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// This is a component of emc
// Copyright © 2009 Jeff Epler
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#include "stashf.h"
#include "dbuf.h"
#include "rtapi_errno.h"
#include "rtapi_string.h"
#include <stdarg.h>
#ifdef RTAPI
#include <linux/kernel.h>
#define gettext(s) s
#define alloca __builtin_alloca
#else
#include <stdio.h>
#include <libintl.h>
#include <alloca.h>
#endif
static int SET_ERRNO(int value) {
#ifdef RTAPI
return value;
#else
if(value < 0) {
errno = value;
return -1;
} else {
return value;
}
#endif
}
static int get_code(const char **fmt_io, int *modifier_l) {
const char *fmt = *fmt_io;
*modifier_l = 0;
fmt++;
for(; *fmt; fmt++) {
switch(*fmt) {
case 'l':
*modifier_l = 1;
break;
// integers
case 'd': case 'i': case 'x': case 'u': case 'X':
// doubles
case 'e': case 'E': case 'f': case 'F': case 'g': case 'G':
// char; string
case 'c': case 's':
// pointer
case 'p':
// literal percent
case '%': goto format_end;
}
}
format_end:
*fmt_io = fmt+1;
return *fmt;
}
int vstashf(struct dbuf_iter *o, const char *fmt, va_list ap) {
int modifier_l;
dbuf_put_string(o, fmt);
while((fmt = strchr(fmt, '%'))) {
int code = get_code(&fmt, &modifier_l);
switch(code) {
case '%':
break;
case 'c': case 'd': case 'i': case 'x': case 'u': case 'X':
if(modifier_l) {
case 'p':
dbuf_put_long(o, va_arg(ap, long));
} else {
dbuf_put_int(o, va_arg(ap, int));
}
break;
case 'e': case 'E': case 'f': case 'F': case 'g': case 'G':
dbuf_put_double(o, va_arg(ap, double));
break;
case 's':
dbuf_put_string(o, va_arg(ap, const char *));
break;
default:
return SET_ERRNO(-EINVAL);
break;
}
}
return 0;
}
int stashf(struct dbuf_iter *o, const char *fmt, ...) {
va_list ap;
int result;
va_start(ap, fmt);
result = vstashf(o, fmt, ap);
va_end(ap);
return result;
}
#ifdef RTAPI
extern int rtapi_snprintf(char *, unsigned long, const char *, ...);
#define PRINT(...) rtapi_snprintf(buf, n, ## __VA_ARGS__)
#else
#define PRINT(...) snprintf(buf, n, ## __VA_ARGS__)
#endif
#define EXTRA buf += result; n -= result; if(n<0) n = 0;
int snprintdbuf(char *buf, int n, struct dbuf_iter *o) {
#include "stashf_wrap.h"
}
#ifndef RTAPI
#define PRINT(...) fprintf(f, ## __VA_ARGS__)
int fprintdbuf(FILE *f, struct dbuf_iter *o) {
#include "stashf_wrap.h"
}
#define PRINT(...) printf(__VA_ARGS__)
int printdbuf(struct dbuf_iter *o) {
#include "stashf_wrap.h"
}
#endif
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