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Annotation of 43BSDReno/contrib/isode-beta/compat/asprintf.c, revision 1.1

1.1     ! root        1: /* asprintf.c - sprintf with errno */
        !             2: 
        !             3: #ifndef        lint
        !             4: static char *rcsid = "$Header: /f/osi/compat/RCS/asprintf.c,v 7.1 90/02/19 13:07:10 mrose Exp $";
        !             5: #endif
        !             6: 
        !             7: /* 
        !             8:  * $Header: /f/osi/compat/RCS/asprintf.c,v 7.1 90/02/19 13:07:10 mrose Exp $
        !             9:  *
        !            10:  *
        !            11:  * $Log:       asprintf.c,v $
        !            12:  * Revision 7.1  90/02/19  13:07:10  mrose
        !            13:  * update
        !            14:  * 
        !            15:  * Revision 7.0  89/11/23  21:22:54  mrose
        !            16:  * Release 6.0
        !            17:  * 
        !            18:  */
        !            19: 
        !            20: /*
        !            21:  *                               NOTICE
        !            22:  *
        !            23:  *    Acquisition, use, and distribution of this module and related
        !            24:  *    materials are subject to the restrictions of a license agreement.
        !            25:  *    Consult the Preface in the User's Manual for the full terms of
        !            26:  *    this agreement.
        !            27:  *
        !            28:  */
        !            29: 
        !            30: 
        !            31: /* LINTLIBRARY */
        !            32: 
        !            33: #include <stdio.h>
        !            34: #include <varargs.h>
        !            35: #include "general.h"
        !            36: #include "manifest.h"
        !            37: 
        !            38: /*    DATA */
        !            39: 
        !            40: extern int errno;
        !            41: 
        !            42: /*  */
        !            43: 
        !            44: void   asprintf (bp, ap)               /* what, fmt, args, ... */
        !            45: char *bp;
        !            46: va_list        ap;
        !            47: {
        !            48:     char   *what;
        !            49: 
        !            50:     what = va_arg (ap, char *);
        !            51: 
        !            52:     _asprintf (bp, what, ap);
        !            53: }
        !            54: 
        !            55: 
        !            56: void   _asprintf (bp, what, ap)        /* fmt, args, ... */
        !            57: register char *bp;
        !            58: char   *what;
        !            59: va_list        ap;
        !            60: {
        !            61:     register int    eindex;
        !            62:     char   *fmt;
        !            63: 
        !            64:     eindex = errno;
        !            65: 
        !            66:     *bp = NULL;
        !            67:     fmt = va_arg (ap, char *);
        !            68: 
        !            69:     if (fmt) {
        !            70: #ifndef        VSPRINTF
        !            71:        struct _iobuf iob;
        !            72: #endif
        !            73: 
        !            74: #ifndef        VSPRINTF
        !            75: #ifdef pyr
        !            76:        bzero ((char *) &iob, sizeof iob);
        !            77:        iob._file = _NFILE;
        !            78: #endif
        !            79:        iob._flag = _IOWRT | _IOSTRG;
        !            80: #if    !defined(vax) && !defined(pyr)
        !            81:        iob._ptr = (unsigned char *) bp;
        !            82: #else
        !            83:        iob._ptr = bp;
        !            84: #endif
        !            85:        iob._cnt = BUFSIZ;
        !            86:        _doprnt (fmt, ap, &iob);
        !            87:        putc (NULL, &iob);
        !            88: #else
        !            89:        (void) vsprintf (bp, fmt, ap);
        !            90: #endif
        !            91:        bp += strlen (bp);
        !            92: 
        !            93:     }
        !            94: 
        !            95:     if (what) {
        !            96:        if (*what) {
        !            97:            (void) sprintf (bp, " %s: ", what);
        !            98:            bp += strlen (bp);
        !            99:        }
        !           100:        (void) strcpy (bp, sys_errname (eindex));
        !           101:        bp += strlen (bp);
        !           102:     }
        !           103: 
        !           104:     errno = eindex;
        !           105: }

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