test/bioprinttest.c: add some checks for integer and string printing

Signed-off-by: Eugene Syromiatnikov <esyr@openssl.org>

Reviewed-by: Saša Nedvědický <sashan@openssl.org>
Reviewed-by: Neil Horman <nhorman@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/28177)
This commit is contained in:
Eugene Syromiatnikov 2025-08-05 15:27:44 +02:00 committed by Neil Horman
parent 8d8a8aac53
commit 9deaf83833
1 changed files with 583 additions and 0 deletions

View File

@ -9,6 +9,8 @@
#define TESTUTIL_NO_size_t_COMPARISON #define TESTUTIL_NO_size_t_COMPARISON
#include <inttypes.h>
#include <stdbool.h>
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
#include <openssl/bio.h> #include <openssl/bio.h>
@ -113,6 +115,537 @@ static const char * const fpexpected[][11][5] = {
}, },
}; };
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 { typedef struct z_data_st {
size_t value; size_t value;
const char *format; const char *format;
@ -167,6 +700,52 @@ static int test_zu(int i)
return 1; 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 { typedef struct j_data_st {
uint64_t value; uint64_t value;
const char *format; const char *format;
@ -368,7 +947,11 @@ int setup_tests(void)
ADD_TEST(test_big); ADD_TEST(test_big);
ADD_ALL_TESTS(test_fp, OSSL_NELEM(pw_params)); 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_zu, OSSL_NELEM(zu_data));
ADD_ALL_TESTS(test_t, OSSL_NELEM(t_data));
ADD_ALL_TESTS(test_j, OSSL_NELEM(jf_data)); ADD_ALL_TESTS(test_j, OSSL_NELEM(jf_data));
return 1; return 1;
} }