mirror of https://github.com/ArduPilot/ardupilot
30 lines
622 B
C++
30 lines
622 B
C++
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/* Only build this file for AVR - it exists to provide overrides for
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* broken avr libc */
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#ifdef __AVR__
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#include <string.h>
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#include "AP_Progmem.h"
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// strlcat_P() in AVR libc seems to be broken
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size_t strlcat_P(char *d, const prog_char_t *s, size_t bufsize)
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{
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size_t len1 = strlen(d);
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size_t len2 = strlen_P(s);
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size_t ret = len1 + len2;
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if (len1+len2 >= bufsize) {
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if (bufsize < (len1+1)) {
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return ret;
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}
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len2 = bufsize - (len1+1);
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}
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if (len2 > 0) {
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memcpy_P(d+len1, s, len2);
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d[len1+len2] = 0;
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}
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return ret;
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}
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#endif // __AVR__
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