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authorDenis Vlasenko2009-03-29 02:22:19 +0000
committerDenis Vlasenko2009-03-29 02:22:19 +0000
commit5a6617acb81020a3becd91bd21f427157d7c9dcd (patch)
tree476c2a0e3092c891e36bd87daac88544917f9ff8 /procps
parentb975febeea845d3731bbed46f8936f352ffc3be6 (diff)
downloadbusybox-5a6617acb81020a3becd91bd21f427157d7c9dcd.zip
busybox-5a6617acb81020a3becd91bd21f427157d7c9dcd.tar.gz
sysctl: fix broken -p [file] - close bug 231
Diffstat (limited to 'procps')
-rw-r--r--procps/sysctl.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/procps/sysctl.c b/procps/sysctl.c
index 862cd17..dce264d 100644
--- a/procps/sysctl.c
+++ b/procps/sysctl.c
@@ -76,12 +76,15 @@ static int sysctl_handle_preload_file(const char *filename)
xchdir("/proc/sys");
/* xchroot(".") - if you are paranoid */
-// TODO: ';' is comment char too
+//TODO: ';' is comment char too
+//TODO: comment may be only at line start. "var=1 #abc" - "1 #abc" is the value
+// (but _whitespace_ from ends should be trimmed first (and we do it right))
+//TODO: "var==1" is mishandled (must use "=1" as a value, but uses "1")
while (config_read(parser, token, 2, 2, "# \t=", PARSE_NORMAL)) {
+ sysctl_dots_to_slashes(token[0]);
/* Save ~4 bytes by using parser internals */
/* parser->line is big enough for sprintf */
sprintf(parser->line, "%s=%s", token[0], token[1]);
- sysctl_dots_to_slashes(parser->line);
sysctl_display_all(parser->line);
}
if (ENABLE_FEATURE_CLEAN_UP)
@@ -119,6 +122,8 @@ static int sysctl_act_on_setting(char *setting)
goto end;
}
*cptr = '\0';
+ outname[cptr - setting] = '\0';
+ /* procps 3.2.7 actually uses these flags */
fd = open(setting, O_WRONLY|O_CREAT|O_TRUNC, 0666);
} else {
fd = open(setting, O_RDONLY);
@@ -142,6 +147,7 @@ static int sysctl_act_on_setting(char *setting)
}
if (option_mask32 & FLAG_WRITE) {
+//TODO: procps 3.2.7 writes "value\n", note trailing "\n"
xwrite_str(fd, value);
close(fd);
if (option_mask32 & FLAG_SHOW_KEYS)
@@ -194,8 +200,7 @@ static int sysctl_display_all(const char *path)
if (dirp == NULL)
return -1;
while ((entry = readdir(dirp)) != NULL) {
- next = concat_subpath_file(
- path, entry->d_name);
+ next = concat_subpath_file(path, entry->d_name);
if (next == NULL)
continue; /* d_name is "." or ".." */
/* if path was ".", drop "./" prefix: */