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authorBill Wendling <isanbard@gmail.com>2013-05-03 00:25:49 +0000
committerBill Wendling <isanbard@gmail.com>2013-05-03 00:25:49 +0000
commitd83a6d8bafbf2afa3ebcf9e006bf0c7414f9b2dc (patch)
tree0bd04f2d76770370749cf1fd28807bf61741f83e /SDKs
parent2b26c909424953af8fa443d075e27e68c1571be4 (diff)
Use unbuffered I/O. This reduces the runtime by about half. Our implementation is now only about 5 times slower than gcc's.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@180980 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'SDKs')
-rw-r--r--SDKs/darwin/usr/include/stdio.h1
-rw-r--r--SDKs/linux/usr/include/stdio.h1
2 files changed, 2 insertions, 0 deletions
diff --git a/SDKs/darwin/usr/include/stdio.h b/SDKs/darwin/usr/include/stdio.h
index 63b10a86b..5bbd8a55b 100644
--- a/SDKs/darwin/usr/include/stdio.h
+++ b/SDKs/darwin/usr/include/stdio.h
@@ -74,6 +74,7 @@ size_t fwrite(const void * __restrict, size_t, size_t, FILE * __restrict)
size_t fread(void * __restrict, size_t, size_t, FILE * __restrict);
long ftell(FILE *);
int fseek(FILE *, long, int);
+void setbuf(FILE * __restrict, char * __restrict);
int snprintf(char * __restrict, size_t, const char * __restrict, ...);
diff --git a/SDKs/linux/usr/include/stdio.h b/SDKs/linux/usr/include/stdio.h
index 7c258d2ac..0ca10fabe 100644
--- a/SDKs/linux/usr/include/stdio.h
+++ b/SDKs/linux/usr/include/stdio.h
@@ -38,5 +38,6 @@ extern size_t fwrite(const void * restrict, size_t, size_t, FILE * restrict);
extern size_t fread(void * restrict, size_t, size_t, FILE * restrict);
extern long ftell(FILE *);
extern int fseek(FILE *, long, int);
+extern void setbuf(FILE * restrict, char * restrict);
#endif /* __STDIO_H__ */