diff options
Diffstat (limited to 'runtime/debug.c')
| -rw-r--r-- | runtime/debug.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/runtime/debug.c b/runtime/debug.c index 4504aaad..bc581a5d 100644 --- a/runtime/debug.c +++ b/runtime/debug.c @@ -961,6 +961,15 @@ dbgprintf(char *fmt, ...) va_start(ap, fmt); lenWriteBuf = vsnprintf(pszWriteBuf, sizeof(pszWriteBuf), fmt, ap); va_end(ap); + if(lenWriteBuf >= sizeof(pszWriteBuf)) { + /* prevent buffer overrruns and garbagge display */ + pszWriteBuf[sizeof(pszWriteBuf) - 5] = '.'; + pszWriteBuf[sizeof(pszWriteBuf) - 4] = '.'; + pszWriteBuf[sizeof(pszWriteBuf) - 3] = '.'; + pszWriteBuf[sizeof(pszWriteBuf) - 2] = '\n'; + pszWriteBuf[sizeof(pszWriteBuf) - 1] = '\0'; + lenWriteBuf = sizeof(pszWriteBuf); + } dbgprint(NULL, pszWriteBuf, lenWriteBuf); } |