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

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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
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45
include/SDL3/SDL_rwops.h
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@@ -490,11 +490,56 @@ extern DECLSPEC size_t SDLCALL SDL_RWread(SDL_RWops *context, void *ptr, size_t
* \sa SDL_RWFromConstMem
* \sa SDL_RWFromFile
* \sa SDL_RWFromMem
* \sa SDL_RWprint
* \sa SDL_RWread
* \sa SDL_RWseek
*/
extern DECLSPEC size_t SDLCALL SDL_RWwrite(SDL_RWops *context, const void *ptr, size_t size);
/**
* Print to an SDL_RWops data stream.
*
* This function does formatted printing to the stream.
*
* \param context a pointer to an SDL_RWops structure
* \param fmt a printf() style format string
* \param ... additional parameters matching % tokens in the `fmt` string, if any
* \returns the number of bytes written, or 0 on error; call SDL_GetError() for more information.
*
* \since This function is available since SDL 3.0.0.
*
* \sa SDL_RWclose
* \sa SDL_RWFromConstMem
* \sa SDL_RWFromFile
* \sa SDL_RWFromMem
* \sa SDL_RWread
* \sa SDL_RWseek
* \sa SDL_RWwrite
*/
extern DECLSPEC size_t SDLCALL SDL_RWprintf(SDL_RWops *context, SDL_PRINTF_FORMAT_STRING const char *fmt, ...);
/**
* Print to an SDL_RWops data stream.
*
* This function does formatted printing to the stream.
*
* \param context a pointer to an SDL_RWops structure
* \param fmt a printf() style format string
* \param ap a variable argument list
* \returns the number of bytes written, or 0 on error; call SDL_GetError() for more information.
*
* \since This function is available since SDL 3.0.0.
*
* \sa SDL_RWclose
* \sa SDL_RWFromConstMem
* \sa SDL_RWFromFile
* \sa SDL_RWFromMem
* \sa SDL_RWread
* \sa SDL_RWseek
* \sa SDL_RWwrite
*/
extern DECLSPEC size_t SDLCALL SDL_RWvprintf(SDL_RWops *context, const char *fmt, va_list ap);
/**
* Close and free an allocated SDL_RWops structure.
*