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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include "symtab.h"
# STALLOC -- Allocate a block of double aligned storage in the symbol table.
# Increase the size of STAB if overflow occurs.
int procedure stalloc (stp, blklen)
pointer stp # symtab descriptor
int blklen # number of integer units of storage
int offset, buflen
begin
offset = (ST_STABOP(stp) + 1) / 2 * 2
buflen = ST_STABLEN(stp)
if (offset + blklen > buflen) {
# Overflow has occurred. Allocate a larger buffer; if overflow
# continues to occur the increments grow successively larger to
# minimize reallocation.
buflen = buflen + max (blklen, ST_STABINC(stp))
ST_STABINC(stp) = min (MAX_INCREMENT, ST_STABINC(stp) * INC_GROW)
ST_STABLEN(stp) = buflen
ST_STABNGROW(stp) = ST_STABNGROW(stp) + 1
call realloc (ST_STABP(stp), buflen, TY_STRUCT)
}
ST_STABOP(stp) = offset + ((blklen + 1) / 2 * 2)
return (offset)
end
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