jD91mZM2
41 lines
1.0 KiB
C
41 lines
1.0 KiB
C
#include <stdarg.h>
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#include <stdio.h>
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struct params {
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short sa;
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int ia;
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int ib;
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int ic;
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float fa;
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double da;
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int *ptr;
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char c;
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char string[20];
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};
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void test(char* fmt_in, char* input, struct params *p, ...) {
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va_list args;
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va_start(args, p);
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int ret = vsscanf(input, fmt_in, args);
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va_end(args);
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printf(
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"%d, { sa: %hhd, ia: %d, ib: %d, ic: %d, fa: %f, da: %lf, ptr: %p, char: %c, string: %s }\n",
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ret, p->sa, p->ia, p->ib, p->ic, p->fa, p->da, p->ptr, p->c, p->string
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);
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}
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int main(int argc, char ** argv) {
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struct params p = { .c = 'a' };
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test("%hhd %d", "12 345", &p, &p.sa, &p.ia);
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test("%x %i %i", "12 0x345 010", &p, &p.ia, &p.ib, &p.ic);
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test("%f.%lf", "0.1.0.2", &p, &p.fa, &p.da);
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test("%p", "0xABCDEF", &p, &p.ptr);
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test("%s", "Hello World", &p, &p.string);
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test("%3i", "0xFF", &p, &p.ia);
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test("%c%3c", "hello", &p, &p.c, &p.string);
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test("test: %2i%n", "test: 0xFF", &p, &p.ia, &p.ib);
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test("hello world%%", "hello world%", &p);
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}
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