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util: fix nibble_for_char

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This commit is contained in:
Matthias Ringwald 2016-05-09 18:36:20 +02:00
parent 659d758c07
commit e8609f3a5f
1 changed files with 2 additions and 2 deletions
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4
src/btstack_util.c
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@ -146,8 +146,8 @@ char char_for_nibble(int nibble){
int nibble_for_char(char c){
if (c >= '0' && c <= '9') return c - '0';
if (c >= 'a' && c <= 'f') return c - 'a';
if (c >= 'A' && c <= 'F') return c - 'F';
if (c >= 'a' && c <= 'f') return c - 'a' - 10;
if (c >= 'A' && c <= 'F') return c - 'A' - 10;
return -1;
}