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Bind sqlite3_strlike/strglob() to JNI.

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FossilOrigin-Name: eb5440f71be32812f6310756b8e30958002e8e8e41a7eb16f081058ff733b47c
This commit is contained in:
stephan
2023-08-08 10:58:16 +00:00
parent aeae7904a5
commit c693bd59f7
5 changed files with 70 additions and 12 deletions
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30
ext/jni/src/c/sqlite3-jni.c
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@ -543,6 +543,11 @@ static struct {
#endif
} S3JniGlobal;
#define OOM_CHECK(VAR) if(!(VAR)) s3jni_oom(env)
static void s3jni_oom(JNIEnv * const env){
(*env)->FatalError(env, "Out of memory.") /* does not return */;
}
/**
sqlite3_malloc() proxy which fails fatally on OOM. This should
only be used for routines which manage global state and have no
@ -551,9 +556,7 @@ static struct {
*/
static void * s3jni_malloc(JNIEnv * const env, size_t n){
void * const rv = sqlite3_malloc(n);
if(n && !rv){
(*env)->FatalError(env, "Out of memory.") /* does not return */;
}
if(n && !rv) s3jni_oom(env);
return rv;
}
@ -3056,6 +3059,27 @@ JDECL(void,1set_1last_1insert_1rowid)(JENV_CSELF, jobject jpDb, jlong rowId){
(sqlite3_int64)rowId);
}
static int s3jni_strlike_glob(int isLike, JNIEnv *const env,
jbyteArray baG, jbyteArray baT){
int rc = 0;
jbyte * const pG = JBA_TOC(baG);
jbyte * const pT = pG ? JBA_TOC(baT) : 0;
OOM_CHECK(pT);
rc = sqlite3_strglob((const char *)pG, (const char *)pT);
JBA_RELEASE(baG, pG);
JBA_RELEASE(baT, pT);
return rc;
}
JDECL(int,1strglob)(JENV_CSELF, jbyteArray baG, jbyteArray baT){
return s3jni_strlike_glob(0, env, baG, baT);
}
JDECL(int,1strlike)(JENV_CSELF, jbyteArray baG, jbyteArray baT){
return s3jni_strlike_glob(1, env, baG, baT);
}
JDECL(jint,1shutdown)(JENV_CSELF){
S3JniGlobal_S3JniEnvCache_clear();
/* Do not clear S3JniGlobal.jvm: it's legal to call

16
ext/jni/src/c/sqlite3-jni.h
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@ -1459,6 +1459,22 @@ JNIEXPORT jstring JNICALL Java_org_sqlite_jni_SQLite3Jni_sqlite3_1sourceid
JNIEXPORT jint JNICALL Java_org_sqlite_jni_SQLite3Jni_sqlite3_1step
(JNIEnv *, jclass, jobject);
/*
* Class: org_sqlite_jni_SQLite3Jni
* Method: sqlite3_strglob
* Signature: ([B[B)I
*/
JNIEXPORT jint JNICALL Java_org_sqlite_jni_SQLite3Jni_sqlite3_1strglob
(JNIEnv *, jclass, jbyteArray, jbyteArray);
/*
* Class: org_sqlite_jni_SQLite3Jni
* Method: sqlite3_strlike
* Signature: ([B[B)I
*/
JNIEXPORT jint JNICALL Java_org_sqlite_jni_SQLite3Jni_sqlite3_1strlike
(JNIEnv *, jclass, jbyteArray, jbyteArray);
/*
* Class: org_sqlite_jni_SQLite3Jni
* Method: sqlite3_threadsafe

18
ext/jni/src/org/sqlite/jni/SQLite3Jni.java
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@ -850,6 +850,24 @@ public final class SQLite3Jni {
public static native int sqlite3_step(@NotNull sqlite3_stmt stmt);
private static native int sqlite3_strglob(@NotNull byte[] glob, @NotNull byte[] txt);
public static int sqlite3_strglob(@NotNull String glob, @NotNull String txt){
return sqlite3_strglob(
glob.getBytes(StandardCharsets.UTF_8),
txt.getBytes(StandardCharsets.UTF_8)
);
}
private static native int sqlite3_strlike(@NotNull byte[] glob, @NotNull byte[] txt);
public static int sqlite3_strlike(@NotNull String glob, @NotNull String txt){
return sqlite3_strlike(
glob.getBytes(StandardCharsets.UTF_8),
txt.getBytes(StandardCharsets.UTF_8)
);
}
public static native int sqlite3_threadsafe();
public static native int sqlite3_total_changes(@NotNull sqlite3 db);