/* * Copyright 2012 Red Hat Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: Ben Skeggs
*/ #include <core/option.h> #include <core/debug.h>
constchar *
nvkm_stropt(constchar *optstr, constchar *opt, int *arglen)
{ while (optstr && *optstr != '\0') { int len = strcspn(optstr, ",="); switch (optstr[len]) { case'=': if (!strncasecmpz(optstr, opt, len)) {
optstr += len + 1;
*arglen = strcspn(optstr, ",="); return *arglen ? optstr : NULL;
}
optstr++; break; case',':
optstr++; break; default: break;
}
optstr += len;
}
return NULL;
}
bool
nvkm_boolopt(constchar *optstr, constchar *opt, bool value)
{ int arglen;
optstr = nvkm_stropt(optstr, opt, &arglen); if (optstr) { if (!strncasecmpz(optstr, "0", arglen) ||
!strncasecmpz(optstr, "no", arglen) ||
!strncasecmpz(optstr, "off", arglen) ||
!strncasecmpz(optstr, "false", arglen))
value = false; else if (!strncasecmpz(optstr, "1", arglen) ||
!strncasecmpz(optstr, "yes", arglen) ||
!strncasecmpz(optstr, "on", arglen) ||
!strncasecmpz(optstr, "true", arglen))
value = true;
}
return value;
}
long
nvkm_longopt(constchar *optstr, constchar *opt, long value)
{ long result = value; int arglen; char *s;
optstr = nvkm_stropt(optstr, opt, &arglen); if (optstr && (s = kstrndup(optstr, arglen, GFP_KERNEL))) { int ret = kstrtol(s, 0, &value); if (ret == 0)
result = value;
kfree(s);
}
return result;
}
int
nvkm_dbgopt(constchar *optstr, constchar *sub)
{ int mode = 1, level = CONFIG_NOUVEAU_DEBUG_DEFAULT;
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