aiie/nix/nix-prefs.cpp

67 lines
1.1 KiB
C++
Raw Normal View History

#include "nix-prefs.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <pwd.h>
#include <string.h>
NixPrefs::NixPrefs()
{
struct passwd *pw = getpwuid(getuid());
char *homedir = pw->pw_dir;
prefsFilePath = (char *)malloc(strlen(homedir) + 1 + strlen(".aiie") + 1);
strcpy(prefsFilePath, homedir);
strcat(prefsFilePath, "/");
strcat(prefsFilePath, ".aiie");
}
NixPrefs::~NixPrefs()
{
if (prefsFilePath)
free(prefsFilePath);
}
bool NixPrefs::readPrefs(prefs_t *readTo)
{
FILE *f = fopen(prefsFilePath, "r");
if (!f)
return false;
if (fread(readTo, sizeof(prefs_t), 1, f) != 1) {
fclose(f);
return false;
}
fclose(f);
if (readTo->magic != PREFSMAGIC) {
return false;
}
if (readTo->prefsSize != sizeof(prefs_t)) {
return false;
}
if (readTo->version != PREFSVERSION) {
return false;
}
return true;
}
bool NixPrefs::writePrefs(prefs_t *newPrefs)
{
FILE *f = fopen(prefsFilePath, "w");
if (!f)
return false;
if (fwrite(newPrefs, sizeof(prefs_t), 1, f) != 1) {
fclose(f);
return false;
}
fclose(f);
return true;
}