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add __attribute__ format to Print::printf

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compiler now gives warnings by miss usage of printf
This commit is contained in:
Markus Sattler 2015-05-22 10:46:56 +02:00
parent d30e1181cf
commit a75521bfe0
1 changed files with 1 additions and 1 deletions
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cores/esp8266/Print.h
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@ -63,7 +63,7 @@ class Print {
return write((const uint8_t *) buffer, size);
}
size_t printf(const char * format, ...);
size_t printf(const char * format, ...) __attribute__ ((format (printf, 2, 3)));
size_t print(const __FlashStringHelper *);
size_t print(const String &);
size_t print(const char[]);