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/*
* Copyright 2005 Gentoo Foundation
* Distributed under the terms of the GNU General Public License v2
* $Header: /var/cvsroot/gentoo-projects/portage-utils/qsize.c,v 1.9 2005/06/14 23:30:54 vapier Exp $
*
* 2005 Ned Ludd - <solar@gentoo.org>
* 2005 Mike Frysinger - <vapier@gentoo.org>
*
********************************************************************
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*
*/
#define QSIZE_FLAGS "fasSmkb" 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'},
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",
COMMON_OPTS_HELP
};
#define qsize_usage(ret) usage(ret, QSIZE_FLAGS, qsize_long_opts, qsize_opts_help, APPLET_QSIZE)
int qsize_main(int argc, char **argv)
{
DIR *dir, *dirp;
int i;
struct dirent *dentry, *de;
char search_all = 0;
char *p, *q;
struct stat st;
char fs_size = 0, summary = 0, summary_only = 0;
size_t num_all_bytes, num_all_files, num_all_nonfiles;
size_t num_bytes, num_files, num_nonfiles;
size_t disp_units = 0;
const char *str_disp_units = NULL;
char buf[_POSIX_PATH_MAX];
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;
}
}
if ((argc == optind) && !search_all)
qsize_usage(EXIT_FAILURE);
if (chdir(portvdb) != 0 || (dir = opendir(portvdb)) == NULL)
return EXIT_FAILURE;
num_all_bytes = num_all_files = num_all_nonfiles = 0;
/* open /var/db/pkg */
while ((dentry = readdir(dir))) {
/* search for a category directory */
if (dentry->d_name[0] == '.')
continue;
if (strchr(dentry->d_name, '-') == NULL)
continue;
stat(dentry->d_name, &st);
if (!S_ISDIR(st.st_mode))
continue;
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/CONTENTS", portvdb,
dentry->d_name, de->d_name);
if ((fp = fopen(buf, "r")) == NULL)
continue;
num_files = num_nonfiles = num_bytes = 0;
while ((fgets(buf, sizeof(buf), fp)) != NULL) {
if ((p = strchr(buf, '\n')) != NULL)
*p = '\0';
if ((p = strchr(buf, ' ')) == NULL)
continue;
++p;
switch (*buf) {
case '\n': /* newline */
break;
case 'o': /* obj */
case 's': /* sym */
if ((q = strchr(p, ' ')) != NULL)
*q = '\0';
++num_files;
if (!lstat(p, &st))
num_bytes += (fs_size ? st.st_blocks * S_BLKSIZE : st.st_size);
break;
default:
++num_nonfiles;
break;
}
}
fclose(fp);
num_all_bytes += num_bytes;
num_all_files += num_files;
num_all_nonfiles += num_nonfiles;
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 (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);
chdir("..");
}
closedir(dir);
if (summary) {
printf(" %sTotals%s: %lu files, %lu non-files, ", BOLD, NORM,
(unsigned long)num_all_files,
(unsigned long)num_all_nonfiles);
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));
}
return EXIT_SUCCESS;
}
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