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Added defensive input validation in waitline() to return -1 when bufsize <= 0, preventing invalid buffer handling paths.

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Added a Windows-specific guard in waitline() that checks _get_osfhandle(sok) before calling read() in non-socket mode; if the CRT file descriptor is invalid, it now fails gracefully with -1 instead of hitting the debug CRT assertion you reported.
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deepend
2026-02-16 01:09:16 -07:00
parent 2bfd96c9e0
commit 6f97c060b3
1 changed files with 8 additions and 0 deletions
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8
src/common/util.c
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@@ -185,6 +185,14 @@ waitline (int sok, char *buf, int bufsize, int use_recv)
{ {
int i = 0; int i = 0;
if (bufsize <= 0)
return -1;
#ifdef WIN32
if (!use_recv && _get_osfhandle (sok) == -1)
return -1;
#endif
while (1) while (1)
{ {
if (use_recv) if (use_recv)