Add a simple test for the z modifier
#include <stdio.h>
#include <string.h>
#include <openssl/bio.h>
+#include "internal/numbers.h"
+
+#define nelem(x) (sizeof(x)/sizeof((x)[0]))
static int justprint = 0;
@@ -138,10 +141,42 @@ static void dofptest(int test, double val, char *width, int prec, int *fail)
}
}
+struct z_data_st {
+ size_t value;
+ const char *format;
+ const char *expected;
+};
+static struct z_data_st zu_data[] = {
+ { SIZE_MAX, "%zu", (sizeof(size_t) == 4 ? "4294967295"
+ : sizeof(size_t) == 8 ? "18446744073709551615"
+ : "") },
+ /*
+ * in 2-complement, the unsigned number divided by two plus one becomes the
+ * smallest possible negative signed number of the corresponding type
+ */
+ { SIZE_MAX / 2 + 1, "%zi", (sizeof(size_t) == 4 ? "-2147483648"
+ : sizeof(size_t) == 8 ? "-9223372036854775808"
+ : "") },
+ { 0, "%zu", "0" },
+ { 0, "%zi", "0" },
+};
+
+static void dozutest(int test, const struct z_data_st *data, int *fail)
+{
+ char bio_buf[80];
+
+ BIO_snprintf(bio_buf, sizeof(bio_buf) - 1, data->format, data->value);
+ if (strcmp(bio_buf, data->expected) != 0) {
+ printf("Test %d failed. Expected \"%s\". Got \"%s\". "
+ "Format \"%s\"\n", test, data->expected, bio_buf, data->format);
+ *fail = 1;
+ }
+}
+
int main(int argc, char **argv)
{
int test = 0;
- int i;
+ size_t i;
int fail = 0;
int prec = -1;
char *width = "";
@@ -207,6 +242,16 @@ int main(int argc, char **argv)
fail = 1;
}
+ for (i = 0; i < nelem(zu_data); i++) {
+ dozutest(test++, &zu_data[i], &fail);
+ }
+
+#if 0
+ for (i = 0; i < nelem(zi_data); i++) {
+ dozitest(test++, &zu_data[i], &fail);
+ }
+#endif
+
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
if (CRYPTO_mem_leaks_fp(stderr) <= 0)
return 1;
