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zoo141_c.lzh
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GENERIC.C
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C/C++ Source or Header
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1987-02-07
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3KB
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126 lines
/* Generic template for machine-dependent functions. */
/****************
function trunc() truncates a file.
*/
int trunc (handle)
int handle;
{
/* code to truncate file goes here -- may be left empty */
}
/*****************
Function gettime() or getutime() gets the date and time of the file handle
or filename supplied. Date and time is in MSDOS format.
*/
#ifdef GETUTIME
getutime (fname, date, time)
char *fname;
#else
gettime (handle,date,time)
int handle;
#endif
int *date, *time;
{
*date = *time = 0; /* not yet implemented */
}
/*****************
Function settime() or setutime() sets the date and time of the file handle
or filename supplied. Date and time is in MSDOS format.
*/
#ifdef NIXTIME
int setutime(path,date,time)
char *path;
#else
int settime(handle, date, time)
int handle;
#endif
unsigned int date, time;
{
/* not yet implemented */
}
/*****************
Function mktemp() accepts a template of the form `baseXXXXXX' where
base is an arbitrary string, and returns a unique temporary filename.
If template is not correct, it is returned unchanged.
*/
char *mktemp(template)
char *template;
{
#ifndef NDEBUG
if (index(template, "XXXXXX") == -1)
prterror ('w', "Incorrect template [%s] supplied to mktemp().\n",
template);
#endif
strcpy(&template[index(template, "XXXXXX")],"{zoo}.@@@");
return (template);
}
/*****************
Function isadir() or isuadir() returns 1 if supplied handle or
filename is a directory or other special file that should not be
archived, else it returns 0.
*/
#ifdef CHEKDIR
int isadir(han)
int han;
{
return (0); /* by default assume never a directory */
}
#endif
#ifdef CHEKUDIR
int isuadir(path)
char *path;
{
return (0); /* by default assume never a directory */
}
#endif
/****************
Function fixfname() converts the supplied filename to a syntax
legal for the host system. It is used during extraction to make sure
that a file can be extracted even if a badly-implemented archiver
stored it with an illegal filename.
*/
char *fixfname(fname)
char *fname;
{
return (fname); /* default is no-op */
}
/*****************
Function nextfile() is effectively a no-op. Any wildcard expansion
must have been done before Zoo receives the arguments.
*/
#define FMAX 1
char *nextfile (what, filespec, fileset)
int what; /* whether to initialize or match */
register char *filespec; /* filespec to match if initializing */
register int fileset; /* which set of files */
{
static int first_time [FMAX+1];
static char saved_fspec [FMAX+1][PATHSIZE]; /* our own copy of filespec */
if (what == 0) {
strcpy (saved_fspec[fileset], filespec); /* save the filespec */
first_time[fileset] = 1;
return (NULL);
}
if (first_time[fileset]) {
first_time[fileset] = 0;
return (saved_fspec[fileset]);
} else {
return (NULL);
}
}