libplatform-220.tar.gz

[apple/libplatform.git] / src / simple / string_io.c

diff --git a/src/simple/string_io.c b/src/simple/string_io.c
index 4bffac6755060e0e3fa720c41e2c4595884dac46..0c8c6375e811c945bcce09b7409a76ca15db76d6 100644 (file)
--- a/src/simple/string_io.c
+++ b/src/simple/string_io.c
@@ -187,6 +187,35 @@ dec(BUF *b, _esc_func esc, long long in, int width, int zero)
        put_s(b, esc, cp);
 }
 
+/*
+ * Output the octal string representing the number in "n".  "width" is
+ * the minimum field width, and "zero" is a boolean value, true for zero padding
+ * (otherwise blank padding).
+ */
+static void
+oct(BUF *b, _esc_func esc, unsigned long long n, int width, int zero)
+{
+       char buf[32];
+       char *cp = buf + sizeof(buf);
+       ssize_t pad;
+
+       *--cp = 0;
+       if (n) {
+               while (n) {
+                       *--cp = (n % 8) + '0';
+                       n /= 8;
+               }
+       } else {
+               *--cp = '0';
+       }
+       pad = width - strlen(cp);
+       zero = zero ? '0' : ' ';
+       while (pad-- > 0) {
+               put_c(b, esc, zero);
+       }
+       put_s(b, esc, cp);
+}
+
 /*
  * Output the hex string representing the number in "n".  "width" is the
  * minimum field width, and "zero" is a boolean value, true for zero padding
@@ -334,6 +363,19 @@ __simple_bprintf(BUF *b, _esc_func esc, const char *fmt, va_list ap)
                                lflag++;
                                fmt++;
                                continue;
+                       case 'o':
+                               switch (lflag) {
+                               case 0:
+                                       oct(b, esc, va_arg(ap, int), width, zero);
+                                       break;
+                               case 1:
+                                       oct(b, esc, va_arg(ap, long), width, zero);
+                                       break;
+                               default:
+                                       oct(b, esc, va_arg(ap, long long), width, zero);
+                                       break;
+                               }
+                               break;
                        case 'p':
                                hex(b, esc, (unsigned long)va_arg(ap, void *), width, zero, 0, 1);
                                break;