diff options
author | Bill Wendling <isanbard@gmail.com> | 2013-05-15 21:31:22 +0000 |
---|---|---|
committer | Bill Wendling <isanbard@gmail.com> | 2013-05-15 21:31:22 +0000 |
commit | 2a46a60510948b5005d62025fbba307a0323ed8d (patch) | |
tree | bcf69b34828332f3755ef9d593b43018af34e2e4 /SDKs | |
parent | 0bdc46c7ee03e8c4e4da7c5ac43edac237aa53e2 (diff) |
Try to improve performance by using a read/write buffer instead of I/O.
The calls to fwrite/fread can be very expensive. GCC avoids this by using a
buffer to read and write from the file, thus limiting the number of fwrite/fread
calls.
<rdar://problem/13466086>
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@181924 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'SDKs')
-rw-r--r-- | SDKs/darwin/usr/include/stdio.h | 1 | ||||
-rw-r--r-- | SDKs/darwin/usr/include/string.h | 1 | ||||
-rw-r--r-- | SDKs/linux/usr/include/stdio.h | 1 | ||||
-rw-r--r-- | SDKs/linux/usr/include/string.h | 1 |
4 files changed, 4 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/darwin/usr/include/string.h b/SDKs/darwin/usr/include/string.h index bee9d46cd..c7da1f57b 100644 --- a/SDKs/darwin/usr/include/string.h +++ b/SDKs/darwin/usr/include/string.h @@ -21,6 +21,7 @@ typedef __SIZE_TYPE__ size_t; int memcmp(const void *, const void *, size_t); void *memcpy(void *, const void *, size_t); +void *memset(void *, int, size_t); char *strcat(char *, const char *); char *strcpy(char *, const char *); char *strdup(const char *); 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__ */ diff --git a/SDKs/linux/usr/include/string.h b/SDKs/linux/usr/include/string.h index bee9d46cd..c7da1f57b 100644 --- a/SDKs/linux/usr/include/string.h +++ b/SDKs/linux/usr/include/string.h @@ -21,6 +21,7 @@ typedef __SIZE_TYPE__ size_t; int memcmp(const void *, const void *, size_t); void *memcpy(void *, const void *, size_t); +void *memset(void *, int, size_t); char *strcat(char *, const char *); char *strcpy(char *, const char *); char *strdup(const char *); |