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| author | Nebuleon Fumika | 2013-02-08 05:50:22 -0500 |
|---|---|---|
| committer | Nebuleon Fumika | 2013-02-08 05:50:22 -0500 |
| commit | 927d456306672110870eb3386742c1c1ef8eb4f6 (patch) | |
| tree | 509da9ac1727570b02572068aefb9cdf102ad75b /sdk-modifications/libsrc/fs/fat_misc.c | |
| parent | 433749b6ef1e2b070755c3bb7fc0d81b5ecaa7b1 (diff) | |
| parent | d4fcf2697c9a45594e3ee0b8bf82e480ddd0b69b (diff) | |
| download | snes9x2005-927d456306672110870eb3386742c1c1ef8eb4f6.tar.gz snes9x2005-927d456306672110870eb3386742c1c1ef8eb4f6.tar.bz2 snes9x2005-927d456306672110870eb3386742c1c1ef8eb4f6.zip | |
Merge branch 'master' into 8bitsound
Conflicts:
source/nds/entry.cpp
Diffstat (limited to 'sdk-modifications/libsrc/fs/fat_misc.c')
| -rw-r--r-- | sdk-modifications/libsrc/fs/fat_misc.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/sdk-modifications/libsrc/fs/fat_misc.c b/sdk-modifications/libsrc/fs/fat_misc.c new file mode 100644 index 0000000..335ab59 --- /dev/null +++ b/sdk-modifications/libsrc/fs/fat_misc.c @@ -0,0 +1,140 @@ +//fat_misc.c
+//v1.0
+
+#include "fat_misc.h"
+#include "fs_api.h"
+
+static unsigned int _usedSecNums;
+
+static int strFindFromEnd( char *str,char strValue )
+{
+ int pos = 0,i = 0,strNum = 0;
+ while(1)
+ {
+ if( (*str)!=0 )
+ {
+ strNum++;
+ str++;
+ }
+ else
+ {
+ break;
+ }
+ }
+ pos = strNum;
+ for( i=0;i<strNum;i++ )
+ {
+ str--;
+ pos--;
+ if( (*str) == strValue||(*str) == ':' )
+ {
+ return pos;
+ }
+ if( (*str)== 0 )
+ {
+ return -1;
+ }
+ }
+ return -1;
+}
+
+int getDirSize( const char * path, int includeSubdirs, unsigned int * dirSize )
+{
+ char dirPath[MAX_FILENAME_LENGTH];
+ unsigned int size = 0;
+ if( "" == path ){
+ return false;
+ }
+
+ memset( dirPath,0,MAX_FILENAME_LENGTH );
+ strcpy( dirPath,path );
+
+ if( dirPath[strlen(dirPath)-1] != '/' )
+ dirPath[strlen(dirPath)] = '/';
+ if( strlen(dirPath) > MAX_FILENAME_LENGTH )
+ return false;
+
+ DIR_STATE_STRUCT *dir;
+ dir = fat_opendir((const char*)dirPath);
+ if (dir == NULL)
+ return false;
+
+ struct stat stat_buf;
+ DIR_ENTRY *currentEntry;
+ char* filename;
+
+ while((currentEntry = fat_readdir_ex(dir, &stat_buf)) != NULL)
+ {
+ filename = currentEntry->d_name;
+
+ if (strcmp(filename, ".") == 0 || strcmp(filename, "..") == 0)
+ continue;
+
+ if (!(stat_buf.st_mode & S_IFDIR)) {
+ size += (stat_buf.st_size+511)/512;
+ _usedSecNums +=(stat_buf.st_size+511)/512;
+ }
+ else if (includeSubdirs)
+ {
+ // calculate the size recursively
+ unsigned int subDirSize = 0;
+ char dirPathBuffer[MAX_FILENAME_LENGTH];
+
+ memset( dirPathBuffer,0,MAX_FILENAME_LENGTH );
+ strcpy( dirPathBuffer,dirPath );
+ memset( dirPath,0,MAX_FILENAME_LENGTH );
+ sprintf( dirPath,"%s%s",dirPathBuffer,filename );
+ int succ = getDirSize( dirPath, includeSubdirs, &subDirSize );
+ if( succ ) {
+ size += (subDirSize+511)/512;
+ _usedSecNums +=(subDirSize+511)/512;
+ }
+ memset( dirPath,0,MAX_FILENAME_LENGTH );
+ strcpy( dirPath,dirPathBuffer );
+ }
+ }
+
+ fat_closedir(dir);
+
+ *dirSize = size;
+ return true;
+}
+
+int fat_getDiskTotalSpace( char * diskName, unsigned int * diskSpace )
+{
+ if( !strcmp("",diskName) )
+ return false;
+
+ unsigned int len = strlen(diskName);
+ if( *(diskName+len-1) != '/' ){
+ *(diskName+len) = '/';
+ }
+
+ PARTITION * diskPartition = _FAT_partition_getPartitionFromPath( diskName );
+ if( NULL == diskPartition )
+ return false;
+
+ *diskSpace = (unsigned int)diskPartition->numberOfSectors;
+ return true;
+}
+
+int fat_getDiskSpaceInfo( char * diskName, unsigned int * total, unsigned int * used, unsigned int * freeSpace )
+{
+ _usedSecNums = 0;
+
+ if( !strcmp("",diskName) )
+ return -1;
+ if( !fat_getDiskTotalSpace(diskName, total) )
+ return -1;
+ if( !getDirSize(diskName, true, used) )
+ return -1;
+
+ *used = _usedSecNums;
+ if( *total <= *used ){
+ *freeSpace = 0;
+ }else{
+ *freeSpace = *total - *used;
+ }
+
+ return 0;
+}
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