#ifndef lint
static char rcsid[] = "@(#$Id: pathut.cpp,v 1.19 2008-05-27 06:18:28 dockes Exp $ (C) 2004 J.F.Dockes";
#endif
/*
* 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.
*/
#ifndef TEST_PATHUT
#include <unistd.h>
#include <fcntl.h>
#include <sys/param.h>
#include <pwd.h>
#include <math.h>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <list>
#include <stack>
#ifndef NO_NAMESPACES
using std::string;
using std::list;
using std::stack;
#endif /* NO_NAMESPACES */
#include "pathut.h"
#include <sys/types.h>
#ifndef STATFS_INCLUDE
#define STATFS_INCLUDE <sys/vfs.h>
#endif
#include STATFS_INCLUDE
bool fsocc(const string &path, int *pc, long *blocks)
{
#ifdef sun
struct statvfs buf;
if (statvfs(path.c_str(), &buf) != 0) {
return false;
}
#else
struct statfs buf;
if (statfs(path.c_str(), &buf) != 0) {
return false;
}
#endif
// used blocks
double fpc = 0.0;
#define FSOCC_USED (double(buf.f_blocks - buf.f_bfree))
#define FSOCC_TOTAVAIL (FSOCC_USED + double(buf.f_bavail))
if (FSOCC_TOTAVAIL > 0) {
fpc = 100.0 * FSOCC_USED / FSOCC_TOTAVAIL;
}
*pc = int(fpc);
if (blocks) {
*blocks = 0;
#define FSOCC_MB (1024*1024)
if (buf.f_bsize > 0) {
int ratio = buf.f_bsize > FSOCC_MB ? buf.f_bsize / FSOCC_MB :
FSOCC_MB / buf.f_bsize;
*blocks = buf.f_bsize > FSOCC_MB ? long(buf.f_bavail) * ratio :
long(buf.f_bavail) / ratio;
}
}
return true;
}
static const char *tmplocation()
{
const char *tmpdir = getenv("RECOLL_TMPDIR");
if (!tmpdir)
tmpdir = getenv("TMPDIR");
if (!tmpdir)
tmpdir = "/tmp";
return tmpdir;
}
bool maketmpdir(string& tdir, string& reason)
{
tdir = path_cat(tmplocation(), "rcltmpXXXXXX");
char *cp = strdup(tdir.c_str());
if (!cp) {
reason = "maketmpdir: out of memory (for file name !)\n";
tdir.erase();
return false;
}
if (!
#ifdef HAVE_MKDTEMP
mkdtemp(cp)
#else
mktemp(cp)
#endif // HAVE_MKDTEMP
) {
free(cp);
reason = "maketmpdir: mktemp failed\n";
tdir.erase();
return false;
}
tdir = cp;
free(cp);
#ifndef HAVE_MKDTEMP
if (mkdir(tdir.c_str(), 0700) < 0) {
reason = string("maketmpdir: mkdir ") + tdir + " failed";
tdir.erase();
return false;
}
#endif
return true;
}
TempFileInternal::TempFileInternal(const string& suffix)
{
string filename = path_cat(tmplocation(), "rcltmpfXXXXXX");
char *cp = strdup(filename.c_str());
if (!cp) {
m_reason = "Out of memory (for file name !)\n";
return;
}
// Yes using mkstemp this way is awful (bot the suffix adding and
// using mkstemp() just to avoid the warnings)
int fd;
if ((fd = mkstemp(cp)) < 0) {
free(cp);
m_reason = "maketmpdir: mkstemp failed\n";
return;
}
close(fd);
unlink(cp);
filename = cp;
free(cp);
m_filename = filename + suffix;
if (close(open(m_filename.c_str(), O_CREAT|O_EXCL, 0600)) != 0) {
m_reason = string("Could not open/create") + m_filename;
m_filename.erase();
}
}
TempFileInternal::~TempFileInternal()
{
if (!m_filename.empty())
unlink(m_filename.c_str());
}
void path_catslash(std::string &s) {
if (s.empty() || s[s.length() - 1] != '/')
s += '/';
}
std::string path_cat(const std::string &s1, const std::string &s2) {
std::string res = s1;
path_catslash(res);
res += s2;
return res;
}
string path_getfather(const string &s) {
string father = s;
// ??
if (father.empty())
return "./";
if (father[father.length() - 1] == '/') {
// Input ends with /. Strip it, handle special case for root
if (father.length() == 1)
return father;
father.erase(father.length()-1);
}
string::size_type slp = father.rfind('/');
if (slp == string::npos)
return "./";
father.erase(slp);
path_catslash(father);
return father;
}
string path_getsimple(const string &s) {
string simple = s;
if (simple.empty())
return simple;
string::size_type slp = simple.rfind('/');
if (slp == string::npos)
return simple;
simple.erase(0, slp+1);
return simple;
}
string path_basename(const string &s, const string &suff)
{
string simple = path_getsimple(s);
string::size_type pos = string::npos;
if (suff.length() && simple.length() > suff.length()) {
pos = simple.rfind(suff);
if (pos != string::npos && pos + suff.length() == simple.length())
return simple.substr(0, pos);
}
return simple;
}
string path_home()
{
uid_t uid = getuid();
struct passwd *entry = getpwuid(uid);
if (entry == 0) {
const char *cp = getenv("HOME");
if (cp)
return cp;
else
return "/";
}
string homedir = entry->pw_dir;
path_catslash(homedir);
return homedir;
}
extern string path_tildexpand(const string &s)
{
if (s.empty() || s[0] != '~')
return s;
string o = s;
if (s.length() == 1) {
o.replace(0, 1, path_home());
} else if (s[1] == '/') {
o.replace(0, 2, path_home());
} else {
string::size_type pos = s.find('/');
int l = (pos == string::npos) ? s.length() - 1 : pos - 1;
struct passwd *entry = getpwnam(s.substr(1, l).c_str());
if (entry)
o.replace(0, l+1, entry->pw_dir);
}
return o;
}
extern std::string path_absolute(const std::string &is)
{
if (is.length() == 0)
return is;
string s = is;
if (s[0] != '/') {
char buf[MAXPATHLEN];
if (!getcwd(buf, MAXPATHLEN)) {
return "";
}
s = path_cat(string(buf), s);
}
return s;
}
#include <smallut.h>
extern std::string path_canon(const std::string &is)
{
if (is.length() == 0)
return is;
string s = is;
if (s[0] != '/') {
char buf[MAXPATHLEN];
if (!getcwd(buf, MAXPATHLEN)) {
return "";
}
s = path_cat(string(buf), s);
}
list<string>elems;
stringToTokens(s, elems, "/");
list<string> cleaned;
for (list<string>::const_iterator it = elems.begin();
it != elems.end(); it++){
if (*it == "..") {
if (!cleaned.empty())
cleaned.pop_back();
} else if (it->empty() || *it == ".") {
} else {
cleaned.push_back(*it);
}
}
string ret;
if (!cleaned.empty()) {
for (list<string>::const_iterator it = cleaned.begin();
it != cleaned.end(); it++) {
ret += "/";
ret += *it;
}
} else {
ret = "/";
}
return ret;
}
#include <glob.h>
#include <sys/stat.h>
list<std::string> path_dirglob(const std::string &dir,
const std::string pattern)
{
list<string> res;
glob_t mglob;
string mypat=path_cat(dir, pattern);
if (glob(mypat.c_str(), 0, 0, &mglob)) {
return res;
}
for (int i = 0; i < int(mglob.gl_pathc); i++) {
res.push_back(mglob.gl_pathv[i]);
}
globfree(&mglob);
return res;
}
bool path_isdir(const string& path)
{
struct stat st;
if (lstat(path.c_str(), &st) < 0)
return false;
if (S_ISDIR(st.st_mode))
return true;
return false;
}
std::string url_encode(const std::string url, string::size_type offs)
{
string out = url.substr(0, offs);
const char *cp = url.c_str();
for (string::size_type i = offs; i < url.size(); i++) {
int c;
const char *h = "0123456789ABCDEF";
c = cp[i];
if(c <= 0x1f ||
c >= 0x7f ||
c == '<' ||
c == '>' ||
c == ' ' ||
c == '\t'||
c == '"' ||
c == '#' ||
c == '%' ||
c == '{' ||
c == '}' ||
c == '|' ||
c == '\\' ||
c == '^' ||
c == '~'||
c == '[' ||
c == ']' ||
c == '`') {
out += '%';
out += h[(c >> 4) & 0xf];
out += h[c & 0xf];
} else {
out += char(c);
}
}
return out;
}
#else // TEST_PATHUT
#include <iostream>
using namespace std;
#include "pathut.h"
const char *tstvec[] = {"", "/", "/dir", "/dir/", "/dir1/dir2",
"/dir1/dir2",
"./dir", "./dir1/", "dir", "../dir", "/dir/toto.c",
"/dir/.c", "/dir/toto.txt", "toto.txt1"
};
const string ttvec[] = {"/dir", "", "~", "~/sub", "~root", "~root/sub",
"~nosuch", "~nosuch/sub"};
int nttvec = sizeof(ttvec) / sizeof(string);
const char *thisprog;
int main(int argc, const char **argv)
{
thisprog = *argv++;argc--;
string s;
list<string>::const_iterator it;
#if 0
for (unsigned int i = 0;i < sizeof(tstvec) / sizeof(char *); i++) {
cout << tstvec[i] << " Father " << path_getfather(tstvec[i]) << endl;
}
for (unsigned int i = 0;i < sizeof(tstvec) / sizeof(char *); i++) {
cout << tstvec[i] << " Simple " << path_getsimple(tstvec[i]) << endl;
}
for (unsigned int i = 0;i < sizeof(tstvec) / sizeof(char *); i++) {
cout << tstvec[i] << " Basename " <<
path_basename(tstvec[i], ".txt") << endl;
}
#endif
#if 0
for (int i = 0; i < nttvec; i++) {
cout << "tildexp: '" << ttvec[i] << "' -> '" <<
path_tildexpand(ttvec[i]) << "'" << endl;
}
#endif
#if 0
const string canontst[] = {"/dir1/../../..", "/////", "",
"/dir1/../../.././/////dir2///////",
"../../",
"../../../../../../../../../../"
};
unsigned int nttvec = sizeof(canontst) / sizeof(string);
for (unsigned int i = 0; i < nttvec; i++) {
cout << "canon: '" << canontst[i] << "' -> '" <<
path_canon(canontst[i]) << "'" << endl;
}
#endif
#if 0
if (argc != 2) {
fprintf(stderr, "Usage: trpathut <dir> <pattern>\n");
exit(1);
}
string dir = *argv++;argc--;
string pattern = *argv++;argc--;
list<string> matched = path_dirglob(dir, pattern);
for (it = matched.begin(); it != matched.end();it++) {
cout << *it << endl;
}
#endif
#if 1
if (argc != 1) {
fprintf(stderr, "Usage: fsocc: trpathut <path>\n");
exit(1);
}
string path = *argv++;argc--;
int pc;
long blocks;
if (!fsocc(path, &pc, &blocks)) {
fprintf(stderr, "fsocc failed\n");
return 1;
}
printf("pc %d, megabytes %ld\n", pc, blocks);
#endif
return 0;
}
#endif // TEST_PATHUT