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Line 36... |
| 36 |
#include <stdlib.h>
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#include <stdlib.h>
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#include <string.h>
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#include <string.h>
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#include "dosdisk.h"
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#include "dosdisk.h"
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#define searchAttr ( FILE_A_DIR | FILE_A_HIDDEN | FILE_A_SYSTEM | FILE_A_READONLY | FILE_A_ARCH )
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#define searchAttr ( FILE_A_SUBDIR | FILE_A_HIDDEN | FILE_A_SYSTEM | FILE_A_RDONLY | FILE_A_ARCH )
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struct FFDTA *FindFirstFile(const char *pathname, struct FFDTA *hnd) {
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struct FFDTA *FindFirstFile(const char *pathname, struct FFDTA *hnd) {
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char path[PATH_MAX];
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char path[PATH_MAX];
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short cflag = 0; /* used to indicate if findfirst is succesful or not */
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short cflag = 0; /* used to indicate if findfirst is succesful or not */
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Line 199... |
| 199 |
char volume[11];
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char volume[11];
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short ftype[8];
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short ftype[8];
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} media;
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} media;
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/* Stores the root path we use. */
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/* Stores the root path we use. */
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char pathname[260];
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char pathname[PATH_MAX + 5];
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unsigned short cflag;
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unsigned short cflag;
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/* validate root path to obtain info on, NULL or "" means use current */
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/* validate root path to obtain info on, NULL or "" means use current */
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if ((lpRootPathName == NULL) || (*lpRootPathName == '\0')) {
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if ((lpRootPathName == NULL) || (*lpRootPathName == '\0')) {
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Line 246... |
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/* Search for volume using old findfirst, as LFN version (NT5 DOS box) does
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/* Search for volume using old findfirst, as LFN version (NT5 DOS box) does
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* not recognize FILE_A_VOL = 0x0008 as label attribute.
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* not recognize FILE_A_VOL = 0x0008 as label attribute.
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*/
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*/
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{
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{
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struct FFDTA finfo;
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struct FFDTA finfo;
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unsigned short attr_seg = FP_SEG(finfo.ff_attr);
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unsigned short attr_seg = FP_SEG(finfo.attrib);
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unsigned short attr_off = FP_OFF(finfo.ff_attr);
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unsigned short attr_off = FP_OFF(finfo.attrib);
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unsigned short finfo_seg = FP_SEG(&finfo);
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unsigned short finfo_seg = FP_SEG(&finfo);
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unsigned short finfo_off = FP_OFF(&finfo);
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unsigned short finfo_off = FP_OFF(&finfo);
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unsigned short pathname_seg = FP_SEG(pathname);
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unsigned short pathname_seg = FP_SEG(pathname);
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unsigned short pathname_off = FP_OFF(pathname);
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unsigned short pathname_off = FP_OFF(pathname);
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Line 271... |
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push ds
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push ds
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mov ds, finfo_seg
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mov ds, finfo_seg
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int 0x21 //; Execute interrupt
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int 0x21 //; Execute interrupt
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pop ds
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pop ds
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mov ax, 0x4E00 //; Actual findfirst call
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mov ax, 0x4E00 //; Actual findfirst call
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mov cx, FILE_A_VOL
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mov cx, FILE_A_VOLID
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mov dx, pathname_off //; Load DS:DX with pointer to modified RootPath for Findfirt
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mov dx, pathname_off //; Load DS:DX with pointer to modified RootPath for Findfirt
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push ds
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push ds
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mov ds, pathname_seg
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mov ds, pathname_seg
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int 0x21 //; Execute interrupt, Carry set on error, unset on success
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int 0x21 //; Execute interrupt, Carry set on error, unset on success
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pop ds
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pop ds
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Line 287... |
| 287 |
push es
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push es
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mov es, attr_seg
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mov es, attr_seg
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mov al, [es:bx] //; Looking for a BYTE that is FILE_ATTRIBUTE_LABEL only
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mov al, [es:bx] //; Looking for a BYTE that is FILE_ATTRIBUTE_LABEL only
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pop es
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pop es
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and al, 0xDF //; Ignore Archive bit
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and al, 0xDF //; Ignore Archive bit
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cmp al, FILE_A_VOL
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cmp al, FILE_A_VOLID
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je cleanup //; They match, so should be true volume entry.
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je cleanup //; They match, so should be true volume entry.
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mov ax, 0x4F00 //; Otherwise keep looking (findnext)
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mov ax, 0x4F00 //; Otherwise keep looking (findnext)
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int 0x21 //; Execute interrupt
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int 0x21 //; Execute interrupt
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jnc success //; If carry is not set then succesful
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jnc success //; If carry is not set then succesful
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mov [cflag], ax //; Set flag with error.
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mov [cflag], ax //; Set flag with error.
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| 313 |
/* copy over volume label, if buffer given */
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/* copy over volume label, if buffer given */
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if (lpVolumeNameBuffer != NULL) {
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if (lpVolumeNameBuffer != NULL) {
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if (cflag != 0) { /* error or no label */
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if (cflag != 0) { /* error or no label */
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lpVolumeNameBuffer[0] = '\0';
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lpVolumeNameBuffer[0] = '\0';
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} else { /* copy up to buffer's size of label */
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} else { /* copy up to buffer's size of label */
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strncpy(lpVolumeNameBuffer, finfo.ff_name, nVolumeNameSize);
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strncpy(lpVolumeNameBuffer, finfo.name, nVolumeNameSize);
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lpVolumeNameBuffer[nVolumeNameSize-1] = '\0';
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lpVolumeNameBuffer[nVolumeNameSize-1] = '\0';
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/* slide characters over if longer than 8 to remove . */
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/* slide characters over if longer than 8 to remove . */
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if (lpVolumeNameBuffer[8] == '.') {
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321 |
if (lpVolumeNameBuffer[8] == '.') {
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lpVolumeNameBuffer[8] = lpVolumeNameBuffer[9];
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lpVolumeNameBuffer[8] = lpVolumeNameBuffer[9];
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lpVolumeNameBuffer[9] = lpVolumeNameBuffer[10];
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lpVolumeNameBuffer[9] = lpVolumeNameBuffer[10];
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