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| author | 卜部昌平 <shyouhei@ruby-lang.org> | 2019-11-01 16:48:31 +0900 |
|---|---|---|
| committer | 卜部昌平 <shyouhei@ruby-lang.org> | 2019-11-01 16:58:19 +0900 |
| commit | 72f997edf66cb766b97feac709888c57852be084 (patch) | |
| tree | 0d98781c0340a00d5fa348df6659f65898c3a50e /include/ruby/defines.h | |
| parent | f5e406327200672f95d61c4ca4ffc9de03e6a5a7 (diff) | |
| download | ruby-72f997edf66cb766b97feac709888c57852be084.tar.gz | |
mark functions that do not return NULL as such.
Apply __attribute__((__returns_nonnull__)) when available.
Diffstat (limited to 'include/ruby/defines.h')
| -rw-r--r-- | include/ruby/defines.h | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/include/ruby/defines.h b/include/ruby/defines.h index 213956c3eb..5e03d49985 100644 --- a/include/ruby/defines.h +++ b/include/ruby/defines.h @@ -235,11 +235,20 @@ RUBY_SYMBOL_EXPORT_BEGIN # define RUBY_ATTR_MALLOC #endif -void *ruby_xmalloc(size_t) RUBY_ATTR_MALLOC RUBY_ATTR_ALLOC_SIZE((1)); -void *ruby_xmalloc2(size_t,size_t) RUBY_ATTR_MALLOC RUBY_ATTR_ALLOC_SIZE((1,2)); -void *ruby_xcalloc(size_t,size_t) RUBY_ATTR_MALLOC RUBY_ATTR_ALLOC_SIZE((1,2)); -void *ruby_xrealloc(void*,size_t) RUBY_ATTR_ALLOC_SIZE((2)); -void *ruby_xrealloc2(void*,size_t,size_t) RUBY_ATTR_ALLOC_SIZE((2,3)); +#ifdef __has_attribute +# if __has_attribute(returns_nonnull) +# define RUBY_ATTR_RETURNS_NONNULL __attribute__((__returns_nonnull__)) +# endif +#endif +#ifndef RUBY_ATTR_RETURNS_NONNULL +# define RUBY_ATTR_RETURNS_NONNULL +#endif + +void *ruby_xmalloc(size_t) RUBY_ATTR_MALLOC RUBY_ATTR_RETURNS_NONNULL RUBY_ATTR_ALLOC_SIZE((1)); +void *ruby_xmalloc2(size_t,size_t) RUBY_ATTR_MALLOC RUBY_ATTR_RETURNS_NONNULL RUBY_ATTR_ALLOC_SIZE((1,2)); +void *ruby_xcalloc(size_t,size_t) RUBY_ATTR_MALLOC RUBY_ATTR_RETURNS_NONNULL RUBY_ATTR_ALLOC_SIZE((1,2)); +void *ruby_xrealloc(void*,size_t) RUBY_ATTR_RETURNS_NONNULL RUBY_ATTR_ALLOC_SIZE((2)); +void *ruby_xrealloc2(void*,size_t,size_t) RUBY_ATTR_RETURNS_NONNULL RUBY_ATTR_ALLOC_SIZE((2,3)); void ruby_xfree(void*); #ifndef USE_GC_MALLOC_OBJ_INFO_DETAILS @@ -248,11 +257,11 @@ void ruby_xfree(void*); #if USE_GC_MALLOC_OBJ_INFO_DETAILS -void *ruby_xmalloc_body(size_t) RUBY_ATTR_ALLOC_SIZE((1)); -void *ruby_xmalloc2_body(size_t,size_t) RUBY_ATTR_ALLOC_SIZE((1,2)); -void *ruby_xcalloc_body(size_t,size_t) RUBY_ATTR_ALLOC_SIZE((1,2)); -void *ruby_xrealloc_body(void*,size_t) RUBY_ATTR_ALLOC_SIZE((2)); -void *ruby_xrealloc2_body(void*,size_t,size_t) RUBY_ATTR_ALLOC_SIZE((2,3)); +void *ruby_xmalloc_body(size_t) RUBY_ATTR_MALLOC RUBY_ATTR_RETURNS_NONNULL RUBY_ATTR_ALLOC_SIZE((1)); +void *ruby_xmalloc2_body(size_t,size_t) RUBY_ATTR_MALLOC RUBY_ATTR_RETURNS_NONNULL RUBY_ATTR_ALLOC_SIZE((1,2)); +void *ruby_xcalloc_body(size_t,size_t) RUBY_ATTR_MALLOC RUBY_ATTR_RETURNS_NONNULL RUBY_ATTR_ALLOC_SIZE((1,2)); +void *ruby_xrealloc_body(void*,size_t) RUBY_ATTR_RETURNS_NONNULL RUBY_ATTR_ALLOC_SIZE((2)); +void *ruby_xrealloc2_body(void*,size_t,size_t) RUBY_ATTR_RETURNS_NONNULL RUBY_ATTR_ALLOC_SIZE((2,3)); #define ruby_xmalloc(s1) ruby_xmalloc_with_location(s1, __FILE__, __LINE__) #define ruby_xmalloc2(s1, s2) ruby_xmalloc2_with_location(s1, s2, __FILE__, __LINE__) |