1 #include <u.h> 2 #include <libc.h> 3 #include "fmtdef.h" 4 5 int 6 sprint(char *buf, char *fmt, ...) 7 { 8 int n; 9 uint len; 10 va_list args; 11 12 len = 1<<30; /* big number, but sprint is deprecated anyway */ 13 /* 14 * on PowerPC, the stack is near the top of memory, so 15 * we must be sure not to overflow a 32-bit pointer. 16 */ 17 if((uintptr)buf+len < (uintptr)buf) 18 len = -(uintptr)buf-1; 19 20 va_start(args, fmt); 21 n = vsnprint(buf, len, fmt, args); 22 va_end(args); 23 return n; 24 } 25