archive/blender-archive
Archived
1
1
Fork 0
Code Pull Requests Packages Activity
This repository has been archived on 2023-10-09. You can view files and clone it, but cannot push or open issues or pull requests.
Files
5cf593a778e3dca51a5ebd6b4c23ce6c7b0a7ac6
blender-archive/source/blender/blenlib/intern/storage.c

533 lines
13 KiB
C
Raw Blame History

/*
* $Id$
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
* Reorganised mar-01 nzc
* Some really low-level file thingies.
*/
/** \file blender/blenlib/intern/storage.c
* \ingroup bli
*/
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#ifndef WIN32
#include <dirent.h>
#endif
#include <time.h>
#include <sys/stat.h>
#if defined (__sun__) || defined (__sun) || defined (__NetBSD__)
#include <sys/statvfs.h> /* Other modern unix os's should probably use this also */
#elif !defined(__FreeBSD__) && !defined(linux) && (defined(__sparc) || defined(__sparc__))
#include <sys/statfs.h>
#endif
#if defined (__FreeBSD__) || defined (__OpenBSD__)
#include <sys/param.h>
#include <sys/mount.h>
#endif
#if defined(linux) || defined(__CYGWIN32__) || defined(__hpux)
#include <sys/vfs.h>
#endif
#ifdef __APPLE__
/* For statfs */
#include <sys/param.h>
#include <sys/mount.h>
#endif /* __APPLE__ */
#include <fcntl.h>
#include <string.h> /* strcpy etc.. */
#ifndef WIN32
#include <sys/ioctl.h>
#include <unistd.h> /* */
#include <pwd.h>
#endif
#ifdef WIN32
#include <io.h>
#include <direct.h>
#include "BLI_winstuff.h"
#endif
/* lib includes */
#include "MEM_guardedalloc.h"
#include "DNA_listBase.h"
#include "BLI_listbase.h"
#include "BLI_linklist.h"
#include "BLI_storage.h"
#include "BLI_storage_types.h"
#include "BLI_string.h"
#include "BKE_utildefines.h"
/* vars: */
static int totnum,actnum;
static struct direntry *files;
static struct ListBase dirbase_={NULL, NULL};
static struct ListBase *dirbase = &dirbase_;
/* can return NULL when the size is not big enough */
char *BLI_getwdN(char *dir, const int maxncpy)
{
const char *pwd= getenv("PWD");
if (pwd){
BLI_strncpy(dir, pwd, maxncpy);
return dir;
}
return getcwd(dir, maxncpy);
}
int BLI_compare(struct direntry *entry1, struct direntry *entry2)
{
/* type is equal to stat.st_mode */
if (S_ISDIR(entry1->type)){
if (S_ISDIR(entry2->type)==0) return (-1);
} else{
if (S_ISDIR(entry2->type)) return (1);
}
if (S_ISREG(entry1->type)){
if (S_ISREG(entry2->type)==0) return (-1);
} else{
if (S_ISREG(entry2->type)) return (1);
}
if ((entry1->type & S_IFMT) < (entry2->type & S_IFMT)) return (-1);
if ((entry1->type & S_IFMT) > (entry2->type & S_IFMT)) return (1);
/* make sure "." and ".." are always first */
if( strcmp(entry1->relname, ".")==0 ) return (-1);
if( strcmp(entry2->relname, ".")==0 ) return (1);
if( strcmp(entry1->relname, "..")==0 ) return (-1);
if( strcmp(entry2->relname, "..")==0 ) return (1);
return (BLI_natstrcmp(entry1->relname,entry2->relname));
}
double BLI_diskfree(const char *dir)
{
#ifdef WIN32
DWORD sectorspc, bytesps, freec, clusters;
char tmp[4];
tmp[0]='\\'; tmp[1]=0; /* Just a failsafe */
if (dir[0]=='/' || dir[0]=='\\') {
tmp[0]='\\';
tmp[1]=0;
} else if (dir[1]==':') {
tmp[0]=dir[0];
tmp[1]=':';
tmp[2]='\\';
tmp[3]=0;
}
GetDiskFreeSpace(tmp,&sectorspc, &bytesps, &freec, &clusters);
return (double) (freec*bytesps*sectorspc);
#else
#if defined (__sun__) || defined (__sun) || defined (__NetBSD__)
struct statvfs disk;
#else
struct statfs disk;
#endif
char name[FILE_MAXDIR],*slash;
int len = strlen(dir);
if (len >= FILE_MAXDIR) /* path too long */
return -1;
strcpy(name,dir);
if(len){
slash = strrchr(name,'/');
if (slash) slash[1] = 0;
} else strcpy(name,"/");
#if defined (__FreeBSD__) || defined (linux) || defined (__OpenBSD__) || defined (__APPLE__)
if (statfs(name, &disk)) return(-1);
#endif
#if defined (__sun__) || defined (__sun) || defined (__NetBSD__)
if (statvfs(name, &disk)) return(-1);
#elif !defined(__FreeBSD__) && !defined(linux) && (defined(__sparc) || defined(__sparc__))
/* WARNING - This may not be supported by geeneric unix os's - Campbell */
if (statfs(name, &disk, sizeof(struct statfs), 0)) return(-1);
#endif
return ( ((double) disk.f_bsize) * ((double) disk.f_bfree));
#endif
}
void BLI_builddir(const char *dirname, const char *relname)
{
struct dirent *fname;
struct dirlink *dlink;
int rellen, newnum = 0;
char buf[256];
DIR *dir;
strcpy(buf,relname);
rellen=strlen(relname);
if (rellen){
buf[rellen]='/';
rellen++;
}
if (chdir(dirname) == -1){
perror(dirname);
return;
}
if ( (dir = (DIR *)opendir(".")) ){
while ((fname = (struct dirent*) readdir(dir)) != NULL) {
dlink = (struct dirlink *)malloc(sizeof(struct dirlink));
if (dlink){
strcpy(buf+rellen,fname->d_name);
dlink->name = BLI_strdup(buf);
BLI_addhead(dirbase,dlink);
newnum++;
}
}
if (newnum){
if(files) {
void *tmp= realloc(files, (totnum+newnum) * sizeof(struct direntry));
if(tmp) {
files= (struct direntry *)tmp;
}
else { /* realloc fail */
free(files);
files= NULL;
}
}
if(files==NULL)
files=(struct direntry *)malloc(newnum * sizeof(struct direntry));
if (files){
dlink = (struct dirlink *) dirbase->first;
while(dlink){
memset(&files[actnum], 0 , sizeof(struct direntry));
files[actnum].relname = dlink->name;
files[actnum].path = BLI_strdupcat(dirname, dlink->name);
// use 64 bit file size, only needed for WIN32 and WIN64.
// Excluding other than current MSVC compiler until able to test.
#if (defined(WIN32) || defined(WIN64)) && (_MSC_VER>=1500)
_stat64(dlink->name,&files[actnum].s);
#elif defined(__MINGW32__)
_stati64(dlink->name,&files[actnum].s);
#else
stat(dlink->name,&files[actnum].s);
#endif
files[actnum].type=files[actnum].s.st_mode;
files[actnum].flags = 0;
totnum++;
actnum++;
dlink = dlink->next;
}
} else{
printf("Couldn't get memory for dir\n");
exit(1);
}
BLI_freelist(dirbase);
if (files) qsort(files, actnum, sizeof(struct direntry), (int (*)(const void *,const void*))BLI_compare);
} else {
printf("%s empty directory\n",dirname);
}
closedir(dir);
} else {
printf("%s non-existant directory\n",dirname);
}
}
void BLI_adddirstrings(void)
{
char datum[100];
char buf[512];
char size[250];
static const char * types[8] = {"---", "--x", "-w-", "-wx", "r--", "r-x", "rw-", "rwx"};
int num, mode;
#ifdef WIN32
__int64 st_size;
#else
off_t st_size;
#endif
struct direntry * file;
struct tm *tm;
time_t zero= 0;
for(num=0, file= files; num<actnum; num++, file++){
#ifdef WIN32
mode = 0;
BLI_strncpy(file->mode1, types[0], sizeof(file->mode1));
BLI_strncpy(file->mode2, types[0], sizeof(file->mode2));
BLI_strncpy(file->mode3, types[0], sizeof(file->mode3));
#else
mode = file->s.st_mode;
BLI_strncpy(file->mode1, types[(mode & 0700) >> 6], sizeof(file->mode1));
BLI_strncpy(file->mode2, types[(mode & 0070) >> 3], sizeof(file->mode2));
BLI_strncpy(file->mode3, types[(mode & 0007)], sizeof(file->mode3));
if (((mode & S_ISGID) == S_ISGID) && (file->mode2[2]=='-'))file->mode2[2]='l';
if (mode & (S_ISUID | S_ISGID)){
if (file->mode1[2]=='x') file->mode1[2]='s';
else file->mode1[2]='S';
if (file->mode2[2]=='x')file->mode2[2]='s';
}
if (mode & S_ISVTX){
if (file->mode3[2] == 'x') file->mode3[2] = 't';
else file->mode3[2] = 'T';
}
#endif
#ifdef WIN32
strcpy(file->owner,"user");
#else
{
struct passwd *pwuser;
pwuser = getpwuid(file->s.st_uid);
if ( pwuser ) {
BLI_strncpy(file->owner, pwuser->pw_name, sizeof(file->owner));
} else {
BLI_snprintf(file->owner, sizeof(file->owner), "%d", file->s.st_uid);
}
}
#endif
tm= localtime(&file->s.st_mtime);
// prevent impossible dates in windows
if(tm==NULL) tm= localtime(&zero);
strftime(file->time, 8, "%H:%M", tm);
strftime(file->date, 16, "%d-%b-%y", tm);
/*
* Seems st_size is signed 32-bit value in *nix and Windows. This
* will buy us some time until files get bigger than 4GB or until
* everyone starts using __USE_FILE_OFFSET64 or equivalent.
*/
st_size= file->s.st_size;
if (st_size > 1024*1024*1024) {
sprintf(file->size, "%.2f GB", ((double)st_size)/(1024*1024*1024));
}
else if (st_size > 1024*1024) {
sprintf(file->size, "%.1f MB", ((double)st_size)/(1024*1024));
}
else if (st_size > 1024) {
sprintf(file->size, "%d KB", (int)(st_size/1024));
}
else {
sprintf(file->size, "%d B", (int)st_size);
}
strftime(datum, 32, "%d-%b-%y %H:%M", tm);
if (st_size < 1000) {
sprintf(size, "%10d", (int) st_size);
} else if (st_size < 1000 * 1000) {
sprintf(size, "%6d %03d", (int) (st_size / 1000), (int) (st_size % 1000));
} else if (st_size < 100 * 1000 * 1000) {
sprintf(size, "%2d %03d %03d", (int) (st_size / (1000 * 1000)), (int) ((st_size / 1000) % 1000), (int) ( st_size % 1000));
} else {
sprintf(size, "> %4.1f M", (double) (st_size / (1024.0 * 1024.0)));
sprintf(size, "%10d", (int) st_size);
}
sprintf(buf,"%s %s %s %7s %s %s %10s %s", file->mode1, file->mode2, file->mode3, file->owner, file->date, file->time, size,
file->relname);
file->string=MEM_mallocN(strlen(buf)+1, "filestring");
if (file->string){
strcpy(file->string,buf);
}
}
}
unsigned int BLI_getdir(const char *dirname, struct direntry **filelist)
{
// reset global variables
// memory stored in files is free()'d in
// filesel.c:freefilelist()
actnum = totnum = 0;
files = NULL;
BLI_builddir(dirname,"");
BLI_adddirstrings();
if (files) {
*(filelist) = files;
} else {
// keep blender happy. Blender stores this in a variable
// where 0 has special meaning.....
*(filelist) = files = malloc(sizeof(struct direntry));
}
return(actnum);
}
size_t BLI_filesize(int file)
{
struct stat buf;
if (file <= 0) return (-1);
fstat(file, &buf);
return (buf.st_size);
}
size_t BLI_filepathsize(const char *path)
{
int size, file = open(path, O_BINARY|O_RDONLY);
if (file == -1)
return -1;
size = BLI_filesize(file);
close(file);
return size;
}
int BLI_exist(const char *name)
{
#if defined(WIN32) && !defined(__MINGW32__)
struct _stat64i32 st;
/* in Windows stat doesn't recognize dir ending on a slash
To not break code where the ending slash is expected we
don't mess with the argument name directly here - elubie */
char tmp[FILE_MAXDIR+FILE_MAXFILE];
int len, res;
BLI_strncpy(tmp, name, FILE_MAXDIR+FILE_MAXFILE);
len = strlen(tmp);
if (len > 3 && ( tmp[len-1]=='\\' || tmp[len-1]=='/') ) tmp[len-1] = '\0';
res = _stat(tmp, &st);
if (res == -1) return(0);
#elif defined(__MINGW32__)
struct _stati64 st;
char tmp[FILE_MAXDIR+FILE_MAXFILE];
int len, res;
BLI_strncpy(tmp, name, FILE_MAXDIR+FILE_MAXFILE);
len = strlen(tmp);
if (len > 3 && ( tmp[len-1]=='\\' || tmp[len-1]=='/') ) tmp[len-1] = '\0';
res = _stati64(tmp, &st);
if (res) return(0);
#else
struct stat st;
if (stat(name,&st)) return(0);
#endif
return(st.st_mode);
}
/* would be better in fileops.c except that it needs stat.h so add here */
int BLI_is_dir(const char *file)
{
return S_ISDIR(BLI_exist(file));
}
LinkNode *BLI_read_file_as_lines(const char *name)
{
FILE *fp= fopen(name, "r");
LinkNode *lines= NULL;
char *buf;
size_t size;
if (!fp) return NULL;
fseek(fp, 0, SEEK_END);
size= (size_t)ftell(fp);
fseek(fp, 0, SEEK_SET);
buf= MEM_mallocN(size, "file_as_lines");
if (buf) {
size_t i, last= 0;
/*
* size = because on win32 reading
* all the bytes in the file will return
* less bytes because of crnl changes.
*/
size= fread(buf, 1, size, fp);
for (i=0; i<=size; i++) {
if (i==size || buf[i]=='\n') {
char *line= BLI_strdupn(&buf[last], i-last);
BLI_linklist_prepend(&lines, line);
last= i+1;
}
}
MEM_freeN(buf);
}
fclose(fp);
BLI_linklist_reverse(&lines);
return lines;
}
void BLI_free_file_lines(LinkNode *lines)
{
BLI_linklist_free(lines, (void(*)(void*)) MEM_freeN);
}
int BLI_file_older(const char *file1, const char *file2)
{
struct stat st1, st2;
if(stat(file1, &st1)) return 0;
if(stat(file2, &st2)) return 0;
return (st1.st_mtime < st2.st_mtime);
}
View Git Blame Copy Permalink