+ char *endptr;
+ long long tmp;
+
+ errno = 0; /* To distinguish success/failure after call */
+ tmp = strtoll(str, &endptr, 10);
+ if (errno == ERANGE && (tmp == LLONG_MAX || tmp == LLONG_MIN))
+ return -E_ATOI_OVERFLOW;
+ if (errno != 0 && tmp == 0) /* other error */
+ return -E_STRTOLL;
+ if (endptr == str)
+ return -E_ATOI_NO_DIGITS;
+ if (*endptr != '\0') /* Further characters after number */
+ return -E_ATOI_JUNK_AT_END;
+ *value = tmp;
+ return 1;
+}
+
+/**
+ * Convert a string to a 32-bit signed integer value.
+ *
+ * \param str The string to be converted.
+ * \param value Result pointer.
+ *
+ * \return Standard.
+ *
+ * \sa para_atoi64().
+*/
+int para_atoi32(const char *str, int32_t *value)
+{
+ int64_t tmp;
+ int ret;
+ const int32_t max = 2147483647;
+
+ ret = para_atoi64(str, &tmp);
+ if (ret < 0)
+ return ret;
+ if (tmp > max || tmp < -max - 1)
+ return -E_ATOI_OVERFLOW;
+ *value = tmp;
+ return 1;
+}
+
+static inline int loglevel_equal(const char *arg, const char * const ll)
+{
+ return !strncasecmp(arg, ll, strlen(ll));
+}
+
+/**
+ * Compute the loglevel number from its name.
+ *
+ * \param txt The name of the loglevel (debug, info, ...).
+ *
+ * \return The numeric representation of the loglevel name.
+ */
+int get_loglevel_by_name(const char *txt)
+{
+ if (loglevel_equal(txt, "debug"))
+ return LL_DEBUG;
+ if (loglevel_equal(txt, "info"))
+ return LL_INFO;
+ if (loglevel_equal(txt, "notice"))
+ return LL_NOTICE;
+ if (loglevel_equal(txt, "warning"))
+ return LL_WARNING;
+ if (loglevel_equal(txt, "error"))
+ return LL_ERROR;
+ if (loglevel_equal(txt, "crit"))
+ return LL_CRIT;
+ if (loglevel_equal(txt, "emerg"))
+ return LL_EMERG;
+ return -1;
+}