--- ../libmount-src-tab_parse.c.orig 2022-08-08 09:25:50.094443439 +0200 +++ ./libmount/src/tab_parse.c 2022-08-08 12:55:36.856303277 +0200 @@ -835,6 +835,42 @@ return 1; } +int strverscmp(const char *l0, const char *r0) +{ + const unsigned char *l = (const void *)l0; + const unsigned char *r = (const void *)r0; + size_t i, dp, j; + int z = 1; + + /* Find maximal matching prefix and track its maximal digit + * suffix and whether those digits are all zeros. */ + for (dp=i=0; l[i]==r[i]; i++) { + int c = l[i]; + if (!c) return 0; + if (!isdigit(c)) dp=i+1, z=1; + else if (c!='0') z=0; + } + + if (l[dp]!='0' && r[dp]!='0') { + /* If we're not looking at a digit sequence that began + * with a zero, longest digit string is greater. */ + for (j=i; isdigit(l[j]); j++) + if (!isdigit(r[j])) return 1; + if (isdigit(r[j])) return -1; + } else if (z && dpd_name, (*b)->d_name); +} + #ifdef HAVE_SCANDIRAT static int __mnt_table_parse_dir(struct libmnt_table *tb, const char *dirname) {