hdd_menu: only offer filesystems with kernel support

Origin commit data
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Branch: ni/coolstream
Commit: 141872565e
Author: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: 2015-02-08 (Sun, 08 Feb 2015)


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No further description and justification available within origin commit message!

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This commit was generated by Migit
This commit is contained in:
Stefan Seyfried
2015-02-08 12:27:03 +01:00
committed by Jacek Jendrzej
parent 66dd6f7155
commit bb5fbb9954
2 changed files with 30 additions and 0 deletions

View File

@@ -215,9 +215,36 @@ std::string CHDDMenuHandler::getFmtType(std::string name, std::string part)
return ret;
}
void CHDDMenuHandler::check_kernel_fs()
{
char line[128]; /* /proc/filesystems lines are shorter */
kernel_fs_list.clear();
FILE *f = fopen("/proc/filesystems", "r");
if (! f) {
fprintf(stderr, "CHDDMenuHandler::%s: opening /proc/filesystems failed: %m\n", __func__);
return;
}
while (fgets(line, sizeof(line), f)) {
size_t l = strlen(line);
if (l > 0)
line[l - 1] = 0; /* remove \n */
char *tab = strchr(line, '\t');
if (! tab) /* should not happen in any kernel I have seen */
continue;
tab++;
kernel_fs_list.insert(string(tab));
}
fclose(f);
}
void CHDDMenuHandler::check_dev_tools()
{
for (unsigned i = 0; i < FS_MAX; i++) {
if (kernel_fs_list.find(devtools[i].fmt) == kernel_fs_list.end()) {
printf("%s: filesystem '%s' not supported by kernel\n",
__func__, devtools[i].fmt.c_str());
continue;
}
if (!access(devtools[i].fsck.c_str(), X_OK))
devtools[i].fsck_supported = true;
if (!access(devtools[i].mkfs.c_str(), X_OK))
@@ -682,6 +709,7 @@ int CHDDMenuHandler::doMenu()
show_menu = false;
in_menu = true;
check_kernel_fs();
check_dev_tools();
_show_menu:

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@@ -64,6 +64,7 @@ class CHDDMenuHandler : public CMenuTarget
bool mounted;
};
std::vector<hdd_s> hdd_list;
std::set<std::string> kernel_fs_list;
struct cmp_hdd_by_name: public binary_function <const struct hdd_s, const struct hdd_s, bool>
{
bool operator() (const struct hdd_s c1, const struct hdd_s c2)
@@ -84,6 +85,7 @@ class CHDDMenuHandler : public CMenuTarget
bool add_dev(std::string dev, std::string part);
bool waitfordev(std::string dev, int maxwait);
void check_dev_tools();
void check_kernel_fs();
devtool_s * get_dev_tool(std::string fmt);
int showDeviceMenu(std::string dev);