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Tweak mdb_strerror msg buffer

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This commit is contained in:
Howard Chu 2016-01-27 01:53:29 +00:00
parent 78ad970a2c
commit 3ca6e853f6
1 changed files with 4 additions and 3 deletions
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7
external/db_drivers/liblmdb/mdb.c vendored
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@ -1572,8 +1572,9 @@ mdb_strerror(int err)
* This works as long as no function between the call to mdb_strerror * 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. * and the actual use of the message uses more than 4K of stack.
*/ */
char pad[4096]; #define MSGSIZE 1024
char buf[1024], *ptr = buf; #define PADSIZE 4096
char buf[MSGSIZE+PADSIZE], *ptr = buf;
#endif #endif
int i; int i;
if (!err) if (!err)
@ -1605,7 +1606,7 @@ mdb_strerror(int err)
buf[0] = 0; buf[0] = 0;
FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS, FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, err, 0, ptr, sizeof(buf), (va_list *)pad); NULL, err, 0, ptr, MSGSIZE, (va_list *)buf+MSGSIZE);
return ptr; return ptr;
#else #else
return strerror(err); return strerror(err);