/*=export_func optionLoadOpt
* private:
*
* what: Load an option rc/ini file
* arg: + tOptions* + opts + program options descriptor +
* arg: + tOptDesc* + odesc + the descriptor for this arg +
*
* doc:
* Processes the options found in the file named with
* odesc->optArg.argString.
=*/
void
optionLoadOpt(tOptions * opts, tOptDesc * odesc)
{
struct stat sb;
if (opts <= OPTPROC_EMIT_LIMIT)
return;
/*
* IF the option is not being disabled, THEN load the file. There must
* be a file. (If it is being disabled, then the disablement processing
* already took place. It must be done to suppress preloading of ini/rc
* files.)
*/
if ( DISABLED_OPT(odesc)
|| ((odesc->fOptState & OPTST_RESET) != 0))
return;
if (stat(odesc->optArg.argString, &sb) != 0) {
if ((opts->fOptSet & OPTPROC_ERRSTOP) == 0)
return;
fserr_exit(opts->pzProgName, "stat", odesc->optArg.argString);
/* NOT REACHED */
}
if (! S_ISREG(sb.st_mode)) {
if ((opts->fOptSet & OPTPROC_ERRSTOP) == 0)
return;
errno = EINVAL;
fserr_exit(opts->pzProgName, "stat", odesc->optArg.argString);
/* NOT REACHED */
}
file_preset(opts, odesc->optArg.argString, DIRECTION_CALLED);
}
/*=export_func optionLoadOpt
* private:
*
* what: Load an option rc/ini file
* arg: + tOptions* + pOpts + program options descriptor +
* arg: + tOptDesc* + pOptDesc + the descriptor for this arg +
*
* doc:
* Processes the options found in the file named with
* pOptDesc->optArg.argString.
=*/
void
optionLoadOpt(tOptions* pOpts, tOptDesc* pOptDesc)
{
struct stat sb;
/*
* IF the option is not being disabled, THEN load the file. There must
* be a file. (If it is being disabled, then the disablement processing
* already took place. It must be done to suppress preloading of ini/rc
* files.)
*/
if ( DISABLED_OPT(pOptDesc)
|| ((pOptDesc->fOptState & OPTST_RESET) != 0))
return;
if (stat(pOptDesc->optArg.argString, &sb) != 0) {
if ((pOpts->fOptSet & OPTPROC_ERRSTOP) == 0)
return;
fprintf(stderr, zFSErrOptLoad, errno, strerror(errno),
pOptDesc->optArg.argString);
exit(EX_NOINPUT);
/* NOT REACHED */
}
if (! S_ISREG(sb.st_mode)) {
if ((pOpts->fOptSet & OPTPROC_ERRSTOP) == 0)
return;
fprintf(stderr, zNotFile, pOptDesc->optArg.argString);
exit(EX_NOINPUT);
/* NOT REACHED */
}
file_preset(pOpts, pOptDesc->optArg.argString, DIRECTION_CALLED);
}
/**
* Load a configuration file. This may be invoked either from
* scanning the "homerc" list, or from a specific file request.
* (see "optionFileLoad()", the implementation for --load-opts)
*/
LOCAL void
intern_file_load(tOptions * opts)
{
uint32_t svfl;
int idx;
int inc;
char f_name[ AG_PATH_MAX+1 ];
if (opts->papzHomeList == NULL)
return;
svfl = opts->fOptSet;
inc = DIRECTION_PRESET;
/*
* Never stop on errors in config files.
*/
opts->fOptSet &= ~OPTPROC_ERRSTOP;
/*
* Find the last RC entry (highest priority entry)
*/
for (idx = 0; opts->papzHomeList[ idx+1 ] != NULL; ++idx) ;
/*
* For every path in the home list, ... *TWICE* We start at the last
* (highest priority) entry, work our way down to the lowest priority,
* handling the immediate options.
* Then we go back up, doing the normal options.
*/
for (;;) {
struct stat sb;
cch_t * path;
/*
* IF we've reached the bottom end, change direction
*/
if (idx < 0) {
inc = DIRECTION_PROCESS;
idx = 0;
}
path = opts->papzHomeList[ idx ];
/*
* IF we've reached the top end, bail out
*/
if (path == NULL)
break;
idx += inc;
if (! optionMakePath(f_name, (int)sizeof(f_name),
path, opts->pzProgPath))
continue;
/*
* IF the file name we constructed is a directory,
* THEN append the Resource Configuration file name
* ELSE we must have the complete file name
*/
if (stat(f_name, &sb) != 0)
continue; /* bogus name - skip the home list entry */
if (S_ISDIR(sb.st_mode)) {
size_t len = strlen(f_name);
size_t nln = strlen(opts->pzRcName) + 1;
char * pz = f_name + len;
if (len + 1 + nln >= sizeof(f_name))
continue;
if (pz[-1] != DIRCH)
*(pz++) = DIRCH;
memcpy(pz, opts->pzRcName, nln);
}
file_preset(opts, f_name, inc);
/*
* IF we are now to skip config files AND we are presetting,
* THEN change direction. We must go the other way.
*/
{
tOptDesc * od = opts->pOptDesc + opts->specOptIdx.save_opts + 1;
if (DISABLED_OPT(od) && PRESETTING(inc)) {
idx -= inc; /* go back and reprocess current file */
inc = DIRECTION_PROCESS;
}
}
} /* twice for every path in the home list, ... */
opts->fOptSet = svfl;
}
