ref: a8472c1d56c5663f7c4c97e172da84bbc6959cdd
dir: /libc/sprint.c/
#include <u.h> #include <libc.h> #include "fmtdef.h" int sprint(char *buf, char *fmt, ...) { int n; uint len; va_list args; len = 1<<30; /* big number, but sprint is deprecated anyway */ /* * on PowerPC, the stack is near the top of memory, so * we must be sure not to overflow a 32-bit pointer. */ if((uintptr)buf+len < (uintptr)buf) len = -(uintptr)buf-1; va_start(args, fmt); n = vsnprint(buf, len, fmt, args); va_end(args); return n; }