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fix possible int overflow fixes #Issue 119 #121

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Merged
davecramer merged 1 commit into from
May 27, 2025
Merged

fix possible int overflow fixes #Issue 119 #121

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6 changes: 6 additions & 0 deletions win_unicode.c
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <limits.h>

#ifdef WIN32
#define FORMAT_SIZE_T "%Iu"
Expand Down Expand Up @@ -1278,6 +1279,11 @@ SQLLEN bindcol_localize_exec(char *ldt, size_t n, BOOL lf_conv, char **wcsbuf)
{
SQLLEN l = (-2);

if (n > INT_MAX) {
// Handle error case
return -1;
}

get_convtype();
MYLOG(0, " size=" FORMAT_SIZE_T "\n", n);
#if defined(__WCS_ISO10646__)
Expand Down