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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include <error.h>
define SZ_TMPFILBUF 100
define SZ_INCREMENT 100
# FSVTFN -- Save the name of a temporary file for automatic deletion at task
# termination.
procedure fsvtfn (fname)
char fname[ARB]
bool first_time
int sz_tmpbuf, nchars
int strlen()
errchk malloc, realloc
pointer tmpbuf
int nextch
common /ftfcom/ tmpbuf, nextch
data first_time /true/
begin
if (first_time) {
tmpbuf = NULL
first_time = false
}
# Call with a null filename permits first time initialization.
if (fname[1] == EOS)
return
# Initial allocation of buffer.
if (tmpbuf == NULL) {
sz_tmpbuf = SZ_TMPFILBUF
call malloc (tmpbuf, sz_tmpbuf, TY_CHAR)
nextch = 0
}
# Increase size of buffer if necessary.
nchars = strlen (fname)
if (nchars == 0)
return
else {
while (nextch + nchars + 1 >= sz_tmpbuf) {
sz_tmpbuf = sz_tmpbuf + SZ_INCREMENT
call realloc (tmpbuf, sz_tmpbuf, TY_CHAR)
}
}
# Save name of temporary file in buffer.
call strcpy (fname, Memc[tmpbuf+nextch], ARB)
nextch = nextch + nchars + 1
end
# FRMTMP -- Delete all temporary files and return space. It seems harmless
# for the user to explicitly delete a temporary file, so we do not complain
# if the file does not exist.
procedure frmtmp()
pointer buftop, ip
int strlen(), access()
pointer tmpbuf
int nextch
common /ftfcom/ tmpbuf, nextch
begin
if (tmpbuf != NULL) {
buftop = tmpbuf + nextch
for (ip=tmpbuf; ip < buftop; ip = ip + strlen (Memc[ip]) + 1)
if (access (Memc[ip],0,0) == YES)
iferr (call delete (Memc[ip]))
call erract (EA_WARN)
call mfree (tmpbuf, TY_CHAR)
}
end
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