Added support for switching the terminal to bold mode.

src/main/cpp/posixFunctions.c

@@ -1,9 +1,12 @@
 #include "native.h"
+#include <stdlib.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <errno.h>
 #include <unistd.h>
 #include <sys/ioctl.h>
+#include <curses.h>
+#include <term.h>
 
 void markFailed(JNIEnv *env, jobject result) {
     jclass destClass = env->GetObjectClass(result);
@@ -11,6 +14,19 @@ void markFailed(JNIEnv *env, jobject result) {
     env->CallVoidMethod(result, method, errno);
 }
 
+/*
+ * Generic functions
+ */
+
+JNIEXPORT jint JNICALL
+Java_net_rubygrapefruit_platform_internal_NativeLibraryFunctions_getVersion(JNIEnv *env, jclass target) {
+    return 1;
+}
+
+/*
+ * File functions
+ */
+
 JNIEXPORT void JNICALL
 Java_net_rubygrapefruit_platform_internal_PosixFileFunctions_chmod(JNIEnv *env, jclass target, jstring path, jint mode, jobject result) {
     const char* pathUtf8 = env->GetStringUTFChars(path, NULL);
@@ -34,11 +50,19 @@ Java_net_rubygrapefruit_platform_internal_PosixFileFunctions_stat(JNIEnv *env, j
     env->SetIntField(dest, modeField, 0777 & fileInfo.st_mode);
 }
 
+/*
+ * Process functions
+ */
+
 JNIEXPORT jint JNICALL
 Java_net_rubygrapefruit_platform_internal_PosixProcessFunctions_getPid(JNIEnv *env, jclass target) {
     return getpid();
 }
 
+/*
+ * Terminal functions
+ */
+
 JNIEXPORT jboolean JNICALL
 Java_net_rubygrapefruit_platform_internal_PosixTerminalFunctions_isatty(JNIEnv *env, jclass target, jint output) {
     switch (output) {
@@ -64,3 +88,51 @@ Java_net_rubygrapefruit_platform_internal_PosixTerminalFunctions_getTerminalSize
     jfieldID heightField = env->GetFieldID(dimensionClass, "rows", "I");
     env->SetIntField(dimension, heightField, screen_size.ws_row);
 }
+
+/*
+ * Terminfo functions
+ */
+
+int current_terminal = -1;
+
+int write_to_terminal(int ch) {
+    write(current_terminal, &ch, 1);
+}
+
+void write_capability(JNIEnv *env, const char* capability, jobject result) {
+    char* cap = tgetstr((char*)capability, NULL);
+    if (cap == NULL) {
+        markFailed(env, result);
+        return;
+    }
+    if (tputs(cap, 1, write_to_terminal) == ERR) {
+        markFailed(env, result);
+        return;
+    }
+}
+
+JNIEXPORT void JNICALL
+Java_net_rubygrapefruit_platform_internal_TerminfoFunctions_initTerminal(JNIEnv *env, jclass target, jint output, jobject result) {
+    char* termType = getenv("TERM");
+    if (termType == NULL) {
+        markFailed(env, result);
+        return;
+    }
+    int retval = tgetent(NULL, termType);
+    if (retval != 1) {
+        markFailed(env, result);
+        return;
+    }
+    current_terminal = output + 1;
+    write_capability(env, "me", result);
+}
+
+JNIEXPORT void JNICALL
+Java_net_rubygrapefruit_platform_internal_TerminfoFunctions_bold(JNIEnv *env, jclass target, jint output, jobject result) {
+    write_capability(env, "md", result);
+}
+
+JNIEXPORT void JNICALL
+Java_net_rubygrapefruit_platform_internal_TerminfoFunctions_normal(JNIEnv *env, jclass target, jint output, jobject result) {
+    write_capability(env, "me", result);
+}