PBL: Add strnlen, needed for printf support
vsprintf needs strnlen, so in oder to add console support to the PBL we need a strnlen implementation. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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14
pbl/string.c
14
pbl/string.c
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@ -119,3 +119,17 @@ void *memset(void *s, int c, size_t count)
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*xs++ = c;
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return s;
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}
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/**
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* strnlen - Find the length of a length-limited string
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* @s: The string to be sized
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* @count: The maximum number of bytes to search
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*/
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size_t strnlen(const char * s, size_t count)
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{
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const char *sc;
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for (sc = s; count-- && *sc != '\0'; ++sc)
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/* nothing */;
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return sc - s;
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}
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