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: }
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