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https://github.com/cc65/cc65.git
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95 lines
1.8 KiB
C
95 lines
1.8 KiB
C
/*
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!!DESCRIPTION!! variable argument lists
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!!ORIGIN!! LCC 4.1 Testsuite
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!!LICENCE!! own, freely distributeable for non-profit. read CPYRIGHT.LCC
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*/
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#include "common.h"
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#include <stdarg.h>
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#ifndef NO_FUNCS_TAKE_STRUCTS
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struct node
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{
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int a[4];
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} x =
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{
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#ifdef NO_SLOPPY_STRUCT_INIT
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{
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#endif
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1,2,3,4
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#ifdef NO_SLOPPY_STRUCT_INIT
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}
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#endif
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};
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#endif
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print(char *fmt, ...);
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main()
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{
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print("test 1\n");
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print("test %s\n", "2");
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print("test %d%c", 3, '\n');
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print("%s%s %w%c", "te", "st", 4, '\n');
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#ifdef NO_FLOATS
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print("%s%s %f%c", "te", "st", (signed long) 5, '\n');
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#else
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print("%s%s %f%c", "te", "st", 5.0, '\n');
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#endif
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#ifndef NO_FUNCS_TAKE_STRUCTS
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print("%b %b %b %b %b %b\n", x, x, x, x, x, x);
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#endif
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return 0;
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}
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print(char *fmt, ...) {
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va_list ap;
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va_start(ap, fmt);
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for (; *fmt; fmt++)
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{
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if (*fmt == '%')
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switch (*++fmt) {
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case 'b': {
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#ifdef NO_FUNCS_TAKE_STRUCTS
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printf("(1 2 3 4)");
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#else
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struct node x =
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va_arg(
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ap,
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struct node
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);
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printf("(%d %d %d %d)", x.a[0], x.a[1], x.a[2], x.a[3]);
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#endif
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break;
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}
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case 'c':
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/* printf("%c", va_arg(ap, char)); */
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printf("%c", va_arg(ap, int));
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break;
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case 'd':
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printf("%d", va_arg(ap, int));
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break;
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case 'w':
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/* printf("%x", va_arg(ap, short)); */
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printf("%x", va_arg(ap, int));
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break;
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case 's':
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printf("%s", va_arg(ap, char *));
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break;
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case 'f':
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#ifdef NO_FLOATS
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printf("%ld.000000", va_arg(ap, signed long));
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#else
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printf("%f", va_arg(ap, double));
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#endif
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break;
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default:
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printf("%c", *fmt);
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break;
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}
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else
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printf("%c", *fmt);
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}
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va_end(ap);
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}
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