnt, tsymlen);
put_nametab(&cf);
/* Copy the saved objects into the archive. */
size = ftello(tfp);
rewind(tfp);
copy_ar(&cf, size);
fflush(afp);
(void)ftruncate(fileno(afp), ftello(afp));
(void)fclose(tfp);
/* Set the time. */
settime(afp);
close_archive(afp);
return(0);
}
/*
* replace --
* Replace or add named members to archive. Entries already in the
* archive are swapped in place. Others are added before or after
* the key entry, based on the a, b and i options. If the u option
* is specified, modification dates select for replacement.
*/
int
replace(char **argv)
{
char *file;
int afd, curfd, errflg, exists, mods, sfd, tfd1, tfd2;
struct stat sb;
CF cf;
off_t size, tsize;
errflg = 0;
/*
* If doesn't exist, simply append to the archive. There's
* a race here, but it's pretty short, and not worth fixing.
*/
exists = !stat(archive, &sb);
afd = open_archive(O_CREAT|O_RDWR);
if (!exists) {
tfd1 = -1;
tfd2 = tmp();
goto append;
}
tfd1 = tmp(); /* Files before key file. */
tfd2 = tmp(); /* Files after key file. */
/*
* Break archive into two parts -- entries before and after the key
* entry. If positioning before the key, place the key at the
* beginning of the after key entries and if positioning after the
* key, place the key at the end of the before key entries. Put it
* all back together at the end.
*/
mods = (options & (AR_A|AR_B));
for (curfd = tfd1; get_arobj(afd);) {
if (*argv && (file = files(argv))) {
if ((sfd = open(file, O_RDONLY)) < 0) {
errflg = 1;
warn("%s", file);
goto useold;
}
(void)fstat(sfd, &sb);
if (options & AR_U && sb.st_mtime <= chdr.date) {
close(sfd);
goto useold;
}
if (options & AR_V)
(void)printf("r - %s\n", file);
/* Read from disk, write to an archive; pad on write */
SETCF(sfd, file, curfd, tname, WPAD);
put_arobj(&cf, &sb);
(void)close(sfd);
skip_arobj(afd);
continue;
}
if (mods && compare(posname)) {
mods = 0;
if (options & AR_B)
curfd = tfd2;
/* Read and write to an archive; pad on both. */
SETCF(afd, archive, curfd, tname, RPAD|WPAD);
put_arobj(&cf, NULL);
if (options & AR_A)
curfd = tfd2;
} else {
/* Read and write to an archive; pad on both. */
useold: SETCF(afd, archive, curfd, tname, RPAD|WPAD);
put_arobj(&cf, NULL);
}
}
if (mods) {
warnx("%s: archive member not found", posarg);
close_archive(afd);
return (1);
}
/* Append any left-over arguments to the end of the after file. */
append: while ((file = *argv++)) {
if (options & AR_V)
(void)printf("a - %s\n", file);
if ((sfd = open(file, O_RDONLY)) < 0) {
errflg = 1;
warn("%s", file);
continue;
}
(void)fstat(sfd, &sb);
/* Read from disk, write to an archive; pad on write. */
SETCF(sfd, file,
options & (AR_A|AR_B) ? tfd1 : tfd2, tname, WPAD);
put_arobj(&cf, &sb);
(void)close(sfd);
}
(void)lseek(afd, (off_t)SARMAG, SEEK_SET);
SETCF(tfd1, tname, afd, archive, NOPAD);
if (tfd1 != -1) {
tsize = size = lseek(tfd1, (off_t)0, SEEK_CUR);
(void)lseek(tfd1, (off_t)0, SEEK_SET);
copy_ar(&cf, size);
} else
tsize = 0;
tsize += size = lseek(tfd2, (off_t)0, SEEK_CUR);
(void)lseek(tfd2, (off_t)0, SEEK_SET);
cf.rfd = tfd2;
copy_ar(&cf, size);
(void)ftruncate(afd, tsize + SARMAG);
close_archive(afd);
return (errflg);
}
/*
* extract --
* Extract files from the named archive - if member names given only
* extract those members otherwise extract all members. If 'o' option
* selected modify date of newly created file to be same as archive
* members date otherwise date is time of extraction. Does not modify
* archive.
*/
int
extract(char **argv)
{
struct timeval tv[2];
struct stat sb;
CF cf;
off_t size;
FILE *afp;
char *file;
int all, eval, tfd;
eval = 0;
tv[0].tv_usec = tv[1].tv_usec = 0;
afp = open_archive(O_RDONLY);
/* Read from an archive, write to disk; pad on read. */
SETCF(afp, archive, 0, 0, 0);
for (all = !*argv; get_arobj(afp);) {
if (!strncmp(chdr.name, AR_NAMTAB, sizeof(AR_NAMTAB) - 1)) {
size = ftello(afp);
get_namtab(afp);
(void)fseeko(afp, size, SEEK_SET);
skip_arobj(afp);
continue;
}
if (all)
file = chdr.name;
else if (!(file = files(argv))) {
skip_arobj(afp);
continue;
}
if (options & AR_U && !stat(file, &sb) &&
sb.st_mtime > chdr.date)
continue;
if (options & AR_CC) {
/* -C means do not overwrite existing files */
if ((tfd = open(file, O_WRONLY|O_CREAT|O_EXCL,
S_IWUSR)) < 0) {
skip_arobj(afp);
eval = 1;
continue;
}
} else {
if ((tfd = open(file, O_WRONLY|O_CREAT|O_TRUNC,
S_IWUSR)) < 0) {
warn("open: %s", file);
skip_arobj(afp);
eval = 1;
continue;
}
}
if (options & AR_V)
(void)printf("x - %s\n", file);
if (!(cf.wfp = fdopen(tfd, "w")))
err(1, "fdopen: %s", file);
cf.wname = file;
copy_ar(&cf, chdr.size);
if (fchmod(tfd, (mode_t)chdr.mode)) {
warn("chmod: %s", file);
eval = 1;
}
if (options & AR_O) {
tv[0].tv_sec = tv[1].tv_sec = chdr.date;
if (futimes(tfd, tv)) {
warn("utimes: %s", file);
eval = 1;
}
}
(void)fclose(cf.wfp);
if (!all && !*argv)
break;
}
close_archive(afp);
if (*argv) {
orphans(argv);
return (1);
}
return (0);
}
