05-18-2016
Quote:
Originally Posted by
wisecracker
As for the rest my code is designed to be as "bash" backwards compatible as is possible, and I am ignoring the 'printf' statements as errors.
Backwards compatible with what? It's already meant for bash, so I assume you mean sh... You store binary data in shell variables -- I wouldn't trust that to work in anything but brand-name BASH, and very modern BASH at that.
The problems it flags with printf are all legit, btw. What would happen if your binary data included a meaningless % character, just incidentally? printf would bomb, that's what, because % is not meaningless to printf. printf "%s" "$data" avoids that problem.
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LEARN ABOUT REDHAT
sdl_wasinit
SDL_WasInit(3) SDL API Reference SDL_WasInit(3)
NAME
SDL_WasInit- Check which subsystems are initialized
SYNOPSIS
#include "SDL.h"
Uint32 SDL_WasInit(Uint32 flags);
DESCRIPTION
SDL_WasInit allows you to see which SDL subsytems have been initialized. flags is a bitwise OR'd combination of the subsystems you wish to
check (see SDL_Init for a list of subsystem flags).
RETURN VALUE
SDL_WasInit returns a bitwised OR'd combination of the initialized subsystems.
EXAMPLES
/* Here are several ways you can use SDL_WasInit() */
/* Get init data on all the subsystems */
Uint32 subsystem_init;
subsystem_init=SDL_WasInit(SDL_INIT_EVERYTHING);
if(subsystem_init&SDL_INIT_VIDEO)
printf("Video is initialized.
");
else
printf("Video is not initialized.
");
/* Just check for one specfic subsystem */
if(SDL_WasInit(SDL_INIT_VIDEO)!=0)
printf("Video is initialized.
");
else
printf("Video is not initialized.
");
/* Check for two subsystems */
Uint32 subsystem_mask=SDL_INIT_VIDEO|SDL_INIT_AUDIO;
if(SDL_WasInit(subsystem_mask)==subsystem_mask)
printf("Video and Audio initialized.
");
else
printf("Video and Audio not initialized.
");
SEE ALSO
SDL_Init, SDL_Subsystem
SDL
Tue 11 Sep 2001, 23:00 SDL_WasInit(3)