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-rw-r--r--common/file.cpp62
1 files changed, 62 insertions, 0 deletions
diff --git a/common/file.cpp b/common/file.cpp
index fb837b9499..6083e5547d 100644
--- a/common/file.cpp
+++ b/common/file.cpp
@@ -558,4 +558,66 @@ void DumpFile::flush() {
}
+StdioStream::StdioStream(void *handle) : _handle(handle) {
+ assert(handle);
+}
+
+StdioStream::~StdioStream() {
+ fclose((FILE *)_handle);
+}
+
+bool StdioStream::ioFailed() const {
+ return ferror((FILE *)_handle) != 0;
+}
+
+void StdioStream::clearIOFailed() {
+ clearerr((FILE *)_handle);
+}
+
+bool StdioStream::eos() const {
+ return feof((FILE *)_handle) != 0;
+}
+
+uint32 StdioStream::pos() const {
+ // FIXME: ftell can return -1 to indicate an error (in which case errno gets set)
+ // Maybe we should support that, too?
+ return ftell((FILE *)_handle);
+}
+
+uint32 StdioStream::size() const {
+ uint32 oldPos = ftell((FILE *)_handle);
+ fseek((FILE *)_handle, 0, SEEK_END);
+ uint32 length = ftell((FILE *)_handle);
+ fseek((FILE *)_handle, oldPos, SEEK_SET);
+
+ return length;
+}
+
+void StdioStream::seek(int32 offs, int whence) {
+ assert(_handle);
+
+ if (fseek((FILE *)_handle, offs, whence) != 0)
+ clearerr((FILE *)_handle); // FIXME: why do we call clearerr here?
+
+ // FIXME: fseek has a return value to indicate errors;
+ // Maybe we should support that, too?
+}
+
+uint32 StdioStream::read(void *ptr, uint32 len) {
+ return (uint32)fread((byte *)ptr, 1, len, (FILE *)_handle);
+}
+
+uint32 StdioStream::write(const void *ptr, uint32 len) {
+ return (uint32)fwrite(ptr, 1, len, (FILE *)_handle);
+}
+
+void StdioStream::flush() {
+ // TODO: Should check the return value of fflush, and if it is non-zero,
+ // check errno and set an error flag.
+ fflush((FILE *)_handle);
+}
+
+
+
+
} // End of namespace Common