1 files changed, 38 insertions, 0 deletions
diff --git a/bstr.c b/bstr.c
index bb407a10d8..036cf69d42 100644
--- a/bstr.c
+++ b/bstr.c
@@ -195,6 +195,16 @@ struct bstr bstr_getline(struct bstr str, struct bstr *rest)
     return bstr_splice(str, 0, pos + 1);
 }
 
+struct bstr bstr_strip_linebreaks(struct bstr str)
+{
+    if (bstr_endswith0(str, "\r\n")) {
+        str = bstr_splice(str, 0, str.len - 2);
+    } else if (bstr_endswith0(str, "\n")) {
+        str = bstr_splice(str, 0, str.len - 1);
+    }
+    return str;
+}
+
 bool bstr_eatstart(struct bstr *s, struct bstr prefix)
 {
     if (!bstr_startswith(*s, prefix))
@@ -251,3 +261,31 @@ int bstr_decode_utf8(struct bstr s, struct bstr *out_next)
         *out_next = s;
     return codepoint;
 }
+
+bool bstr_case_startswith(struct bstr s, struct bstr prefix)
+{
+    struct bstr start = bstr_splice(s, 0, prefix.len);
+    return start.len == prefix.len && bstrcasecmp(start, prefix) == 0;
+}
+
+bool bstr_case_endswith(struct bstr s, struct bstr suffix)
+{
+    struct bstr end = bstr_cut(s, -suffix.len);
+    return end.len == suffix.len && bstrcasecmp(end, suffix) == 0;
+}
+
+struct bstr bstr_strip_ext(struct bstr str)
+{
+    int dotpos = bstrrchr(str, '.');
+    if (dotpos < 0)
+        return str;
+    return (struct bstr){str.start, dotpos};
+}
+
+struct bstr bstr_get_ext(struct bstr s)
+{
+    int dotpos = bstrrchr(s, '.');
+    if (dotpos < 0)
+        return (struct bstr){NULL, 0};
+    return bstr_splice(s, dotpos + 1, s.len);
+}