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- /*
- * node.h: Common header file for server & client.
- */
-
- #ifndef _NODE_H
- #define _NODE_H
-
- /* Values used in a node's flags field */
- /* These flags are INTERNAL and are not saved to disk */
- #define N_ONSTACK 0x1 /* Tag Used for infinite loop protection */
- #define N_CALLEDON 0x2 /* Already been passed to a traverse func */
- #define N_RESOLVED 0x4 /* Have link node-ids been resolved to ptrs? */
- #define N_SYSGEN_FN 0x20 /* File name should be maintained by server */
- #define N_HIT 0x1000 /* Internal flag for WAIS search */
-
- /* These are "real" flags that are saved to disk */
- #define N_FAKE 0x8 /* Created by web_node to keep things happy */
- #define N_TEXT 0x10 /* This is a document node */
- #define N_IMAGE 0x40 /* The node is an image (GIF) at this time */
- #define N_DONT_STAT 0x80 /* Stat the file to update modify date? */
- #define N_SERVER_NODE 0x100 /* a link to another server */
- #define N_MENU 0x200 /* this represents a menu item - reserved */
- #define N_BINARY 0x400 /* this represents a binary item - reserved */
- #define N_DONT_INDEX 0x800 /* Don't index this node for full text search */
-
- #define N_TELNETSESSION 0x2000 /* client starts telnet Added Jan 1993 --lam */
-
- /* Don't save the following flags when we save the web */
- #define N_NOSAVE (N_ONSTACK | N_CALLEDON | N_RESOLVED | N_SYSGEN_FN |\
- N_HIT)
-
-
- #define setflag(n, flag) ((n)->nd_flags |= (flag))
- #define clrflag(n, flag) ((n)->nd_flags &= ~(flag))
- #define flagset(n, flag) ((n)->nd_flags & (flag)) /* is the flag set */
-
-
- #define text_node(n) (*n_file(n) && *n_file(n) != ' ')
-
- /* Output codes necessitated by client bugs which crashed when a node's flags
- field contained values it didn't like. Thus the default output format
- zeros out the flags field, while the new and better format sends the flags
- across. The format is changed with the 'O' transaction, which supposedly
- only new clients will do, to request the new format & get the flags.
- Added 8/12/92 ark */
- #define NO_FLAGS_FORMAT 1 /* Zeros out flags field */
- #define SEND_FLAGS_FORMAT 2 /* Sends flags unchanged */
- #define TELNET_FORMAT 3 /* "Pretty printing" to make
- telnet readable */
- #define NUM_FORMATS 3
- #define DEFAULT_OUTPUT_FORMAT NO_FLAGS_FORMAT
-
-
- /*
- * Flags for web_traverse
- */
- #define TRAV_UP 0x1
- #define TRAV_DOWN 0x2
- #define TRAV_OUT (TRAV_UP|TRAV_DOWN)
- #define TRAV_NOREPEAT 0x4
-
- #define NLINE_MAXLEN 4096
- #define NL_SAVE 1
- #define NL_RESTORE 2
- #define NL_RESTORE_OR 3
- #define NL_RESTORE_AND 4
-
- /* Increased NLIST_MAX_LEN from 4096 to 8192 8/3/92 ark */
- #define NLIST_MAX_LEN 8192 /* Max # of nodes in current list */
-
-
- #endif ndef _NODE_H
-