diff options
Diffstat (limited to 'libsysfs/sysfs.h')
| -rw-r--r-- | libsysfs/sysfs.h | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/libsysfs/sysfs.h b/libsysfs/sysfs.h index 1e58e8abb4..30bd9b4089 100644 --- a/libsysfs/sysfs.h +++ b/libsysfs/sysfs.h @@ -27,19 +27,37 @@ #include <stdlib.h> #include <unistd.h> #include <string.h> +#include <ctype.h> #include <mntent.h> #include <dirent.h> #include <sys/stat.h> #include <fcntl.h> #include <errno.h> -/* external library functions */ -extern int isascii(int c); +#define safestrcpy(to, from) strncpy(to, from, sizeof(to)-1) +#define safestrcat(to, from) strncat(to, from, sizeof(to) - strlen(to)-1) + +#define safestrcpymax(to, from, max) \ +do { \ + to[max-1] = '\0'; \ + strncpy(to, from, max-1); \ +} while (0) + +#define safestrcatmax(to, from, max) \ +do { \ + to[max-1] = '\0'; \ + strncat(to, from, max - strlen(to)-1); \ +} while (0) + +extern struct sysfs_attribute *get_attribute(void *dev, const char *name); +extern struct dlist *read_dir_subdirs(const char *path); +extern struct dlist *read_dir_links(const char *path); +extern struct dlist *get_attributes_list(void *dev); /* Debugging */ #ifdef DEBUG #include "../logging.h" -#define dprintf(format, arg...) dbg(format, ##arg) +#define dprintf(format, arg...) dbg(format, ## arg) #else #define dprintf(format, arg...) do { } while (0) #endif |