/* * Copyright (C) 2003-2009 The Music Player Daemon Project * http://www.musicpd.org * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include "utils.h" #include "conf.h" #include "config.h" #include <glib.h> #include <assert.h> #include <string.h> #include <sys/types.h> #include <fcntl.h> #include <errno.h> #ifndef WIN32 #include <pwd.h> #endif #ifdef HAVE_IPV6 #include <sys/socket.h> #endif #ifdef WIN32 #include <windows.h> #endif char *parsePath(char *path) { #ifndef WIN32 if (!g_path_is_absolute(path) && path[0] != '~') { g_warning("\"%s\" is not an absolute path", path); return NULL; } else if (path[0] == '~') { size_t pos = 1; const char *home; if (path[1] == '/' || path[1] == '\0') { const char *user = config_get_string(CONF_USER, NULL); if (user != NULL) { struct passwd *passwd = getpwnam(user); if (!passwd) { g_warning("no such user %s", user); return NULL; } home = passwd->pw_dir; } else { home = g_get_home_dir(); if (home == NULL) { g_warning("problems getting home " "for current user"); return NULL; } } } else { bool foundSlash = false; struct passwd *passwd; char *c; for (c = path + 1; *c != '\0' && *c != '/'; c++); if (*c == '/') { foundSlash = true; *c = '\0'; } pos = c - path; passwd = getpwnam(path + 1); if (!passwd) { g_warning("user \"%s\" not found", path + 1); return NULL; } if (foundSlash) *c = '/'; home = passwd->pw_dir; } return g_strconcat(home, path + pos, NULL); } else { #endif return g_strdup(path); #ifndef WIN32 } #endif } int set_nonblocking(int fd) { #ifdef WIN32 u_long val = 1; int retval; int lasterr = 0; retval = ioctlsocket(fd, FIONBIO, &val); if(retval == SOCKET_ERROR) g_error("Error: ioctlsocket could not set FIONBIO;" " Error %d on socket %d", lasterr = WSAGetLastError(), fd); if(lasterr == 10038) g_debug("Code-up error! Attempt to set non-blocking I/O on " "something that is not a Winsock2 socket. This can't " "be done on Windows!\n"); return retval; #else int ret, flags; assert(fd >= 0); while ((flags = fcntl(fd, F_GETFL)) < 0 && errno == EINTR) ; if (flags < 0) return flags; flags |= O_NONBLOCK; while ((ret = fcntl(fd, F_SETFL, flags)) < 0 && errno == EINTR) ; return ret; #endif } bool string_array_contains(const char *const* haystack, const char *needle) { assert(haystack != NULL); assert(needle != NULL); for (; *haystack != NULL; ++haystack) if (g_ascii_strcasecmp(*haystack, needle) == 0) return true; return false; }