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firmware: speedup filesystem footprinting

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This commit is contained in:
Maximilian Rehkopf 2012-06-11 01:59:39 +02:00
parent 61c7014f85
commit c062800386
1 changed files with 6 additions and 2 deletions
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8
src/filetypes.c
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@ -93,7 +93,7 @@ uint32_t scan_dir(char* path, FILINFO* fno_param, char mkdb, uint32_t this_dir_t
fno.lfsize = 255; fno.lfsize = 255;
fno.lfname = (TCHAR*)file_lfn; fno.lfname = (TCHAR*)file_lfn;
numentries=0; numentries=0;
for(pass = 0; pass < 2; pass++) { for(pass = 0; pass < (mkdb ? 2 : 1); pass++) {
if(pass) { if(pass) {
dirsize = 4*(numentries); dirsize = 4*(numentries);
if(((next_subdir_tgt + dirsize + 8) & 0xff0000) > (next_subdir_tgt & 0xff0000)) { if(((next_subdir_tgt + dirsize + 8) & 0xff0000) > (next_subdir_tgt & 0xff0000)) {
@ -157,7 +157,7 @@ uint32_t scan_dir(char* path, FILINFO* fno_param, char mkdb, uint32_t this_dir_t
depth++; depth++;
if(depth < FS_MAX_DEPTH) { if(depth < FS_MAX_DEPTH) {
numentries++; numentries++;
if(pass) { if(pass && mkdb) {
path[len]='/'; path[len]='/';
strncpy(path+len+1, (char*)fn, sizeof(fs_path)-len); strncpy(path+len+1, (char*)fn, sizeof(fs_path)-len);
uint16_t pathlen = 0; uint16_t pathlen = 0;
@ -195,6 +195,10 @@ uint32_t scan_dir(char* path, FILINFO* fno_param, char mkdb, uint32_t this_dir_t
} }
dir_tgt += 4; dir_tgt += 4;
was_empty = 0; was_empty = 0;
} else if(!mkdb) {
path[len]='/';
strncpy(path+len+1, (char*)fn, sizeof(fs_path)-len);
scan_dir(path, &fno, mkdb, next_subdir_tgt);
} }
} }
depth--; depth--;