reset.c revision 285612
1218887Sdim 2218887Sdim/** 3218887Sdim * \file reset.c 4218887Sdim * 5218887Sdim * Reset the option state to the compiled state. 6218887Sdim * 7218887Sdim * @addtogroup autoopts 8218887Sdim * @{ 9218887Sdim */ 10218887Sdim/* 11218887Sdim * This file is part of AutoOpts, a companion to AutoGen. 12218887Sdim * AutoOpts is free software. 13218887Sdim * AutoOpts is Copyright (C) 1992-2015 by Bruce Korb - all rights reserved 14218887Sdim * 15218887Sdim * AutoOpts is available under any one of two licenses. The license 16221345Sdim * in use must be one of these two and the choice is under the control 17218887Sdim * of the user of the license. 18218887Sdim * 19218887Sdim * The GNU Lesser General Public License, version 3 or later 20218887Sdim * See the files "COPYING.lgplv3" and "COPYING.gplv3" 21218887Sdim * 22218887Sdim * The Modified Berkeley Software Distribution License 23218887Sdim * See the file "COPYING.mbsd" 24218887Sdim * 25218887Sdim * These files have the following sha256 sums: 26218887Sdim * 27218887Sdim * 8584710e9b04216a394078dc156b781d0b47e1729104d666658aecef8ee32e95 COPYING.gplv3 28218887Sdim * 4379e7444a0e2ce2b12dd6f5a52a27a4d02d39d247901d3285c88cf0d37f477b COPYING.lgplv3 29218887Sdim * 13aa749a5b0a454917a944ed8fffc530b784f5ead522b1aacaf4ec8aa55a6239 COPYING.mbsd 30218887Sdim */ 31218887Sdim 32218887Sdimstatic void 33218887SdimoptionReset(tOptions * pOpts, tOptDesc * pOD) 34218887Sdim{ 35218887Sdim pOD->fOptState &= OPTST_PERSISTENT_MASK; 36218887Sdim pOD->fOptState |= OPTST_RESET; 37218887Sdim if (pOD->pOptProc != NULL) 38218887Sdim pOD->pOptProc(pOpts, pOD); 39218887Sdim pOD->optArg.argString = 40218887Sdim pOpts->originalOptArgArray[ pOD->optIndex ].argString; 41218887Sdim pOD->optCookie = pOpts->originalOptArgCookie[ pOD->optIndex ]; 42218887Sdim pOD->fOptState &= OPTST_PERSISTENT_MASK; 43218887Sdim} 44218887Sdim 45218887Sdim 46218887Sdimstatic void 47218887SdimoptionResetEverything(tOptions * pOpts) 48218887Sdim{ 49218887Sdim tOptDesc * pOD = pOpts->pOptDesc; 50218887Sdim int ct = pOpts->presetOptCt; 51218887Sdim 52218887Sdim for (;;) { 53226633Sdim optionReset(pOpts, pOD); 54218887Sdim 55218887Sdim if (--ct <= 0) 56218887Sdim break; 57218887Sdim pOD++; 58218887Sdim } 59218887Sdim} 60218887Sdim 61218887Sdim 62218887Sdim/*=export_func optionResetOpt 63218887Sdim * private: 64218887Sdim * 65218887Sdim * what: Reset the value of an option 66218887Sdim * arg: + tOptions * + pOpts + program options descriptor + 67218887Sdim * arg: + tOptDesc * + pOptDesc + the descriptor for this arg + 68218887Sdim * 69218887Sdim * doc: 70218887Sdim * This code will cause another option to be reset to its initial state. 71226633Sdim * For example, --reset=foo will cause the --foo option to be reset. 72218887Sdim=*/ 73218887Sdimvoid 74218887SdimoptionResetOpt(tOptions * pOpts, tOptDesc * pOD) 75226633Sdim{ 76218887Sdim static bool reset_active = false; 77226633Sdim 78218887Sdim tOptState opt_state = OPTSTATE_INITIALIZER(DEFINED); 79218887Sdim char const * pzArg = pOD->optArg.argString; 80218887Sdim tSuccess succ; 81218887Sdim 82218887Sdim if (pOpts <= OPTPROC_EMIT_LIMIT) 83218887Sdim return; 84218887Sdim 85226633Sdim if (reset_active) 86226633Sdim return; 87226633Sdim 88218887Sdim if ( (! HAS_originalOptArgArray(pOpts)) 89218887Sdim || (pOpts->originalOptArgCookie == NULL)) 90218887Sdim ao_bug(zno_reset); 91218887Sdim 92226633Sdim if ((pzArg == NULL) || (*pzArg == NUL)) { 93226633Sdim fprintf(stderr, zreset_arg, pOpts->pzProgName, pOD->pz_Name); 94218887Sdim pOpts->pUsageProc(pOpts, EXIT_FAILURE); 95218887Sdim /* NOTREACHED */ 96218887Sdim assert(0 == 1); 97218887Sdim } 98218887Sdim 99218887Sdim reset_active = true; 100218887Sdim 101218887Sdim if (pzArg[1] == NUL) { 102218887Sdim if (*pzArg == '*') { 103218887Sdim optionResetEverything(pOpts); 104218887Sdim reset_active = false; 105218887Sdim return; 106218887Sdim } 107226633Sdim 108226633Sdim succ = opt_find_short(pOpts, (uint8_t)*pzArg, &opt_state); 109226633Sdim if (! SUCCESSFUL(succ)) { 110218887Sdim fprintf(stderr, zIllOptChr, pOpts->pzProgPath, *pzArg); 111218887Sdim pOpts->pUsageProc(pOpts, EXIT_FAILURE); 112218887Sdim /* NOTREACHED */ 113226633Sdim assert(0 == 1); 114218887Sdim } 115218887Sdim } else { 116218887Sdim succ = opt_find_long(pOpts, (char *)pzArg, &opt_state); 117226633Sdim if (! SUCCESSFUL(succ)) { 118226633Sdim fprintf(stderr, zIllOptStr, pOpts->pzProgPath, pzArg); 119218887Sdim pOpts->pUsageProc(pOpts, EXIT_FAILURE); 120218887Sdim /* NOTREACHED */ 121218887Sdim assert(0 == 1); 122218887Sdim } 123218887Sdim } 124218887Sdim 125226633Sdim /* 126218887Sdim * We've found the indicated option. Turn off all non-persistent 127218887Sdim * flags because we're forcing the option back to its initialized state. 128218887Sdim * Call any callout procedure to handle whatever it needs to. 129218887Sdim * Finally, clear the reset flag, too. 130218887Sdim */ 131218887Sdim optionReset(pOpts, opt_state.pOD); 132218887Sdim reset_active = false; 133218887Sdim} 134218887Sdim/** @} 135226633Sdim * 136218887Sdim * Local Variables: 137218887Sdim * mode: C 138226633Sdim * c-file-style: "stroustrup" 139218887Sdim * indent-tabs-mode: nil 140226633Sdim * End: 141218887Sdim * end of autoopts/reset.c */ 142218887Sdim