Added SDL_RWprintf() and SDL_RWvprintf() to do formatted printing to an SDL_rwops stream

Fixes https://github.com/libsdl-org/SDL/issues/2390
This commit is contained in:
Sam Lantinga
2023-11-04 13:57:16 -07:00
parent 52c4e3eab3
commit f9d11807c0
7 changed files with 133 additions and 2 deletions

View File

@@ -110,11 +110,11 @@ static void testGenericRWopsValidations(SDL_RWops *rw, SDL_bool write)
SDLTest_AssertPass("Call to SDL_RWseek succeeded");
SDLTest_AssertCheck(i == (Sint64)0, "Verify seek to 0 with SDL_RWseek (SDL_RW_SEEK_SET), expected 0, got %" SDL_PRIs64, i);
/* Test write. */
/* Test write */
s = SDL_RWwrite(rw, RWopsHelloWorldTestString, sizeof(RWopsHelloWorldTestString) - 1);
SDLTest_AssertPass("Call to SDL_RWwrite succeeded");
if (write) {
SDLTest_AssertCheck(s == sizeof(RWopsHelloWorldTestString) - 1, "Verify result of writing one byte with SDL_RWwrite, expected 1, got %i", (int)s);
SDLTest_AssertCheck(s == sizeof(RWopsHelloWorldTestString) - 1, "Verify result of writing with SDL_RWwrite, expected %i, got %i", (int)sizeof(RWopsHelloWorldTestString) - 1, (int)s);
} else {
SDLTest_AssertCheck(s == 0, "Verify result of writing with SDL_RWwrite, expected: 0, got %i", (int)s);
}
@@ -129,6 +129,37 @@ static void testGenericRWopsValidations(SDL_RWops *rw, SDL_bool write)
SDLTest_AssertPass("Call to SDL_RWseek succeeded");
SDLTest_AssertCheck(i == (Sint64)0, "Verify seek to 0 with SDL_RWseek (SDL_RW_SEEK_SET), expected 0, got %" SDL_PRIs64, i);
/* Test read */
s = SDL_RWread(rw, buf, sizeof(RWopsHelloWorldTestString) - 1);
SDLTest_AssertPass("Call to SDL_RWread succeeded");
SDLTest_AssertCheck(
s == (sizeof(RWopsHelloWorldTestString) - 1),
"Verify result from SDL_RWread, expected %i, got %i",
(int)(sizeof(RWopsHelloWorldTestString) - 1),
(int)s);
SDLTest_AssertCheck(
SDL_memcmp(buf, RWopsHelloWorldTestString, sizeof(RWopsHelloWorldTestString) - 1) == 0,
"Verify read bytes match expected string, expected '%s', got '%s'", RWopsHelloWorldTestString, buf);
/* Test seek back to start */
i = SDL_RWseek(rw, 0, SDL_RW_SEEK_SET);
SDLTest_AssertPass("Call to SDL_RWseek succeeded");
SDLTest_AssertCheck(i == (Sint64)0, "Verify seek to 0 with SDL_RWseek (SDL_RW_SEEK_SET), expected 0, got %" SDL_PRIs64, i);
/* Test printf */
s = SDL_RWprintf(rw, "%s", RWopsHelloWorldTestString);
SDLTest_AssertPass("Call to SDL_RWprintf succeeded");
if (write) {
SDLTest_AssertCheck(s == sizeof(RWopsHelloWorldTestString) - 1, "Verify result of writing with SDL_RWprintf, expected %i, got %i", (int)sizeof(RWopsHelloWorldTestString) - 1, (int)s);
} else {
SDLTest_AssertCheck(s == 0, "Verify result of writing with SDL_RWwrite, expected: 0, got %i", (int)s);
}
/* Test seek back to start */
i = SDL_RWseek(rw, 0, SDL_RW_SEEK_SET);
SDLTest_AssertPass("Call to SDL_RWseek succeeded");
SDLTest_AssertCheck(i == (Sint64)0, "Verify seek to 0 with SDL_RWseek (SDL_RW_SEEK_SET), expected 0, got %" SDL_PRIs64, i);
/* Test read */
s = SDL_RWread(rw, buf, sizeof(RWopsHelloWorldTestString) - 1);
SDLTest_AssertPass("Call to SDL_RWread succeeded");