2 * SPDX-License-Identifier: BSD-3-Clause
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34 #include <sys/param.h>
46 command(const char *cmd)
49 char *cp, *tmpstr, *tmpstr1;
52 tmpstr = tmpstr1 = strdup(cmd);
53 for (cp = tmpstr1; *cp && !isspace(*cp); cp++)
59 for (; *cp && isspace(*cp); cp++)
61 if (strcmp(tmpstr1, "quit") == 0 || strcmp(tmpstr1, "q") == 0)
63 if (strcmp(tmpstr1, "load") == 0) {
67 if (strcmp(tmpstr1, "stop") == 0) {
69 mvaddstr(CMDLINE, 0, "Refresh disabled.");
73 if (strcmp(tmpstr1, "help") == 0) {
76 move(CMDLINE, _col = 0);
77 for (p = cmdtab; p->c_name; p++) {
78 _len = strlen(p->c_name);
79 if (_col + _len > COLS)
81 addstr(p->c_name); _col += _len;
88 t = strtod(tmpstr1, NULL) * 1000000.0;
89 if (t > 0 && t < (double)UINT_MAX)
90 delay = (unsigned int)t;
91 if ((t <= 0 || t > (double)UINT_MAX) &&
92 (strcmp(tmpstr1, "start") == 0 ||
93 strcmp(tmpstr1, "interval") == 0)) {
95 t = strtod(cp, NULL) * 1000000.0;
96 if (t <= 0 || t >= (double)UINT_MAX) {
97 error("%d: bad interval.", (int)t);
103 delay = (unsigned int)t;
109 if (p == (struct cmdtab *)-1) {
110 error("%s: Ambiguous command.", tmpstr1);
116 (*curcmd->c_close)(wnd);
117 curcmd->c_flags &= ~CF_INIT;
118 wnd = (*p->c_open)();
120 error("Couldn't open new display");
121 wnd = (*curcmd->c_open)();
123 error("Couldn't change back to previous cmd");
128 if ((p->c_flags & CF_INIT) == 0) {
130 p->c_flags |= CF_INIT;
140 if (curcmd->c_cmd == NULL || !(*curcmd->c_cmd)(tmpstr1, cp))
141 error("%s: Unknown command.", tmpstr1);
147 lookup(const char *name)
150 struct cmdtab *ct, *found;
151 int nmatches, longest;
155 found = (struct cmdtab *) 0;
156 for (ct = cmdtab; (p = ct->c_name); ct++) {
157 for (q = name; *q == *p++; q++)
158 if (*q == 0) /* exact match? */
160 if (!*q) { /* the name was a prefix */
161 if (q - name > longest) {
165 } else if (q - name == longest)
170 return ((struct cmdtab *)-1);
178 error("Showing %s, refresh every %d seconds.",
179 curcmd->c_name, delay / 1000000);
183 prefix(const char *s1, const char *s2)
191 return (*s1 == '\0');