/* * udev_lib - generic stuff used by udev * * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.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 version 2 of the License. * * 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., * 675 Mass Ave, Cambridge, MA 02139, USA. * */ #ifndef _UDEV_LIB_H_ #define _UDEV_LIB_H_ #define strfieldcpy(to, from) \ do { \ to[sizeof(to)-1] = '\0'; \ strncpy(to, from, sizeof(to)-1); \ } while (0) #define strfieldcat(to, from) \ do { \ to[sizeof(to)-1] = '\0'; \ strncat(to, from, sizeof(to) - strlen(to)-1); \ } while (0) #define strfieldcpymax(to, from, maxsize) \ do { \ to[maxsize-1] = '\0'; \ strncpy(to, from, maxsize-1); \ } while (0) #define strfieldcatmax(to, from, maxsize) \ do { \ to[maxsize-1] = '\0'; \ strncat(to, from, maxsize - strlen(to)-1); \ } while (0) #define strintcat(to, i) \ do { \ to[sizeof(to)-1] = '\0'; \ snprintf((to) + strlen(to), sizeof(to) - strlen(to)-1, "%u", i); \ } while (0) #define strintcatmax(to, i, maxsize) \ do { \ to[maxsize-1] = '\0'; \ snprintf((to) + strlen(to), maxsize - strlen(to)-1, "%u", i); \ } while (0) #define foreach_strpart(str, separator, pos, len) \ for(pos = str, len = 0; \ (pos) < ((str) + strlen(str)); \ pos = pos + len + strspn(pos, separator), len = strcspn(pos, separator)) \ if (len > 0) extern char *get_action(void); extern char *get_devpath(void); extern char *get_devnode(void); extern char *get_seqnum(void); extern char *get_subsystem(char *subsystem); extern int file_map(const char *filename, char **buf, size_t *bufsize); extern void file_unmap(char *buf, size_t bufsize); extern size_t buf_get_line(char *buf, size_t buflen, size_t cur); #endif