From: uz <uz@b7a2c559-68d2-44c3-8de9-860c34a00d81>
Date: Sat, 10 Oct 2009 20:51:52 +0000 (+0000)
Subject: New function SB_SkipMultiple().
X-Git-Tag: V2.13.1~165
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=e623c87d63b458079ea66c3ef41080f7cb52c2ad;p=cc65

New function SB_SkipMultiple().


git-svn-id: svn://svn.cc65.org/cc65/trunk@4358 b7a2c559-68d2-44c3-8de9-860c34a00d81
---

diff --git a/src/common/strbuf.h b/src/common/strbuf.h
index fc904a1d2..8e3fc8863 100644
--- a/src/common/strbuf.h
+++ b/src/common/strbuf.h
@@ -286,6 +286,18 @@ INLINE void SB_Skip (StrBuf* B)
 #  define SB_Skip(B)     do { if ((B)->Index < (B)->Len) ++(B)->Index; } while (0)
 #endif
 
+#if defined(HAVE_INLINE)
+INLINE void SB_SkipMultiple (StrBuf* B, unsigned Count)
+/* Skip a number of characters in the string buffer if this is possible. */
+{
+    if ((B->Index += Count) > B->Len) {
+        B->Index = B->Len;
+    }
+}
+#else
+#  define SB_SkipMultiple(B)   do { if (((B)->Index += (Count)) > (B)->Len) (B)->Index = (B)->Len; } while (0)
+#endif
+
 void SB_Drop (StrBuf* B, unsigned Count);
 /* Drop characters from the end of the string. */