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FINDFILE.C
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C/C++ Source or Header
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1988-10-04
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1KB
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63 lines
#include <osbind.h>
#include <stdio.h>
#include <stat.h>
static char *_findext(p, q, ext)
register char *p, *q, *ext;
{
if(ext == NULL)
ext = ".";
while(p < q)
{
if(!stricmp(p, ext))
return(p);
while(*p++)
;
}
return(NULL);
}
char *findfile(afn, ext)
char *afn, *ext;
{
char *fullpath(), *strrchr(), *strchr(), *strcpy();
register char *p, *q, *e;
struct stat dta, *pdta;
afn = fullpath(NULL, afn);
if((p = strrchr(afn, '\\')) &&
(p = strchr(p, '.'))) /* .EXT specified */
return(access(afn, 0x00) ? afn : NULL);
/*
* No extension specified, search directory for any extension
* and try to match with the list.
*/
p = strrchr(afn, '\0');
p[0] = '.';
p[1] = '*';
p[2] = '\0';
q = ext;
while(*q) /* q = end of exts / match */
while(*q++)
;
pdta = ((struct stat *) Fgetdta());
Fsetdta(&dta);
if(Fsfirst(afn, 0x00) == 0)
{
do
{
e = strchr(dta.st_name, '.');
if(e = _findext(ext, q, e))
q = e;
}
while(Fsnext() == 0);
}
Fsetdta(pdta);
if(*q)
{
strcpy(p, q);
return(afn);
}
return(NULL);
}