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-rw-r--r--lib/lib.c11
-rw-r--r--lib/lib.h11
2 files changed, 21 insertions, 1 deletions
diff --git a/lib/lib.c b/lib/lib.c
index 57000ac7..36f78ceb 100644
--- a/lib/lib.c
+++ b/lib/lib.c
@@ -1182,6 +1182,17 @@ char* make_human_readable(unsigned long long size, unsigned long unit)
return NULL; //not reached
}
+// strtoul with exit on error
+unsigned long xstrtoul(const char *nptr, char **endptr, int base)
+{
+ unsigned long l;
+ errno = 0;
+ l = strtoul(nptr, endptr, base);
+ if (errno)
+ perror_exit("xstrtoul");
+ return l;
+}
+
/*
* used to get the interger value.
*/
diff --git a/lib/lib.h b/lib/lib.h
index 5c4cc46f..f8627149 100644
--- a/lib/lib.h
+++ b/lib/lib.h
@@ -29,6 +29,11 @@ struct arg_list {
char *arg;
};
+struct offset_list {
+ struct offset_list *next;
+ off_t off;
+};
+
struct double_list {
struct double_list *next, *prev;
char *data;
@@ -145,7 +150,7 @@ void crc_init(unsigned int *crc_table, int little_endian);
void terminal_size(unsigned *x, unsigned *y);
int yesno(char *prompt, int def);
void for_each_pid_with_name_in(char **names, void (*callback)(pid_t pid));
-
+unsigned long xstrtoul(const char *nptr, char **endptr, int base);
// getmountlist.c
struct mtab_list {
@@ -176,5 +181,9 @@ int update_password(char *filename, char* username, char* encrypted);
// du helper functions
char* make_human_readable(unsigned long long size, unsigned long unit);
+// useful tools
+#define min(a,b) (a)<(b) ? (a) : (b)
+#define max(a,b) (a)>(b) ? (a) : (b)
+
// cut helper functions
unsigned long get_int_value(const char *numstr, unsigned lowrange, unsigned highrange);