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include "template.h"
# TP_FETCH -- Fetch the next image name from the group image template
#
# Create the next file name from the structure created by tp_open.
# Return true if another group exists, false otherwise.
#
# B.Simon 28-Feb-89 Original
# B.Simon 21-Aug-91 Changed template structure
# B.Simon 24-Jul-98 Revised to handle unparsable sections
bool procedure tp_fetch (ptr, file_name)
pointer ptr # i: A pointer to a list of file names
char file_name[SZ_FNAME] # o: The next file name in the list
#--
begin
if ((TP_INDEX(ptr) - TP_START(ptr)) + 1 > TP_COUNT(ptr))
return (false)
if (TP_START(ptr) == ERR) {
call sprintf (file_name, SZ_FNAME, "%s%s")
call pargstr (TP_ROOT(ptr))
call pargstr (TP_SECT(ptr))
} else if (TP_COUNT(ptr) > 1 && TP_INDEX(ptr) == TP_START(ptr)) {
call sprintf (file_name, SZ_FNAME, "%s[%d/%d]%s")
call pargstr (TP_ROOT(ptr))
call pargi (TP_INDEX(ptr))
call pargi (TP_COUNT(ptr))
call pargstr (TP_SECT(ptr))
} else {
call sprintf (file_name, SZ_FNAME, "%s[%d]%s")
call pargstr (TP_ROOT(ptr))
call pargi (TP_INDEX(ptr))
call pargstr (TP_SECT(ptr))
}
TP_INDEX(ptr) = TP_INDEX(ptr) + 1
return (true)
end
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