1 /****************************************************************************
2 * Copyright (c) 2001 Free Software Foundation, Inc. *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
7 * without limitation the rights to use, copy, modify, merge, publish, *
8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
25 * sale, use or other dealings in this Software without prior written *
27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Thomas E. Dickey 2001 *
31 ****************************************************************************/
33 #include <curses.priv.h>
37 MODULE_ID("$Id: varargs.c,v 1.2 2002/06/01 16:16:00 tom Exp $")
42 atUnknown = 0, atInteger, atFloat, atPoint, atString
45 #define VA_INT(type) ival = va_arg(ap, type)
46 #define VA_FLT(type) fval = va_arg(ap, type)
47 #define VA_PTR(type) pval = (void *)va_arg(ap, type)
48 #define VA_STR(type) sval = va_arg(ap, type)
51 * Returns a string that represents the parameter list of a printf-style call.
53 NCURSES_EXPORT(char *)
54 _nc_varargs(const char *fmt, va_list ap)
56 static char dummy[] = "";
57 static char *result_buf;
58 static size_t result_len;
62 if (fmt == 0 || *fmt == '\0')
65 result_buf = typeMalloc(char, result_len = BUFSIZ);
70 while (*fmt != '\0') {
72 char *pval = 0; /* avoid const-cast */
73 const char *sval = "";
78 ARGTYPE used = atUnknown;
80 while (*++fmt != '\0' && !done) {
86 } else if (isalpha(UChar(*fmt))) {
89 case 'Z': /* FALLTHRU */
90 case 'h': /* FALLTHRU */
91 case 'l': /* FALLTHRU */
95 case 'i': /* FALLTHRU */
96 case 'd': /* FALLTHRU */
97 case 'u': /* FALLTHRU */
98 case 'x': /* FALLTHRU */
99 case 'X': /* FALLTHRU */
102 else if (type == 'Z')
108 case 'f': /* FALLTHRU */
109 case 'e': /* FALLTHRU */
110 case 'E': /* FALLTHRU */
111 case 'g': /* FALLTHRU */
112 case 'G': /* FALLTHRU */
121 VA_STR(const char *);
135 } else if (*fmt == '%') {
138 if (used != atUnknown) {
139 const char *param = buffer;
142 sprintf(buffer, "%d", ival);
145 sprintf(buffer, "%f", fval);
148 sprintf(buffer, "%p", pval);
151 param = _nc_visbuf2(1, sval);
157 result_len += strlen(param) + 2;
158 result_buf = typeRealloc(char, result_len, result_buf);
159 sprintf(result_buf + strlen(result_buf), ",%s", param);
171 empty_module(_nc_varargs)