return NULL;
}
-/* Set an integer value, various forms. Sets to 1 on arg == NULL. */
+/* Set an integer value, various forms.
+ FIXME: set to 1 on arg == NULL ? */
char *opt_set_intval(const char *arg, int *i)
{
long l;
if (err)
return err;
*i = l;
- /* Beware truncation... */
- if (*i != l)
+ /* Beware truncation, but don't generate untestable code. */
+ if (sizeof(*i) != sizeof(l) && *i != l)
return arg_bad("value '%s' does not fit into an integer", arg);
return err;
}
{
long int l;
char *err;
-
+
err = opt_set_longval(arg, &l);
if (err)
return err;
buf[2+len] = '\0';
}
-/* Set an integer value, various forms. Sets to 1 on arg == NULL. */
+/* Show an integer value, various forms. */
void opt_show_intval(char buf[OPT_SHOW_LEN], const int *i)
{
snprintf(buf, OPT_SHOW_LEN, "%i", *i);
{
return set_uint_with_suffix(arg, u, 1000);
}
+
+/*static helpers for showing values with kMGTPE suffixes. In this case there
+ are separate but essentially identical functions for signed and unsigned
+ values, so that unsigned values greater than LLONG_MAX get suffixes.
+ */
+static void show_llong_with_suffix(char buf[OPT_SHOW_LEN], long long ll,
+ const long long base)
+{
+ const char *suffixes = "kMGTPE";
+ int i;
+ if (ll == 0){
+ /*zero is special because everything divides it (you'd get "0E")*/
+ snprintf(buf, OPT_SHOW_LEN, "0");
+ return;
+ }
+ for (i = 0; i < strlen(suffixes); i++){
+ long long tmp = ll / base;
+ if (tmp * base != ll)
+ break;
+ ll = tmp;
+ }
+ if (i == 0)
+ snprintf(buf, OPT_SHOW_LEN, "%lld", ll);
+ else
+ snprintf(buf, OPT_SHOW_LEN, "%lld%c", ll, suffixes[i - 1]);
+}
+
+static void show_ullong_with_suffix(char buf[OPT_SHOW_LEN], unsigned long long ull,
+ const unsigned base)
+{
+ const char *suffixes = "kMGTPE";
+ int i;
+ if (ull == 0){
+ /*zero is special because everything divides it (you'd get "0E")*/
+ snprintf(buf, OPT_SHOW_LEN, "0");
+ return;
+ }
+ for (i = 0; i < strlen(suffixes); i++){
+ unsigned long long tmp = ull / base;
+ if (tmp * base != ull)
+ break;
+ ull = tmp;
+ }
+ if (i == 0)
+ snprintf(buf, OPT_SHOW_LEN, "%llu", ull);
+ else
+ snprintf(buf, OPT_SHOW_LEN, "%llu%c", ull, suffixes[i - 1]);
+}
+
+/* _bi, signed */
+void opt_show_intval_bi(char buf[OPT_SHOW_LEN], const int *x)
+{
+ show_llong_with_suffix(buf, *x, 1024);
+}
+
+void opt_show_longval_bi(char buf[OPT_SHOW_LEN], const long *x)
+{
+ show_llong_with_suffix(buf, *x, 1024);
+}
+
+void opt_show_longlongval_bi(char buf[OPT_SHOW_LEN], const long long *x)
+{
+ show_llong_with_suffix(buf, *x, 1024);
+}
+
+/* _bi, unsigned */
+void opt_show_uintval_bi(char buf[OPT_SHOW_LEN], const unsigned int *x)
+{
+ show_ullong_with_suffix(buf, (unsigned long long) *x, 1024);
+}
+
+void opt_show_ulongval_bi(char buf[OPT_SHOW_LEN], const unsigned long *x)
+{
+ show_ullong_with_suffix(buf, (unsigned long long) *x, 1024);
+}
+
+void opt_show_ulonglongval_bi(char buf[OPT_SHOW_LEN], const unsigned long long *x)
+{
+ show_ullong_with_suffix(buf, (unsigned long long) *x, 1024);
+}
+
+/* _si, signed */
+void opt_show_intval_si(char buf[OPT_SHOW_LEN], const int *x)
+{
+ show_llong_with_suffix(buf, (long long) *x, 1000);
+}
+
+void opt_show_longval_si(char buf[OPT_SHOW_LEN], const long *x)
+{
+ show_llong_with_suffix(buf, (long long) *x, 1000);
+}
+
+void opt_show_longlongval_si(char buf[OPT_SHOW_LEN], const long long *x)
+{
+ show_llong_with_suffix(buf, *x, 1000);
+}
+
+/* _si, unsigned */
+void opt_show_uintval_si(char buf[OPT_SHOW_LEN], const unsigned int *x)
+{
+ show_ullong_with_suffix(buf, (unsigned long long) *x, 1000);
+}
+
+void opt_show_ulongval_si(char buf[OPT_SHOW_LEN], const unsigned long *x)
+{
+ show_ullong_with_suffix(buf, (unsigned long long) *x, 1000);
+}
+
+void opt_show_ulonglongval_si(char buf[OPT_SHOW_LEN], const unsigned long long *x)
+{
+ show_ullong_with_suffix(buf, (unsigned long long) *x, 1000);
+}
+