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/*
** GETVOL.C - Retrieve a disk volume label
** (proof you don't need FCBs to do it!)
**
** public domain demo by Bob Stout
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <dos.h>
#include <io.h>
#if defined(__TURBOC__)
#pragma option -a-
#include <dir.h>
#define _dos_findfirst(f,a,b) findfirst(f,b,a)
#define _dos_findnext(b) findnext(b)
#define find_t ffblk
#define _A_VOLID FA_LABEL
#define attrib ff_attrib
#define name ff_name
#else
#include <direct.h>
#if defined(__ZTC__)
#pragma ZTC align 1
#else /* MSC/QC/WATCOM/METAWARE */
#pragma pack(1)
#endif
#endif
#define SUCCESS 0
char *getvol(char drive)
{
char search[] = "A:\\*.*";
static struct find_t ff;
*search = drive;
if (SUCCESS == _dos_findfirst(search, _A_VOLID, &ff))
{
if (8 < strlen(ff.name)) /* Eliminate period */
strcpy(&ff.name[8], &ff.name[9]);
return ff.name;
}
else return NULL;
}
#ifdef TEST
int main(int argc, char *argv[])
{
char *label;
if (2 > argc)
{
puts("\aUsage: GETVOL d[:]");
puts("where: d = drive letter (e.g. A, B, C, etc.");
return -1;
}
if (NULL == (label = getvol(*argv[1])))
printf("Unable to read a label on drive %c:\n", *argv[1]);
else printf("The volume label of drive %c: is \"%s\"\n",
*argv[1], label);
return 0;
}
#endif
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