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Fix RegEnumValueW returned 234 (#131) 

RegEnumValueW may return ERROR_MORE_DATA (234).
If lpData is NULL and lpcbData is non-NULL, the function stores the size of the data, in bytes, in the variable pointed to by lpcbData. This enables an application to determine the best way to allocate a buffer for the data.
If the buffer specified by lpData is not large enough to hold the data, the function returns ERROR_MORE_DATA and stores the required buffer size in the variable pointed to by lpcbData. In this case, the contents of lpData are undefined.
This commit is contained in:
Clouds 2017-05-10 00:00:32 -05:00 committed by Manoj Ampalam
parent 9491729542
commit 77cdb7086d
1 changed files with 5 additions and 5 deletions
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10
session.c
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@ -343,11 +343,7 @@ static void setup_session_user_vars(Session* s) /* set user environment variable
ret = RegEnumValueW(reg_key, i++, name, &name_chars, 0, &type, (LPBYTE)data, &required);
if (ret == ERROR_NO_MORE_ITEMS)
break;
else if (ret != ERROR_SUCCESS) {
error("Error retrieving user environment variables. RegEnumValueW returned %d", ret);
break;
}
else if (required > data_chars * 2) {
else if (ret == ERROR_MORE_DATA || required > data_chars * 2) {
if (data != NULL)
free(data);
data = xmalloc(required);
@ -355,6 +351,10 @@ static void setup_session_user_vars(Session* s) /* set user environment variable
i--;
continue;
}
else if (ret != ERROR_SUCCESS) {
error("Error retrieving user environment variables. RegEnumValueW returned %d", ret);
break;
}
if (type == REG_SZ)
to_apply = data;