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/*
* Copyright 2005-2007 Gentoo Foundation
* Distributed under the terms of the GNU General Public License v2
* $Header: /var/cvsroot/gentoo-projects/portage-utils/qsize.c,v 1.33 2010/01/13 18:17:23 vapier Exp $
*
* Copyright 2005-2007 Ned Ludd - <solar@gentoo.org>
* Copyright 2005-2007 Mike Frysinger - <vapier@gentoo.org>
*/
#ifdef APPLET_qsize
#define QSIZE_FLAGS "fasSmkbi:" COMMON_FLAGS
static struct option const qsize_long_opts[] = {
{"filesystem", no_argument, NULL, 'f'},
{"all", no_argument, NULL, 'a'},
{"sum", no_argument, NULL, 's'},
{"sum-only", no_argument, NULL, 'S'},
{"megabytes", no_argument, NULL, 'm'},
{"kilobytes", no_argument, NULL, 'k'},
{"bytes", no_argument, NULL, 'b'},
{"ignore", a_argument, NULL, 'i'},
COMMON_LONG_OPTS
};
static const char *qsize_opts_help[] = {
"Show size used on disk",
"Size all installed packages",
"Include a summary",
"Show just the summary",
"Display size in megabytes",
"Display size in kilobytes",
"Display size in bytes",
"Ignore regexp string",
COMMON_OPTS_HELP
};
static const char qsize_rcsid[] = "$Id: qsize.c,v 1.33 2010/01/13 18:17:23 vapier Exp $";
#define qsize_usage(ret) usage(ret, QSIZE_FLAGS, qsize_long_opts, qsize_opts_help, lookup_applet_idx("qsize"))
int qsize_main(int argc, char **argv)
{
DIR *dir, *dirp;
int i;
struct dirent *dentry, *de;
char search_all = 0;
struct stat st;
char fs_size = 0, summary = 0, summary_only = 0;
size_t num_all_files, num_all_nonfiles, num_all_ignored;
size_t num_files, num_nonfiles, num_ignored;
uint64_t num_all_bytes, num_bytes;
size_t disp_units = 0;
const char *str_disp_units = NULL;
char buf[_Q_PATH_MAX];
queue *ignore_regexp = NULL;
DBG("argc=%d argv[0]=%s argv[1]=%s",
argc, argv[0], argc > 1 ? argv[1] : "NULL?");
while ((i = GETOPT_LONG(QSIZE, qsize, "")) != -1) {
switch (i) {
COMMON_GETOPTS_CASES(qsize)
case 'f': fs_size = 1; break;
case 'a': search_all = 1; break;
case 's': summary = 1; break;
case 'S': summary = summary_only = 1; break;
case 'm': disp_units = MEGABYTE; str_disp_units = "MB"; break;
case 'k': disp_units = KILOBYTE; str_disp_units = "KB"; break;
case 'b': disp_units = 1; str_disp_units = "bytes"; break;
case 'i': ignore_regexp = add_set(optarg, optarg, ignore_regexp); break;
}
}
if ((argc == optind) && !search_all)
qsize_usage(EXIT_FAILURE);
xchdir(portroot);
xchdir(portvdb);
if ((dir = opendir(".")) == NULL)
return EXIT_FAILURE;
num_all_bytes = num_all_files = num_all_nonfiles = num_all_ignored = 0;
/* open /var/db/pkg */
while ((dentry = q_vdb_get_next_dir(dir))) {
if (chdir(dentry->d_name) != 0)
continue;
if ((dirp = opendir(".")) == NULL)
continue;
/* open the cateogry */
while ((de = readdir(dirp)) != NULL) {
FILE *fp;
if (*de->d_name == '.')
continue;
/* see if this cat/pkg is requested */
if (!search_all) {
for (i = optind; i < argc; ++i) {
snprintf(buf, sizeof(buf), "%s/%s", dentry->d_name,
de->d_name);
if (rematch(argv[i], buf, REG_EXTENDED) == 0)
break;
if (rematch(argv[i], de->d_name, REG_EXTENDED) == 0)
break;
}
if (i == argc)
continue;
}
snprintf(buf, sizeof(buf), "%s%s/%s/%s/CONTENTS", portroot, portvdb,
dentry->d_name, de->d_name);
if ((fp = fopen(buf, "r")) == NULL)
continue;
num_ignored = num_files = num_nonfiles = num_bytes = 0;
while ((fgets(buf, sizeof(buf), fp)) != NULL) {
contents_entry *e;
queue *ll;
int ok = 0;
e = contents_parse_line(buf);
if (!e)
continue;
for (ll = ignore_regexp; ll != NULL; ll = ll->next) {
if (rematch(ll->name, e->name, REG_EXTENDED) == 0) {
num_ignored += 1;
ok = 1;
}
}
if (ok)
continue;
if (e->type == CONTENTS_OBJ || e->type == CONTENTS_SYM) {
++num_files;
if (!lstat(e->name, &st))
num_bytes += (fs_size ? st.st_blocks * S_BLKSIZE : st.st_size);
} else
++num_nonfiles;
}
fclose(fp);
num_all_bytes += num_bytes;
num_all_files += num_files;
num_all_nonfiles += num_nonfiles;
num_all_ignored += num_ignored;
if (!summary_only) {
printf("%s%s/%s%s%s: %lu files, %lu non-files, ", BOLD,
basename(dentry->d_name), BLUE, de->d_name, NORM,
(unsigned long)num_files,
(unsigned long)num_nonfiles);
if (num_ignored)
printf("%lu names-ignored, ", (unsigned long)num_ignored);
if (disp_units)
printf("%s %s\n",
make_human_readable_str(num_bytes, 1, disp_units),
str_disp_units);
else
printf("%lu.%lu KB\n",
(unsigned long)(num_bytes / KILOBYTE),
(unsigned long)(((num_bytes%KILOBYTE)*1000)/KILOBYTE));
}
}
closedir(dirp);
xchdir("..");
}
if (summary) {
printf(" %sTotals%s: %lu files, %lu non-files, ", BOLD, NORM,
(unsigned long)num_all_files,
(unsigned long)num_all_nonfiles);
if (num_all_ignored)
printf("%lu names-ignored, ", (unsigned long)num_all_ignored);
if (disp_units)
printf("%s %s\n",
make_human_readable_str(num_all_bytes, 1, disp_units),
str_disp_units);
else
printf("%lu.%lu MB\n",
(unsigned long)(num_all_bytes / MEGABYTE),
(unsigned long)(((num_all_bytes%MEGABYTE)*1000)/MEGABYTE));
}
free_sets(ignore_regexp);
return EXIT_SUCCESS;
}
#else
DEFINE_APPLET_STUB(qsize)
#endif
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