diff options
Diffstat (limited to 'src/getlimits.c')
| -rw-r--r-- | src/getlimits.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/src/getlimits.c b/src/getlimits.c index 48d07b5ae..93d4035a7 100644 --- a/src/getlimits.c +++ b/src/getlimits.c @@ -19,6 +19,7 @@ #include <config.h> /* sets _FILE_OFFSET_BITS=64 etc. */ #include <stdio.h> #include <sys/types.h> +#include <float.h> #include "system.h" #include "c-ctype.h" @@ -123,7 +124,7 @@ decimal_ascii_add (const char *str1, const char *str2) int main (int argc, char **argv) { - char limit[64]; /* big enough for 128 bit at least */ + char limit[64]; /* big enough for 128 bit integers at least */ char *oflow; initialize_main (&argc, &argv); @@ -139,20 +140,24 @@ main (int argc, char **argv) usage, AUTHORS, (char const *) NULL); #define print_int(TYPE) \ - snprintf (limit, sizeof limit, "%"PRIuMAX, (uintmax_t)TYPE##_MAX); \ + snprintf (limit, sizeof limit, "%"PRIuMAX, (uintmax_t)TYPE##_MAX); \ printf (#TYPE"_MAX=%s\n", limit); \ oflow = decimal_ascii_add (limit, "1"); \ printf (#TYPE"_OFLOW=%s\n", oflow); \ free (oflow); \ if (TYPE##_MIN) \ { \ - snprintf (limit, sizeof limit, "%"PRIdMAX, (intmax_t)TYPE##_MIN); \ + snprintf (limit, sizeof limit, "%"PRIdMAX, (intmax_t)TYPE##_MIN); \ printf (#TYPE"_MIN=%s\n", limit); \ oflow = decimal_ascii_add (limit, "-1"); \ printf (#TYPE"_UFLOW=%s\n", oflow); \ free (oflow); \ } +#define print_float(TYPE) \ + printf (#TYPE"_MIN=%Le\n", (long double)TYPE##_MIN); \ + printf (#TYPE"_MAX=%Le\n", (long double)TYPE##_MAX); + /* Variable sized ints */ print_int (CHAR); print_int (SCHAR); @@ -171,4 +176,9 @@ main (int argc, char **argv) print_int (OFF_T); print_int (INTMAX); print_int (UINTMAX); + + /* Variable sized floats */ + print_float (FLT); + print_float (DBL); + print_float (LDBL); } |