|
| 1 | +/* This is used by psql under MS Win */ |
| 2 | + |
| 3 | +/* |
| 4 | + * Copyright (c) 1987, 1993, 1994 |
| 5 | + *The Regents of the University of California. All rights reserved. |
| 6 | + * |
| 7 | + * Redistribution and use in source and binary forms, with or without |
| 8 | + * modification, are permitted provided that the following conditions |
| 9 | + * are met: |
| 10 | + * 1. Redistributions of source code must retain the above copyright |
| 11 | + * notice, this list of conditions and the following disclaimer. |
| 12 | + * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | + * notice, this list of conditions and the following disclaimer in the |
| 14 | + * documentation and/or other materials provided with the distribution. |
| 15 | + * 3. All advertising materials mentioning features or use of this software |
| 16 | + * must display the following acknowledgement: |
| 17 | + *This product includes software developed by the University of |
| 18 | + *California, Berkeley and its contributors. |
| 19 | + * 4. Neither the name of the University nor the names of its contributors |
| 20 | + * may be used to endorse or promote products derived from this software |
| 21 | + * without specific prior written permission. |
| 22 | + * |
| 23 | + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 24 | + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 25 | + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 26 | + * ARE DISCLAIMED.IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 27 | + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 28 | + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 29 | + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 30 | + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 31 | + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 32 | + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 33 | + * SUCH DAMAGE. |
| 34 | + */ |
| 35 | + |
| 36 | +#if defined(LIBC_SCCS)&& !defined(lint) |
| 37 | +staticcharsccsid[]="@(#)getopt.c8.3 (Berkeley) 4/27/95"; |
| 38 | +#endif/* LIBC_SCCS and not lint */ |
| 39 | + |
| 40 | +#include<stdio.h> |
| 41 | +#include<stdlib.h> |
| 42 | +#include<string.h> |
| 43 | + |
| 44 | +intopterr=1,/* if error message should be printed */ |
| 45 | +optind=1,/* index into parent argv vector */ |
| 46 | +optopt,/* character checked for validity */ |
| 47 | +optreset;/* reset getopt */ |
| 48 | +char*optarg;/* argument associated with option */ |
| 49 | + |
| 50 | +#defineBADCH(int)'?' |
| 51 | +#defineBADARG(int)':' |
| 52 | +#defineEMSG"" |
| 53 | + |
| 54 | +/* |
| 55 | + * getopt |
| 56 | + *Parse argc/argv argument vector. |
| 57 | + */ |
| 58 | +int |
| 59 | +getopt(nargc,nargv,ostr) |
| 60 | +intnargc; |
| 61 | +char*const*nargv; |
| 62 | +constchar*ostr; |
| 63 | +{ |
| 64 | +externchar*__progname; |
| 65 | +staticchar*place=EMSG;/* option letter processing */ |
| 66 | +char*oli;/* option letter list index */ |
| 67 | + |
| 68 | +if (optreset|| !*place) |
| 69 | +{/* update scanning pointer */ |
| 70 | +optreset=0; |
| 71 | +if (optind >=nargc||*(place=nargv[optind])!='-') |
| 72 | +{ |
| 73 | +place=EMSG; |
| 74 | +return-1; |
| 75 | +} |
| 76 | +if (place[1]&&*++place=='-'&&place[1]=='\0') |
| 77 | +{/* found "--" */ |
| 78 | +++optind; |
| 79 | +place=EMSG; |
| 80 | +return-1; |
| 81 | +} |
| 82 | +}/* option letter okay? */ |
| 83 | +if ((optopt= (int)*place++)== (int)':'|| |
| 84 | +!(oli=strchr(ostr,optopt))) |
| 85 | +{ |
| 86 | +/* |
| 87 | + * if the user didn't specify '-' as an option, assume it means |
| 88 | + * -1. |
| 89 | + */ |
| 90 | +if (optopt== (int)'-') |
| 91 | +return-1; |
| 92 | +if (!*place) |
| 93 | +++optind; |
| 94 | +if (opterr&&*ostr!=':') |
| 95 | +(void)fprintf(stderr, |
| 96 | +"%s: illegal option -- %c\n",__progname,optopt); |
| 97 | +returnBADCH; |
| 98 | +} |
| 99 | +if (*++oli!=':') |
| 100 | +{/* don't need argument */ |
| 101 | +optarg=NULL; |
| 102 | +if (!*place) |
| 103 | +++optind; |
| 104 | +} |
| 105 | +else |
| 106 | +{/* need an argument */ |
| 107 | +if (*place)/* no white space */ |
| 108 | +optarg=place; |
| 109 | +elseif (nargc <=++optind) |
| 110 | +{/* no arg */ |
| 111 | +place=EMSG; |
| 112 | +if (*ostr==':') |
| 113 | +returnBADARG; |
| 114 | +if (opterr) |
| 115 | +(void)fprintf(stderr, |
| 116 | +"%s: option requires an argument -- %c\n", |
| 117 | +__progname,optopt); |
| 118 | +returnBADCH; |
| 119 | +} |
| 120 | +else |
| 121 | +/* white space */ |
| 122 | +optarg=nargv[optind]; |
| 123 | +place=EMSG; |
| 124 | +++optind; |
| 125 | +} |
| 126 | +returnoptopt;/* dump back option letter */ |
| 127 | +} |