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Rename '_FOO' to avoid potentional collisions with reserved identifiers.

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C reserves identifiers of the from _[A-Z]+ and we have a number of
those in the code. This patch renames the various function arguments,
MACROS and preprocessor symbols to avoid the reserved form.

It also removes the CHANNELS() macro altogether. This was a
minor optimization for TI DSP to force a mono-only build,
as were the associated local 'const' versions. Since stereo
support is manditory, it wasn't worth keeping.

Thanks to John Ridges for raising the issue, and Jean-Marc Valin
and Greg Maxwell for reviewing the changes.
This commit is contained in:
Ralph Giles 2011-11-25 13:02:00 -08:00 • committed by Jean-Marc Valin
parent e1be1920ba
commit 120800f8fa
26 changed files with 132 additions and 162 deletions
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10
celt/stack_alloc.h
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@ -109,7 +109,7 @@
char *global_stack=0;
#else
extern char *global_stack;
#endif /*CELT_C*/
#endif /* CELT_C */
#ifdef ENABLE_VALGRIND
@ -119,7 +119,7 @@ extern char *global_stack;
char *global_stack_top=0;
#else
extern char *global_stack_top;
#endif /*CELT_C*/
#endif /* CELT_C */
#define ALIGN(stack, size) ((stack) += ((size) - (long)(stack)) & ((size) - 1))
#define PUSH(stack, size, type) (VALGRIND_MAKE_MEM_NOACCESS(stack, global_stack_top-stack),ALIGN((stack),sizeof(type)/sizeof(char)),VALGRIND_MAKE_MEM_UNDEFINED(stack, ((size)*sizeof(type)/sizeof(char))),(stack)+=(2*(size)*sizeof(type)/sizeof(char)),(type*)((stack)-(2*(size)*sizeof(type)/sizeof(char))))
@ -133,13 +133,13 @@ extern char *global_stack_top;
#define RESTORE_STACK (global_stack = _saved_stack)
#define ALLOC_STACK char *_saved_stack; (global_stack = (global_stack==0) ? opus_alloc_scratch(GLOBAL_STACK_SIZE) : global_stack); _saved_stack = global_stack;
#endif /*ENABLE_VALGRIND*/
#endif /* ENABLE_VALGRIND */
#include "os_support.h"
#define VARDECL(type, var) type *var
#define ALLOC(var, size, type) var = PUSH(global_stack, size, type)
#define SAVE_STACK char *_saved_stack = global_stack;
#endif /*VAR_ARRAYS*/
#endif /* VAR_ARRAYS */
#endif /*STACK_ALLOC_H*/
#endif /* STACK_ALLOC_H */