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Annotation of embedaddon/ntp/lib/isc/win32/stdio.c, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
        !             3:  * Copyright (C) 2000, 2001  Internet Software Consortium.
        !             4:  *
        !             5:  * Permission to use, copy, modify, and/or distribute this software for any
        !             6:  * purpose with or without fee is hereby granted, provided that the above
        !             7:  * copyright notice and this permission notice appear in all copies.
        !             8:  *
        !             9:  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
        !            10:  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
        !            11:  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
        !            12:  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
        !            13:  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
        !            14:  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
        !            15:  * PERFORMANCE OF THIS SOFTWARE.
        !            16:  */
        !            17: 
        !            18: /* $Id: stdio.c,v 1.6 2007/06/19 23:47:19 tbox Exp $ */
        !            19: 
        !            20: #include <config.h>
        !            21: 
        !            22: #include <io.h>
        !            23: #include <errno.h>
        !            24: 
        !            25: #include <isc/stdio.h>
        !            26: 
        !            27: #include "errno2result.h"
        !            28: 
        !            29: isc_result_t
        !            30: isc_stdio_open(const char *filename, const char *mode, FILE **fp) {
        !            31:        FILE *f;
        !            32: 
        !            33:        f = fopen(filename, mode);
        !            34:        if (f == NULL)
        !            35:                return (isc__errno2result(errno));
        !            36:        *fp = f;
        !            37:        return (ISC_R_SUCCESS);
        !            38: }
        !            39: 
        !            40: isc_result_t
        !            41: isc_stdio_close(FILE *f) {
        !            42:        int r;
        !            43: 
        !            44:        r = fclose(f);
        !            45:        if (r == 0)
        !            46:                return (ISC_R_SUCCESS);
        !            47:        else
        !            48:                return (isc__errno2result(errno));
        !            49: }
        !            50: 
        !            51: isc_result_t
        !            52: isc_stdio_seek(FILE *f, long offset, int whence) {
        !            53:        int r;
        !            54: 
        !            55:        r = fseek(f, offset, whence);
        !            56:        if (r == 0)
        !            57:                return (ISC_R_SUCCESS);
        !            58:        else
        !            59:                return (isc__errno2result(errno));
        !            60: }
        !            61: 
        !            62: isc_result_t
        !            63: isc_stdio_read(void *ptr, size_t size, size_t nmemb, FILE *f, size_t *nret) {
        !            64:        isc_result_t result = ISC_R_SUCCESS;
        !            65:        size_t r;
        !            66: 
        !            67:        clearerr(f);
        !            68:        r = fread(ptr, size, nmemb, f);
        !            69:        if (r != nmemb) {
        !            70:                if (feof(f))
        !            71:                        result = ISC_R_EOF;
        !            72:                else
        !            73:                        result = isc__errno2result(errno);
        !            74:        }
        !            75:        if (nret != NULL)
        !            76:                *nret = r;
        !            77:        return (result);
        !            78: }
        !            79: 
        !            80: isc_result_t
        !            81: isc_stdio_write(const void *ptr, size_t size, size_t nmemb, FILE *f,
        !            82:               size_t *nret)
        !            83: {
        !            84:        isc_result_t result = ISC_R_SUCCESS;
        !            85:        size_t r;
        !            86: 
        !            87:        clearerr(f);
        !            88:        r = fwrite(ptr, size, nmemb, f);
        !            89:        if (r != nmemb)
        !            90:                result = isc__errno2result(errno);
        !            91:        if (nret != NULL)
        !            92:                *nret = r;
        !            93:        return (result);
        !            94: }
        !            95: 
        !            96: isc_result_t
        !            97: isc_stdio_flush(FILE *f) {
        !            98:        int r;
        !            99: 
        !           100:        r = fflush(f);
        !           101:        if (r == 0)
        !           102:                return (ISC_R_SUCCESS);
        !           103:        else
        !           104:                return (isc__errno2result(errno));
        !           105: }
        !           106: 
        !           107: isc_result_t
        !           108: isc_stdio_sync(FILE *f) {
        !           109:        int r;
        !           110: 
        !           111:        r = _commit(_fileno(f));
        !           112:        if (r == 0)
        !           113:                return (ISC_R_SUCCESS);
        !           114:        else
        !           115:                return (isc__errno2result(errno));
        !           116: }
        !           117: