Implement `strbuf_join_argv()` to join arguments
into a strbuf.
Signed-off-by: Paul-Sebastian Ungureanu <[email protected]>
---
strbuf.c | 15 +++++++++++++++
strbuf.h | 7 +++++++
2 files changed, 22 insertions(+)
diff --git a/strbuf.c b/strbuf.c
index f6a6cf78b9..82e90f1dfe 100644
--- a/strbuf.c
+++ b/strbuf.c
@@ -268,6 +268,21 @@ void strbuf_addbuf(struct strbuf *sb, const struct strbuf
*sb2)
strbuf_setlen(sb, sb->len + sb2->len);
}
+const char *strbuf_join_argv(struct strbuf *buf,
+ int argc, const char **argv, char delim)
+{
+ if (!argc)
+ return buf->buf;
+
+ strbuf_addstr(buf, *argv);
+ while (--argc) {
+ strbuf_addch(buf, delim);
+ strbuf_addstr(buf, *(++argv));
+ }
+
+ return buf->buf;
+}
+
void strbuf_addchars(struct strbuf *sb, int c, size_t n)
{
strbuf_grow(sb, n);
diff --git a/strbuf.h b/strbuf.h
index fc40873b65..be02150df3 100644
--- a/strbuf.h
+++ b/strbuf.h
@@ -288,6 +288,13 @@ static inline void strbuf_addstr(struct strbuf *sb, const
char *s)
*/
void strbuf_addbuf(struct strbuf *sb, const struct strbuf *sb2);
+/**
+ * Join the arguments into a buffer. `delim` is put between every
+ * two arguments.
+ */
+const char *strbuf_join_argv(struct strbuf *buf, int argc,
+ const char **argv, char delim);
+
/**
* This function can be used to expand a format string containing
* placeholders. To that end, it parses the string and calls the specified
--
2.19.1.878.g0482332a22
