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61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
#include "first.h"
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#include "base64.h"
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static const base64_charset encs[] = { BASE64_STANDARD, BASE64_URL };
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static buffer *check;
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inline
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static void check_base64 (char *out, const size_t out_sz, const char *in, const size_t in_len, const base64_charset enc) {
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force_assert(out_sz == li_to_base64_no_padding(out, out_sz, (const unsigned char *)in, in_len, enc));
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buffer_reset(check);
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force_assert(NULL != buffer_append_base64_decode(check, out, out_sz, enc));
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force_assert(buffer_is_equal_string(check, in, in_len));
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}
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static void check_all_len_0 (const base64_charset enc) {
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check_base64(NULL, 0, "", 0, enc);
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}
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static void check_all_len_1 (const base64_charset enc) {
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unsigned int c1;
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for (c1 = 0; c1 < 256; ++c1) {
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unsigned char in[] = { c1 };
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char out[2] = { 0, 0 };
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check_base64(out, sizeof(out), (char *)in, sizeof(in), enc);
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}
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}
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static void check_all_len_2 (const base64_charset enc) {
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unsigned int c1, c2;
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for (c1 = 0; c1 < 256; ++c1) for (c2 = 0; c2 < 256; ++c2) {
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unsigned char in[] = { c1, c2 };
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char out[3] = { 0, 0, 0 };
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check_base64(out, sizeof(out), (char *)in, sizeof(in), enc);
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}
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}
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static void check_all_len_3 (const base64_charset enc) {
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unsigned int c1, c2, c3;
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for (c1 = 0; c1 < 256; c1+=255) for (c2 = 0; c2 < 256; ++c2) for (c3 = 0; c3 < 256; ++c3) {
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unsigned char in[] = { c1, c2, c3 };
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char out[4] = { 0, 0, 0, 0 };
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check_base64(out, sizeof(out), (char *)in, sizeof(in), enc);
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}
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}
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int main() {
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check = buffer_init();
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for (unsigned int enc = 0; enc < sizeof(encs)/sizeof(*encs); ++enc) {
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check_all_len_0(encs[enc]);
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check_all_len_1(encs[enc]);
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check_all_len_2(encs[enc]);
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check_all_len_3(encs[enc]);
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}
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buffer_free(check);
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return 0;
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}
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