diff options
Diffstat (limited to 'src/nvim/mbyte.c')
| -rw-r--r-- | src/nvim/mbyte.c | 51 |
1 files changed, 26 insertions, 25 deletions
diff --git a/src/nvim/mbyte.c b/src/nvim/mbyte.c index d96848754c..460528b85f 100644 --- a/src/nvim/mbyte.c +++ b/src/nvim/mbyte.c @@ -1304,6 +1304,7 @@ static int utf_strnicmp(const char_u *s1, const char_u *s2, size_t n1, # define CP_UTF8 65001 /* magic number from winnls.h */ #endif +/// Reassigns `strw` to a new, allocated pointer to a UTF16 string. int utf8_to_utf16(const char *str, WCHAR **strw) FUNC_ATTR_NONNULL_ALL { @@ -1345,40 +1346,40 @@ int utf8_to_utf16(const char *str, WCHAR **strw) return 0; } +/// Reassigns `str` to a new, allocated pointer to a UTF8 string. int utf16_to_utf8(const WCHAR *strw, char **str) FUNC_ATTR_NONNULL_ALL { // Compute the space required to store the string as UTF-8. - ssize_t utf8_len = WideCharToMultiByte(CP_UTF8, - 0, - strw, - -1, - NULL, - 0, - NULL, - NULL); + DWORD utf8_len = WideCharToMultiByte(CP_UTF8, + 0, + strw, + -1, + NULL, + 0, + NULL, + NULL); if (utf8_len == 0) { return GetLastError(); } - ssize_t buf_sz = utf8_len * sizeof(char); - char *buf = xmalloc(buf_sz); - char *pos = buf; + *str = xmalloc(utf8_len); - // Convert string to UTF-8. - int r = WideCharToMultiByte(CP_UTF8, - 0, - strw, - -1, - pos, - utf8_len, - NULL, - NULL); - assert(r == utf8_len); - if (r != utf8_len) { - EMSG2("WideCharToMultiByte failed: %d", r); - } - *str = pos; + // Convert to UTF-8. + utf8_len = WideCharToMultiByte(CP_UTF8, + 0, + strw, + -1, + *str, + utf8_len, + NULL, + NULL); + if (utf8_len == 0) { + free(*str); + *str = NULL; + return GetLastError(); + } + (*str)[utf8_len] = '\0'; return 0; } |