27 lines
994 B
Diff
27 lines
994 B
Diff
Downstream-only patch to restore the extern ABI for functions
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like fprintf that use the FILE * type. Rebuilds of applications
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receive ABI change reports because of this installed header change
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(indirect subtype change in libabigail terms), and given that
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this part of struct _IO_FILE is strictly internal, there is no
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need to expose this change to installed headers.
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diff --git a/libio/bits/types/struct_FILE.h b/libio/bits/types/struct_FILE.h
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index 0e73f89f813ef3b8..f7f756a701ce0e93 100644
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--- a/libio/bits/types/struct_FILE.h
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+++ b/libio/bits/types/struct_FILE.h
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@@ -71,9 +71,14 @@ struct _IO_FILE
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struct _IO_FILE *_chain;
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int _fileno;
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+#ifdef _LIBC
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int _flags2:24;
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/* Fallback buffer to use when malloc fails to allocate one. */
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char _short_backupbuf[1];
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+#else
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+ /* Legacy ABI for ABI checking outside of glibc. */
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+ int _flags2;
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+#endif
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__off_t _old_offset; /* This used to be _offset but it's too small. */
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/* 1+column number of pbase(); 0 is unknown. */
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