2 * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
12 #include <openssl/bio.h>
13 #include "internal/numbers.h"
15 #define nelem(x) (sizeof(x)/sizeof((x)[0]))
17 static int justprint = 0;
19 static char *fpexpected[][5] = {
20 /* 0 */ { "0.0000e+00", "0.0000", "0", "0.0000E+00", "0" },
21 /* 1 */ { "6.7000e-01", "0.6700", "0.67", "6.7000E-01", "0.67" },
22 /* 2 */ { "6.6667e-01", "0.6667", "0.6667", "6.6667E-01", "0.6667" },
23 /* 3 */ { "6.6667e-04", "0.0007", "0.0006667", "6.6667E-04", "0.0006667" },
24 /* 4 */ { "6.6667e-05", "0.0001", "6.667e-05", "6.6667E-05", "6.667E-05" },
25 /* 5 */ { "6.6667e+00", "6.6667", "6.667", "6.6667E+00", "6.667" },
26 /* 6 */ { "6.6667e+01", "66.6667", "66.67", "6.6667E+01", "66.67" },
27 /* 7 */ { "6.6667e+02", "666.6667", "666.7", "6.6667E+02", "666.7" },
28 /* 8 */ { "6.6667e+03", "6666.6667", "6667", "6.6667E+03", "6667" },
29 /* 9 */ { "6.6667e+04", "66666.6667", "6.667e+04", "6.6667E+04", "6.667E+04" },
30 /* 10 */ { "0.00000e+00", "0.00000", "0", "0.00000E+00", "0" },
31 /* 11 */ { "6.70000e-01", "0.67000", "0.67", "6.70000E-01", "0.67" },
32 /* 12 */ { "6.66667e-01", "0.66667", "0.66667", "6.66667E-01", "0.66667" },
33 /* 13 */ { "6.66667e-04", "0.00067", "0.00066667", "6.66667E-04", "0.00066667" },
34 /* 14 */ { "6.66667e-05", "0.00007", "6.6667e-05", "6.66667E-05", "6.6667E-05" },
35 /* 15 */ { "6.66667e+00", "6.66667", "6.6667", "6.66667E+00", "6.6667" },
36 /* 16 */ { "6.66667e+01", "66.66667", "66.667", "6.66667E+01", "66.667" },
37 /* 17 */ { "6.66667e+02", "666.66667", "666.67", "6.66667E+02", "666.67" },
38 /* 18 */ { "6.66667e+03", "6666.66667", "6666.7", "6.66667E+03", "6666.7" },
39 /* 19 */ { "6.66667e+04", "66666.66667", "66667", "6.66667E+04", "66667" },
40 /* 20 */ { " 0.0000e+00", " 0.0000", " 0", " 0.0000E+00", " 0" },
41 /* 21 */ { " 6.7000e-01", " 0.6700", " 0.67", " 6.7000E-01", " 0.67" },
42 /* 22 */ { " 6.6667e-01", " 0.6667", " 0.6667", " 6.6667E-01", " 0.6667" },
43 /* 23 */ { " 6.6667e-04", " 0.0007", " 0.0006667", " 6.6667E-04", " 0.0006667" },
44 /* 24 */ { " 6.6667e-05", " 0.0001", " 6.667e-05", " 6.6667E-05", " 6.667E-05" },
45 /* 25 */ { " 6.6667e+00", " 6.6667", " 6.667", " 6.6667E+00", " 6.667" },
46 /* 26 */ { " 6.6667e+01", " 66.6667", " 66.67", " 6.6667E+01", " 66.67" },
47 /* 27 */ { " 6.6667e+02", " 666.6667", " 666.7", " 6.6667E+02", " 666.7" },
48 /* 28 */ { " 6.6667e+03", " 6666.6667", " 6667", " 6.6667E+03", " 6667" },
49 /* 29 */ { " 6.6667e+04", " 66666.6667", " 6.667e+04", " 6.6667E+04", " 6.667E+04" },
50 /* 30 */ { " 0.00000e+00", " 0.00000", " 0", " 0.00000E+00", " 0" },
51 /* 31 */ { " 6.70000e-01", " 0.67000", " 0.67", " 6.70000E-01", " 0.67" },
52 /* 32 */ { " 6.66667e-01", " 0.66667", " 0.66667", " 6.66667E-01", " 0.66667" },
53 /* 33 */ { " 6.66667e-04", " 0.00067", " 0.00066667", " 6.66667E-04", " 0.00066667" },
54 /* 34 */ { " 6.66667e-05", " 0.00007", " 6.6667e-05", " 6.66667E-05", " 6.6667E-05" },
55 /* 35 */ { " 6.66667e+00", " 6.66667", " 6.6667", " 6.66667E+00", " 6.6667" },
56 /* 36 */ { " 6.66667e+01", " 66.66667", " 66.667", " 6.66667E+01", " 66.667" },
57 /* 37 */ { " 6.66667e+02", " 666.66667", " 666.67", " 6.66667E+02", " 666.67" },
58 /* 38 */ { " 6.66667e+03", " 6666.66667", " 6666.7", " 6.66667E+03", " 6666.7" },
59 /* 39 */ { " 6.66667e+04", " 66666.66667", " 66667", " 6.66667E+04", " 66667" },
60 /* 40 */ { "0e+00", "0", "0", "0E+00", "0" },
61 /* 41 */ { "7e-01", "1", "0.7", "7E-01", "0.7" },
62 /* 42 */ { "7e-01", "1", "0.7", "7E-01", "0.7" },
63 /* 43 */ { "7e-04", "0", "0.0007", "7E-04", "0.0007" },
64 /* 44 */ { "7e-05", "0", "7e-05", "7E-05", "7E-05" },
65 /* 45 */ { "7e+00", "7", "7", "7E+00", "7" },
66 /* 46 */ { "7e+01", "67", "7e+01", "7E+01", "7E+01" },
67 /* 47 */ { "7e+02", "667", "7e+02", "7E+02", "7E+02" },
68 /* 48 */ { "7e+03", "6667", "7e+03", "7E+03", "7E+03" },
69 /* 49 */ { "7e+04", "66667", "7e+04", "7E+04", "7E+04" },
70 /* 50 */ { "0.000000e+00", "0.000000", "0", "0.000000E+00", "0" },
71 /* 51 */ { "6.700000e-01", "0.670000", "0.67", "6.700000E-01", "0.67" },
72 /* 52 */ { "6.666667e-01", "0.666667", "0.666667", "6.666667E-01", "0.666667" },
73 /* 53 */ { "6.666667e-04", "0.000667", "0.000666667", "6.666667E-04", "0.000666667" },
74 /* 54 */ { "6.666667e-05", "0.000067", "6.66667e-05", "6.666667E-05", "6.66667E-05" },
75 /* 55 */ { "6.666667e+00", "6.666667", "6.66667", "6.666667E+00", "6.66667" },
76 /* 56 */ { "6.666667e+01", "66.666667", "66.6667", "6.666667E+01", "66.6667" },
77 /* 57 */ { "6.666667e+02", "666.666667", "666.667", "6.666667E+02", "666.667" },
78 /* 58 */ { "6.666667e+03", "6666.666667", "6666.67", "6.666667E+03", "6666.67" },
79 /* 59 */ { "6.666667e+04", "66666.666667", "66666.7", "6.666667E+04", "66666.7" },
80 /* 60 */ { "0.0000e+00", "000.0000", "00000000", "0.0000E+00", "00000000" },
81 /* 61 */ { "6.7000e-01", "000.6700", "00000.67", "6.7000E-01", "00000.67" },
82 /* 62 */ { "6.6667e-01", "000.6667", "000.6667", "6.6667E-01", "000.6667" },
83 /* 63 */ { "6.6667e-04", "000.0007", "0.0006667", "6.6667E-04", "0.0006667" },
84 /* 64 */ { "6.6667e-05", "000.0001", "6.667e-05", "6.6667E-05", "6.667E-05" },
85 /* 65 */ { "6.6667e+00", "006.6667", "0006.667", "6.6667E+00", "0006.667" },
86 /* 66 */ { "6.6667e+01", "066.6667", "00066.67", "6.6667E+01", "00066.67" },
87 /* 67 */ { "6.6667e+02", "666.6667", "000666.7", "6.6667E+02", "000666.7" },
88 /* 68 */ { "6.6667e+03", "6666.6667", "00006667", "6.6667E+03", "00006667" },
89 /* 69 */ { "6.6667e+04", "66666.6667", "6.667e+04", "6.6667E+04", "6.667E+04" },
92 static void dofptest(int test, double val, char *width, int prec, int *fail)
94 char format[80], result[80];
97 for (i = 0; i < 5; i++) {
118 BIO_snprintf(format, sizeof(format), "%%%s.%d%s", width, prec,
121 BIO_snprintf(format, sizeof(format), "%%%s%s", width, fspec);
122 BIO_snprintf(result, sizeof(result), format, val);
126 printf(" /* %3d */ { \"%s\"", test, result);
128 printf(", \"%s\"", result);
131 if (strcmp(fpexpected[test][i], result) != 0) {
132 printf("Test %d(%d) failed. Expected \"%s\". Got \"%s\". "
133 "Format \"%s\"\n", test, i, fpexpected[test][i], result,
147 const char *expected;
149 static struct z_data_st zu_data[] = {
150 { SIZE_MAX, "%zu", (sizeof(size_t) == 4 ? "4294967295"
151 : sizeof(size_t) == 8 ? "18446744073709551615"
154 * in 2-complement, the unsigned number divided by two plus one becomes the
155 * smallest possible negative signed number of the corresponding type
157 { SIZE_MAX / 2 + 1, "%zi", (sizeof(size_t) == 4 ? "-2147483648"
158 : sizeof(size_t) == 8 ? "-9223372036854775808"
164 static void dozutest(int test, const struct z_data_st *data, int *fail)
168 BIO_snprintf(bio_buf, sizeof(bio_buf) - 1, data->format, data->value);
169 if (strcmp(bio_buf, data->expected) != 0) {
170 printf("Test %d failed. Expected \"%s\". Got \"%s\". "
171 "Format \"%s\"\n", test, data->expected, bio_buf, data->format);
179 const char *expected;
181 static struct j_data_st j_data[] = {
182 { 0xffffffffffffffffU, "%ju", "18446744073709551615" },
183 { 0xffffffffffffffffU, "%jx", "ffffffffffffffff" },
184 { 0x8000000000000000U, "%ju", "9223372036854775808" },
186 * These tests imply two's-complement, but it's the only binary
187 * representation we support, see test/sanitytest.c...
189 { 0x8000000000000000U, "%ji", "-9223372036854775808" },
192 static void dojtest(int test, const struct j_data_st *data, int *fail)
196 BIO_snprintf(bio_buf, sizeof(bio_buf) - 1, data->format, data->value);
197 if (strcmp(bio_buf, data->expected) != 0) {
198 printf("Test %d failed. Expected \"%s\". Got \"%s\". "
199 "Format \"%s\"\n", test, data->expected, bio_buf, data->format);
204 int main(int argc, char **argv)
211 const double frac = 2.0/3.0;
214 if (argc == 2 && strcmp(argv[1], "-expected") == 0) {
218 CRYPTO_set_mem_debug(1);
219 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
221 /* Tests for floating point format specifiers */
222 for (i = 0; i < 7; i++) {
254 dofptest(test++, 0.0, width, prec, &fail);
255 dofptest(test++, 0.67, width, prec, &fail);
256 dofptest(test++, frac, width, prec, &fail);
257 dofptest(test++, frac / 1000, width, prec, &fail);
258 dofptest(test++, frac / 10000, width, prec, &fail);
259 dofptest(test++, 6.0 + frac, width, prec, &fail);
260 dofptest(test++, 66.0 + frac, width, prec, &fail);
261 dofptest(test++, 666.0 + frac, width, prec, &fail);
262 dofptest(test++, 6666.0 + frac, width, prec, &fail);
263 dofptest(test++, 66666.0 + frac, width, prec, &fail);
266 /* Test excessively big number. Should fail */
267 if (BIO_snprintf(buf, sizeof(buf), "%f\n", 2 * (double)ULONG_MAX) != -1) {
268 printf("Test %d failed. Unexpected success return from "
269 "BIO_snprintf()\n", test);
273 for (i = 0; i < nelem(zu_data); i++) {
274 dozutest(test++, &zu_data[i], &fail);
277 for (i = 0; i < nelem(j_data); i++) {
278 dojtest(test++, &j_data[i], &fail);
281 #ifndef OPENSSL_NO_CRYPTO_MDEBUG
282 if (CRYPTO_mem_leaks_fp(stderr) <= 0)