Tweak wuffs_base__io_buffer_meta.pos comment
diff --git a/internal/cgen/base/io-public.h b/internal/cgen/base/io-public.h
index e0ea650..041f7a1 100644
--- a/internal/cgen/base/io-public.h
+++ b/internal/cgen/base/io-public.h
@@ -23,7 +23,7 @@
typedef struct {
size_t wi; // Write index. Invariant: wi <= len.
size_t ri; // Read index. Invariant: ri <= wi.
- uint64_t pos; // Position of the buffer start relative to the stream start.
+ uint64_t pos; // Buffer position (relative to the start of stream).
bool closed; // No further writes are expected.
} wuffs_base__io_buffer_meta;
diff --git a/internal/cgen/data/data.go b/internal/cgen/data/data.go
index 40f6570..5c9573d 100644
--- a/internal/cgen/data/data.go
+++ b/internal/cgen/data/data.go
@@ -197,13 +197,13 @@
""
const BaseIOPublicH = "" +
- "// ---------------- I/O\n//\n// See (/doc/note/io-input-output.md).\n\n// wuffs_base__io_buffer_meta is the metadata for a wuffs_base__io_buffer's\n// data.\ntypedef struct {\n size_t wi; // Write index. Invariant: wi <= len.\n size_t ri; // Read index. Invariant: ri <= wi.\n uint64_t pos; // Position of the buffer start relative to the stream start.\n bool closed; // No further writes are expected.\n} wuffs_base__io_buffer_meta;\n\n// wuffs_base__io_buffer is a 1-dimensional buffer (a pointer and length) plus\n// additional metadata.\n//\n// A value with all fields zero is a valid, empty buffer.\ntypedef struct {\n wuffs_base__slice_u8 data;\n wuffs_base__io_buffer_meta meta;\n\n#ifdef __cplusplus\n inline bool is_valid() const;\n inline void compact();\n inline uint64_t reader_io_position() const;\n inline size_t reader_length() const;\n inline uint8_t* reader_pointer() const;\n inline wuffs_base__slice_u8 reader_slice() const;\n inline uint64_t writer_io_position() const;\n inline size_t writer_length() const" +
- ";\n inline uint8_t* writer_pointer() const;\n inline wuffs_base__slice_u8 writer_slice() const;\n#endif // __cplusplus\n\n} wuffs_base__io_buffer;\n\nstatic inline wuffs_base__io_buffer //\nwuffs_base__make_io_buffer(wuffs_base__slice_u8 data,\n wuffs_base__io_buffer_meta meta) {\n wuffs_base__io_buffer ret;\n ret.data = data;\n ret.meta = meta;\n return ret;\n}\n\nstatic inline wuffs_base__io_buffer_meta //\nwuffs_base__make_io_buffer_meta(size_t wi,\n size_t ri,\n uint64_t pos,\n bool closed) {\n wuffs_base__io_buffer_meta ret;\n ret.wi = wi;\n ret.ri = ri;\n ret.pos = pos;\n ret.closed = closed;\n return ret;\n}\n\nstatic inline wuffs_base__io_buffer //\nwuffs_base__ptr_u8__reader(uint8_t* ptr, size_t len, bool closed) {\n wuffs_base__io_buffer ret;\n ret.data.ptr = ptr;\n ret.data.len = len;\n ret.meta.wi = len;\n ret.meta.ri = 0;\n ret.meta.pos = 0;\n ret.meta.closed = closed;\n return ret;\n}\n\nstatic " +
- "inline wuffs_base__io_buffer //\nwuffs_base__ptr_u8__writer(uint8_t* ptr, size_t len) {\n wuffs_base__io_buffer ret;\n ret.data.ptr = ptr;\n ret.data.len = len;\n ret.meta.wi = 0;\n ret.meta.ri = 0;\n ret.meta.pos = 0;\n ret.meta.closed = false;\n return ret;\n}\n\nstatic inline wuffs_base__io_buffer //\nwuffs_base__slice_u8__reader(wuffs_base__slice_u8 s, bool closed) {\n wuffs_base__io_buffer ret;\n ret.data.ptr = s.ptr;\n ret.data.len = s.len;\n ret.meta.wi = s.len;\n ret.meta.ri = 0;\n ret.meta.pos = 0;\n ret.meta.closed = closed;\n return ret;\n}\n\nstatic inline wuffs_base__io_buffer //\nwuffs_base__slice_u8__writer(wuffs_base__slice_u8 s) {\n wuffs_base__io_buffer ret;\n ret.data.ptr = s.ptr;\n ret.data.len = s.len;\n ret.meta.wi = 0;\n ret.meta.ri = 0;\n ret.meta.pos = 0;\n ret.meta.closed = false;\n return ret;\n}\n\nstatic inline wuffs_base__io_buffer //\nwuffs_base__empty_io_buffer() {\n wuffs_base__io_buffer ret;\n ret.data.ptr = NULL;\n ret.data.len = 0;\n ret.meta.wi = 0;\n ret.meta.ri = 0;\n ret.meta.po" +
- "s = 0;\n ret.meta.closed = false;\n return ret;\n}\n\nstatic inline wuffs_base__io_buffer_meta //\nwuffs_base__empty_io_buffer_meta() {\n wuffs_base__io_buffer_meta ret;\n ret.wi = 0;\n ret.ri = 0;\n ret.pos = 0;\n ret.closed = false;\n return ret;\n}\n\nstatic inline bool //\nwuffs_base__io_buffer__is_valid(const wuffs_base__io_buffer* buf) {\n if (buf) {\n if (buf->data.ptr) {\n return (buf->meta.ri <= buf->meta.wi) && (buf->meta.wi <= buf->data.len);\n } else {\n return (buf->meta.ri == 0) && (buf->meta.wi == 0) && (buf->data.len == 0);\n }\n }\n return false;\n}\n\n// wuffs_base__io_buffer__compact moves any written but unread bytes to the\n// start of the buffer.\nstatic inline void //\nwuffs_base__io_buffer__compact(wuffs_base__io_buffer* buf) {\n if (!buf || (buf->meta.ri == 0)) {\n return;\n }\n buf->meta.pos = wuffs_base__u64__sat_add(buf->meta.pos, buf->meta.ri);\n size_t n = buf->meta.wi - buf->meta.ri;\n if (n != 0) {\n memmove(buf->data.ptr, buf->data.ptr + buf->meta.ri, n);\n }\n buf->met" +
- "a.wi = n;\n buf->meta.ri = 0;\n}\n\nstatic inline uint64_t //\nwuffs_base__io_buffer__reader_io_position(const wuffs_base__io_buffer* buf) {\n return buf ? wuffs_base__u64__sat_add(buf->meta.pos, buf->meta.ri) : 0;\n}\n\nstatic inline size_t //\nwuffs_base__io_buffer__reader_length(const wuffs_base__io_buffer* buf) {\n return buf ? buf->meta.wi - buf->meta.ri : 0;\n}\n\nstatic inline uint8_t* //\nwuffs_base__io_buffer__reader_pointer(const wuffs_base__io_buffer* buf) {\n return buf ? (buf->data.ptr + buf->meta.ri) : NULL;\n}\n\nstatic inline wuffs_base__slice_u8 //\nwuffs_base__io_buffer__reader_slice(const wuffs_base__io_buffer* buf) {\n return buf ? wuffs_base__make_slice_u8(buf->data.ptr + buf->meta.ri,\n buf->meta.wi - buf->meta.ri)\n : wuffs_base__empty_slice_u8();\n}\n\nstatic inline uint64_t //\nwuffs_base__io_buffer__writer_io_position(const wuffs_base__io_buffer* buf) {\n return buf ? wuffs_base__u64__sat_add(buf->meta.pos, buf->meta.wi) : 0;\n}\n\nstatic inline size_t" +
- " //\nwuffs_base__io_buffer__writer_length(const wuffs_base__io_buffer* buf) {\n return buf ? buf->data.len - buf->meta.wi : 0;\n}\n\nstatic inline uint8_t* //\nwuffs_base__io_buffer__writer_pointer(const wuffs_base__io_buffer* buf) {\n return buf ? (buf->data.ptr + buf->meta.wi) : NULL;\n}\n\nstatic inline wuffs_base__slice_u8 //\nwuffs_base__io_buffer__writer_slice(const wuffs_base__io_buffer* buf) {\n return buf ? wuffs_base__make_slice_u8(buf->data.ptr + buf->meta.wi,\n buf->data.len - buf->meta.wi)\n : wuffs_base__empty_slice_u8();\n}\n\n#ifdef __cplusplus\n\ninline bool //\nwuffs_base__io_buffer::is_valid() const {\n return wuffs_base__io_buffer__is_valid(this);\n}\n\ninline void //\nwuffs_base__io_buffer::compact() {\n wuffs_base__io_buffer__compact(this);\n}\n\ninline uint64_t //\nwuffs_base__io_buffer::reader_io_position() const {\n return wuffs_base__io_buffer__reader_io_position(this);\n}\n\ninline size_t //\nwuffs_base__io_buffer::reader_length() const {\n return wuffs" +
- "_base__io_buffer__reader_length(this);\n}\n\ninline uint8_t* //\nwuffs_base__io_buffer::reader_pointer() const {\n return wuffs_base__io_buffer__reader_pointer(this);\n}\n\ninline wuffs_base__slice_u8 //\nwuffs_base__io_buffer::reader_slice() const {\n return wuffs_base__io_buffer__reader_slice(this);\n}\n\ninline uint64_t //\nwuffs_base__io_buffer::writer_io_position() const {\n return wuffs_base__io_buffer__writer_io_position(this);\n}\n\ninline size_t //\nwuffs_base__io_buffer::writer_length() const {\n return wuffs_base__io_buffer__writer_length(this);\n}\n\ninline uint8_t* //\nwuffs_base__io_buffer::writer_pointer() const {\n return wuffs_base__io_buffer__writer_pointer(this);\n}\n\ninline wuffs_base__slice_u8 //\nwuffs_base__io_buffer::writer_slice() const {\n return wuffs_base__io_buffer__writer_slice(this);\n}\n\n#endif // __cplusplus\n" +
+ "// ---------------- I/O\n//\n// See (/doc/note/io-input-output.md).\n\n// wuffs_base__io_buffer_meta is the metadata for a wuffs_base__io_buffer's\n// data.\ntypedef struct {\n size_t wi; // Write index. Invariant: wi <= len.\n size_t ri; // Read index. Invariant: ri <= wi.\n uint64_t pos; // Buffer position (relative to the start of stream).\n bool closed; // No further writes are expected.\n} wuffs_base__io_buffer_meta;\n\n// wuffs_base__io_buffer is a 1-dimensional buffer (a pointer and length) plus\n// additional metadata.\n//\n// A value with all fields zero is a valid, empty buffer.\ntypedef struct {\n wuffs_base__slice_u8 data;\n wuffs_base__io_buffer_meta meta;\n\n#ifdef __cplusplus\n inline bool is_valid() const;\n inline void compact();\n inline uint64_t reader_io_position() const;\n inline size_t reader_length() const;\n inline uint8_t* reader_pointer() const;\n inline wuffs_base__slice_u8 reader_slice() const;\n inline uint64_t writer_io_position() const;\n inline size_t writer_length() const;\n inli" +
+ "ne uint8_t* writer_pointer() const;\n inline wuffs_base__slice_u8 writer_slice() const;\n#endif // __cplusplus\n\n} wuffs_base__io_buffer;\n\nstatic inline wuffs_base__io_buffer //\nwuffs_base__make_io_buffer(wuffs_base__slice_u8 data,\n wuffs_base__io_buffer_meta meta) {\n wuffs_base__io_buffer ret;\n ret.data = data;\n ret.meta = meta;\n return ret;\n}\n\nstatic inline wuffs_base__io_buffer_meta //\nwuffs_base__make_io_buffer_meta(size_t wi,\n size_t ri,\n uint64_t pos,\n bool closed) {\n wuffs_base__io_buffer_meta ret;\n ret.wi = wi;\n ret.ri = ri;\n ret.pos = pos;\n ret.closed = closed;\n return ret;\n}\n\nstatic inline wuffs_base__io_buffer //\nwuffs_base__ptr_u8__reader(uint8_t* ptr, size_t len, bool closed) {\n wuffs_base__io_buffer ret;\n ret.data.ptr = ptr;\n ret.data.len = len;\n ret.meta.wi = len;\n ret.meta.ri = 0;\n ret.meta.pos = 0;\n ret.meta.closed = closed;\n return ret;\n}\n\nstatic inline w" +
+ "uffs_base__io_buffer //\nwuffs_base__ptr_u8__writer(uint8_t* ptr, size_t len) {\n wuffs_base__io_buffer ret;\n ret.data.ptr = ptr;\n ret.data.len = len;\n ret.meta.wi = 0;\n ret.meta.ri = 0;\n ret.meta.pos = 0;\n ret.meta.closed = false;\n return ret;\n}\n\nstatic inline wuffs_base__io_buffer //\nwuffs_base__slice_u8__reader(wuffs_base__slice_u8 s, bool closed) {\n wuffs_base__io_buffer ret;\n ret.data.ptr = s.ptr;\n ret.data.len = s.len;\n ret.meta.wi = s.len;\n ret.meta.ri = 0;\n ret.meta.pos = 0;\n ret.meta.closed = closed;\n return ret;\n}\n\nstatic inline wuffs_base__io_buffer //\nwuffs_base__slice_u8__writer(wuffs_base__slice_u8 s) {\n wuffs_base__io_buffer ret;\n ret.data.ptr = s.ptr;\n ret.data.len = s.len;\n ret.meta.wi = 0;\n ret.meta.ri = 0;\n ret.meta.pos = 0;\n ret.meta.closed = false;\n return ret;\n}\n\nstatic inline wuffs_base__io_buffer //\nwuffs_base__empty_io_buffer() {\n wuffs_base__io_buffer ret;\n ret.data.ptr = NULL;\n ret.data.len = 0;\n ret.meta.wi = 0;\n ret.meta.ri = 0;\n ret.meta.pos = 0;\n " +
+ " ret.meta.closed = false;\n return ret;\n}\n\nstatic inline wuffs_base__io_buffer_meta //\nwuffs_base__empty_io_buffer_meta() {\n wuffs_base__io_buffer_meta ret;\n ret.wi = 0;\n ret.ri = 0;\n ret.pos = 0;\n ret.closed = false;\n return ret;\n}\n\nstatic inline bool //\nwuffs_base__io_buffer__is_valid(const wuffs_base__io_buffer* buf) {\n if (buf) {\n if (buf->data.ptr) {\n return (buf->meta.ri <= buf->meta.wi) && (buf->meta.wi <= buf->data.len);\n } else {\n return (buf->meta.ri == 0) && (buf->meta.wi == 0) && (buf->data.len == 0);\n }\n }\n return false;\n}\n\n// wuffs_base__io_buffer__compact moves any written but unread bytes to the\n// start of the buffer.\nstatic inline void //\nwuffs_base__io_buffer__compact(wuffs_base__io_buffer* buf) {\n if (!buf || (buf->meta.ri == 0)) {\n return;\n }\n buf->meta.pos = wuffs_base__u64__sat_add(buf->meta.pos, buf->meta.ri);\n size_t n = buf->meta.wi - buf->meta.ri;\n if (n != 0) {\n memmove(buf->data.ptr, buf->data.ptr + buf->meta.ri, n);\n }\n buf->meta.wi = n" +
+ ";\n buf->meta.ri = 0;\n}\n\nstatic inline uint64_t //\nwuffs_base__io_buffer__reader_io_position(const wuffs_base__io_buffer* buf) {\n return buf ? wuffs_base__u64__sat_add(buf->meta.pos, buf->meta.ri) : 0;\n}\n\nstatic inline size_t //\nwuffs_base__io_buffer__reader_length(const wuffs_base__io_buffer* buf) {\n return buf ? buf->meta.wi - buf->meta.ri : 0;\n}\n\nstatic inline uint8_t* //\nwuffs_base__io_buffer__reader_pointer(const wuffs_base__io_buffer* buf) {\n return buf ? (buf->data.ptr + buf->meta.ri) : NULL;\n}\n\nstatic inline wuffs_base__slice_u8 //\nwuffs_base__io_buffer__reader_slice(const wuffs_base__io_buffer* buf) {\n return buf ? wuffs_base__make_slice_u8(buf->data.ptr + buf->meta.ri,\n buf->meta.wi - buf->meta.ri)\n : wuffs_base__empty_slice_u8();\n}\n\nstatic inline uint64_t //\nwuffs_base__io_buffer__writer_io_position(const wuffs_base__io_buffer* buf) {\n return buf ? wuffs_base__u64__sat_add(buf->meta.pos, buf->meta.wi) : 0;\n}\n\nstatic inline size_t //\nwuf" +
+ "fs_base__io_buffer__writer_length(const wuffs_base__io_buffer* buf) {\n return buf ? buf->data.len - buf->meta.wi : 0;\n}\n\nstatic inline uint8_t* //\nwuffs_base__io_buffer__writer_pointer(const wuffs_base__io_buffer* buf) {\n return buf ? (buf->data.ptr + buf->meta.wi) : NULL;\n}\n\nstatic inline wuffs_base__slice_u8 //\nwuffs_base__io_buffer__writer_slice(const wuffs_base__io_buffer* buf) {\n return buf ? wuffs_base__make_slice_u8(buf->data.ptr + buf->meta.wi,\n buf->data.len - buf->meta.wi)\n : wuffs_base__empty_slice_u8();\n}\n\n#ifdef __cplusplus\n\ninline bool //\nwuffs_base__io_buffer::is_valid() const {\n return wuffs_base__io_buffer__is_valid(this);\n}\n\ninline void //\nwuffs_base__io_buffer::compact() {\n wuffs_base__io_buffer__compact(this);\n}\n\ninline uint64_t //\nwuffs_base__io_buffer::reader_io_position() const {\n return wuffs_base__io_buffer__reader_io_position(this);\n}\n\ninline size_t //\nwuffs_base__io_buffer::reader_length() const {\n return wuffs_base__i" +
+ "o_buffer__reader_length(this);\n}\n\ninline uint8_t* //\nwuffs_base__io_buffer::reader_pointer() const {\n return wuffs_base__io_buffer__reader_pointer(this);\n}\n\ninline wuffs_base__slice_u8 //\nwuffs_base__io_buffer::reader_slice() const {\n return wuffs_base__io_buffer__reader_slice(this);\n}\n\ninline uint64_t //\nwuffs_base__io_buffer::writer_io_position() const {\n return wuffs_base__io_buffer__writer_io_position(this);\n}\n\ninline size_t //\nwuffs_base__io_buffer::writer_length() const {\n return wuffs_base__io_buffer__writer_length(this);\n}\n\ninline uint8_t* //\nwuffs_base__io_buffer::writer_pointer() const {\n return wuffs_base__io_buffer__writer_pointer(this);\n}\n\ninline wuffs_base__slice_u8 //\nwuffs_base__io_buffer::writer_slice() const {\n return wuffs_base__io_buffer__writer_slice(this);\n}\n\n#endif // __cplusplus\n" +
""
const BaseRangePrivateH = "" +
diff --git a/release/c/wuffs-unsupported-snapshot.c b/release/c/wuffs-unsupported-snapshot.c
index ab510b6..f6ab05b 100644
--- a/release/c/wuffs-unsupported-snapshot.c
+++ b/release/c/wuffs-unsupported-snapshot.c
@@ -1941,7 +1941,7 @@
typedef struct {
size_t wi; // Write index. Invariant: wi <= len.
size_t ri; // Read index. Invariant: ri <= wi.
- uint64_t pos; // Position of the buffer start relative to the stream start.
+ uint64_t pos; // Buffer position (relative to the start of stream).
bool closed; // No further writes are expected.
} wuffs_base__io_buffer_meta;
