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30 * Author: Thomas E. Dickey
32 * $Id: test_sgr.c,v 1.8 2016/09/04 23:30:56 tom Exp $
34 * A simple demo of the sgr/sgr0 terminal capabilities.
37 #include <test.priv.h>
40 static void failed(const char *) GCC_NORETURN;
43 failed(const char *msg)
45 fprintf(stderr, "%s\n", msg);
46 ExitProgram(EXIT_FAILURE);
52 static bool q_opt = FALSE;
56 static char **db_list;
59 static long total_values;
62 make_dbitem(char *p, char *q)
64 size_t need = strlen(e_opt) + 2 + (size_t) (p - q);
65 char *result = malloc(need);
66 _nc_SPRINTF(result, _nc_SLIMIT(need) "%s=%.*s", e_opt, (int) (p - q), q);
76 for (pass = 0; pass < 2; ++pass) {
80 for (p = q = d_opt; *p != '\0'; ++p) {
84 db_list[count] = make_dbitem(p, q);
93 db_list[count] = make_dbitem(p, q);
98 db_list = typeCalloc(char *, count + 1);
110 if ((result = db_list[db_item]) == 0) {
117 printf("** %s\n", result);
127 for (n = 0; db_list[n]; ++n)
136 #define MAXSGR (1 << MAXPAR)
137 #define BITS2P(n) (count & (1 << (n - 1)))
138 #define MASK_SMSO (1 << 0)
139 #define MASK_BOLD (1 << 5)
140 #define MASK_REV (1 << 2)
143 dumpit(unsigned bits, unsigned ignore, const char *sgr, const char *sgr0)
145 static const char sample[] = "abcdefghijklm";
146 static char params[] = "SURBDBIPA";
149 printf("%4d ", bits);
151 for (n = 0; n < MAXPAR; ++n) {
152 putchar((int) ((bits & (unsigned) (1 << n)) ? params[n] : '-'));
162 one_bit(unsigned a, unsigned b)
164 unsigned c = (a ^ b);
176 brute_force(const char *name)
186 putenv(next_dbitem());
189 printf("Terminal type \"%s\"\n", name);
190 setupterm((NCURSES_CONST char *) name, 1, (int *) 0);
192 if (strcmp(name, ttytype))
193 printf("... actual \"%s\"\n", ttytype);
196 my_sgr = tigetstr("sgr");
197 my_sgr0 = tigetstr("sgr0");
198 my_bold = tigetstr("bold");
199 my_revs = tigetstr("rev");
200 my_smso = tigetstr("smso");
202 if (!VALID_STRING(my_sgr)) {
203 fprintf(stderr, "no \"sgr\" capability found\n");
204 } else if (!VALID_STRING(my_sgr0)) {
205 fprintf(stderr, "no \"sgr0\" capability found\n");
207 char *values[MAXSGR + MAXPAR];
212 for (count = 0; count < MAXSGR; ++count) {
213 values[count] = tparm(my_sgr,
223 if (values[count] != 0) {
224 values[count] = strdup(values[count]);
227 for (count = 0; count < MAXSGR; ++count) {
228 if (values[count] != 0) {
229 for (j = count + 1; j < MAXSGR; ++j) {
232 if (strcmp(values[count], values[j]))
234 if (one_bit(count, j)) {
241 for (j = 0; j < MAXPAR; ++j) {
242 unsigned mask = (unsigned) (1 << j);
243 for (count = 0; count < MAXSGR; ++count) {
244 if ((count & mask) != 0)
246 if (values[count] != 0 && values[count + mask] != 0) {
253 /* smso is tested first, but often duplicates bold or reverse. */
254 if (VALID_STRING(my_smso)) {
255 if (VALID_STRING(my_bold) && !strcmp(my_bold, my_smso)) {
259 if (VALID_STRING(my_revs) && !strcmp(my_revs, my_smso)) {
264 for (count = 0; count < MAXSGR; ++count) {
265 if (values[count] != 0) {
267 if ((repeat & MASK_SMSO) != 0
268 && (count & MASK_SMSO) != 0) {
271 for (j = 0; j < count; ++j) {
272 if (values[j] != 0 && !strcmp(values[j], values[count])) {
273 if ((repeat & MASK_SMSO) != 0
274 && (j & MASK_SMSO) != 0
275 && (count & reason) != 0) {
284 dumpit(count, ignore, values[count], my_sgr0);
290 del_curterm(cur_term);
296 static const char *msg[] =
298 "Usage: test_sgr [options] [terminal]",
300 "Print all distinct combinations of sgr capability.",
303 " -d LIST colon-separated list of databases to use",
304 " -e NAME environment variable to set with -d option",
305 " -q quiet (prints only counts)",
308 for (n = 0; n < SIZEOF(msg); ++n) {
309 fprintf(stderr, "%s\n", msg[n]);
311 ExitProgram(EXIT_FAILURE);
315 main(int argc, char *argv[])
320 while ((n = getopt(argc, argv, "d:e:q")) != -1) {
340 for (n = optind; n < argc; ++n) {
341 brute_force(argv[n]);
343 } else if ((name = getenv("TERM")) != 0) {
346 static char dumb[] = "dumb";
350 printf("%ld distinct values\n", total_values);
356 ExitProgram(EXIT_SUCCESS);
359 #else /* !HAVE_TIGETSTR */
361 main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
363 failed("This program requires the terminfo functions such as tigetstr");
364 ExitProgram(EXIT_FAILURE);
366 #endif /* HAVE_TIGETSTR */