gdb/cli/cli-setshow.c

39 parse_auto_binary_operation (const char *arg)
41   if (arg != NULL && *arg != '\0')
43       int length = strlen (arg);
44       while (isspace (arg[length - 1]) && length > 0)
46       if (strncmp (arg, "on", length) == 0
47 	  || strncmp (arg, "1", length) == 0
48 	  || strncmp (arg, "yes", length) == 0
49 	  || strncmp (arg, "enable", length) == 0)
51       else if (strncmp (arg, "off", length) == 0
52 	       || strncmp (arg, "0", length) == 0
53 	       || strncmp (arg, "no", length) == 0
54 	       || strncmp (arg, "disable", length) == 0)
56       else if (strncmp (arg, "auto", length) == 0
57 	       || (strncmp (arg, "-1", length) == 0 && length > 1))
65 parse_binary_operation (char *arg)
69   if (!arg || !*arg)
72   length = strlen (arg);
74   while (arg[length - 1] == ' ' || arg[length - 1] == '\t')
77   if (strncmp (arg, "on", length) == 0
78       || strncmp (arg, "1", length) == 0
79       || strncmp (arg, "yes", length) == 0
80       || strncmp (arg, "enable", length) == 0)
82   else if (strncmp (arg, "off", length) == 0
83 	   || strncmp (arg, "0", length) == 0
84 	   || strncmp (arg, "no", length) == 0
85 	   || strncmp (arg, "disable", length) == 0)
101 do_setshow_command (char *arg, int from_tty, struct cmd_list_element *c)
114 	    if (arg == NULL)
115 	      arg = "";
116 	    new = (char *) xmalloc (strlen (arg) + 2);
117 	    p = arg;
153 	  if (arg == NULL)
154 	    arg = "";
157 	  *(char **) c->var = savestring (arg, strlen (arg));
160 	  if (arg == NULL)
164 	  *(char **) c->var = tilde_expand (arg);
167 	  *(int *) c->var = parse_binary_operation (arg);
170 	  *(enum auto_boolean *) c->var = parse_auto_binary_operation (arg);
173 	  if (arg == NULL)
175 	  *(unsigned int *) c->var = parse_and_eval_long (arg);
182 	    if (arg == NULL)
184 	    val = parse_and_eval_long (arg);
194 	  if (arg == NULL)
196 	  *(int *) c->var = parse_and_eval_long (arg);
207 	    if (arg == NULL)
221 	    p = strchr (arg, ' ');
224 	      len = p - arg;
226 	      len = strlen (arg);
230 	      if (strncmp (arg, c->enums[i], len) == 0)
246 	      error ("Undefined item: \"%s\".", arg);
249 	      error ("Ambiguous item \"%s\".", arg);