/*
* Persist the slotmem in a file
* slotmem name and file name.
* none : no persistent data
* rel_name : $server_root/rel_name
* /abs_name : $abs_name
*
*/
static int slotmem_filenames(apr_pool_t *pool,
const char *slotname,
const char **filename,
const char **persistname)
{
const char *fname = NULL, *pname = NULL;
if (slotname && *slotname && strcasecmp(slotname, "none") != 0) {
if (slotname[0] != '/') {
#if !SLOTMEM_UNLINK_SEMANTIC
/* Each generation needs its own file name. */
int generation = 0;
ap_mpm_query(AP_MPMQ_GENERATION, &generation);
fname = apr_psprintf(pool, "%s%s_%x%s", DEFAULT_SLOTMEM_PREFIX,
slotname, generation, DEFAULT_SLOTMEM_SUFFIX);
#else
/* Reuse the same file name for each generation. */
fname = apr_pstrcat(pool, DEFAULT_SLOTMEM_PREFIX,
slotname, DEFAULT_SLOTMEM_SUFFIX,
NULL);
#endif
fname = ap_runtime_dir_relative(pool, fname);
}
else {
/* Don't mangle the file name if given an absolute path, it's
* up to the caller to provide a unique name when necessary.
*/
fname = slotname;
}
if (persistname) {
/* Persisted file names are immutable... */
#if !SLOTMEM_UNLINK_SEMANTIC
if (slotname[0] != '/') {
pname = apr_pstrcat(pool, DEFAULT_SLOTMEM_PREFIX,
slotname, DEFAULT_SLOTMEM_SUFFIX,
DEFAULT_SLOTMEM_PERSIST_SUFFIX,
NULL);
pname = ap_runtime_dir_relative(pool, pname);
}
else
#endif
pname = apr_pstrcat(pool, fname,
DEFAULT_SLOTMEM_PERSIST_SUFFIX,
NULL);
}
}
*filename = fname;
if (persistname) {
*persistname = pname;
}
return (fname != NULL);
}
static const char *slotmem_filename(apr_pool_t *pool, const char *slotmemname,
int persist)
{
const char *fname;
if (!slotmemname || strcasecmp(slotmemname, "none") == 0) {
return NULL;
}
else if (slotmemname[0] != '/') {
const char *filenm = apr_pstrcat(pool, DEFAULT_SLOTMEM_PREFIX,
slotmemname, DEFAULT_SLOTMEM_SUFFIX,
NULL);
fname = ap_runtime_dir_relative(pool, filenm);
}
else {
fname = slotmemname;
}
if (persist) {
return apr_pstrcat(pool, fname, DEFAULT_SLOTMEM_PERSIST_SUFFIX,
NULL);
}
return fname;
}
