diff options
Diffstat (limited to 'libdde_linux26')
-rw-r--r-- | libdde_linux26/lib/src/arch/l4/param.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/libdde_linux26/lib/src/arch/l4/param.c b/libdde_linux26/lib/src/arch/l4/param.c index 5bd83f32..c459428a 100644 --- a/libdde_linux26/lib/src/arch/l4/param.c +++ b/libdde_linux26/lib/src/arch/l4/param.c @@ -26,6 +26,69 @@ STANDARD_PARAM_DEF(uint, unsigned int, "%u", unsigned long, simple_strtoul); STANDARD_PARAM_DEF(long, long, "%li", long, simple_strtol); STANDARD_PARAM_DEF(ulong, unsigned long, "%lu", unsigned long, simple_strtoul); +int param_set_charp(const char *val, struct kernel_param *kp) +{ + if (!val) { + printk(KERN_ERR "%s: string parameter expected\n", + kp->name); + return -EINVAL; + } + + if (strlen(val) > 1024) { + printk(KERN_ERR "%s: string parameter too long\n", + kp->name); + return -ENOSPC; + } + + *(char **)kp->arg = (char *)val; + return 0; +} + +int param_get_charp(char *buffer, struct kernel_param *kp) +{ + return sprintf(buffer, "%s", *((char **)kp->arg)); +} + +int param_set_bool(const char *val, struct kernel_param *kp) +{ + /* No equals means "set"... */ + if (!val) val = "1"; + + /* One of =[yYnN01] */ + switch (val[0]) { + case 'y': case 'Y': case '1': + *(int *)kp->arg = 1; + return 0; + case 'n': case 'N': case '0': + *(int *)kp->arg = 0; + return 0; + } + return -EINVAL; +} + +int param_get_bool(char *buffer, struct kernel_param *kp) +{ + /* Y and N chosen as being relatively non-coder friendly */ + return sprintf(buffer, "%c", (*(int *)kp->arg) ? 'Y' : 'N'); +} + +int param_set_invbool(const char *val, struct kernel_param *kp) +{ + int boolval, ret; + struct kernel_param dummy; + + dummy.arg = &boolval; + ret = param_set_bool(val, &dummy); + if (ret == 0) + *(int *)kp->arg = !boolval; + return ret; +} + +int param_get_invbool(char *buffer, struct kernel_param *kp) +{ + return sprintf(buffer, "%c", (*(int *)kp->arg) ? 'N' : 'Y'); +} + int printk_ratelimit(void) { return 0; |