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Diffstat (limited to 'daemon/DynBuf.h')
-rw-r--r-- | daemon/DynBuf.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/daemon/DynBuf.h b/daemon/DynBuf.h new file mode 100644 index 0000000..2f4554a --- /dev/null +++ b/daemon/DynBuf.h @@ -0,0 +1,52 @@ +/** + * Copyright (C) ARM Limited 2013-2014. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef DYNBUF_H +#define DYNBUF_H + +#include <stdlib.h> + +class DynBuf { +public: + DynBuf() : capacity(0), length(0), buf(NULL) {} + ~DynBuf() { + reset(); + } + + inline void reset() { + capacity = 0; + length = 0; + if (buf != NULL) { + free(buf); + buf = NULL; + } + } + + bool read(const char *const path); + // On error instead of printing the error and returning false, this returns -errno + int readlink(const char *const path); + __attribute__ ((format(printf, 2, 3))) + bool printf(const char *format, ...); + + size_t getLength() const { return length; } + const char *getBuf() const { return buf; } + char *getBuf() { return buf; } + +private: + int resize(const size_t minCapacity); + + size_t capacity; + size_t length; + char *buf; + + // Intentionally undefined + DynBuf(const DynBuf &); + DynBuf &operator=(const DynBuf &); +}; + +#endif // DYNBUF_H |