document errno usage with apr_atoi64() and apr_strtoi64()

git-svn-id: https://svn.apache.org/repos/asf/apr/apr/trunk@882260 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 3 insertions, 2 deletions

diff --git a/include/apr_strings.h b/include/apr_strings.h
index d43412cf8..6b71ff17e 100644
--- a/include/apr_strings.h
+++ b/include/apr_strings.h
@@ -334,7 +334,7 @@ APR_DECLARE(apr_status_t) apr_strtoff(apr_off_t *offset, const char *buf,
  *   digits are prefixed with '0x', in which case it will be treated as
  *   base 16.
  * @return The numeric value of the string.  On overflow, errno is set
- * to ERANGE.
+ * to ERANGE.  On success, errno is set to 0.
  */
 APR_DECLARE(apr_int64_t) apr_strtoi64(const char *buf, char **end, int base);
 
@@ -342,7 +342,8 @@ APR_DECLARE(apr_int64_t) apr_strtoi64(const char *buf, char **end, int base);
  * parse a base-10 numeric string into a 64-bit numeric value.
  * Equivalent to apr_strtoi64(buf, (char**)NULL, 10).
  * @param buf The string to parse
- * @return The numeric value of the string
+ * @return The numeric value of the string.  On overflow, errno is set
+ * to ERANGE.  On success, errno is set to 0.
  */
 APR_DECLARE(apr_int64_t) apr_atoi64(const char *buf);