Implement `strbuf_join_argv()` to join arguments
into a strbuf.

Signed-off-by: Paul-Sebastian Ungureanu <ungureanupaulsebast...@gmail.com>
---
 strbuf.c | 13 +++++++++++++
 strbuf.h |  7 +++++++
 2 files changed, 20 insertions(+)

diff --git a/strbuf.c b/strbuf.c
index 64041c3c24..c8a104099a 100644
--- a/strbuf.c
+++ b/strbuf.c
@@ -259,6 +259,19 @@ void strbuf_addbuf(struct strbuf *sb, const struct strbuf 
*sb2)
        strbuf_setlen(sb, sb->len + sb2->len);
 }
 
+void strbuf_join_argv(struct strbuf *buf,
+                     int argc, const char **argv, char delim)
+{
+       if (!argc)
+               return;
+
+       strbuf_addstr(buf, *argv);
+       while (--argc) {
+               strbuf_addch(buf, delim);
+               strbuf_addstr(buf, *(++argv));
+       }
+}
+
 void strbuf_addchars(struct strbuf *sb, int c, size_t n)
 {
        strbuf_grow(sb, n);
diff --git a/strbuf.h b/strbuf.h
index 60a35aef16..4ec912f4b7 100644
--- a/strbuf.h
+++ b/strbuf.h
@@ -284,6 +284,13 @@ static inline void strbuf_addstr(struct strbuf *sb, const 
char *s)
  */
 extern void strbuf_addbuf(struct strbuf *sb, const struct strbuf *sb2);
 
+/**
+ * Join the arguments into a buffer. `delim` is put between every
+ * two arguments.
+ */
+extern void 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
-- 
2.19.0.rc0.23.g10a62394e7

Reply via email to