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/* Copyright © 2013 Bart Massey */
/* This program is licensed under the GPL version 2 or later.
Please see the file COPYING.GPL2 in this distribution for
license terms. */
#define _GNU_SOURCE
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
#include <math.h>
#include <wchar.h>
#include <locale.h>
#ifndef __PICOLIBC__
#define printf_float(x) ((double)(x))
#endif
#define TEST_ASPRINTF
#ifdef __PICOLIBC__
#define TEST_ASNPRINTF
#endif
#define PRINTF_BUF_SIZE 512
static char buf[PRINTF_BUF_SIZE];
static wchar_t wbuf[PRINTF_BUF_SIZE];
static void
failmsg(int serial, char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
printf("test %d failed: ", serial);
vprintf(fmt, ap);
printf("\n");
va_end(ap);
}
#if ((__GNUC__ == 4 && __GNUC_MINOR__ >= 2) || __GNUC__ > 4)
#pragma GCC diagnostic ignored "-Wpragmas"
#pragma GCC diagnostic ignored "-Wunknown-warning-option"
/* 'bsize' is used directly with malloc/realloc which confuses -fanalyzer */
#pragma GCC diagnostic ignored "-Wanalyzer-va-arg-type-mismatch"
#pragma GCC diagnostic ignored "-Wanalyzer-va-list-exhausted"
#endif
static int
test(int serial, char *expect, char *fmt, ...)
{
va_list ap;
char *abuf = NULL;
char *as = NULL;
va_start(ap, fmt);
int n;
int ret = 0;
#ifdef TEST_ASPRINTF
int an;
va_list aap;
va_copy(aap, ap);
#endif
#ifdef TEST_ASNPRINTF
static char as_buf[16];
size_t as_len;
va_list aanp;
va_copy(aanp, ap);
#endif
#ifndef __IO_NO_FLOATING_POINT
#ifdef _HAS_IO_FLOAT
uint32_t dv;
#else
double dv;
#endif
#ifndef NO_LONG_DOUBLE
long double ldv;
#endif
char *star;
char *long_double;
#endif
switch (fmt[strlen(fmt) - 1]) {
case 'e':
case 'E':
case 'f':
case 'F':
case 'g':
case 'G':
case 'a':
case 'A':
#ifdef __IO_NO_FLOATING_POINT
return 0;
#else
star = strchr(fmt, '*');
long_double = strchr(fmt, 'L');
if (star) {
if (strchr(star + 1, '*')) {
int iv1 = va_arg(ap, int);
int iv2 = va_arg(ap, int);
#ifndef NO_LONG_DOUBLE
if (long_double) {
ldv = va_arg(ap, long double);
n = snprintf(buf, PRINTF_BUF_SIZE, fmt, iv1, iv2, ldv);
#ifdef TEST_ASPRINTF
an = asprintf(&abuf, fmt, iv1, iv2, ldv);
#endif
#ifdef TEST_ASNPRINTF
as_len = sizeof(as_buf);
as = asnprintf(as_buf, &as_len, fmt, iv1, iv2, ldv);
#endif
} else
#endif
{
dv = va_arg(ap, __typeof(dv));
n = snprintf(buf, PRINTF_BUF_SIZE, fmt, iv1, iv2, dv);
#ifdef TEST_ASPRINTF
an = asprintf(&abuf, fmt, iv1, iv2, dv);
#endif
#ifdef TEST_ASNPRINTF
as_len = sizeof(as_buf);
as = asnprintf(as_buf, &as_len, fmt, iv1, iv2, dv);
#endif
}
} else {
int iv = va_arg(ap, int);
#ifndef NO_LONG_DOUBLE
if (long_double) {
ldv = va_arg(ap, long double);
n = snprintf(buf, PRINTF_BUF_SIZE, fmt, iv, ldv);
#ifdef TEST_ASPRINTF
an = asprintf(&abuf, fmt, iv, ldv);
#endif
#ifdef TEST_ASNPRINTF
as_len = sizeof(as_buf);
as = asnprintf(as_buf, &as_len, fmt, iv, ldv);
#endif
} else
#endif
{
dv = va_arg(ap, __typeof(dv));
n = snprintf(buf, PRINTF_BUF_SIZE, fmt, iv, dv);
#ifdef TEST_ASPRINTF
an = asprintf(&abuf, fmt, iv, dv);
#endif
#ifdef TEST_ASNPRINTF
as_len = sizeof(as_buf);
as = asnprintf(as_buf, &as_len, fmt, iv, dv);
#endif
}
}
} else {
#ifndef NO_LONG_DOUBLE
if (long_double) {
ldv = va_arg(ap, long double);
n = snprintf(buf, PRINTF_BUF_SIZE, fmt, ldv);
#ifdef TEST_ASPRINTF
an = asprintf(&abuf, fmt, ldv);
#endif
#ifdef TEST_ASNPRINTF
as_len = sizeof(as_buf);
as = asnprintf(as_buf, &as_len, fmt, ldv);
#endif
} else
#endif
{
dv = va_arg(ap, __typeof(dv));
n = snprintf(buf, PRINTF_BUF_SIZE, fmt, dv);
#ifdef TEST_ASPRINTF
an = asprintf(&abuf, fmt, dv);
#endif
#ifdef TEST_ASNPRINTF
as_len = sizeof(as_buf);
as = asnprintf(as_buf, &as_len, fmt, dv);
#endif
}
}
break;
#endif
default:
n = vsnprintf(buf, PRINTF_BUF_SIZE, fmt, ap);
#ifdef TEST_ASPRINTF
an = vasprintf(&abuf, fmt, aap);
#endif
#ifdef TEST_ASNPRINTF
as_len = sizeof(as_buf);
as = vasnprintf(as_buf, &as_len, fmt, aanp);
#endif
break;
}
va_end(ap);
// printf("serial %d expect \"%s\" got \"%s\"\n", serial, expect, buf);
if (n >= PRINTF_BUF_SIZE) {
failmsg(serial, "buffer overflow");
ret = 1;
}
if (n != (int)strlen(expect)) {
failmsg(serial, "expected \"%s\" (%d), got \"%s\" (%d)", expect, (int)strlen(expect), buf,
n);
ret = 1;
}
if (strcmp(buf, expect)) {
failmsg(serial, "expected \"%s\", got \"%s\"", expect, buf);
ret = 1;
}
#ifdef TEST_ASPRINTF
va_end(aap);
if (an != n) {
failmsg(serial, "asprintf return %d sprintf return %d", an, n);
ret = 1;
}
if (strcmp(abuf, buf)) {
failmsg(serial, "sprintf return %s asprintf return %s", buf, abuf);
ret = 1;
}
#endif
#ifdef TEST_ASNPRINTF
va_end(aanp);
if (as_len != (size_t)n) {
failmsg(serial, "asnprintf return %d sprintf return %d", as_len, n);
ret = 1;
}
if (strcmp(as, buf)) {
failmsg(serial, "sprintf return %s asnprintf return %s", buf, as);
ret = 1;
}
if (as_len + 1 <= sizeof(as_buf)) {
if (as != as_buf)
failmsg(serial, "asnprintf shouldn't have allocated at %d\n", n);
} else {
if (as == as_buf)
failmsg(serial, "asnprintf should have allocated at %d\n", n);
}
if (as == as_buf)
as = NULL;
#endif
free(as);
free(abuf);
return ret;
}
static void
failmsgw(int serial, wchar_t *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
printf("test %d failed: ", serial);
static wchar_t f_wbuf[PRINTF_BUF_SIZE];
static char f_buf[PRINTF_BUF_SIZE];
vswprintf(f_wbuf, PRINTF_BUF_SIZE, fmt, ap);
wcstombs(f_buf, f_wbuf, PRINTF_BUF_SIZE);
printf("%s\n", f_buf);
va_end(ap);
}
static int
testw(int serial, wchar_t *expect, wchar_t *fmt, ...)
{
va_list ap;
wchar_t *abuf = NULL;
va_start(ap, fmt);
int n;
#ifndef __IO_NO_FLOATING_POINT
#ifdef _HAS_IO_FLOAT
uint32_t dv;
#else
double dv;
#endif
wchar_t *star;
#endif
switch (fmt[wcslen(fmt) - 1]) {
case 'e':
case 'E':
case 'f':
case 'F':
case 'g':
case 'G':
case 'a':
case 'A':
#ifdef __IO_NO_FLOATING_POINT
return 0;
#else
star = wcschr(fmt, '*');
if (star) {
if (wcschr(star + 1, '*')) {
int iv1 = va_arg(ap, int);
int iv2 = va_arg(ap, int);
dv = va_arg(ap, __typeof(dv));
n = swprintf(wbuf, PRINTF_BUF_SIZE, fmt, iv1, iv2, dv);
} else {
int iv = va_arg(ap, int);
dv = va_arg(ap, __typeof(dv));
n = swprintf(wbuf, PRINTF_BUF_SIZE, fmt, iv, dv);
}
} else {
dv = va_arg(ap, __typeof(dv));
n = swprintf(wbuf, PRINTF_BUF_SIZE, fmt, dv);
}
break;
#endif
default:
n = vswprintf(wbuf, PRINTF_BUF_SIZE, fmt, ap);
break;
}
va_end(ap);
// printf("serial %d expect \"%s\" got \"%s\"\n", serial, expect, wbuf);
if (n >= PRINTF_BUF_SIZE) {
failmsgw(serial, L"buffer overflow");
free(abuf);
return 1;
}
if (n != (int)wcslen(expect)) {
failmsgw(serial, L"expected \"%s\" (%d), got \"%s\" (%d)", expect, wcslen(expect), wbuf, n);
free(abuf);
return 1;
}
if (wcscmp(wbuf, expect)) {
failmsgw(serial, L"expected \"%ls\", got \"%ls\"", expect, wbuf);
free(abuf);
return 1;
}
return 0;
}
int
main(void)
{
int result = 0;
#if !defined(__PICOLIBC__) || defined(__MB_CAPABLE)
if (!setlocale(LC_CTYPE, "C.UTF-8")) {
printf("setlocale(LC_CTYPE, \"C.UTF-8\") failed\n");
return 1;
}
#endif
#include "test-printf-testcases.h"
return result;
}
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