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-rw-r--r--include/strutils.h2
-rw-r--r--lib/strutils.c7
-rw-r--r--partx/partx.c2
3 files changed, 6 insertions, 5 deletions
diff --git a/include/strutils.h b/include/strutils.h
index 28af8b503..9765a7747 100644
--- a/include/strutils.h
+++ b/include/strutils.h
@@ -45,6 +45,6 @@ extern int string_to_idarray(const char *list, int ary[], size_t arysz,
extern int string_to_bitarray(const char *list, char *ary,
int (*name2bit)(const char *, size_t));
-extern int parse_range(const char *str, int *lower, int *upper);
+extern int parse_range(const char *str, int *lower, int *upper, int def);
#endif
diff --git a/lib/strutils.c b/lib/strutils.c
index fb1822976..6b2ec799e 100644
--- a/lib/strutils.c
+++ b/lib/strutils.c
@@ -464,18 +464,19 @@ int string_to_bitarray(const char *list,
/*
* Parse the lower and higher values in a string containing
* "lower:higher" or "lower-higher" format. Note that either
- * the lower or the higher values may be missing.
+ * the lower or the higher values may be missing, and the def
+ * value will be assigned to it by default.
*
* Returns: 0 on success, <0 on error.
*/
-int parse_range(const char *str, int *lower, int *upper)
+int parse_range(const char *str, int *lower, int *upper, int def)
{
char *end = NULL;
if (!str)
return 0;
- *upper = *lower = 0;
+ *upper = *lower = def;
errno = 0;
if (*str == ':') { /* <:N> */
diff --git a/partx/partx.c b/partx/partx.c
index 2631d1fdf..bf18a4ebe 100644
--- a/partx/partx.c
+++ b/partx/partx.c
@@ -699,7 +699,7 @@ int main(int argc, char **argv)
what = ACT_LIST;
break;
case 'n':
- if (parse_range(optarg, &lower, &upper))
+ if (parse_range(optarg, &lower, &upper, 0))
errx(EXIT_FAILURE, _("failed to parse --nr <M-N> range"));
break;
case 'o':