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-rw-r--r--pack.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/pack.c b/pack.c
index b1d7268850..e63c2325e6 100644
--- a/pack.c
+++ b/pack.c
@@ -395,8 +395,8 @@ static unsigned long utf8_to_uv(const char*,long*);
* Directive Meaning
* ---------------------------------------------------------------
* @ | Moves to absolute position
- * A | ASCII string (space padded, count is width)
- * a | ASCII string (null padded, count is width)
+ * A | arbitrary binary string (space padded, count is width)
+ * a | arbitrary binary string (null padded, count is width)
* B | Bit string (descending bit order)
* b | Bit string (ascending bit order)
* C | Unsigned char
@@ -519,8 +519,8 @@ pack_pack(VALUE ary, VALUE fmt)
switch (type) {
case 'a': /* arbitrary binary string (null padded) */
- case 'A': /* ASCII string (space padded) */
- case 'Z': /* null terminated ASCII string */
+ case 'A': /* arbitrary binary string (ASCII space padded) */
+ case 'Z': /* null terminated string */
if (plen >= len) {
rb_str_buf_cat(res, ptr, len);
if (p[-1] == '*' && type == 'Z')
@@ -1176,9 +1176,10 @@ infected_str_new(const char *ptr, long len, VALUE str)
*
* Format | Returns | Function
* -------+---------+-----------------------------------------
- * A | String | with trailing nulls and spaces removed
+ * A | String | arbitrary binary string with trailing
+ * | | nulls and ASCII spaces removed
* -------+---------+-----------------------------------------
- * a | String | string
+ * a | String | arbitrary binary string
* -------+---------+-----------------------------------------
* B | String | extract bits from each character (msb first)
* -------+---------+-----------------------------------------