[1/3] _BSD_SOURCE for stdio.h

[Isaac Dunham <idunham@lavabit.com>]

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This is compatible with NetBSD's _NETBSD_SOURCE, but is more
complete than glibc's _BSD_SOURCE.

Isaac Dunham

[-- Attachment #2: stdio.dif --]
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diff --git a/include/stdio.h b/include/stdio.h
index dca8acc..2227da6 100644
--- a/include/stdio.h
+++ b/include/stdio.h
@@ -10,7 +10,8 @@ extern "C" {
 #define __NEED_size_t
 
 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
- || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
+ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
+ !! defined(_BSD_SOURCE)
 #define __NEED_ssize_t
 #define __NEED_off_t
 #endif
@@ -120,7 +121,8 @@ char *tmpnam(char *);
 FILE *tmpfile(void);
 
 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
- || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
+ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
+ || defined(_BSD_SOURCE)
 FILE *fmemopen(void *, size_t, const char *);
 FILE *open_memstream(char **, size_t *);
 FILE *fdopen(int, const char *);
@@ -146,12 +148,13 @@ char *ctermid(char *);
 #endif
 
 
-#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
+#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
+ || defined(_BSD_SOURCE)
 #define P_tmpdir "/tmp"
 char *tempnam(const char *, const char *);
 #endif
 
-#if defined(_GNU_SOURCE)
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 #define L_cuserid 20
 char *cuserid(char *);
 #undef off64_t