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-rw-r--r--qga/commands-win32.c29
1 files changed, 15 insertions, 14 deletions
diff --git a/qga/commands-win32.c b/qga/commands-win32.c
index a5306e7..41f6dd9 100644
--- a/qga/commands-win32.c
+++ b/qga/commands-win32.c
@@ -59,6 +59,7 @@ static struct {
.filehandles = QTAILQ_HEAD_INITIALIZER(guest_file_state.filehandles),
};
+#define FILE_GENERIC_APPEND (FILE_GENERIC_WRITE & ~FILE_WRITE_DATA)
typedef struct OpenFlags {
const char *forms;
@@ -66,20 +67,20 @@ typedef struct OpenFlags {
DWORD creation_disposition;
} OpenFlags;
static OpenFlags guest_file_open_modes[] = {
- {"r", GENERIC_READ, OPEN_EXISTING},
- {"rb", GENERIC_READ, OPEN_EXISTING},
- {"w", GENERIC_WRITE, CREATE_ALWAYS},
- {"wb", GENERIC_WRITE, CREATE_ALWAYS},
- {"a", GENERIC_WRITE, OPEN_ALWAYS },
- {"r+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
- {"rb+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
- {"r+b", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
- {"w+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
- {"wb+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
- {"w+b", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
- {"a+", GENERIC_WRITE|GENERIC_READ, OPEN_ALWAYS },
- {"ab+", GENERIC_WRITE|GENERIC_READ, OPEN_ALWAYS },
- {"a+b", GENERIC_WRITE|GENERIC_READ, OPEN_ALWAYS }
+ {"r", GENERIC_READ, OPEN_EXISTING},
+ {"rb", GENERIC_READ, OPEN_EXISTING},
+ {"w", GENERIC_WRITE, CREATE_ALWAYS},
+ {"wb", GENERIC_WRITE, CREATE_ALWAYS},
+ {"a", FILE_GENERIC_APPEND, OPEN_ALWAYS },
+ {"r+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
+ {"rb+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
+ {"r+b", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
+ {"w+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
+ {"wb+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
+ {"w+b", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
+ {"a+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS },
+ {"ab+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS },
+ {"a+b", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS }
};
static OpenFlags *find_open_flag(const char *mode_str)
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