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Merge pull request #6735 from justinmk/funcattr

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clang 3.6+ REAL_FATTR_NONNULL_RET
This commit is contained in:
James McCoy
2017-05-20 12:37:18 -04:00
committed by GitHub
parent bde46fdece c77c54f1bc
commit 6a7514feaa
2 changed files with 11 additions and 19 deletions
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26
src/nvim/func_attr.h
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@@ -41,6 +41,8 @@
// $ gcc -E -dM - </dev/null // $ gcc -E -dM - </dev/null
// $ echo | clang -dM -E - // $ echo | clang -dM -E -
#include "nvim/macros.h"
#ifdef FUNC_ATTR_MALLOC #ifdef FUNC_ATTR_MALLOC
# undef FUNC_ATTR_MALLOC # undef FUNC_ATTR_MALLOC
#endif #endif
@@ -96,8 +98,7 @@
#ifndef DID_REAL_ATTR #ifndef DID_REAL_ATTR
# define DID_REAL_ATTR # define DID_REAL_ATTR
# ifdef __GNUC__ # ifdef __GNUC__
// place defines for all gnulikes here, for now that's gcc, clang and // For all gnulikes: gcc, clang, intel.
// intel.
// place these after the argument list of the function declaration // place these after the argument list of the function declaration
// (not definition), like so: // (not definition), like so:
@@ -113,26 +114,17 @@
# define REAL_FATTR_NONNULL_ARG(...) __attribute__((nonnull(__VA_ARGS__))) # define REAL_FATTR_NONNULL_ARG(...) __attribute__((nonnull(__VA_ARGS__)))
# define REAL_FATTR_NORETURN __attribute__((noreturn)) # define REAL_FATTR_NORETURN __attribute__((noreturn))
# ifdef __clang__ # if NVIM_HAS_ATTRIBUTE(returns_nonnull)
// clang only # define REAL_FATTR_NONNULL_RET __attribute__((returns_nonnull))
# elif defined(__INTEL_COMPILER) # endif
// intel only
# else # if NVIM_HAS_ATTRIBUTE(alloc_size)
# define GCC_VERSION \
(__GNUC__ * 10000 + \
__GNUC_MINOR__ * 100 + \
__GNUC_PATCHLEVEL__)
// gcc only
# define REAL_FATTR_ALLOC_SIZE(x) __attribute__((alloc_size(x))) # define REAL_FATTR_ALLOC_SIZE(x) __attribute__((alloc_size(x)))
# define REAL_FATTR_ALLOC_SIZE_PROD(x, y) __attribute__((alloc_size(x, y))) # define REAL_FATTR_ALLOC_SIZE_PROD(x, y) __attribute__((alloc_size(x, y)))
# if GCC_VERSION >= 40900
# define REAL_FATTR_NONNULL_RET __attribute__((returns_nonnull))
# endif
# endif # endif
# endif # endif
// define function attributes that haven't been defined for this specific // Define attributes that are not defined for this compiler.
// compiler.
# ifndef REAL_FATTR_MALLOC # ifndef REAL_FATTR_MALLOC
# define REAL_FATTR_MALLOC # define REAL_FATTR_MALLOC

4
src/nvim/path.c
View File

@@ -435,7 +435,7 @@ bool add_pathsep(char *p)
/// @return [allocated] Copy of absolute path to `fname` or NULL when /// @return [allocated] Copy of absolute path to `fname` or NULL when
/// `fname` is NULL. /// `fname` is NULL.
char *FullName_save(const char *fname, bool force) char *FullName_save(const char *fname, bool force)
FUNC_ATTR_NONNULL_RET FUNC_ATTR_MALLOC FUNC_ATTR_MALLOC
{ {
if (fname == NULL) { if (fname == NULL) {
return NULL; return NULL;
@@ -453,7 +453,7 @@ char *FullName_save(const char *fname, bool force)
/// @param name An absolute or relative path. /// @param name An absolute or relative path.
/// @return The absolute path of `name`. /// @return The absolute path of `name`.
char_u *save_absolute_path(const char_u *name) char_u *save_absolute_path(const char_u *name)
FUNC_ATTR_MALLOC FUNC_ATTR_NONNULL_RET FUNC_ATTR_NONNULL_ALL FUNC_ATTR_MALLOC FUNC_ATTR_NONNULL_ALL
{ {
if (!path_is_absolute_path(name)) { if (!path_is_absolute_path(name)) {
return (char_u *)FullName_save((char *)name, true); return (char_u *)FullName_save((char *)name, true);