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Tweak Win32 errmsg buffer

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This commit is contained in:
Howard Chu 2016-02-15 00:07:04 +00:00
parent ad8488cfac
commit 798f020c59
1 changed files with 4 additions and 3 deletions
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7
libraries/liblmdb/mdb.c
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@ -1417,8 +1417,9 @@ mdb_strerror(int err)
* This works as long as no function between the call to mdb_strerror
* and the actual use of the message uses more than 4K of stack.
*/
char pad[4096];
char buf[1024], *ptr = buf;
#define MSGSIZE 1024
#define PADSIZE 4096
char buf[MSGSIZE+PADSIZE], *ptr = buf;
#endif
int i;
if (!err)
@ -1450,7 +1451,7 @@ mdb_strerror(int err)
buf[0] = 0;
FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, err, 0, ptr, sizeof(buf), (va_list *)pad);
NULL, err, 0, ptr, MSGSIZE, (va_list *)buf+MSGSIZE);
return ptr;
#else
return strerror(err);