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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4709 | mejdrech | 1 | /* |
| 2 | * Copyright (c) 2009 Lukas Mejdrech |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | /** @addtogroup net_app |
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| 30 | * @{ |
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| 31 | */ |
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| 32 | |||
| 33 | /** @file |
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| 34 | * Generic application parsing functions implementation. |
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| 35 | */ |
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| 36 | |||
| 37 | #include <stdio.h> |
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| 38 | #include <string.h> |
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| 39 | |||
| 40 | #include "../err.h" |
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| 41 | |||
| 42 | #include "parse.h" |
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| 43 | |||
| 44 | int parse_parameter_int( int argc, char ** argv, int * index, int * value, const char * name, int offset ){ |
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| 45 | char * rest; |
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| 46 | |||
| 47 | if( offset ){ |
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| 48 | * value = strtol( argv[ * index ] + offset, & rest, 10 ); |
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| 49 | }else if(( * index ) + 1 < argc ){ |
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| 50 | ++ ( * index ); |
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| 51 | * value = strtol( argv[ * index ], & rest, 10 ); |
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| 52 | }else{ |
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| 53 | fprintf( stderr, "Command line error: missing %s\n", name ); |
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| 54 | return EINVAL; |
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| 55 | } |
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| 56 | if( rest && ( * rest )){ |
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| 57 | fprintf( stderr, "Command line error: %s unrecognized (%d: %s)\n", name, * index, argv[ * index ] ); |
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| 58 | return EINVAL; |
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| 59 | } |
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| 60 | return EOK; |
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| 61 | } |
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| 62 | |||
| 63 | int parse_parameter_string( int argc, char ** argv, int * index, char ** value, const char * name, int offset ){ |
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| 64 | if( offset ){ |
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| 65 | * value = argv[ * index ] + offset; |
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| 66 | }else if(( * index ) + 1 < argc ){ |
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| 67 | ++ ( * index ); |
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| 68 | * value = argv[ * index ]; |
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| 69 | }else{ |
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| 70 | fprintf( stderr, "Command line error: missing %s\n", name ); |
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| 71 | return EINVAL; |
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| 72 | } |
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| 73 | return EOK; |
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| 74 | } |
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| 75 | |||
| 76 | int parse_parameter_name_int( int argc, char ** argv, int * index, int * value, const char * name, int offset, int ( * parse_value )( const char * value )){ |
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| 77 | ERROR_DECLARE; |
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| 78 | |||
| 79 | char * parameter; |
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| 80 | |||
| 81 | ERROR_PROPAGATE( parse_parameter_string( argc, argv, index, & parameter, name, offset )); |
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| 82 | * value = ( * parse_value )( parameter ); |
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| 83 | if(( * value ) == ENOENT ){ |
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| 84 | fprintf( stderr, "Command line error: unrecognized %s value (%d: %s)\n", name, * index, parameter ); |
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| 85 | return ENOENT; |
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| 86 | } |
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| 87 | return EOK; |
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| 88 | } |
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| 89 | |||
| 90 | void print_unrecognized( int index, const char * parameter ){ |
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| 91 | fprintf( stderr, "Command line error - unrecognized parameter (%d: %s)\n", index, parameter ); |
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| 92 | } |
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| 93 | |||
| 94 | /** @} |
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| 95 | */ |