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c++: Update minimal libc headers

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Updates the minimal libc headers for differences between the C and C++
languages.  This includes ...
   1. Conditionally defining "bool", "true" and "false" as they are
      already keywords in C++.
   2. Making the definition of NULL language dependent.
   3. Using the _Restrict macro instead of the restrict keyword as
      restrict exists in C, but not in C++.
   4. Changing the definition of size_t so that it is compatible with
      what the compiler expects when building the new operator stubs
      (as it varies by architecture).

Change-Id: I37ff058a60b90a05f96e9dd6f61d454d143041ce
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
This commit is contained in:
Peter Mitsis 2015-12-17 11:04:31 -05:00 • committed by Anas Nashif
commit df3c6b13ab
10 changed files with 79 additions and 29 deletions
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8
lib/libc/minimal/source/stdout/sprintf.c
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@ -37,7 +37,7 @@ static int sprintf_out(int c, struct emitter *p)
return 0; /* indicate keep going so we get the total count */
}
int snprintf(char *restrict s, size_t len, const char *restrict format, ...)
int snprintf(char *_Restrict s, size_t len, const char *_Restrict format, ...)
{
va_list vargs;
@ -64,7 +64,7 @@ int snprintf(char *restrict s, size_t len, const char *restrict format, ...)
return r;
}
int sprintf(char *restrict s, const char *restrict format, ...)
int sprintf(char *_Restrict s, const char *_Restrict format, ...)
{
va_list vargs;
@ -82,7 +82,7 @@ int sprintf(char *restrict s, const char *restrict format, ...)
return r;
}
int vsnprintf(char *restrict s, size_t len, const char *restrict format, va_list vargs)
int vsnprintf(char *_Restrict s, size_t len, const char *_Restrict format, va_list vargs)
{
struct emitter p;
int r;
@ -105,7 +105,7 @@ int vsnprintf(char *restrict s, size_t len, const char *restrict format, va_list
return r;
}
int vsprintf(char *restrict s, const char *restrict format, va_list vargs)
int vsprintf(char *_Restrict s, const char *_Restrict format, va_list vargs)
{
struct emitter p;
int r;