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[avr-libc-dev] [bug #28058] parameter checking in pgm_read_xxx()
From: |
Jan Waclawek |
Subject: |
[avr-libc-dev] [bug #28058] parameter checking in pgm_read_xxx() |
Date: |
Wed, 28 Apr 2010 15:20:51 +0000 |
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Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3 (.NET CLR 3.5.30729) |
Follow-up Comment #1, bug #28058 (project avr-libc):
I would also propose adding the following function to <avr/pgmspace.h>, to
allow for proper reading of PROGMEM char-s
__attribute__((__always_inline__)) static char pgm_read_char(PGM_P);
static char pgm_read_char(PGM_P addr) {
return (char)(__LPM((uint16_t)(addr)));
}
[Please note that in my initial submission, the markup feature eat up the
double-underscores around __attribute__ and __always_inline__ to single
underscores...]
Jan Waclawek
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