Update file_format.md
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Make strings NULL-terminated.
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1 changed files with 15 additions and 7 deletions
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@ -22,18 +22,24 @@ ignored.
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If the previous "de/compressor is set" flag is enabled, then the next section is
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If the previous "de/compressor is set" flag is enabled, then the next section is
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added:
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added:
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1. 2 bytes is 16-bit unsigned integer "compressor cmd+args" in big-endian.
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1. 2 bytes is 16-bit unsigned integer "compressor cmd+args" in big-endian. This
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2. X bytes of "compressor cmd+args" (length defined by previous value).
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does not include the NULL at the end of the string.
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2. X bytes of "compressor cmd+args" (length defined by previous value). Is a
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NULL-terminated string.
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3. 2 bytes is 16-bit unsigned integer "decompressor cmd+args" in big-endian.
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3. 2 bytes is 16-bit unsigned integer "decompressor cmd+args" in big-endian.
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4. X bytes of "decompressor cmd+args" (length defined by previous value).
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This does not include the NULL at the end of the string.
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4. X bytes of "decompressor cmd+args" (length defined by previous value). Is a
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NULL-terminated string.
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The next 4 bytes is 32-bit unsigned integer "file count" in big-endian which
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The next 4 bytes is 32-bit unsigned integer "file count" in big-endian which
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will indicate the number of files in this archive.
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will indicate the number of files in this archive.
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Following the file-count bytes, the following bytes are added for each file:
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Following the file-count bytes, the following bytes are added for each file:
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1. 2 bytes is 16-bit unsigned integer "filename length" in big-endian.
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1. 2 bytes is 16-bit unsigned integer "filename length" in big-endian. This does
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2. X bytes of filename (length defined by previous value).
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not include the NULL at the end of the string.
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2. X bytes of filename (length defined by previous value). Is a NULL-terminated
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string.
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3. 4 bytes bit-flags
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3. 4 bytes bit-flags
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1. The first byte
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1. The first byte
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1. The first bit is set if the file is a symbolic link.
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1. The first bit is set if the file is a symbolic link.
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@ -44,8 +50,10 @@ Following the file-count bytes, the following bytes are added for each file:
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4. The fourth byte.
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4. The fourth byte.
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1. Currently unused.
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1. Currently unused.
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4. If this file is a symbolic link:
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4. If this file is a symbolic link:
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1. 2 bytes is 16-bit unsigned integer "link target path" in big-endian.
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1. 2 bytes is 16-bit unsigned integer "link target path" in big-endian. This
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2. X bytes of link-target-path (length defined by previous value).
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does not include the NULL at the end of the string.
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2. X bytes of link-target-path (length defined by previous value). Is a
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NULL-terminated string.
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5. If this file is NOT a symbolic link:
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5. If this file is NOT a symbolic link:
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1. 8 bytes 64-bit unsigned integer "size of filename in this archive file".
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1. 8 bytes 64-bit unsigned integer "size of filename in this archive file".
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2. X bytes file data (length defined by previous value).
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2. X bytes file data (length defined by previous value).
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