add errors for unimplemented features

[pspp] / src / libpspp / str.c

diff --git a/src/libpspp/str.c b/src/libpspp/str.c
index 45187ef12bbc75a6d108ea4eaa3cbbaf6c58106f..2a592b9064d88368547216404cc759cb9da21b8b 100644 (file)
--- a/src/libpspp/str.c
+++ b/src/libpspp/str.c
@@ -758,6 +758,14 @@ ss_starts_with (struct substring ss, struct substring prefix)
           && !memcmp (ss.string, prefix.string, prefix.length));
 }
 
+/* Returns true if SS starts with PREFIX in any case, false otherwise. */
+bool
+ss_starts_with_case (struct substring ss, struct substring prefix)
+{
+  return (ss.length >= prefix.length
+          && !memcasecmp (ss.string, prefix.string, prefix.length));
+}
+
 /* Returns true if SS ends with SUFFIX, false otherwise. */
 bool
 ss_ends_with (struct substring ss, struct substring suffix)
@@ -767,6 +775,15 @@ ss_ends_with (struct substring ss, struct substring suffix)
                       suffix.length));
 }
 
+/* Returns true if SS ends with SUFFIX in any case, false otherwise. */
+bool
+ss_ends_with_case (struct substring ss, struct substring suffix)
+{
+  return (ss.length >= suffix.length
+          && !memcasecmp (&ss.string[ss.length - suffix.length], suffix.string,
+                          suffix.length));
+}
+
 /* Returns the number of contiguous bytes at the beginning
    of SS that are in SKIP_SET. */
 size_t