diff options
Diffstat (limited to 'source/blender/blenlib/BLI_string_utf8.h')
| -rw-r--r-- | source/blender/blenlib/BLI_string_utf8.h | 58 |
1 files changed, 37 insertions, 21 deletions
diff --git a/source/blender/blenlib/BLI_string_utf8.h b/source/blender/blenlib/BLI_string_utf8.h index d20cbd2a91c..db32190494a 100644 --- a/source/blender/blenlib/BLI_string_utf8.h +++ b/source/blender/blenlib/BLI_string_utf8.h @@ -31,41 +31,57 @@ extern "C" { #endif -char *BLI_strncpy_utf8(char *__restrict dst, const char *__restrict src, size_t maxncpy); -char *BLI_strncat_utf8(char *__restrict dst, const char *__restrict src, size_t maxncpy); -int BLI_utf8_invalid_byte(const char *str, int length); -int BLI_utf8_invalid_strip(char *str, int length); +#ifdef __GNUC__ +# define ATTR_NONULL __attribute__((nonnull)) +# define ATTR_NONULL_FIRST __attribute__((nonnull(1))) +# define ATTR_UNUSED_RESULT __attribute__((warn_unused_result)) +#else +# define ATTR_NONULL +# define ATTR_NONULL_FIRST +# define ATTR_UNUSED_RESULT +#endif + +char *BLI_strncpy_utf8(char *__restrict dst, const char *__restrict src, size_t maxncpy) ATTR_NONULL; +char *BLI_strncat_utf8(char *__restrict dst, const char *__restrict src, size_t maxncpy) ATTR_NONULL; +int BLI_utf8_invalid_byte(const char *str, int length) ATTR_NONULL; +int BLI_utf8_invalid_strip(char *str, int length) ATTR_NONULL; -int BLI_str_utf8_size(const char *p); /* warning, can return -1 on bad chars */ -int BLI_str_utf8_size_safe(const char *p); +int BLI_str_utf8_size(const char *p) ATTR_NONULL; /* warning, can return -1 on bad chars */ +int BLI_str_utf8_size_safe(const char *p) ATTR_NONULL; /* copied from glib */ -unsigned int BLI_str_utf8_as_unicode(const char *p); -unsigned int BLI_str_utf8_as_unicode_and_size(const char *__restrict p, size_t *__restrict index); -unsigned int BLI_str_utf8_as_unicode_and_size_safe(const char *__restrict p, size_t *__restrict index); -unsigned int BLI_str_utf8_as_unicode_step(const char *__restrict p, size_t *__restrict index); +unsigned int BLI_str_utf8_as_unicode(const char *p) ATTR_NONULL; +unsigned int BLI_str_utf8_as_unicode_and_size(const char *__restrict p, size_t *__restrict index) ATTR_NONULL; +unsigned int BLI_str_utf8_as_unicode_and_size_safe(const char *__restrict p, size_t *__restrict index) ATTR_NONULL; +unsigned int BLI_str_utf8_as_unicode_step(const char *__restrict p, size_t *__restrict index) ATTR_NONULL; size_t BLI_str_utf8_from_unicode(unsigned int c, char *outbuf); -char *BLI_str_find_prev_char_utf8(const char *str, const char *p); -char *BLI_str_find_next_char_utf8(const char *p, const char *end); -char *BLI_str_prev_char_utf8(const char *p); +char *BLI_str_find_prev_char_utf8(const char *str, const char *p) ATTR_NONULL; +char *BLI_str_find_next_char_utf8(const char *p, const char *end) ATTR_NONULL_FIRST; +char *BLI_str_prev_char_utf8(const char *p) ATTR_NONULL; /* wchar_t functions, copied from blenders own font.c originally */ -size_t BLI_wstrlen_utf8(const wchar_t *src); -size_t BLI_strlen_utf8(const char *strc); -size_t BLI_strnlen_utf8(const char *start, const size_t maxlen); -size_t BLI_strncpy_wchar_as_utf8(char *__restrict dst, const wchar_t *__restrict src, const size_t maxcpy); -size_t BLI_strncpy_wchar_from_utf8(wchar_t *__restrict dst, const char *__restrict src, const size_t maxcpy); +size_t BLI_wstrlen_utf8(const wchar_t *src) ATTR_NONULL; +size_t BLI_strlen_utf8_ex(const char *strc, size_t *r_len_bytes) ATTR_NONULL; +size_t BLI_strlen_utf8(const char *strc) ATTR_NONULL; +size_t BLI_strnlen_utf8_ex(const char *strc, const size_t maxlen, size_t *r_len_bytes) ATTR_NONULL; +size_t BLI_strnlen_utf8(const char *strc, const size_t maxlen) ATTR_NONULL; +size_t BLI_strncpy_wchar_as_utf8(char *__restrict dst, const wchar_t *__restrict src, const size_t maxcpy) ATTR_NONULL; +size_t BLI_strncpy_wchar_from_utf8(wchar_t *__restrict dst, const char *__restrict src, const size_t maxcpy) ATTR_NONULL; /* count columns that character/string occupies, based on wcwidth.c */ int BLI_wcwidth(wchar_t ucs); -int BLI_wcswidth(const wchar_t *pwcs, size_t n); -int BLI_str_utf8_char_width(const char *p); /* warning, can return -1 on bad chars */ -int BLI_str_utf8_char_width_safe(const char *p); +int BLI_wcswidth(const wchar_t *pwcs, size_t n) ATTR_NONULL; +int BLI_str_utf8_char_width(const char *p) ATTR_NONULL; /* warning, can return -1 on bad chars */ +int BLI_str_utf8_char_width_safe(const char *p) ATTR_NONULL; #define BLI_UTF8_MAX 6 /* mem */ #define BLI_UTF8_WIDTH_MAX 2 /* columns */ #define BLI_UTF8_ERR ((unsigned int)-1) +#undef ATTR_NONULL +#undef ATTR_NONULL_FIRST +#undef ATTR_UNUSED_RESULT + #ifdef __cplusplus } #endif |