X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flibpspp%2Fstr.h;h=4a219d7a81f04d8c4a4bb51e9c9c112a0815caa4;hb=4b8c6191f0204d6a0b62650490ef2794d62ec79c;hp=64da85629bdc253717745b755fbeff860afa1cd1;hpb=85511a4716efe359d50a21b2869f1d14f6b18731;p=pspp-builds.git

diff --git a/src/libpspp/str.h b/src/libpspp/str.h
index 64da8562..4a219d7a 100644
--- a/src/libpspp/str.h
+++ b/src/libpspp/str.h
@@ -72,9 +72,9 @@ struct substring
 /* Constructors.
    These functions do not allocate any memory, so the substrings
    they create should not normally be destroyed. */
-struct substring ss_empty (void);
-struct substring ss_cstr (const char *);
-struct substring ss_buffer (const char *, size_t);
+static inline struct substring ss_empty (void);
+static inline struct substring ss_cstr (const char *);
+static inline struct substring ss_buffer (const char *, size_t);
 struct substring ss_substr (struct substring, size_t start, size_t);
 struct substring ss_head (struct substring, size_t);
 struct substring ss_tail (struct substring, size_t);
@@ -226,6 +226,33 @@ void ds_relocate (struct string *st);
 void u8_buf_copy_rpad (uint8_t *dst, size_t dst_size,
 		       const uint8_t *src, size_t src_size,
 		       char pad);
-
+
+struct substring
+ss_empty (void)
+{
+  struct substring ss;
+  ss.string = NULL;
+  ss.length = 0;
+  return ss;
+}
+
+/* Returns a substring whose contents are the given C-style
+   string CSTR. */
+static inline struct substring
+ss_cstr (const char *cstr)
+{
+  return ss_buffer (cstr, strlen (cstr));
+}
+
+/* Returns a substring whose contents are the CNT characters in
+   BUFFER. */
+static inline struct substring
+ss_buffer (const char *buffer, size_t cnt)
+{
+  struct substring ss;
+  ss.string = (char *) buffer;
+  ss.length = cnt;
+  return ss;
+}
 
 #endif /* str_h */