1 2/* 3 * $Id: 52d772d69bed7f2911d88ff17b9a44308d6ca0b1 $ 4 * Time-stamp: "2009-07-23 17:25:39 bkorb" 5 * 6 * This file is part of AutoOpts, a companion to AutoGen. 7 * AutoOpts is free software. 8 * AutoOpts is copyright (c) 1992-2009 by Bruce Korb - all rights reserved 9 * 10 * AutoOpts is available under any one of two licenses. The license 11 * in use must be one of these two and the choice is under the control 12 * of the user of the license. 13 * 14 * The GNU Lesser General Public License, version 3 or later 15 * See the files "COPYING.lgplv3" and "COPYING.gplv3" 16 * 17 * The Modified Berkeley Software Distribution License 18 * See the file "COPYING.mbsd" 19 * 20 * These files have the following md5sums: 21 * 22 * 43b91e8ca915626ed3818ffb1b71248b pkg/libopts/COPYING.gplv3 23 * 06a1a2e4760c90ea5e1dad8dfaac4d39 pkg/libopts/COPYING.lgplv3 24 * 66a5cedaf62c4b2637025f049f9b826f pkg/libopts/COPYING.mbsd 25 */ 26 27/*=export_func optionShowRange 28 * private: 29 * 30 * what: 31 * arg: + tOptions* + pOpts + program options descriptor + 32 * arg: + tOptDesc* + pOptDesc + the descriptor for this arg + 33 * arg: + void * + rng_table + the value range tables + 34 * arg: + int + rng_count + the number of entries + 35 * 36 * doc: 37 * Show information about a numeric option with range constraints. 38=*/ 39void 40optionShowRange(tOptions* pOpts, tOptDesc* pOD, void * rng_table, int rng_ct) 41{ 42 static char const bullet[] = "\t\t\t\t- "; 43 static char const deepin[] = "\t\t\t\t "; 44 static char const onetab[] = "\t"; 45 46 const struct {long const rmin, rmax;} * rng = rng_table; 47 48 char const * pz_indent = 49 (pOpts != OPTPROC_EMIT_USAGE) ? onetab : bullet; 50 51 if ((pOpts == OPTPROC_EMIT_USAGE) || (pOpts > OPTPROC_EMIT_LIMIT)) { 52 char const * lie_in_range = zRangeLie; 53 54 if (pOpts > OPTPROC_EMIT_LIMIT) { 55 fprintf(option_usage_fp, zRangeErr, 56 pOpts->pzProgName, pOD->pz_Name, pOD->optArg.argString); 57 fprintf(option_usage_fp, "The %s option:\n", pOD->pz_Name); 58 lie_in_range = zRangeBadLie; 59 pz_indent = ""; 60 } 61 62 if (pOD->fOptState & OPTST_SCALED_NUM) 63 fprintf(option_usage_fp, zRangeScaled, pz_indent); 64 65 if (rng_ct > 1) { 66 fprintf(option_usage_fp, lie_in_range, pz_indent); 67 pz_indent = 68 (pOpts != OPTPROC_EMIT_USAGE) ? onetab : deepin; 69 70 } else { 71 fprintf(option_usage_fp, zRangeOnly, pz_indent); 72 pz_indent = onetab + 1; /* empty string */ 73 } 74 75 for (;;) { 76 if (rng->rmax == LONG_MIN) 77 fprintf(option_usage_fp, zRangeExact, pz_indent, rng->rmin); 78 else if (rng->rmin == LONG_MIN) 79 fprintf(option_usage_fp, zRangeUpto, pz_indent, rng->rmax); 80 else if (rng->rmax == LONG_MAX) 81 fprintf(option_usage_fp, zRangeAbove, pz_indent, rng->rmin); 82 else 83 fprintf(option_usage_fp, zRange, pz_indent, rng->rmin, 84 rng->rmax); 85 86 if (--rng_ct <= 0) { 87 fputc('\n', option_usage_fp); 88 break; 89 } 90 fputs(zRangeOr, option_usage_fp); 91 rng++; 92 pz_indent = 93 (pOpts != OPTPROC_EMIT_USAGE) ? onetab : deepin; 94 } 95 96 if (pOpts > OPTPROC_EMIT_LIMIT) 97 pOpts->pUsageProc(pOpts, EXIT_FAILURE); 98 } 99} 100 101 102/*=export_func optionNumericVal 103 * private: 104 * 105 * what: process an option with a numeric value. 106 * arg: + tOptions* + pOpts + program options descriptor + 107 * arg: + tOptDesc* + pOptDesc + the descriptor for this arg + 108 * 109 * doc: 110 * Decipher a numeric value. 111=*/ 112void 113optionNumericVal(tOptions* pOpts, tOptDesc* pOD ) 114{ 115 char* pz; 116 long val; 117 118 /* 119 * Numeric options may have a range associated with it. 120 * If it does, the usage procedure requests that it be 121 * emitted by passing a NULL pOD pointer. Also bail out 122 * if there is no option argument or if we are being reset. 123 */ 124 if ( (pOD == NULL) 125 || (pOD->optArg.argString == NULL) 126 || ((pOD->fOptState & OPTST_RESET) != 0)) 127 return; 128 129 errno = 0; 130 val = strtol(pOD->optArg.argString, &pz, 0); 131 if ((pz == pOD->optArg.argString) || (errno != 0)) 132 goto bad_number; 133 134 if ((pOD->fOptState & OPTST_SCALED_NUM) != 0) 135 switch (*(pz++)) { 136 case '\0': pz--; break; 137 case 't': val *= 1000; 138 case 'g': val *= 1000; 139 case 'm': val *= 1000; 140 case 'k': val *= 1000; break; 141 142 case 'T': val *= 1024; 143 case 'G': val *= 1024; 144 case 'M': val *= 1024; 145 case 'K': val *= 1024; break; 146 147 default: goto bad_number; 148 } 149 150 if (*pz != NUL) 151 goto bad_number; 152 153 if (pOD->fOptState & OPTST_ALLOC_ARG) { 154 AGFREE(pOD->optArg.argString); 155 pOD->fOptState &= ~OPTST_ALLOC_ARG; 156 } 157 158 pOD->optArg.argInt = val; 159 return; 160 161 bad_number: 162 163 fprintf( stderr, zNotNumber, pOpts->pzProgName, pOD->optArg.argString ); 164 if ((pOpts->fOptSet & OPTPROC_ERRSTOP) != 0) 165 (*(pOpts->pUsageProc))(pOpts, EXIT_FAILURE); 166 167 pOD->optArg.argInt = ~0; 168} 169 170/* 171 * Local Variables: 172 * mode: C 173 * c-file-style: "stroustrup" 174 * indent-tabs-mode: nil 175 * End: 176 * end of autoopts/numeric.c */ 177