#define TESTUTIL_NO_size_t_COMPARISON
+#include <inttypes.h>
+#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <openssl/bio.h>
},
};
+enum arg_type {
+ AT_NONE = 0,
+ AT_CHAR, AT_SHORT, AT_INT, AT_LONG, AT_LLONG,
+ /* The ones below are used in n_data only so far */
+ AT_SIZE, AT_PTRDIFF, AT_STR,
+};
+
+static const struct int_data {
+ union {
+ unsigned char hh;
+ unsigned short h;
+ unsigned int i;
+ unsigned long l;
+ unsigned long long ll;
+ } value;
+ enum arg_type type;
+ const char *format;
+ const char *expected;
+ bool skip_libc_check;
+ /* Since OpenSSL's snprintf is non-standard on buffer overflow */
+ bool skip_libc_ret_check;
+ int exp_ret;
+} int_data[] = {
+ { { .hh = 0x42 }, AT_CHAR, "%+hhu", "66" },
+ { { .hh = 0x88 }, AT_CHAR, "%hhd", "-120" },
+ { { .hh = 0x0 }, AT_CHAR, "%hho", "0" },
+ { { .hh = 0x0 }, AT_CHAR, "%#hho", "0" },
+ { { .hh = 0x1 }, AT_CHAR, "%hho", "1" },
+ { { .hh = 0x1 }, AT_CHAR, "%#hho", "01" },
+ { { .hh = 0x0 }, AT_CHAR, "%+hhx", "0" },
+ { { .hh = 0x0 }, AT_CHAR, "%#hhx", "0" },
+ { { .hh = 0xf }, AT_CHAR, "%hhx", "f" },
+ { { .hh = 0xe }, AT_CHAR, "%hhX", "E" },
+ { { .hh = 0xd }, AT_CHAR, "%#hhx", "0xd" },
+ { { .hh = 0xc }, AT_CHAR, "%#hhX", "0XC" },
+ { { .hh = 0xb }, AT_CHAR, "%#04hhX", "0X0B" },
+ { { .hh = 0xa }, AT_CHAR, "%#-015hhx", "0xa " },
+ { { .hh = 0x9 }, AT_CHAR, "%#+01hho", "011" },
+ { { .hh = 0x8 }, AT_CHAR, "%#09hho", "000000010" },
+ { { .hh = 0x7 }, AT_CHAR, "%#+ 9hhi", " +7" },
+ { { .hh = 0x6 }, AT_CHAR, "%# 9hhd", " 6" },
+ { { .hh = 0x95 }, AT_CHAR, "%#06hhi", "-00107" },
+ { { .hh = 0x4 }, AT_CHAR, "%# hhd", " 4" },
+ { { .hh = 0x3 }, AT_CHAR, "%# hhu", "3" },
+ { { .hh = 0x0 }, AT_CHAR, "%02x", "00" },
+ { { .h = 0 }, AT_SHORT, "|%.0hd|", "||" },
+ { { .h = 0 }, AT_SHORT, "|%.hu|", "||" },
+ { { .h = 0 }, AT_SHORT, "|%#.ho|", "|0|" },
+ { { .h = 1 }, AT_SHORT, "%4.2hi", " 01" },
+ { { .h = 2 }, AT_SHORT, "%-4.3hu", "002 " },
+ { { .h = 3 }, AT_SHORT, "%+.3hu", "003" },
+ { { .h = 9 }, AT_SHORT, "%#5.2ho", " 011" },
+ { { .h = 0xf }, AT_SHORT, "%#-6.2hx", "0x0f " },
+ { { .h = 0xaa }, AT_SHORT, "%#8.0hX", " 0XAA" },
+ { { .h = 0xdead }, AT_SHORT, "%#hi", "-8531" },
+ { { .h = 0xcafe }, AT_SHORT, "%#0.1hX", "0XCAFE" },
+ { { .h = 0xbeef }, AT_SHORT, "%#012.8ho", " 00137357" },
+ { { .h = 0xbeef }, AT_SHORT, "%#000000000000000000012.ho", " 0137357" },
+ { { .h = 0xbeef }, AT_SHORT, "%012.ho", " 137357" },
+ { { .h = 0xfade }, AT_SHORT, "%#012ho", "000000175336" },
+ { { .h = 0xfaff }, AT_SHORT, "%#-012ho", "0175377 " },
+ { { .h = 0xbea7 }, AT_SHORT, "%#-012.8ho", "00137247 " },
+ { { .i = 0 }, AT_INT, "-%#+.0u-", "--" },
+ { { .i = 0 }, AT_INT, "-%-8.u-", "- -" },
+ { { .i = 0xdeadc0de }, AT_INT, "%#+67.65i",
+ " -0000000000000000000000000000000000000000000000000000000055903",
+ .skip_libc_ret_check = true, .exp_ret = -1 },
+ { { .i = 0xfeedface }, AT_INT, "%#+70.10X",
+ " 0X00F",
+ .skip_libc_ret_check = true, .exp_ret = -1 },
+ { { .i = 0xdecaffee }, AT_INT, "%76.15o",
+ " 00",
+ .skip_libc_ret_check = true, .exp_ret = -1 },
+ { { .i = 0x5ad }, AT_INT, "%#67.x",
+ " 0",
+ .skip_libc_ret_check = true, .exp_ret = -1 },
+ { { .i = 0x1337 }, AT_INT, "|%2147483639.x|",
+ "| ",
+ .skip_libc_ret_check = true, .exp_ret = -1 },
+ { { .i = 0x1337 }, AT_INT, "|%.2147483639x|",
+ "|00000000000000000000000000000000000000000000000000000000000000",
+#if defined(OPENSSL_SYS_WINDOWS)
+ /* MS CRT can't handle this one, snprintf() causes access violation. */
+ .skip_libc_check = true,
+#endif
+ .skip_libc_ret_check = true, .exp_ret = -1 },
+ /*
+ * We treat the following three format strings as errneous and bail out
+ * mid-string.
+ */
+ { { .i = 0x1337 }, AT_INT, "|%2147483647.x|", "|",
+ .skip_libc_check = true, .exp_ret = -1 },
+ { { .i = 0x1337 }, AT_INT,
+ "abcdefghijklmnopqrstuvwxyz0123456789ZYXWVUTSRQPONMLKJIHGFEDCBA"
+ "|%4294967295.x|",
+ "abcdefghijklmnopqrstuvwxyz0123456789ZYXWVUTSRQPONMLKJIHGFEDCBA|",
+ .skip_libc_check = true, .exp_ret = -1 },
+ { { .i = 0x1337 }, AT_INT, "%4294967302.x", "",
+ .skip_libc_check = true, .exp_ret = -1 },
+ { { .i = 0xbeeface }, AT_INT, "%#+-12.1d", "+200211150 " },
+ { { .l = 0 }, AT_LONG, "%%%#.0o%%", "%0%" },
+ { { .l = 0 }, AT_LONG, "%%%.0o%%", "%%" },
+ { { .l = 0 }, AT_LONG, "%%%-.0o%%", "%%" },
+ { { .l = 0xfacefed }, AT_LONG, "%#-1.14d", "00000262991853" },
+ { { .l = 0xdefaced }, AT_LONG, "%#+-014.11i", "+00233811181 " },
+ { { .l = 0xfacade }, AT_LONG, "%#0.14o", "00000076545336" },
+ { { .l = 0 }, AT_LONG, "%#0.14o", "00000000000000" },
+ { { .l = 0xfacade }, AT_LONG, "%#0.14x", "0x00000000facade" },
+ { { .ll = 0 }, AT_LLONG, "#%#.0x#", "##" },
+ { { .ll = 0 }, AT_LLONG, "#%.0x#", "##" },
+ { { .ll = 0xffffFFFFffffFFFFULL }, AT_LLONG, "%#-032llo",
+ "01777777777777777777777 " },
+ { { .ll = 0xbadc0deddeadfaceULL }, AT_LLONG, "%022lld",
+ "-004982091772484257074" },
+};
+
+static int test_int(int i)
+{
+ char bio_buf[64];
+ char std_buf[64];
+ int bio_ret;
+ int std_ret = 0;
+ const struct int_data *data = int_data + i;
+ const int exp_ret = data->exp_ret ? data->exp_ret
+ : (int) strlen(data->expected);
+
+ memset(bio_buf, '@', sizeof(bio_buf));
+ memset(std_buf, '#', sizeof(std_buf));
+
+ switch (data->type) {
+#define DO_PRINT(field_) \
+ do { \
+ bio_ret = BIO_snprintf(bio_buf, sizeof(bio_buf), data->format, \
+ data->value.field_); \
+ if (!data->skip_libc_check) \
+ std_ret = snprintf(std_buf, sizeof(std_buf), data->format, \
+ data->value.field_); \
+ } while (0)
+ case AT_CHAR:
+ DO_PRINT(hh);
+ break;
+ case AT_SHORT:
+ DO_PRINT(h);
+ break;
+ case AT_INT:
+ DO_PRINT(i);
+ break;
+ case AT_LONG:
+ DO_PRINT(l);
+ break;
+ case AT_LLONG:
+ DO_PRINT(ll);
+ break;
+ default:
+ TEST_error("Unexpected arg type: %d", data->type);
+ return 0;
+#undef DO_PRINT
+ }
+
+ if (!TEST_str_eq(bio_buf, data->expected)
+ + !TEST_int_eq(bio_ret, exp_ret)) {
+ TEST_note("Format: \"%s\"", data->format);
+ return 0;
+ }
+
+ /*
+ * We treat the unexpected discrepancies with libc results as notable,
+ * but not fatal.
+ */
+ if (!data->skip_libc_check) {
+ if (!TEST_str_eq(bio_buf, std_buf)
+ + !(data->skip_libc_ret_check || TEST_int_eq(bio_ret, std_ret))) {
+ TEST_note("Format: \"%s\"", data->format);
+#if defined(OPENSSL_STRICT_LIBC_PRINTF_CHECK)
+ return 0;
+#endif
+ }
+ }
+
+ return 1;
+}
+
+union ptrint {
+ uintptr_t i;
+ const char *s;
+};
+
+static const struct wp_data {
+ union ptrint value;
+ const char *format;
+ const char *expected;
+ int num_args;
+ int arg1;
+ int arg2;
+ bool skip_libc_check;
+ /* Since OpenSSL's snprintf is non-standard on buffer overflow */
+ bool skip_libc_ret_check;
+ int exp_ret;
+} wp_data[] = {
+ /* Integer checks with width/precision provided via arguments */
+ { { .i = 01234 }, "%#*" PRIoPTR, " 01234", 1, 12 },
+ { { .i = 01234 }, "%#.*" PRIxPTR, "0x00000000029c", 1, 12 },
+
+ { { .i = 0 }, "|%#*" PRIoPTR "|", "| 0|", 1, 2 },
+ { { .i = 0 }, "|%#.*" PRIoPTR "|", "|00|", 1, 2 },
+ { { .i = 0 }, "|%#.*" PRIoPTR "|", "|0|", 1, 1 },
+ { { .i = 0 }, "|%#.*" PRIoPTR "|", "|0|", 1, 0 },
+ { { .i = 0 }, "|%.*" PRIoPTR "|", "||", 1, 0 },
+ { { .i = 0 }, "|%#.*" PRIoPTR "|", "|0|", 1, -12 },
+
+ { { .i = 0 }, "|%#.*" PRIxPTR "|", "||", 1, 0 },
+ { { .i = 0 }, "|%#.*" PRIxPTR "|", "|0|", 1, -12 },
+ { { .i = 1 }, "|%#.*" PRIxPTR "|", "|0x1|", 1, -12 },
+
+ { { .i = 0 }, "|%#*.*" PRIxPTR "|", "| |", 2, 12, 0 },
+ { { .i = 1234 }, "|%*.*" PRIuPTR "|", "| 001234|", 2, 12, 6 },
+
+ /* FreeBSD's libc bails out on the following three */
+ { { .i = 1337 }, "|%*" PRIuPTR "|",
+ "| ",
+ 1, 2147483647, .skip_libc_check = true, .exp_ret = -1 },
+ { { .i = 1337 }, "|%.*" PRIuPTR "|",
+ "|00000000000000000000000000000000000000000000000000000000000000",
+ 1, 2147483647, .skip_libc_check = true, .exp_ret = -1 },
+ { { .i = 1337 }, "|%#*.*" PRIoPTR "|",
+ "| 0",
+ 2, 2147483647, 2147483586, .skip_libc_check = true, .exp_ret = -1 },
+
+ /* String width/precision checks */
+ { { .s = "01234" }, "%12s", " 01234" },
+ { { .s = "01234" }, "%-12s", "01234 " },
+ { { .s = "01234" }, "%.12s", "01234" },
+ { { .s = "01234" }, "%.2s", "01" },
+
+ { { .s = "abc" }, "%*s", " abc", 1, 12 },
+ { { .s = "abc" }, "%*s", "abc ", 1, -12 },
+ { { .s = "abc" }, "%-*s", "abc ", 1, 12 },
+ { { .s = "abc" }, "%-*s", "abc ", 1, -12 },
+
+ { { .s = "ABC" }, "%*.*s", " ABC", 2, 12, 5 },
+ { { .s = "ABC" }, "%*.*s", "AB ", 2, -12, 2 },
+ { { .s = "ABC" }, "%-*.*s", "ABC ", 2, 12, -5 },
+ { { .s = "ABC" }, "%-*.*s", "ABC ", 2, -12, -2 },
+
+ { { .s = "def" }, "%.*s", "def", 1, 12 },
+ { { .s = "%%s0123456789" }, "%.*s", "%%s01", 1, 5 },
+ { { .s = "9876543210" }, "|%-61s|",
+ "|9876543210 |" },
+ { { .s = "0123456789" }, "|%62s|",
+ "| 0123456789",
+ .skip_libc_ret_check = true, .exp_ret = -1 },
+
+ { { .s = "DEF" }, "%-2147483639s",
+ "DEF ",
+ .skip_libc_check = true, .exp_ret = -1 },
+ { { .s = "DEF" }, "%-2147483640s", "",
+ .skip_libc_check = true, .exp_ret = -1 },
+ { { .s = "DEF" }, "%*s",
+ " ",
+ 1, 2147483647, .skip_libc_check = true, .exp_ret = -1 },
+};
+
+static int test_width_precision(int i)
+{
+ char bio_buf[64];
+ char std_buf[64];
+ int bio_ret;
+ int std_ret = 0;
+ const struct wp_data *data = wp_data + i;
+ const int exp_ret = data->exp_ret ? data->exp_ret
+ : (int) strlen(data->expected);
+
+ memset(bio_buf, '@', sizeof(bio_buf));
+ memset(std_buf, '#', sizeof(std_buf));
+
+ switch (data->num_args) {
+ case 2:
+ bio_ret = BIO_snprintf(bio_buf, sizeof(bio_buf), data->format,
+ data->arg1, data->arg2, data->value.i);
+ if (!data->skip_libc_check)
+ std_ret = snprintf(std_buf, sizeof(std_buf), data->format,
+ data->arg1, data->arg2, data->value.i);
+ break;
+
+ case 1:
+ bio_ret = BIO_snprintf(bio_buf, sizeof(bio_buf), data->format,
+ data->arg1, data->value.i);
+ if (!data->skip_libc_check)
+ std_ret = snprintf(std_buf, sizeof(std_buf), data->format,
+ data->arg1, data->value.i);
+ break;
+
+ case 0:
+ default:
+ bio_ret = BIO_snprintf(bio_buf, sizeof(bio_buf), data->format,
+ data->value.i);
+ if (!data->skip_libc_check)
+ std_ret = snprintf(std_buf, sizeof(std_buf), data->format,
+ data->value.i);
+ }
+
+ if (!TEST_str_eq(bio_buf, data->expected)
+ + !TEST_int_eq(bio_ret, exp_ret)) {
+ TEST_note("Format: \"%s\"", data->format);
+ return 0;
+ }
+
+ /*
+ * We treat the unexpected discrepancies with libc results as notable,
+ * but not fatal, unless OPENSSL_STRICT_PRINTF_COMPLIANCE_CHECK is defined.
+ */
+ if (!data->skip_libc_check) {
+ if (!TEST_str_eq(bio_buf, std_buf)
+ + !(data->skip_libc_ret_check || TEST_int_eq(bio_ret, std_ret))) {
+ TEST_note("Format: \"%s\"", data->format);
+#if defined(OPENSSL_STRICT_LIBC_PRINTF_CHECK)
+ return 0;
+#endif
+ }
+ }
+
+ return 1;
+}
+
+static const struct n_data {
+ const char *format;
+ const char *expected;
+ enum arg_type n_type;
+ const uint64_t exp_n;
+ enum arg_type arg1_type;
+ union ptrint arg1;
+ enum arg_type arg2_type;
+ union ptrint arg2;
+ bool skip_libc_check;
+ /* Since OpenSSL's snprintf is non-standard on buffer overflow */
+ bool skip_libc_ret_check;
+ int exp_ret;
+} n_data[] = {
+ { "%n", "", AT_INT, 0, AT_NONE },
+ { "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz%n",
+ "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz",
+ AT_INT, 62, AT_NONE },
+ { "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz+=%n",
+ "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz+",
+ AT_INT, 64, AT_NONE, .skip_libc_ret_check = true, .exp_ret = -1 },
+ { "%" PRIdPTR "%hhn", "1234567890",
+ AT_CHAR, 10, AT_INT, { .i = 1234567890 } },
+ { "%#.200" PRIXPTR "%hhn",
+ "0X0000000000000000000000000000000000000000000000000000000000000",
+ AT_CHAR, 202, AT_INT, { .i = 1234567890 },
+ .skip_libc_ret_check = true, .exp_ret = -1 },
+ { "%#10000" PRIoPTR "%hhn1234567890",
+ " ",
+ /* XXX Should we overflow or saturate? glibc does the former. */
+ AT_CHAR, 16, AT_INT, { .i = 1234567890 },
+ .skip_libc_ret_check = true, .exp_ret = -1 },
+ { "%.0s%hn0987654321", "0987654321",
+ AT_SHORT, 0, AT_INT, { .s = "1234567890" } },
+ { "%-123456s%hn0987654321",
+ "1234567890 ",
+ AT_SHORT, 57920, AT_INT, { .s = "1234567890" },
+ .skip_libc_ret_check = true, .exp_ret = -1 },
+ { "%1234567898.1234567890" PRIxPTR "%n",
+ " 0000000000000000000000000000000000000000000000000000000",
+ AT_INT, 1234567898, AT_INT, { .i = 0xbadc0ded },
+#if defined(OPENSSL_SYS_WINDOWS)
+ /* MS CRT can't handle this one, snprintf() causes access violation. */
+ .skip_libc_check = true,
+#endif
+ .skip_libc_ret_check = true, .exp_ret = -1 },
+ { "%s|%n",
+ "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ|",
+ AT_INT, 63, AT_STR, { .s =
+ "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" } },
+ { "|%#2147483639x|%2147483639s|0123456789abcdef|%ln",
+ "| ",
+ AT_LONG, sizeof(long) == 8 ? 4294967298ULL : 2,
+ AT_INT, { .i = 0x1337 }, AT_STR, { .s = "1EE7" },
+ /* glibc caps %n value (1 << 32) - 1 */
+ .skip_libc_check = true, .exp_ret = -1 },
+ { "|%-2147483638s|0123456789abcdef|%02147483637o|0123456789ABCDEF|%lln",
+ "|echo test test test ",
+ AT_LLONG, 4294967312ULL,
+ AT_STR, { .s = "echo test test test" }, AT_INT, { .i = 0xbad },
+ /* glibc caps %n value (1 << 32) - 1 */
+ .skip_libc_check = true, .exp_ret = -1 },
+ { "|%+2147483639s|2147483639|%.2147483639u|2147483639|%zn",
+ "| ",
+ AT_SIZE, sizeof(size_t) == 8 ? 4294967303ULL : 7,
+ AT_STR, { .s = "according to all known laws of aviation" },
+ AT_INT, { .i = 0xbee },
+ /* glibc caps %n value (1 << 32) - 1 */
+ .skip_libc_check = true, .exp_ret = -1 },
+ { "==%2147483639.2147483639s==2147483639.2147483639==%+2147483639d==%tn==",
+ "== ",
+ AT_PTRDIFF, sizeof(ptrdiff_t) == 8 ? 4294967307ULL : 11,
+ AT_STR, { .s = "oh hi there hello" }, AT_INT, { .i = 0x1234 },
+ /* glibc caps %n value (1 << 32) - 1 */
+ .skip_libc_check = true, .exp_ret = -1 },
+ { "=%2147483639s=%888888888X=%tn=",
+ "= ",
+ AT_PTRDIFF, 3036372530U, AT_STR, { .s = NULL }, AT_INT, { .i = 0xdead },
+ .skip_libc_check = true, .exp_ret = -1 },
+};
+
+static int test_n(int i)
+{
+ const struct n_data *data = n_data + i;
+ const int exp_ret = data->exp_ret ? data->exp_ret
+ : (int) strlen(data->expected);
+ char bio_buf[64];
+ char std_buf[64];
+ int bio_ret;
+ int std_ret = 0;
+ bool skip_libc_check = data->skip_libc_check;
+ union {
+ uint64_t val;
+ signed char hh;
+ short h;
+ int i;
+ long int l;
+ long long int ll;
+ ossl_ssize_t z;
+ ptrdiff_t t;
+ } n = { 0 }, std_n = { 0 };
+
+#if defined(OPENSSL_SYS_WINDOWS)
+ /*
+ * MS CRT is special and throws an exception when %n is used even
+ * in non-*_s versions of printf routines, and there is a special function
+ * to enable %n handling.
+ */
+ _set_printf_count_output(1);
+ if (_get_printf_count_output() == 0) {
+ TEST_note("Can't enable %%n handling for snprintf"
+ ", skipping the checks against libc");
+ skip_libc_check = true;
+ }
+#elif defined(__OpenBSD__)
+ {
+ static bool note_printed;
+
+ if (!note_printed) {
+ TEST_note("OpenBSD libc unconditionally terminates a program "
+ "if %%n is used in a *printf routine"
+ ", skipping the checks against libc");
+ note_printed = true;
+ }
+
+ skip_libc_check = true;
+ }
+#endif /* defined(OPENSSL_SYS_WINDOWS) || defined(__OpenBSD__) */
+
+ memset(bio_buf, '@', sizeof(bio_buf));
+ memset(std_buf, '#', sizeof(std_buf));
+
+ switch (data->n_type) {
+#define DO_PRINT(field_) \
+ do { \
+ if (data->arg1_type == AT_NONE) { \
+ bio_ret = BIO_snprintf(bio_buf, sizeof(bio_buf), data->format, \
+ &n.field_); \
+ if (!skip_libc_check) \
+ std_ret = snprintf(std_buf, sizeof(std_buf), data->format, \
+ &std_n.field_); \
+ } else if (data->arg2_type == AT_NONE) { \
+ bio_ret = BIO_snprintf(bio_buf, sizeof(bio_buf), data->format, \
+ data->arg1.i, &n.field_); \
+ if (!skip_libc_check) \
+ std_ret = snprintf(std_buf, sizeof(std_buf), data->format, \
+ data->arg1.i, &std_n.field_); \
+ } else { \
+ bio_ret = BIO_snprintf(bio_buf, sizeof(bio_buf), data->format, \
+ data->arg1.i, data->arg2.i, &n.field_); \
+ if (!skip_libc_check) \
+ std_ret = snprintf(std_buf, sizeof(std_buf), data->format, \
+ data->arg1.i, data->arg2.i, &std_n.field_); \
+ } \
+ } while (0)
+ case AT_CHAR:
+ DO_PRINT(hh);
+ break;
+ case AT_SHORT:
+ DO_PRINT(h);
+ break;
+ case AT_INT:
+ DO_PRINT(i);
+ break;
+ case AT_LONG:
+ DO_PRINT(l);
+ break;
+ case AT_LLONG:
+ DO_PRINT(ll);
+ break;
+ case AT_SIZE:
+ DO_PRINT(z);
+ break;
+ case AT_PTRDIFF:
+ DO_PRINT(t);
+ break;
+ default:
+ TEST_error("Unexpected arg type: %d", data->n_type);
+ return 0;
+#undef DO_PRINT
+ }
+
+ if (!TEST_str_eq(bio_buf, data->expected)
+ + !TEST_uint64_t_eq(n.val, data->exp_n)
+ + !TEST_int_eq(bio_ret, exp_ret)) {
+ TEST_note("Format: \"%s\"", data->format);
+ return 0;
+ }
+
+ /*
+ * We treat the unexpected discrepancies with libc results as notable,
+ * but not fatal.
+ */
+ if (!data->skip_libc_check) {
+ if (!TEST_str_eq(bio_buf, std_buf)
+ + !TEST_uint64_t_eq(n.val, std_n.val)
+ + !(data->skip_libc_ret_check || TEST_int_eq(bio_ret, std_ret))) {
+ TEST_note("Format: \"%s\"", data->format);
+#if defined(OPENSSL_STRICT_LIBC_PRINTF_CHECK)
+ return 0;
+#endif
+ }
+ }
+
+ return 1;
+}
+
typedef struct z_data_st {
size_t value;
const char *format;
return 1;
}
+static const struct t_data {
+ size_t value;
+ const char *format;
+ const char *expected;
+} t_data[] = {
+ { PTRDIFF_MAX, "%+td",
+ sizeof(ptrdiff_t) == 4 ? "+2147483647" : "+9223372036854775807" },
+ { PTRDIFF_MIN, "%+ti",
+ sizeof(ptrdiff_t) == 4 ? "-2147483648" : "-9223372036854775808" },
+ { 0, "%tu", "0" },
+ { 0, "%+09ti", "+00000000" },
+};
+
+static int test_t(int i)
+{
+ char bio_buf[64];
+ char std_buf[64];
+ const struct t_data *data = &t_data[i];
+ const int exp_ret = (int) strlen(data->expected);
+ int bio_ret;
+ int std_ret;
+
+ memset(bio_buf, '@', sizeof(bio_buf));
+ memset(std_buf, '#', sizeof(std_buf));
+
+ bio_ret = BIO_snprintf(bio_buf, sizeof(bio_buf), data->format, data->value);
+ std_ret = snprintf(std_buf, sizeof(std_buf), data->format, data->value);
+ if (!TEST_str_eq(bio_buf, data->expected)
+ + !TEST_int_eq(bio_ret, exp_ret))
+ return 0;
+
+ /*
+ * We treat the unexpected discrepancies with libc results as notable,
+ * but not fatal.
+ */
+ if (!TEST_str_eq(bio_buf, std_buf)
+ + !TEST_int_eq(bio_ret, std_ret)) {
+ TEST_note("Format: \"%s\"", data->format);
+#if defined(OPENSSL_STRICT_LIBC_PRINTF_CHECK)
+ return 0;
+#endif
+ }
+
+ return 1;
+}
+
typedef struct j_data_st {
uint64_t value;
const char *format;
ADD_TEST(test_big);
ADD_ALL_TESTS(test_fp, OSSL_NELEM(pw_params));
+ ADD_ALL_TESTS(test_int, OSSL_NELEM(int_data));
+ ADD_ALL_TESTS(test_width_precision, OSSL_NELEM(wp_data));
+ ADD_ALL_TESTS(test_n, OSSL_NELEM(n_data));
ADD_ALL_TESTS(test_zu, OSSL_NELEM(zu_data));
+ ADD_ALL_TESTS(test_t, OSSL_NELEM(t_data));
ADD_ALL_TESTS(test_j, OSSL_NELEM(jf_data));
return 1;
}