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fsocc

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This commit is contained in:
dockes
2007-06-08 15:30:01 +00:00
parent 61004757c4
commit 20f5363a70
2 changed files with 66 additions and 5 deletions
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src/utils/pathut.cpp
+59 -4
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@@ -1,5 +1,5 @@
#ifndef lint
static char rcsid[] = "@(#$Id: pathut.cpp,v 1.15 2007-02-06 14:16:43 dockes Exp $ (C) 2004 J.F.Dockes";
static char rcsid[] = "@(#$Id: pathut.cpp,v 1.16 2007-06-08 15:30:01 dockes Exp $ (C) 2004 J.F.Dockes";
#endif
/*
* This program is free software; you can redistribute it and/or modify
@@ -23,6 +23,7 @@ static char rcsid[] = "@(#$Id: pathut.cpp,v 1.15 2007-02-06 14:16:43 dockes Exp
#include <fcntl.h>
#include <sys/param.h>
#include <pwd.h>
#include <math.h>
#include <iostream>
#include <list>
@@ -35,6 +36,40 @@ using std::stack;
#include "pathut.h"
#ifndef STATFS_INCLUDE
#define STATFS_INCLUDE <sys/vfs.h>
#endif
#include STATFS_INCLUDE
bool fsocc(const string &path, int *pc, long *blocks)
{
struct statfs buf;
if (statfs(path.c_str(), &buf) != 0) {
return false;
}
// 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");
@@ -352,8 +387,12 @@ 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
@@ -388,18 +427,34 @@ int main(int argc, const char **argv)
path_canon(canontst[i]) << "'" << endl;
}
#endif
#if 1
if (argc != 3) {
#if 0
if (argc != 2) {
fprintf(stderr, "Usage: trpathut <dir> <pattern>\n");
exit(1);
}
string dir=argv[1], pattern=argv[2];
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;
}