You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
70 lines
2.1 KiB
70 lines
2.1 KiB
2 years ago
|
From 23ef6c470418b50119dc0bf13b681bfeae820352 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Yu Watanabe <watanabe.yu+github@gmail.com>
|
||
|
|
Date: Tue, 11 Sep 2018 13:22:31 +0900
|
||
|
|
Subject: [PATCH] strv: introduce strv_join_prefix()
|
||
|
|
|
||
|
|
(cherry picked from commit 2b9a7d2e96f5f852cdf8cc704930ea2ee456f6a1)
|
||
|
|
|
||
|
|
Related: #2049788
|
||
|
|
---
|
||
|
|
src/basic/strv.c | 10 +++++++---
|
||
|
|
src/basic/strv.h | 5 ++++-
|
||
|
|
2 files changed, 11 insertions(+), 4 deletions(-)
|
||
|
|
|
||
|
|
diff --git a/src/basic/strv.c b/src/basic/strv.c
|
||
|
|
index b3716233b5..f1605e4fbb 100644
|
||
|
|
--- a/src/basic/strv.c
|
||
|
|
+++ b/src/basic/strv.c
|
||
|
|
@@ -335,21 +335,22 @@ int strv_split_extract(char ***t, const char *s, const char *separators, Extract
|
||
|
|
return (int) n;
|
||
|
|
}
|
||
|
|
|
||
|
|
-char *strv_join(char **l, const char *separator) {
|
||
|
|
+char *strv_join_prefix(char **l, const char *separator, const char *prefix) {
|
||
|
|
char *r, *e;
|
||
|
|
char **s;
|
||
|
|
- size_t n, k;
|
||
|
|
+ size_t n, k, m;
|
||
|
|
|
||
|
|
if (!separator)
|
||
|
|
separator = " ";
|
||
|
|
|
||
|
|
k = strlen(separator);
|
||
|
|
+ m = strlen_ptr(prefix);
|
||
|
|
|
||
|
|
n = 0;
|
||
|
|
STRV_FOREACH(s, l) {
|
||
|
|
if (s != l)
|
||
|
|
n += k;
|
||
|
|
- n += strlen(*s);
|
||
|
|
+ n += m + strlen(*s);
|
||
|
|
}
|
||
|
|
|
||
|
|
r = new(char, n+1);
|
||
|
|
@@ -361,6 +362,9 @@ char *strv_join(char **l, const char *separator) {
|
||
|
|
if (s != l)
|
||
|
|
e = stpcpy(e, separator);
|
||
|
|
|
||
|
|
+ if (prefix)
|
||
|
|
+ e = stpcpy(e, prefix);
|
||
|
|
+
|
||
|
|
e = stpcpy(e, *s);
|
||
|
|
}
|
||
|
|
|
||
|
|
diff --git a/src/basic/strv.h b/src/basic/strv.h
|
||
|
|
index a09d76706d..9285bc2642 100644
|
||
|
|
--- a/src/basic/strv.h
|
||
|
|
+++ b/src/basic/strv.h
|
||
|
|
@@ -71,7 +71,10 @@ char **strv_split_newlines(const char *s);
|
||
|
|
|
||
|
|
int strv_split_extract(char ***t, const char *s, const char *separators, ExtractFlags flags);
|
||
|
|
|
||
|
|
-char *strv_join(char **l, const char *separator);
|
||
|
|
+char *strv_join_prefix(char **l, const char *separator, const char *prefix);
|
||
|
|
+static inline char *strv_join(char **l, const char *separator) {
|
||
|
|
+ return strv_join_prefix(l, separator, NULL);
|
||
|
|
+}
|
||
|
|
|
||
|
|
char **strv_parse_nulstr(const char *s, size_t l);
|
||
|
|
char **strv_split_nulstr(const char *s);
|