1 #include <unistd.h> 2 #include <stdio.h> 3 #include <errno.h> 4 #include <unsupported_api.h> 5 confstr(int name,char * buf,size_t len)6size_t confstr(int name, char *buf, size_t len) 7 { 8 const char *s = ""; 9 10 unsupported_api(__FUNCTION__); 11 if (!name) { 12 s = "/bin:/usr/bin"; 13 } else if ((name&~4U)!=1 && name-_CS_POSIX_V6_ILP32_OFF32_CFLAGS>33U) { 14 errno = EINVAL; 15 return 0; 16 } 17 // snprintf is overkill but avoid wasting code size to implement 18 // this completely useless function and its truncation semantics 19 return snprintf(buf, len, "%s", s) + 1; 20 } 21