From: Qu Wenruo <quwenruo@cn.fujitsu.com>
To: linux-btrfs@vger.kernel.org, dsterba@suse.cz
Subject: [PATCH v3 1/4] btrfs-progs: utils: Introduce function to escape characters
Date: Tue, 1 Nov 2016 16:01:43 +0800 [thread overview]
Message-ID: <20161101080147.13163-2-quwenruo@cn.fujitsu.com> (raw)
In-Reply-To: <20161101080147.13163-1-quwenruo@cn.fujitsu.com>
Introduce new function, escape_string_inplace(), to escape specified
characters in place.
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
---
utils.c | 17 +++++++++++++++++
utils.h | 2 ++
2 files changed, 19 insertions(+)
diff --git a/utils.c b/utils.c
index 3f54245..69faae1 100644
--- a/utils.c
+++ b/utils.c
@@ -4251,3 +4251,20 @@ unsigned int rand_range(unsigned int upper)
*/
return (unsigned int)(jrand48(rand_seed) % upper);
}
+
+void string_escape_inplace(char *restrict string, char *restrict escape_chars)
+{
+ int i, j;
+
+ for (i = 0; i < strlen(escape_chars); i++) {
+ j = 0;
+ while (j < strlen(string)) {
+ if (string[j] == escape_chars[i]) {
+ memmove(string + j, string + j + 1,
+ strlen(string) -j);
+ continue;
+ }
+ j++;
+ }
+ }
+}
diff --git a/utils.h b/utils.h
index 1a2dbcd..b36d411 100644
--- a/utils.h
+++ b/utils.h
@@ -457,4 +457,6 @@ unsigned int rand_range(unsigned int upper);
/* Also allow setting the seed manually */
void init_rand_seed(u64 seed);
+void string_escape_inplace(char *restrict string, char *restrict escape_chars);
+
#endif
--
2.10.1
next prev parent reply other threads:[~2016-11-01 8:02 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-01 8:01 [PATCH v3 0/4] Introduce dump option for btrfs-receive Qu Wenruo
2016-11-01 8:01 ` Qu Wenruo [this message]
2016-11-01 10:08 ` [PATCH v3 1/4] btrfs-progs: utils: Introduce function to escape characters David Sterba
2016-11-02 1:19 ` Qu Wenruo
2016-11-02 10:55 ` David Sterba
2016-11-03 0:24 ` Qu Wenruo
2016-11-03 1:14 ` Qu Wenruo
2016-11-01 8:01 ` [PATCH v3 2/4] btrfs-progs: introduce new send-dump object Qu Wenruo
2016-11-01 10:22 ` David Sterba
2016-11-02 0:37 ` Qu Wenruo
2016-11-02 10:52 ` David Sterba
2016-11-03 0:21 ` Qu Wenruo
2016-11-01 8:01 ` [PATCH v3 3/4] btrfs-progs: receive: introduce option to dump send stream Qu Wenruo
2016-11-01 8:01 ` [PATCH v3 4/4] btrfs-progs: remove send-test tool Qu Wenruo
2016-11-02 14:59 ` David Sterba
2016-11-01 8:01 ` [PATCH 5/5] btrfs-progs: misc-test: Add send stream dump test Qu Wenruo
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