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Add support for one-shot conditions, like most hooks

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Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson
2018-01-14 11:24:29 +01:00
parent e1b87d707f
commit cc186334e0
2 changed files with 40 additions and 17 deletions
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src/cond-w.c
+33 -11
View File
@@ -59,9 +59,27 @@ static void cond_bump_reconf(void)
cond_set_gen(COND_RECONF, rgen);
}
int cond_set_path(const char *path, enum cond_state new)
static int cond_checkpath(const char *path)
{
char buf[MAX_ARG_LEN], *dir;
strlcpy(buf, path, sizeof(buf));
dir = dirname(buf);
if (!dir) {
_e("Invalid path '%s' for condition", path);
return 1;
}
if (makepath(dir) && errno != EEXIST) {
_pe("Failed creating dir '%s' for condition '%s'", dir, path);
return 1;
}
return 0;
}
int cond_set_path(const char *path, enum cond_state new)
{
enum cond_state old;
unsigned int rgen;
@@ -77,16 +95,8 @@ int cond_set_path(const char *path, enum cond_state new)
switch (new) {
case COND_ON:
strlcpy(buf, path, sizeof(buf));
dir = dirname(buf);
if (!dir) {
_e("Invalid path '%s' for condition", path);
return 0;
}
if (makepath(dir) && errno != EEXIST) {
_pe("Failed creating dir '%s' for condition '%s'", dir, path);
return 0;
}
if (cond_checkpath(path))
return 0;
cond_set_gen(path, rgen);
break;
@@ -145,6 +155,18 @@ void cond_set(const char *name)
cond_update(name);
}
void cond_set_oneshot(const char *name)
{
const char *path = cond_path(name);
_d("s => %s", name, path);
if (cond_checkpath(path))
return;
symlink(COND_RECONF, path);
cond_update(name);
}
void cond_clear(const char *name)
{
_d("%s", name);
src/cond.h
+7 -6
View File
@@ -21,12 +21,13 @@ enum cond_state cond_get (const char *name);
enum cond_state cond_get_agg (const char *names);
int cond_affects (const char *name, const char *names);
int cond_set_path(const char *path, enum cond_state new);
void cond_set (const char *name);
void cond_clear (const char *name);
void cond_reload (void);
void cond_reassert(const char *pat);
void cond_init (void);
int cond_set_path (const char *path, enum cond_state new);
void cond_set (const char *name);
void cond_set_oneshot (const char *name);
void cond_clear (const char *name);
void cond_reload (void);
void cond_reassert (const char *pat);
void cond_init (void);
#endif /* FINIT_COND_H_ */