diff options
Diffstat (limited to 'e2fsck/profile.c')
| -rw-r--r-- | e2fsck/profile.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/e2fsck/profile.c b/e2fsck/profile.c index 3352a221..5752343e 100644 --- a/e2fsck/profile.c +++ b/e2fsck/profile.c @@ -1478,6 +1478,47 @@ profile_get_integer(profile_t profile, const char *name, const char *subname, return 0; } +errcode_t +profile_get_uint(profile_t profile, const char *name, const char *subname, + const char *subsubname, unsigned int def_val, + unsigned int *ret_int) +{ + const char *value; + errcode_t retval; + char *end_value; + unsigned long ret_long; + + *ret_int = def_val; + if (profile == 0) + return 0; + + retval = profile_get_value(profile, name, subname, subsubname, &value); + if (retval == PROF_NO_SECTION || retval == PROF_NO_RELATION) { + *ret_int = def_val; + return 0; + } else if (retval) + return retval; + + if (value[0] == 0) + /* Empty string is no good. */ + return PROF_BAD_INTEGER; + errno = 0; + ret_long = strtoul (value, &end_value, 10); + + /* Overflow or underflow. */ + if ((ret_long == ULONG_MAX) && errno != 0) + return PROF_BAD_INTEGER; + /* Value outside "int" range. */ + if ((unsigned long) (unsigned int) ret_long != ret_long) + return PROF_BAD_INTEGER; + /* Garbage in string. */ + if (end_value != value + strlen (value)) + return PROF_BAD_INTEGER; + + *ret_int = ret_long; + return 0; +} + static const char *const conf_yes[] = { "y", "yes", "true", "t", "1", "on", 0, |