Fix parsing of name/value pairs that contain an '='
character in the value string. For example, the io.max
setting utilizes the '=' character:
cgset -r io.max="8:16 wbps=1024" foo
Fixes: https://github.com/libcgroup/libcgroup/issues/33
Signed-off-by: Tom Hromatka <[email protected]>
---
src/tools/cgset.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/src/tools/cgset.c b/src/tools/cgset.c
index 9d4abbca94b7..4e8c1e7e1aa4 100644
--- a/src/tools/cgset.c
+++ b/src/tools/cgset.c
@@ -100,8 +100,13 @@ static int parse_r_flag(const char * const program_name,
strncpy(name_value->name, buf, FILENAME_MAX);
name_value->name[FILENAME_MAX-1] = '\0';
- buf = strtok(NULL, "=");
- if (buf == NULL) {
+ buf = strchr(name_value_str, '=');
+ /* we don't need to check the return value of strchr because we
+ * know there's already an '=' character in the string.
+ */
+ buf++;
+
+ if (strlen(buf) == 0) {
fprintf(stderr, "%s: "
"wrong parameter of option -r: %s\n",
program_name, optarg);
--
2.26.2
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