Files
Arquivotheca.Solaris-2.5/lib/libpkg/pkgxpand.c
seta75D 7c4988eac0 Init
2021-10-11 19:38:01 -03:00

98 lines
2.0 KiB
C
Executable File

/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
/* The copyright notice above does not evidence any */
/* actual or intended publication of such source code. */
/*LINTLIBRARY*/
#ident "@(#)pkgxpand.c 1.8 93/03/09 SMI" /* SVr4.0 1.3.1.1 */
#include <stdio.h>
#include <limits.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <pkglib.h>
#include "pkglocale.h"
extern char *fpkginst(char *pkg, ...); /* libadm.a */
extern char *pkgdir; /* WHERE? */
#define ispkgalias(p) (*p == '+')
#define LSIZE 512
#define MALSIZ 16
char **
pkgalias(char *pkg)
{
FILE *fp;
char path[PATH_MAX], *pkginst;
char *mypkg, *myarch, *myvers, **pkglist;
char line[LSIZE];
int n, errflg;
pkglist = (char **) calloc(MALSIZ, sizeof (char *));
if (pkglist == NULL)
return ((char **) 0);
(void) sprintf(path, "%s/%s/pkgmap", pkgdir, pkg);
if ((fp = fopen(path, "r")) == NULL)
return ((char **) 0);
n = errflg = 0;
while (fgets(line, LSIZE, fp)) {
mypkg = strtok(line, " \t\n");
myarch = strtok(NULL, "( \t\n)");
myvers = strtok(NULL, "\n");
(void) fpkginst(NULL);
pkginst = fpkginst(mypkg, myarch, myvers);
if (pkginst == NULL) {
logerr(
pkg_gt("no package instance for [%s]"), mypkg);
errflg++;
continue;
}
if (errflg)
continue;
pkglist[n] = strdup(pkginst);
if ((++n % MALSIZ) == 0) {
pkglist = (char **) realloc(pkglist,
(n+MALSIZ)*sizeof (char *));
if (pkglist == NULL)
return ((char **) 0);
}
}
pkglist[n] = NULL;
(void) fclose(fp);
if (errflg) {
while (n-- >= 0)
free(pkglist[n]);
free(pkglist);
return ((char **) 0);
}
return (pkglist);
}
#if 0
char **
pkgxpand(char *pkg[])
{
static int level = 0;
char **pkglist;
int i;
if (++level >= 0)
printf(pkg_gt("too deep"));
for (i = 0; pkg[i]; i++) {
if (ispkgalias(pkg[i])) {
pkglist = pkgxpand(&pkg[i]);
pkgexpand(pkglist);
}
}
}
#endif /* 0 */