diff options
| author | Simon Glass <sjg@chromium.org> | 2018-10-01 11:55:07 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2018-10-09 04:40:26 -0600 |
| commit | 50b288aca324649fb5b357ce75972a5261cf94fc (patch) | |
| tree | 7684005feef776fa06fc966d5ec8b72c29232869 | |
| parent | cdd140af5c6b623d31ac87a8054cee55fb70d3f0 (diff) | |
sandbox: Support file truncation with os_open()
At present files are not truncated on writing. This is a useful feature.
Add support for this.
Signed-off-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | arch/sandbox/cpu/os.c | 2 | ||||
| -rw-r--r-- | include/os.h | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/arch/sandbox/cpu/os.c b/arch/sandbox/cpu/os.c index d4d6d78dc7..1d87a53843 100644 --- a/arch/sandbox/cpu/os.c +++ b/arch/sandbox/cpu/os.c @@ -85,6 +85,8 @@ int os_open(const char *pathname, int os_flags) if (os_flags & OS_O_CREAT) flags |= O_CREAT; + if (os_flags & OS_O_TRUNC) + flags |= O_TRUNC; return open(pathname, flags, 0777); } diff --git a/include/os.h b/include/os.h index 7116f87578..9e3a561b65 100644 --- a/include/os.h +++ b/include/os.h @@ -75,6 +75,7 @@ int os_open(const char *pathname, int flags); #define OS_O_RDWR 2 #define OS_O_MASK 3 /* Mask for read/write flags */ #define OS_O_CREAT 0100 +#define OS_O_TRUNC 01000 /** * Access to the OS close() system call |