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Location: windsonde/Source/system/_sbrk.c - annotation
c52174ca9326
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Add safety check to afsk transmit start
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// sbrk: basic implementation of _sbrk for sprintf and other stdlib functions
//
#include <sys/stat.h>
caddr_t _sbrk(int incr)
{
extern char end asm("end");
static char *heap_end;
char *prev_heap_end;
if (heap_end == 0) {
heap_end = &end;
}
prev_heap_end = heap_end;
heap_end += incr;
return (caddr_t)prev_heap_end;
}
// vim:softtabstop=4 shiftwidth=4 expandtab
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