cvmod.c File Reference

#include "schilyio.h"

Include dependency graph for cvmod.c:

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Macros
#define	O_BINARY   0
#define	O_LARGEFILE   0

Functions
EXPORT int	_cvmod (char *mode, int *omode, int *flag) const

Macro Definition Documentation

O_BINARY

#define O_BINARY   0

Definition at line 20 of file cvmod.c.

O_LARGEFILE

#define O_LARGEFILE   0

Definition at line 23 of file cvmod.c.

Function Documentation

_cvmod()

EXPORT int _cvmod	(	char *	mode,
		int *	omode,
		int *	flag
	)		const

Definition at line 27 of file cvmod.c.

{
    while (*mode) {
        switch (*mode) {
 
        case 'r':   *omode |= O_RDONLY; *flag |= FI_READ;   break;
        case 'w':   *omode |= O_WRONLY; *flag |= FI_WRITE;  break;
        case 'e':   *omode |= O_EXCL;               break;
        case 'c':   *omode |= O_CREAT;  *flag |= FI_CREATE; break;
        case 't':   *omode |= O_TRUNC;  *flag |= FI_TRUNC;  break;
        case 'a':   *omode |= O_APPEND; *flag |= FI_APPEND; break;
        case 'u':           *flag |= FI_UNBUF;  break;
            /* dummy on UNIX */
        case 'b':   *omode |= O_BINARY; *flag |= FI_BINARY; break;
            /*
             * XXX do we need this ?
             * XXX May this be a problem?
             */
        case 'l':   *omode |= O_LARGEFILE;          break;
        default:    raisecond(_badmode, 0L);
                return (0);
        }
        mode++;
    }
    if (*flag & FI_READ && *flag & FI_WRITE) {
        *omode &= ~(O_RDONLY|O_WRONLY);
        *omode |= O_RDWR;
    }
    return (1);
}

Referenced by fileopen().