upstream/opnsense-src
1
0
Fork 0
mirror of https://github.com/opnsense/src.git synced 2026-02-14 00:04:14 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

Close PR#2459

Browse source
This commit is contained in:
Jordan K. Hubbard 1997-02-25 07:22:23 +00:00
parent 6196d79604
commit b421849f2f
1 changed files with 13 additions and 16 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

29
usr.sbin/pkg_install/add/extract.c
View file

@ -1,5 +1,5 @@
#ifndef lint
static const char *rcsid = "$Id$";
static const char *rcsid = "$Id: extract.c,v 1.11 1997/02/22 16:09:16 peter Exp $";
#endif
/*
@ -26,16 +26,16 @@ static const char *rcsid = "$Id$";
#include "add.h"
#define STARTSTRING "tar cf -"
#define TOOBIG(str) ((strlen(str) + 6 + strlen(home) + where_count > maxargs) \
#define STARTSTRING "tar cf - "
#define TOOBIG(str) ((strlen(str) + 22 + strlen(home) + where_count > maxargs) \
|| (strlen(str) + 6 + strlen(home) + perm_count > maxargs))
#define PUSHOUT(todir) /* push out string */ \
if (strlen(where_args) > sizeof(STARTSTRING)-1) { \
if (where_count > sizeof(STARTSTRING)-1) { \
strcat(where_args, "|tar xf - -C "); \
strcat(where_args, todir); \
if (system(where_args)) \
barf("can't invoke tar pipeline"); \
barf("can not invoke %d byte tar pipeline: %s", strlen(where_args), where_args); \
strcpy(where_args, STARTSTRING); \
where_count = sizeof(STARTSTRING)-1; \
} \
@ -53,9 +53,7 @@ extract_plist(char *home, Package *pkg)
char *where_args, *perm_args, *last_chdir;
int maxargs, where_count = 0, perm_count = 0, add_count;
maxargs = sysconf(_SC_ARG_MAX);
maxargs -= 64; /* some slop for the tar cmd text,
and sh -c */
maxargs = sysconf(_SC_ARG_MAX) / 2; /* Just use half the argument space */
where_args = alloca(maxargs);
if (!where_args)
barf("can't get argument list space");
@ -97,10 +95,10 @@ extract_plist(char *home, Package *pkg)
/* first try to rename it into place */
sprintf(try, "%s/%s", Directory, p->name);
if (rename(p->name, try) == 0) {
/* try to add to list of perms to be changed,
and run in bulk. */
if (p->name[0] == '/' || TOOBIG(p->name))
/* try to add to list of perms to be changed and run in bulk. */
if (p->name[0] == '/' || TOOBIG(p->name)) {
PUSHOUT(Directory);
}
add_count = snprintf(&perm_args[perm_count],
maxargs - perm_count,
"%s ", p->name);
@ -110,11 +108,13 @@ extract_plist(char *home, Package *pkg)
}
else {
/* rename failed, try copying with a big tar command */
if (p->name[0] == '/' || TOOBIG(p->name) ||
last_chdir != Directory) {
if (last_chdir != Directory) {
PUSHOUT(last_chdir);
last_chdir = Directory;
}
else if (p->name[0] == '/' || TOOBIG(p->name)) {
PUSHOUT(Directory);
}
add_count = snprintf(&where_args[where_count],
maxargs - where_count,
" %s", p->name);
@ -127,9 +127,6 @@ extract_plist(char *home, Package *pkg)
if (add_count > maxargs - perm_count)
barf("oops, miscounted strings!");
perm_count += add_count;
if (p->name[0] == '/') {
PUSHOUT(Directory);
}
}
}
break;