workspace.cpp

// Implementation
#include <cstdlib>
#include <filesystem>

#include "codspeed.h"
#include "utils.h"

namespace codspeed {

std::string safe_getenv(const char* var_name) {
#ifdef _WIN32
  // On Windows, use _dupenv_s instead of std::getenv for thread safety
  char* value;
  size_t len;
  errno_t err = _dupenv_s(&value, &len, var_name);
  if (err == 0 && value) {
    std::string result(value);
    free(value);
    return result;
  }
  return "";
#else
  const char* value = std::getenv(var_name);
  return value ? value : "";
#endif
}

std::string get_path_relative_to_workspace(const std::string& path) {
  // 1. Check for bazel usage, through the BUILD_WORKSPACE_DIRECTORY env var
  // If so, __FILE__ will already be relative to the bazel workspace root
  if (!safe_getenv("BUILD_WORKSPACE_DIRECTORY").empty()) {
    return path;
  }

  // 2. If defined, use the specificed value directly
#ifdef CODSPEED_ROOT_DIR
  return std::filesystem::relative(path, CODSPEED_ROOT_DIR).string();
#endif

  // 3. Fallback to bath relative to PWD
  return std::filesystem::relative(path, std::filesystem::current_path())
      .string();
}

}  // namespace codspeed