1 /* { dg-options "-fno-strict-overflow" } */ 2 typedef unsigned char __uint8_t; 3 typedef __uint8_t uint8_t; 4 typedef uint8_t u8_t; 5 typedef struct ip_addr ip_addr_t; 6 char * ipaddr_ntoa_r(const ip_addr_t * addr,char * buf,int buflen)7ipaddr_ntoa_r (const ip_addr_t * addr, char *buf, int buflen) 8 { 9 char inv[3]; 10 char *rp; 11 u8_t *ap; 12 u8_t n; 13 u8_t i; 14 int len = 0; 15 for (n = 0; n < 4; n++) 16 { 17 while (*ap); 18 while (i--) 19 { 20 if (len++ >= buflen) 21 return ((void *) 0); 22 *rp++ = inv[i]; 23 } ap++; 24 } 25 } 26