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/* winf.h
Copyright 2003, 2004, 2005 Red Hat, Inc.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#ifndef _WINF_H
#define _WINF_H
#define MAXWINCMDLEN 32767
#define LINE_BUF_CHUNK (CYG_MAX_PATH * 2)
class av
{
char **argv;
int calloced;
public:
int argc;
bool win16_exe;
bool iscui;
av (): argv (NULL), iscui (false) {}
av (int ac_in, const char * const *av_in) : calloced (0), argc (ac_in), win16_exe (false), iscui (false)
{
argv = (char **) cmalloc (HEAP_1_ARGV, (argc + 5) * sizeof (char *));
memcpy (argv, av_in, (argc + 1) * sizeof (char *));
}
void *operator new (size_t, void *p) __attribute__ ((nothrow)) {return p;}
void set (int ac_in, const char * const *av_in) {new (this) av (ac_in, av_in);}
~av ()
{
if (argv)
{
for (int i = 0; i < calloced; i++)
if (argv[i])
cfree (argv[i]);
cfree (argv);
}
}
int unshift (const char *what, int conv = 0);
operator char **() {return argv;}
void all_calloced () {calloced = argc;}
void replace0_maybe (const char *arg0)
{
/* Note: Assumes that argv array has not yet been "unshifted" */
if (!calloced)
{
argv[0] = cstrdup1 (arg0);
calloced = true;
}
}
void dup_maybe (int i)
{
if (i >= calloced)
argv[i] = cstrdup1 (argv[i]);
}
void dup_all ()
{
for (int i = calloced; i < argc; i++)
argv[i] = cstrdup1 (argv[i]);
}
int fixup (const char *, path_conv&, const char *);
};
class linebuf
{
public:
size_t ix;
char *buf;
size_t alloced;
linebuf () : ix (0), buf (NULL), alloced (0) {}
~linebuf () {if (buf) free (buf);}
void add (const char *what, int len) __attribute__ ((regparm (3)));
void add (const char *what) {add (what, strlen (what));}
void prepend (const char *what, int len);
void finish () __attribute__ ((regparm (1)));
bool fromargv(av&, char *);
operator char *() {return buf;}
};
#endif /*_WINF_H*/
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