diff options
Diffstat (limited to 'libmm-glib')
| -rw-r--r-- | libmm-glib/mm-common-helpers.c | 43 | ||||
| -rw-r--r-- | libmm-glib/mm-common-helpers.h | 2 |
2 files changed, 45 insertions, 0 deletions
diff --git a/libmm-glib/mm-common-helpers.c b/libmm-glib/mm-common-helpers.c index 4b784da0..3a5883b2 100644 --- a/libmm-glib/mm-common-helpers.c +++ b/libmm-glib/mm-common-helpers.c @@ -1386,6 +1386,49 @@ mm_get_uint_from_str (const gchar *str, return FALSE; } +/** + * mm_get_uint_from_hex_str: + * @str: the hex string to convert to an unsigned int + * @out: on success, the number + * + * Converts a string to an unsigned number. All characters in the string + * MUST be valid hexadecimal digits (0-9, A-F, a-f), otherwise FALSE is + * returned. + * + * An optional "0x" prefix may be given in @str. + * + * Returns: %TRUE if the string was converted, %FALSE if it was not or if it + * did not contain only digits. + */ +gboolean +mm_get_uint_from_hex_str (const gchar *str, + guint *out) +{ + gulong num; + + if (!str) + return FALSE; + + if (g_str_has_prefix (str, "0x")) + str = &str[2]; + + if (!str[0]) + return FALSE; + + for (num = 0; str[num]; num++) { + if (!g_ascii_isxdigit (str[num])) + return FALSE; + } + + errno = 0; + num = strtoul (str, NULL, 16); + if (!errno && num <= G_MAXUINT) { + *out = (guint)num; + return TRUE; + } + return FALSE; +} + gboolean mm_get_uint_from_match_info (GMatchInfo *match_info, guint32 match_index, diff --git a/libmm-glib/mm-common-helpers.h b/libmm-glib/mm-common-helpers.h index c65d3b98..ab5777d1 100644 --- a/libmm-glib/mm-common-helpers.h +++ b/libmm-glib/mm-common-helpers.h @@ -143,6 +143,8 @@ gboolean mm_get_int_from_match_info (GMatchInfo *match_info, gint *out); gboolean mm_get_uint_from_str (const gchar *str, guint *out); +gboolean mm_get_uint_from_hex_str (const gchar *str, + guint *out); gboolean mm_get_uint_from_match_info (GMatchInfo *match_info, guint32 match_index, guint *out); |