32 lines
943 B
C++
32 lines
943 B
C++
#include <jni.h>
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#include <sys/stat.h>
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#include <climits>
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#include <unistd.h>
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#include <string>
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thread_local static char buf[PATH_MAX + 1];
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extern "C" JNIEXPORT jstring Java_org_telegram_messenger_Utilities_readlink(JNIEnv *env, jclass clazz, jstring path) {
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const char *fileName = env->GetStringUTFChars(path, NULL);
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ssize_t result = readlink(fileName, buf, PATH_MAX);
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jstring value = 0;
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if (result != -1) {
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buf[result] = '\0';
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value = env->NewStringUTF(buf);
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}
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env->ReleaseStringUTFChars(path, fileName);
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return value;
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}
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extern "C" JNIEXPORT jstring Java_org_telegram_messenger_Utilities_readlinkFd(JNIEnv *env, jclass clazz, int fd) {
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std::string path = "/proc/self/fd/";
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path += fd;
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ssize_t result = readlink(path.c_str(), buf, PATH_MAX);
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jstring value = 0;
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if (result != -1) {
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buf[result] = '\0';
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value = env->NewStringUTF(buf);
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}
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return value;
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}
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