diff options
| -rw-r--r-- | sysdep/unix/log.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/sysdep/unix/log.c b/sysdep/unix/log.c index 08623d01..22291dc1 100644 --- a/sysdep/unix/log.c +++ b/sysdep/unix/log.c @@ -242,14 +242,23 @@ die(const char *msg, ...) void debug(const char *msg, ...) { +#define MAX_DEBUG_BUFSIZE 65536 va_list args; - char buf[1024]; + static uint bufsize = 4096; + static char *buf = NULL; + + if (!buf) + buf = mb_alloc(&root_pool, bufsize); va_start(args, msg); if (dbgf) { - if (bvsnprintf(buf, sizeof(buf), msg, args) < 0) - bsprintf(buf + sizeof(buf) - 100, " ... <too long>\n"); + while (bvsnprintf(buf, bufsize, msg, args) < 0) + if (bufsize >= MAX_DEBUG_BUFSIZE) + bug("Extremely long debug output, split it."); + else + buf = mb_realloc(buf, (bufsize *= 2)); + fputs(buf, dbgf); } va_end(args); |