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- /* @(#)src/spool.h 1.3 7/11/92 11:51:14 */
-
- /*
- * Copyright (C) 1987, 1988 Ronald S. Karr and Landon Curt Noll
- * Copyright (C) 1992 Ronald S. Karr
- *
- * See the file COPYING, distributed with smail, for restriction
- * and warranty information.
- */
-
- /*
- * spool.h:
- * interface file for routines in spool.c
- */
-
- /* macros used in spool.c */
- #define READ_FAIL -2 /* spool file read failed */
- #define WRITE_FAIL -1 /* general-purpose write failed */
- /* size of spool file basename */
- #define SPOOL_FN_LEN (sizeof("tttttt-iiiiiig") - 1)
-
- /*
- * GETSPOOL fetches characters from the spool buffer
- * and calls read_spool to read more characters when the
- * end of the buffer is reached.
- * returns a char or EOF on end-of-file or READ_FAILED on read error
- */
- #define GETSPOOL() (msg_ptr<msg_max ? \
- 0xff&(*msg_ptr++) : \
- (msg_foffset+(msg_max-msg_buf) >= msg_size ?\
- EOF : \
- read_spool() == FAIL ? \
- READ_FAIL : \
- 0xff&(*msg_ptr++)))
-
- /*
- * PUTSPOOL(c) writes a character to the spool file buffer and
- * flushes the buffer when it is full.
- */
- #define PUTSPOOL(c) (msg_max < end_msg_buf ? \
- (0xff &(*msg_max++ = (c))) : \
- write_spool() == FAIL ? \
- EOF : \
- (msg_foffset += msg_max - msg_buf, \
- msg_max = msg_buf, \
- (0xff & (*msg_max++ = (c)))))
-