diff options
Diffstat (limited to 'src/nvim/mbyte.c')
| -rw-r--r-- | src/nvim/mbyte.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/src/nvim/mbyte.c b/src/nvim/mbyte.c index 92e70350bb..fd9efb1387 100644 --- a/src/nvim/mbyte.c +++ b/src/nvim/mbyte.c @@ -1522,21 +1522,17 @@ int mb_stricmp(const char *s1, const char *s2) // 'encoding' has been set to. void show_utf8(void) { - int len; - int rlen = 0; - char *line; - int clen; - // Get the byte length of the char under the cursor, including composing // characters. - line = get_cursor_pos_ptr(); - len = utfc_ptr2len(line); + char *line = get_cursor_pos_ptr(); + int len = utfc_ptr2len(line); if (len == 0) { msg("NUL"); return; } - clen = 0; + size_t rlen = 0; + int clen = 0; for (int i = 0; i < len; i++) { if (clen == 0) { // start of (composing) character, get its length @@ -1546,10 +1542,11 @@ void show_utf8(void) } clen = utf_ptr2len(line + i); } - sprintf(IObuff + rlen, "%02x ", // NOLINT(runtime/printf) - (line[i] == NL) ? NUL : (uint8_t)line[i]); // NUL is stored as NL + assert(IOSIZE > rlen); + snprintf(IObuff + rlen, IOSIZE - rlen, "%02x ", + (line[i] == NL) ? NUL : (uint8_t)line[i]); // NUL is stored as NL clen--; - rlen += (int)strlen(IObuff + rlen); + rlen += strlen(IObuff + rlen); if (rlen > IOSIZE - 20) { break; } |