124 lines
2.3 KiB
C++
124 lines
2.3 KiB
C++
|
/********************************************************************************
|
||
|
|
* Description:
|
||
|
|
* Functions that do what _dos_findfirst and _dos_findnext SHOULD do
|
||
|
|
*******************************************************************************/
|
||
|
|
#include <io.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <malloc.h>
|
||
|
|
#include "filefind.h"
|
||
|
|
|
||
|
|
static char * StringTable;
|
||
|
|
static long offset = 0 ;
|
||
|
|
static long MaxOffset;
|
||
|
|
|
||
|
|
|
||
|
|
int InitStringTable(long size)
|
||
|
|
{
|
||
|
|
StringTable=(char *) malloc(size);
|
||
|
|
ResetStringTable();
|
||
|
|
return StringTable != 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void EndStringTable()
|
||
|
|
{
|
||
|
|
if (StringTable)
|
||
|
|
free (StringTable);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
void AddString (char * StringToAdd, finddata * s)
|
||
|
|
{
|
||
|
|
int len;
|
||
|
|
|
||
|
|
len=strlen(StringToAdd);
|
||
|
|
|
||
|
|
strcpy(StringTable+offset, StringToAdd);
|
||
|
|
s->name=StringTable+offset;
|
||
|
|
offset+=len+1;
|
||
|
|
if (len>12) {
|
||
|
|
strcpy(StringTable+offset, StringToAdd);
|
||
|
|
StringTable[offset+11]='~';
|
||
|
|
StringTable[offset+12]='\0';
|
||
|
|
s->ShortName=StringTable+offset;
|
||
|
|
offset+=13;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
s->ShortName=s->name;
|
||
|
|
|
||
|
|
MaxOffset= (offset > MaxOffset) ? offset : MaxOffset;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
long GetStringTableSize()
|
||
|
|
{
|
||
|
|
return MaxOffset;
|
||
|
|
}
|
||
|
|
|
||
|
|
void ResetStringTable()
|
||
|
|
{
|
||
|
|
offset=0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
FindFirst(char * ss, unsigned attr, long * hFile, finddata * s)
|
||
|
|
{
|
||
|
|
int found;
|
||
|
|
SysFindData s2;
|
||
|
|
|
||
|
|
*hFile=_findfirst(ss, &s2);
|
||
|
|
found = (*hFile != -1L);
|
||
|
|
if (found) {
|
||
|
|
if ( attr == ALL_FILES ) {
|
||
|
|
while(found && s2.name[0] == '.')
|
||
|
|
found=(_findnext(*hFile, &s2) == 0);
|
||
|
|
}
|
||
|
|
else if ( attr & _A_SUBDIR ) {
|
||
|
|
while(found && (((s2.attrib & _A_SUBDIR) == 0) || s2.name[0] == '.'))
|
||
|
|
found=(_findnext(*hFile, &s2) == 0);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
while(found && (s2.attrib & _A_SUBDIR))
|
||
|
|
found=(_findnext(*hFile, &s2) == 0);
|
||
|
|
}
|
||
|
|
if (!found)
|
||
|
|
_findclose(*hFile);
|
||
|
|
else {
|
||
|
|
memcpy(s, &s2, sizeof(finddata));
|
||
|
|
AddString(s2.name, s);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return(found);
|
||
|
|
} /* FindFirst() */
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
int
|
||
|
|
FindNext(int attr, long hFile, finddata * s)
|
||
|
|
{
|
||
|
|
int found;
|
||
|
|
SysFindData s2;
|
||
|
|
|
||
|
|
|
||
|
|
found=(_findnext(hFile, &s2) == 0);
|
||
|
|
if (found && attr != ALL_FILES) {
|
||
|
|
if ( attr & _A_SUBDIR ) {
|
||
|
|
while(found && (((s2.attrib & _A_SUBDIR) == 0) || s2.name[0] == '.'))
|
||
|
|
found=(_findnext(hFile, &s2) == 0);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
while(found && (s2.attrib & _A_SUBDIR))
|
||
|
|
found=(_findnext(hFile, &s2) == 0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!found)
|
||
|
|
_findclose(hFile);
|
||
|
|
else {
|
||
|
|
memcpy(s, &s2, sizeof(finddata));
|
||
|
|
AddString(s2.name, s);
|
||
|
|
}
|
||
|
|
return(found);
|
||
|
|
} /* FindNext() */
|