2 * Copyright (c) 1991, 1993
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6 * modification, are permitted provided that the following conditions
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29 * @(#)map.c 8.1 (Berkeley) 6/9/93
30 * $FreeBSD: src/usr.bin/tset/map.c,v 1.7 1999/08/30 08:27:30 peter Exp $
31 * $DragonFly: src/usr.bin/tset/map.c,v 1.5 2004/08/30 18:06:50 eirikn Exp $
34 #include <sys/types.h>
41 extern speed_t Ospeed;
42 speed_t tset_baudrate(char *);
44 /* Baud rate conditionals for mapping. */
53 struct map *next; /* Linked list of maps. */
54 char *porttype; /* Port type, or "" for any. */
55 char *type; /* Terminal type to select. */
56 int conditional; /* Baud rate conditionals bitmask. */
57 speed_t speed; /* Baud rate to compare against. */
64 * [port-type][test baudrate]:terminal-type
65 * The baud rate tests are: >, <, @, =, !
68 add_mapping(const char *port, char *arg)
71 char *copy, *p, *termp;
74 mapp = malloc((u_int)sizeof(MAP));
75 if (copy == NULL || mapp == NULL)
86 mapp->conditional = 0;
88 arg = strpbrk(arg, "><@=!:");
90 if (arg == NULL) { /* [?]term */
91 mapp->type = mapp->porttype;
92 mapp->porttype = NULL;
96 if (arg == mapp->porttype) /* [><@=! baud]:term */
97 termp = mapp->porttype = NULL;
101 for (;; ++arg) /* Optional conditionals. */
104 if (mapp->conditional & GT)
106 mapp->conditional |= LT;
109 if (mapp->conditional & LT)
111 mapp->conditional |= GT;
114 case '=': /* Not documented. */
115 mapp->conditional |= EQ;
118 mapp->conditional |= NOT;
124 next: if (*arg == ':') {
125 if (mapp->conditional)
128 } else { /* Optional baudrate. */
129 arg = strchr(p = arg, ':');
133 mapp->speed = tset_baudrate(p);
136 if (*arg == '\0') /* Non-optional type. */
141 /* Terminate porttype, if specified. */
145 /* If a NOT conditional, reverse the test. */
146 if (mapp->conditional & NOT)
147 mapp->conditional = ~mapp->conditional & (EQ | GT | LT);
149 /* If user specified a port with an option flag, set it. */
152 badmopt: errx(1, "illegal -m option format: %s", copy);
153 mapp->porttype = strdup(port);
157 (void)printf("port: %s\n", mapp->porttype ? mapp->porttype : "ANY");
158 (void)printf("type: %s\n", mapp->type);
159 (void)printf("conditional: ");
161 if (mapp->conditional & GT) {
165 if (mapp->conditional & EQ) {
166 (void)printf("%sEQ", p);
169 if (mapp->conditional & LT)
170 (void)printf("%sLT", p);
171 (void)printf("\nspeed: %d\n", mapp->speed);
176 * Return the type of terminal to use for a port of type 'type', as specified
177 * by the first applicable mapping in 'map'. If no mappings apply, return
181 mapped(const char *type)
187 for (mapp = maplist; mapp; mapp = mapp->next)
188 if (mapp->porttype == NULL || !strcmp(mapp->porttype, type)) {
189 switch (mapp->conditional) {
190 case 0: /* No test specified. */
194 match = (Ospeed == mapp->speed);
197 match = (Ospeed >= mapp->speed);
200 match = (Ospeed > mapp->speed);
203 match = (Ospeed <= mapp->speed);
206 match = (Ospeed < mapp->speed);
212 /* No match found; return given type. */
216 typedef struct speeds {
230 tset_baudrate(char *rate)
235 /* The baudrate number can be preceded by a 'B', which is ignored. */
239 for (sp = speeds; sp->string; ++sp)
240 if (!strcasecmp(rate, sp->string))
244 errx(1, "unknown baud rate %s", rate);