FILE* FindFile(
const vector<string>& includePath,
const string& prependDir,
const string& path,
char openDelim,
string& fullPath)
{
// If the opening delimiter was '"', then check the current
// directory first:
if (openDelim == '"')
{
if (prependDir.size())
{
GetFileFullPath(prependDir, path, fullPath);
}
else
{
fullPath = path;
}
FILE* fp = fopen(fullPath.c_str(), "rb");
if (fp)
{
return fp;
}
}
// Search the include path for the file:
vector<string>::const_iterator first = includePath.begin();
vector<string>::const_iterator last = includePath.end();
for (; first != last; first++)
{
fullPath = *first;
fullPath += '/';
fullPath += path;
FILE* fp = fopen(fullPath.c_str(), "rb");
if (fp)
{
return fp;
}
}
return NULL;
}
/**
* This function installs a package by calling ExtractPackage to extract it and InsertPkgDB to insert the package in PACKAGES and FILESPKG tables
* @param name A package name
* @return If no error ocurr, 0 is returned. If the package is already installed, 1 is returned (And a message is issued). In case of error, -1 (And an error message is issued)
*/
int InstallPkg(char *package)
{
char *ptr_name = NULL, *init_path = NULL, *input = NULL;
char pkgfullpathname[PATH_MAX];
char PackageOrig[PATH_MAX];
int fd = 0;
PkgData Data;
/* Save locations and initialize the package structure */
strncpy(PackageOrig, package, PATH_MAX);
PackageOrig[strlen(package)>PATH_MAX?PATH_MAX:strlen(package)] = '\0';
init_path = getcwd(malloc(PATH_MAX), PATH_MAX);
memset(&Data, '\0', sizeof(PkgData));
/* Does it fisically exist? */
if ((fd = open(package, O_RDONLY)) < 0) {
/* Ok, the package doesn't exists, let's go for a mirror */
if (DownloadPkg(package, pkgfullpathname) != 0) {
free(init_path);
return -1;
}
}
else {
close(fd);
/* Get the full pathname instead of its relative name */
if (GetFileFullPath(package, pkgfullpathname)) {
fprintf(stderr, "Failed to install %s\n", package);
return -1;
}
}
ptr_name = basename(pkgfullpathname);
/* Switch to HOME_ROOT */
if (chdir(HOME_ROOT)) {
fprintf(stderr, "Can't go to %s (%s)\n", HOME_ROOT, strerror(errno));
free(init_path);
return -1;
}
/* Fill the package structure according to the package name */
if (FillPkgDataFromPackage(&Data, ptr_name)) {
fprintf(stdout, "Wrong package name format. It should be \"" PACKAGE_NAME_FORMAT "\"\n");
chdir(init_path);
return -1;
}
/* Open the database */
if (sqlite3_open(dbname, &Database)) {
fprintf(stderr, "Failed to open database %s (%s)\n", dbname, sqlite3_errmsg(Database));
chdir(init_path);
free(init_path);
return -1;
}
/* Check if it is already installed */
if (ExistsPkg(&Data)) {
fprintf(stderr, "Package %s already installed\n", PackageOrig);
chdir(init_path);
free(init_path);
return 1;
}
/* Get the package hash so we can register it in the database */
if (GiveMeHash(pkgfullpathname, Data.crc) == -1) {
chdir(init_path);
free(init_path);
return -1;
}
/* Extract the package itself */
if (ExtractPackage(pkgfullpathname, &Data) == -1) {
chdir(init_path);
free(init_path);
return -1;
}
PostInstall();
/* Register the package in the database */
InsertPkgDB(&Data);
/* Clean everything up */
sqlite3_close(Database);
chdir(init_path);
if (!noreadme) {
printf("Press intro to continue");
getline(&input, (size_t *)&fd, stdin);
free(input);
}
fprintf(stdout, "Package %s installed\n", PackageOrig);
return 0;
}
