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-rw-r--r--strbuf.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/strbuf.c b/strbuf.c
index f6a6cf78b9..78eecd29f7 100644
--- a/strbuf.c
+++ b/strbuf.c
@@ -380,6 +380,27 @@ void strbuf_expand(struct strbuf *sb, const char *format, expand_fn_t fn,
}
}
+size_t strbuf_expand_literal_cb(struct strbuf *sb,
+ const char *placeholder,
+ void *context)
+{
+ int ch;
+
+ switch (placeholder[0]) {
+ case 'n': /* newline */
+ strbuf_addch(sb, '\n');
+ return 1;
+ case 'x':
+ /* %x00 == NUL, %x0a == LF, etc. */
+ ch = hex2chr(placeholder + 1);
+ if (ch < 0)
+ return 0;
+ strbuf_addch(sb, ch);
+ return 3;
+ }
+ return 0;
+}
+
size_t strbuf_expand_dict_cb(struct strbuf *sb, const char *placeholder,
void *context)
{