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Commit ae39bd6c authored by Kunal Malhotra's avatar Kunal Malhotra Committed by Automerger Merge Worker
Browse files

Merge "Fixing DatabaseUtils to detect malformed UTF-16 strings" into udc-dev am: 24cc1544 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23545766



Change-Id: I9e3307b9b28f40bf80d8e6f9832d61ae3a6fb1ec
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 19799ee5 24cc1544

core/java/android/database/DatabaseUtils.java

+23 −9
Original line number Diff line number Diff line
@@ -511,17 +511,31 @@ public class DatabaseUtils { 
     */

    public static void appendEscapedSQLString(StringBuilder sb, String sqlString) {

        sb.append('\'');

        if (sqlString.indexOf('\'') != -1) {

        int length = sqlString.length();

        for (int i = 0; i < length; i++) {

            char c = sqlString.charAt(i);

            if (Character.isHighSurrogate(c)) {

                if (i == length - 1) {

                    continue;

                }

                if (Character.isLowSurrogate(sqlString.charAt(i + 1))) {

                    // add them both

                    sb.append(c);

                    sb.append(sqlString.charAt(i + 1));

                    continue;

                } else {

                    // this is a lone surrogate, skip it

                    continue;

                }

            }

            if (Character.isLowSurrogate(c)) {

                continue;

            }

            if (c == '\'') {

                sb.append('\'');

            }

            sb.append(c);

        }

        } else

            sb.append(sqlString);

        sb.append('\'');

    }