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| -rw-r--r-- | Doc/library/struct.rst | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/Doc/library/struct.rst b/Doc/library/struct.rst index 18f6a83b6b..9c7fdd8138 100644 --- a/Doc/library/struct.rst +++ b/Doc/library/struct.rst @@ -257,10 +257,11 @@ not contain whitespace though. For the ``'s'`` format character, the count is interpreted as the size of the string, not a repeat count like for the other format characters; for example, ``'10s'`` means a single 10-byte string, while ``'10c'`` means 10 characters. -For packing, the string is truncated or padded with null bytes as appropriate to -make it fit. For unpacking, the resulting string always has exactly the -specified number of bytes. As a special case, ``'0s'`` means a single, empty -string (while ``'0c'`` means 0 characters). +If a count is not given, it defaults to 1. For packing, the string is +truncated or padded with null bytes as appropriate to make it fit. For +unpacking, the resulting string always has exactly the specified number of +bytes. As a special case, ``'0s'`` means a single, empty string (while +``'0c'`` means 0 characters). The ``'p'`` format character encodes a "Pascal string", meaning a short variable-length string stored in a *fixed number of bytes*, given by the count. |