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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/testsuite/libjava.jni/martin.c | |
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Diffstat (limited to 'libjava/testsuite/libjava.jni/martin.c')
-rw-r--r-- | libjava/testsuite/libjava.jni/martin.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/libjava/testsuite/libjava.jni/martin.c b/libjava/testsuite/libjava.jni/martin.c new file mode 100644 index 000000000..0fbb8d0aa --- /dev/null +++ b/libjava/testsuite/libjava.jni/martin.c @@ -0,0 +1,43 @@ +#include <jni.h> +#include "martin.h" +#include <stdio.h> + +JNIEXPORT void JNICALL +Java_martin_myNative(JNIEnv* env, jobject this, jstring s) +{ + jclass cls; + jfieldID fid; + jobject obj; + jmethodID mid; + + printf("From C\n"); + fflush(stdout); + + cls = (*env)->FindClass(env, "java/lang/System"); + if (cls == 0) { + printf("java/lang/System lookup failed\n"); + return; + } + fid = (*env)->GetStaticFieldID(env, cls, "out", "Ljava/io/PrintStream;"); + if (fid == 0) { + printf("java/lang/System::out lookup failed\n"); + return; + } + obj = (*env)->GetStaticObjectField(env, cls, fid); + if (obj == 0) { + printf("GetStaticObjectField call failed\n"); + return; + } + cls = (*env)->GetObjectClass(env, obj); + if (cls == 0) { + printf("GetObjectClass(out) failed\n"); + return; + } + mid = (*env)->GetMethodID(env, cls, "println", "(Ljava/lang/String;)V"); + if (mid == 0) { + printf("println method lookup failed\n"); + return; + } + (*env)->CallVoidMethod(env, obj, mid, s); +} + |