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Replace safe_realloc use with userdata for better error handling.

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This commit is contained in:
batrick 2011-01-07 23:48:39 +00:00
parent b62c80f070
commit 1e0b42bf57
1 changed files with 7 additions and 6 deletions
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13
nse_ssl_cert.cc
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@ -104,7 +104,6 @@ extern "C"
{
#include "lua.h"
#include "lauxlib.h"
void *safe_realloc(void *, size_t);
}
#include "nse_nsock.h"
@ -163,14 +162,16 @@ static void obj_to_key(lua_State *L, const ASN1_OBJECT *obj)
nid = OBJ_obj2nid(obj);
if (nid == NID_undef) {
size_t size = 0;
char *buf = NULL;
size_t size = 1;
char *buf = (char *) lua_newuserdata(L, size);
const char *p, *q;
int i, n;
while ((n = OBJ_obj2txt(buf, size, obj, 1)) < 0 || (unsigned) n >= size) {
size = size * 2 + 1;
buf = (char *) safe_realloc(buf, size);
size = size * 2;
buf = (char *) lua_newuserdata(L, size);
memcpy(lua_touserdata(L, -1), lua_touserdata(L, -2), lua_objlen(L, -2));
lua_replace(L, -2);
}
lua_newtable(L);
@ -186,7 +187,7 @@ static void obj_to_key(lua_State *L, const ASN1_OBJECT *obj)
lua_rawseti(L, -2, i++);
p = q + 1;
}
free(buf);
lua_replace(L, -2); /* replace userdata with table */
} else {
lua_pushstring(L, OBJ_nid2ln(nid));
}