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| author | Kito Cheng <kito.cheng@gmail.com> | 2017-04-09 00:06:06 +0800 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2017-04-18 12:25:35 +0200 |
| commit | c23fbc3aedd0c25c0b0c34402e53328bffa692de (patch) | |
| tree | baab5ce10cee0c310cc80e987e18200cae2b8fd2 /newlib/libc | |
| parent | 8ae6d8003a0a478643a9f3c3e2ede5198445d307 (diff) | |
| download | cygnal-c23fbc3aedd0c25c0b0c34402e53328bffa692de.tar.gz cygnal-c23fbc3aedd0c25c0b0c34402e53328bffa692de.tar.bz2 cygnal-c23fbc3aedd0c25c0b0c34402e53328bffa692de.zip | |
Add __packed to struct ldieee
- We don't want any padding in struct ldieee, otherwise the offset
might wrong in most compiler.
Diffstat (limited to 'newlib/libc')
| -rw-r--r-- | newlib/libc/stdio/vfieeefp.h | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/newlib/libc/stdio/vfieeefp.h b/newlib/libc/stdio/vfieeefp.h index 716911909..e85cabb3c 100644 --- a/newlib/libc/stdio/vfieeefp.h +++ b/newlib/libc/stdio/vfieeefp.h @@ -35,6 +35,7 @@ #include <float.h> #include <errno.h> #include <sys/config.h> +#include <sys/cdefs.h> #ifdef __IEEE_LITTLE_ENDIAN #define IEEE_8087 @@ -71,7 +72,7 @@ struct ldieee unsigned manh:23; unsigned exp:8; unsigned sign:1; -}; +} __packed; #elif LDBL_MANT_DIG == 53 struct ldieee { @@ -79,7 +80,7 @@ struct ldieee unsigned manh:32; unsigned exp:11; unsigned sign:1; -}; +} __packed; #elif LDBL_MANT_DIG == 64 struct ldieee { @@ -87,7 +88,7 @@ struct ldieee unsigned manh:32; unsigned exp:15; unsigned sign:1; -}; +} __packed; #elif LDBL_MANT_DIG > 64 struct ldieee { @@ -97,7 +98,7 @@ struct ldieee unsigned manh:32; unsigned exp:15; unsigned sign:1; -}; +} __packed; #endif /* LDBL_MANT_DIG */ #else /* !IEEE_8087 */ #if LDBL_MANT_DIG == 24 @@ -106,7 +107,7 @@ struct ldieee unsigned sign:1; unsigned exp:8; unsigned manh:23; -}; +} __packed; #elif LDBL_MANT_DIG == 53 struct ldieee { @@ -114,7 +115,7 @@ struct ldieee unsigned exp:11; unsigned manh:32; unsigned manl:20; -}; +} __packed; #elif LDBL_MANT_DIG == 64 struct ldieee { @@ -122,7 +123,7 @@ struct ldieee unsigned exp:15; unsigned manh:32; unsigned manl:32; -}; +} __packed; #elif LDBL_MANT_DIG > 64 struct ldieee { @@ -132,7 +133,7 @@ struct ldieee unsigned manl:32; unsigned manl2:32; unsigned manl3:16; -}; +} __packed; #endif /* LDBL_MANT_DIG */ #endif /* !IEEE_8087 */ #endif /* _WANT_IO_LONG_DOUBLE */ |