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