waver : bump version to v1.3.2

- single-threaded app
- new message indicator
- audio capture indicator
- emscripten compatibility

examples/ggwave-common.cpp

@@ -1,6 +1,15 @@
 #include "ggwave-common.h"
 
+#include <dlfcn.h>
+#include <unistd.h>
+
 #include <cstring>
+#include <fstream>
+#include <iterator>
+
+namespace {
+void dummy() {}
+}
 
 std::map<std::string, std::string> parseCmdArguments(int argc, char ** argv) {
     int last = argc;
@@ -15,3 +24,53 @@ std::map<std::string, std::string> parseCmdArguments(int argc, char ** argv) {
 
     return res;
 }
+
+std::vector<char> readFile(const char* filename) {
+    std::ifstream file(filename, std::ios::binary);
+    if (!file.is_open() || !file.good()) return {};
+
+    file.unsetf(std::ios::skipws);
+    std::streampos fileSize;
+
+    file.seekg(0, std::ios::end);
+    fileSize = file.tellg();
+    file.seekg(0, std::ios::beg);
+
+    std::vector<char> vec;
+    vec.reserve(fileSize);
+
+    vec.insert(vec.begin(),
+               std::istream_iterator<char>(file),
+               std::istream_iterator<char>());
+
+    return vec;
+}
+
+std::string getBinaryPath() {
+#ifdef __EMSCRIPTEN__
+    return "";
+#endif
+    std::string result;
+    void* p = reinterpret_cast<void*>(dummy);
+
+    Dl_info info;
+    dladdr(p, &info);
+
+    if (*info.dli_fname == '/') {
+        result = info.dli_fname;
+    } else {
+        char buff[2048];
+        auto len = readlink("/proc/self/exe", buff, sizeof(buff) - 1);
+        if (len > 0) {
+            buff[len] = 0;
+            result = buff;
+        }
+    }
+
+    auto slash = result.rfind('/');
+    if (slash != std::string::npos) {
+        result.erase(slash + 1);
+    }
+
+    return result;
+}