2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. All rights reserved.
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15 * This product includes software developed by the University of
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33 * @(#)map.c 8.1 (Berkeley) 6/9/93
34 * $FreeBSD: src/usr.bin/tset/map.c,v 1.7 1999/08/30 08:27:30 peter Exp $
35 * $DragonFly: src/usr.bin/tset/map.c,v 1.5 2004/08/30 18:06:50 eirikn Exp $
38 #include <sys/types.h>
45 extern speed_t Ospeed;
46 speed_t tset_baudrate(char *);
48 /* Baud rate conditionals for mapping. */
57 struct map *next; /* Linked list of maps. */
58 char *porttype; /* Port type, or "" for any. */
59 char *type; /* Terminal type to select. */
60 int conditional; /* Baud rate conditionals bitmask. */
61 speed_t speed; /* Baud rate to compare against. */
68 * [port-type][test baudrate]:terminal-type
69 * The baud rate tests are: >, <, @, =, !
72 add_mapping(const char *port, char *arg)
75 char *copy, *p, *termp;
78 mapp = malloc((u_int)sizeof(MAP));
79 if (copy == NULL || mapp == NULL)
90 mapp->conditional = 0;
92 arg = strpbrk(arg, "><@=!:");
94 if (arg == NULL) { /* [?]term */
95 mapp->type = mapp->porttype;
96 mapp->porttype = NULL;
100 if (arg == mapp->porttype) /* [><@=! baud]:term */
101 termp = mapp->porttype = NULL;
105 for (;; ++arg) /* Optional conditionals. */
108 if (mapp->conditional & GT)
110 mapp->conditional |= LT;
113 if (mapp->conditional & LT)
115 mapp->conditional |= GT;
118 case '=': /* Not documented. */
119 mapp->conditional |= EQ;
122 mapp->conditional |= NOT;
128 next: if (*arg == ':') {
129 if (mapp->conditional)
132 } else { /* Optional baudrate. */
133 arg = strchr(p = arg, ':');
137 mapp->speed = tset_baudrate(p);
140 if (*arg == '\0') /* Non-optional type. */
145 /* Terminate porttype, if specified. */
149 /* If a NOT conditional, reverse the test. */
150 if (mapp->conditional & NOT)
151 mapp->conditional = ~mapp->conditional & (EQ | GT | LT);
153 /* If user specified a port with an option flag, set it. */
156 badmopt: errx(1, "illegal -m option format: %s", copy);
157 mapp->porttype = strdup(port);
161 (void)printf("port: %s\n", mapp->porttype ? mapp->porttype : "ANY");
162 (void)printf("type: %s\n", mapp->type);
163 (void)printf("conditional: ");
165 if (mapp->conditional & GT) {
169 if (mapp->conditional & EQ) {
170 (void)printf("%sEQ", p);
173 if (mapp->conditional & LT)
174 (void)printf("%sLT", p);
175 (void)printf("\nspeed: %d\n", mapp->speed);
180 * Return the type of terminal to use for a port of type 'type', as specified
181 * by the first applicable mapping in 'map'. If no mappings apply, return
185 mapped(const char *type)
191 for (mapp = maplist; mapp; mapp = mapp->next)
192 if (mapp->porttype == NULL || !strcmp(mapp->porttype, type)) {
193 switch (mapp->conditional) {
194 case 0: /* No test specified. */
198 match = (Ospeed == mapp->speed);
201 match = (Ospeed >= mapp->speed);
204 match = (Ospeed > mapp->speed);
207 match = (Ospeed <= mapp->speed);
210 match = (Ospeed < mapp->speed);
216 /* No match found; return given type. */
220 typedef struct speeds {
234 tset_baudrate(char *rate)
239 /* The baudrate number can be preceded by a 'B', which is ignored. */
243 for (sp = speeds; sp->string; ++sp)
244 if (!strcasecmp(rate, sp->string))
248 errx(1, "unknown baud rate %s", rate);