diff options
Diffstat (limited to 'include/qemu')
| -rw-r--r-- | include/qemu/compiler.h | 9 | ||||
| -rw-r--r-- | include/qemu/cutils.h | 12 |
2 files changed, 21 insertions, 0 deletions
diff --git a/include/qemu/compiler.h b/include/qemu/compiler.h index 5843812710..bf47e7bee4 100644 --- a/include/qemu/compiler.h +++ b/include/qemu/compiler.h @@ -122,6 +122,15 @@ #ifndef __has_feature #define __has_feature(x) 0 /* compatibility with non-clang compilers */ #endif + +#ifndef __has_builtin +#define __has_builtin(x) 0 /* compatibility with non-clang compilers */ +#endif + +#if __has_builtin(__builtin_assume_aligned) || QEMU_GNUC_PREREQ(4, 7) +#define HAS_ASSUME_ALIGNED +#endif + /* Implement C11 _Generic via GCC builtins. Example: * * QEMU_GENERIC(x, (float, sinf), (long double, sinl), sin) (x) diff --git a/include/qemu/cutils.h b/include/qemu/cutils.h index 47aaa3b0b9..7071bfe2d4 100644 --- a/include/qemu/cutils.h +++ b/include/qemu/cutils.h @@ -169,4 +169,16 @@ bool test_buffer_is_zero_next_accel(void); int uleb128_encode_small(uint8_t *out, uint32_t n); int uleb128_decode_small(const uint8_t *in, uint32_t *n); +/** + * qemu_pstrcmp0: + * @str1: a non-NULL pointer to a C string (*str1 can be NULL) + * @str2: a non-NULL pointer to a C string (*str2 can be NULL) + * + * Compares *str1 and *str2 with g_strcmp0(). + * + * Returns: an integer less than, equal to, or greater than zero, if + * *str1 is <, == or > than *str2. + */ +int qemu_pstrcmp0(const char **str1, const char **str2); + #endif |