/*
* getdaon -
* checks if device_allocate has string DEVICE_ALLOCATION=ON or
* DEVICE_ALLOCATION=OFF string in it.
* returns 1 if the string is DEVICE_ALLOCATION=ON, 0 if it is
* DEVICE_ALLOCATION=OFF, -1 if neither string present.
*/
int
getdaon()
{
int is_on = -1;
char line1[DA_BUFSIZE + 1];
struct _dabuff *_da = _daalloc();
setdaent();
if ((_da == NULL) || (daf == NULL)) {
enddaent();
return (is_on);
}
while (getdadmline(line1, (int)sizeof (line1), daf) != 0) {
if (strncmp(line1, DA_ON_STR, (strlen(DA_ON_STR) - 1)) == 0) {
is_on = 1;
break;
} else if (strncmp(line1, DA_OFF_STR,
(strlen(DA_OFF_STR) - 1)) == 0) {
is_on = 0;
break;
}
}
enddaent();
return (is_on);
}
/*
* getdadefent -
* When first called, returns a pointer to the first da_defs_t
* structure in devalloc_defaults; thereafter, it returns a pointer to the
* next da_defs_t structure in the file. Thus, successive calls can be
* used to search the entire file.
* call to getdadefent should be bracketed by setdadefent and enddadefent.
* returns NULL on error.
*/
da_defs_t *
getdadefent(void)
{
char line1[DA_BUFSIZE + 1];
da_defs_t *da_def;
struct _dadefbuff *_df = _dadefalloc();
if ((_df == 0) || (dadeff == NULL))
return (NULL);
while (getdadmline(line1, (int)sizeof (line1), dadeff) != 0) {
if ((da_def = dadef_interpret(line1)) == NULL)
continue;
return (da_def);
}
return (NULL);
}
/*
* getdaent -
* When first called, returns a pointer to the first devalloc_t
* structure in device_allocate; thereafter, it returns a pointer to the
* next devalloc_t structure in the file. Thus, successive calls can be
* used to search the entire file.
* call to getdaent should be bracketed by setdaent and enddaent.
* returns NULL on error.
*/
devalloc_t *
getdaent(void)
{
char line1[DA_BUFSIZE + 1];
devalloc_t *da;
struct _dabuff *_da = _daalloc();
if ((_da == 0) || (daf == NULL))
return (NULL);
while (getdadmline(line1, (int)sizeof (line1), daf) != 0) {
if ((strncmp(line1, DA_ON_STR, (strlen(DA_ON_STR) - 1)) == 0) ||
(strncmp(line1, DA_OFF_STR, (strlen(DA_OFF_STR) - 1)) == 0))
continue;
if ((da = da_interpret(line1)) == NULL)
continue;
return (da);
}
return (NULL);
}
/*
* getdadeftype -
* searches from the beginning of devalloc_defaults for the device
* specified by its type.
* call to getdadeftype should be bracketed by setdadefent and enddadefent.
* returns pointer to da_defs_t for the device if it is found, else
* returns NULL if device not found or in case of error.
*/
da_defs_t *
getdadeftype(char *type)
{
char line1[DA_BUFSIZE + 1];
da_defs_t *da_def;
struct _dadefbuff *_df = _dadefalloc();
if ((type == NULL) || (_df == NULL) || (dadeff == NULL))
return (NULL);
while (getdadmline(line1, (int)sizeof (line1), dadeff) != 0) {
if (strstr(line1, type) == NULL)
continue;
if ((da_def = dadef_interpret(line1)) == NULL)
continue;
if (dadef_matchtype(da_def, type))
return (da_def);
freedadefent(da_def);
}
return (NULL);
}
/*
* getdatype -
* searches from the beginning of device_allocate for the device specified
* by its type.
* call to getdatype should be bracketed by setdaent and enddaent.
* returns pointer to devalloc_t for the device if it is found, else
* returns NULL if device not found or in case of error.
*/
devalloc_t *
getdatype(char *type)
{
char line1[DA_BUFSIZE + 1];
devalloc_t *da;
struct _dabuff *_da = _daalloc();
if ((type == NULL) || (_da == NULL) || (daf == NULL))
return (NULL);
while (getdadmline(line1, (int)sizeof (line1), daf) != 0) {
if (strstr(line1, type) == NULL)
continue;
if ((da = da_interpret(line1)) == NULL)
continue;
if (da_matchtype(da, type))
return (da);
freedaent(da);
}
return (NULL);
}
/*
* getdanam
* searches from the beginning of device_allocate for the device specified
* by its name.
* call to getdanam should be bracketed by setdaent and enddaent.
* returns pointer to devalloc_t for the device if it is found, else
* returns NULL if device not found or in case of error.
*/
devalloc_t *
getdanam(char *name)
{
char line[DA_BUFSIZE + 1];
devalloc_t *da;
struct _dabuff *_da = _daalloc();
if ((name == NULL) || (_da == 0) || (daf == NULL))
return (NULL);
while (getdadmline(line, (int)sizeof (line), daf) != 0) {
if (strstr(line, name) == NULL)
continue;
if ((da = da_interpret(line)) == NULL)
continue;
if (da_matchname(da, name)) {
enddaent();
return (da);
}
freedaent(da);
}
return (NULL);
}
