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Annotation of embedaddon/sudo/common/atobool.c, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (c) 2010 Todd C. Miller <Todd.Miller@courtesan.com>
        !             3:  *
        !             4:  * Permission to use, copy, modify, and distribute this software for any
        !             5:  * purpose with or without fee is hereby granted, provided that the above
        !             6:  * copyright notice and this permission notice appear in all copies.
        !             7:  *
        !             8:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
        !             9:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
        !            10:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
        !            11:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
        !            12:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
        !            13:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
        !            14:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
        !            15:  */
        !            16: 
        !            17: #include <config.h>
        !            18: 
        !            19: #include <sys/types.h>
        !            20: #include <sys/param.h>
        !            21: 
        !            22: #include <stdio.h>
        !            23: #ifdef STDC_HEADERS
        !            24: # include <stdlib.h>
        !            25: # include <stddef.h>
        !            26: #else
        !            27: # ifdef HAVE_STDLIB_H
        !            28: #  include <stdlib.h>
        !            29: # endif
        !            30: #endif /* STDC_HEADERS */
        !            31: #ifdef HAVE_STRING_H
        !            32: # if defined(HAVE_MEMORY_H) && !defined(STDC_HEADERS)
        !            33: #  include <memory.h>
        !            34: # endif
        !            35: # include <string.h>
        !            36: #endif /* HAVE_STRING_H */
        !            37: #ifdef HAVE_STRINGS_H
        !            38: # include <strings.h>
        !            39: #endif /* HAVE_STRINGS_H */
        !            40: 
        !            41: #include "missing.h"
        !            42: 
        !            43: int
        !            44: atobool(const char *str)
        !            45: {
        !            46:     switch (*str) {
        !            47:        case '0':
        !            48:        case '1':
        !            49:            if (str[1] == '\0')
        !            50:                return *str - '0';
        !            51:            break;
        !            52:        case 'y':
        !            53:        case 'Y':
        !            54:            if (strcasecmp(str, "yes") == 0)
        !            55:                return 1;
        !            56:            break;
        !            57:        case 't':
        !            58:        case 'T':
        !            59:            if (strcasecmp(str, "true") == 0)
        !            60:                return 1;
        !            61:            break;
        !            62:        case 'o':
        !            63:        case 'O':
        !            64:            if (strcasecmp(str, "on") == 0)
        !            65:                return 1;
        !            66:            if (strcasecmp(str, "off") == 0)
        !            67:                return 0;
        !            68:            break;
        !            69:        case 'n':
        !            70:        case 'N':
        !            71:            if (strcasecmp(str, "no") == 0)
        !            72:                return 0;
        !            73:            break;
        !            74:        case 'f':
        !            75:        case 'F':
        !            76:            if (strcasecmp(str, "false") == 0)
        !            77:                return 0;
        !            78:            break;
        !            79:     }
        !            80:     return -1;
        !            81: }