mirror of https://github.com/tailix/libkernaux.git
44 lines
956 B
C
44 lines
956 B
C
#define KERNAUX_ACCESS_PROTECTED
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#include <kernaux/generic/file.h>
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#include <kernaux/printf.h>
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#include <assert.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#define BUFFER_SIZE 1024
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static char buffer[BUFFER_SIZE];
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static size_t buffer_index = 0;
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static int my_putc(__attribute__((unused)) void *const file, unsigned char c)
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{
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if (buffer_index >= BUFFER_SIZE) abort();
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buffer[buffer_index++] = c;
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return 1;
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}
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static const struct KernAux_File file = {
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.putc = my_putc,
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.puts = NULL,
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.write = NULL,
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};
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static int my_printf(const char *const format, ...)
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{
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va_list va;
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va_start(va, format);
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const int result = kernaux_vfprintf(&file, format, va);
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va_end(va);
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return result;
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}
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void example_main()
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{
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const int result = my_printf("Hello, %s! Session ID: %u.", "Alex", 123);
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assert((size_t)result == strlen(buffer));
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assert(strcmp(buffer, "Hello, Alex! Session ID: 123.") == 0);
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}
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