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write(), print(), and println() now return number of bytes written.

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The type is long, and negative values indicate errors.  Needs more testing.
http://code.google.com/p/arduino/issues/detail?id=551
This commit is contained in:
David A. Mellis
2011-08-23 19:12:03 -04:00
parent b788ad593f
commit 8059abe581
24 changed files with 290 additions and 174 deletions
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6
libraries/SD/SD.h
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@@ -32,9 +32,9 @@ public:
File(SdFile f, char *name); // wraps an underlying SdFile
File(void); // 'empty' constructor
~File(void); // destructor
virtual void write(uint8_t);
virtual void write(const char *str);
virtual void write(const uint8_t *buf, size_t size);
virtual long write(uint8_t);
virtual long write(const char *str);
virtual long write(const uint8_t *buf, size_t size);
virtual int read();
virtual int peek();
virtual int available();