libcvmfs_options.cc

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#include <cassert>
#include <cstdlib>
#include <cstring>
#include <string>

#include "libcvmfs.h"
#include "options.h"

using namespace std;  // NOLINT


SimpleOptionsParser *cvmfs_options_clone(SimpleOptionsParser *opts) {
  SimpleOptionsParser *result = new SimpleOptionsParser(
      *reinterpret_cast<SimpleOptionsParser *>(opts));
  return result;
}


void cvmfs_options_fini(SimpleOptionsParser *opts) { delete opts; }


void cvmfs_options_free(char *value) { free(value); }


char *cvmfs_options_get(SimpleOptionsParser *opts, const char *key) {
  string arg;
  const bool retval = opts->GetValue(key, &arg);
  if (!retval)
    return NULL;
  char *result = strdup(arg.c_str());
  assert(result != NULL);
  return result;
}


char *cvmfs_options_dump(SimpleOptionsParser *opts) {
  char *result = strdup(opts->Dump().c_str());
  assert(result != NULL);
  return result;
}


SimpleOptionsParser *cvmfs_options_init() { return cvmfs_options_init_v2(0); }


SimpleOptionsParser *cvmfs_options_init_v2(int taint_environ) {
  SimpleOptionsParser *result = new SimpleOptionsParser();
  // In contrast to the fuse module, we don't want to taint the process'
  // environment with parameters from the cvmfs configuration in libcvmfs
  result->set_taint_environment(taint_environ);
  // Not strictly necessary but avoids a failure log message
  result->SetValue("CVMFS_MOUNT_DIR", "/cvmfs");
  return result;
}


void cvmfs_options_set(SimpleOptionsParser *opts, const char *key,
                       const char *value) {
  opts->SetValue(key, value);
}


int cvmfs_options_parse(SimpleOptionsParser *opts, const char *path) {
  const bool result = opts->TryParsePath(path);
  return result ? 0 : -1;
}

void cvmfs_options_parse_default(SimpleOptionsParser *opts, const char *fqrn) {
  opts->ParseDefault(fqrn);
}

void cvmfs_options_unset(SimpleOptionsParser *opts, const char *key) {
  opts->UnsetValue(key);
}