1// commit 89740868c9f1c84b8ee528468d12df1fa72cd392 2014-04-07 2// %g should not print trailing zeros 3#include <stdio.h> 4#include <string.h> 5#include "test.h" 6 7static void t(const char *fmt, double d, const char *want) 8{ 9 char buf[256]; 10 int n = strlen(want); 11 int r = snprintf(buf, sizeof buf, fmt, d); 12 if (r != n || memcmp(buf, want, n+1) != 0) 13 t_error("snprintf(\"%s\",%f) want %s got %s\n", fmt, d, want, buf); 14} 15 16int main() 17{ 18 t("%.50g", 100000000000000.5, "100000000000000.5"); 19 t("%.50g", 987654321098765.0, "987654321098765"); 20 return t_status; 21} 22