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author | Thomas Haller <thaller@redhat.com> | 2018-10-16 14:06:38 +0200 |
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committer | Thomas Haller <thaller@redhat.com> | 2018-10-17 13:06:56 +0200 |
commit | fa2d6792f7335b4249e24a2d06f5c1fa56e48dfe (patch) | |
tree | 9dd4401e22a32256b751408d4bf29b4c49cdcfdf | |
parent | fd7115eeed527c92925b3b176add81d9a3605455 (diff) | |
download | NetworkManager-fa2d6792f7335b4249e24a2d06f5c1fa56e48dfe.tar.gz |
shared: add _nm_utils_ascii_str_to_uint64() helper
-rw-r--r-- | shared/nm-utils/nm-shared-utils.c | 44 | ||||
-rw-r--r-- | shared/nm-utils/nm-shared-utils.h | 3 |
2 files changed, 46 insertions, 1 deletions
diff --git a/shared/nm-utils/nm-shared-utils.c b/shared/nm-utils/nm-shared-utils.c index c41b5e68c2..0c7f708cb3 100644 --- a/shared/nm-utils/nm-shared-utils.c +++ b/shared/nm-utils/nm-shared-utils.c @@ -608,6 +608,50 @@ _nm_utils_ascii_str_to_int64 (const char *str, guint base, gint64 min, gint64 ma return v; } +guint64 +_nm_utils_ascii_str_to_uint64 (const char *str, guint base, guint64 min, guint64 max, guint64 fallback) +{ + guint64 v; + const char *s = NULL; + + if (str) { + while (g_ascii_isspace (str[0])) + str++; + } + if (!str || !str[0]) { + errno = EINVAL; + return fallback; + } + + errno = 0; + v = g_ascii_strtoull (str, (char **) &s, base); + + if (errno != 0) + return fallback; + if (s[0] != '\0') { + while (g_ascii_isspace (s[0])) + s++; + if (s[0] != '\0') { + errno = EINVAL; + return fallback; + } + } + if (v > max || v < min) { + errno = ERANGE; + return fallback; + } + + if ( v != 0 + && str[0] == '-') { + /* I don't know why, but g_ascii_strtoull() accepts minus signs ("-2" gives 18446744073709551614). + * For "-0" that is OK, but otherwise not. */ + return errno = ERANGE; + return fallback; + } + + return v; +} + /*****************************************************************************/ /* like nm_strcmp_p(), suitable for g_ptr_array_sort_with_data(). diff --git a/shared/nm-utils/nm-shared-utils.h b/shared/nm-utils/nm-shared-utils.h index 7ee76799bd..bfa51def49 100644 --- a/shared/nm-utils/nm-shared-utils.h +++ b/shared/nm-utils/nm-shared-utils.h @@ -408,7 +408,8 @@ gboolean nm_utils_parse_inaddr_prefix (int addr_family, char **out_addr, int *out_prefix); -gint64 _nm_utils_ascii_str_to_int64 (const char *str, guint base, gint64 min, gint64 max, gint64 fallback); +gint64 _nm_utils_ascii_str_to_int64 (const char *str, guint base, gint64 min, gint64 max, gint64 fallback); +guint64 _nm_utils_ascii_str_to_uint64 (const char *str, guint base, guint64 min, guint64 max, guint64 fallback); int _nm_utils_ascii_str_to_bool (const char *str, int default_value); |