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Diffstat (limited to 'src/output.h')
| -rw-r--r-- | src/output.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/src/output.h b/src/output.h new file mode 100644 index 00000000..c43d4937 --- /dev/null +++ b/src/output.h @@ -0,0 +1,126 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * Copyright (c) 1997-2005 + * Herbert Xu <herbert@gondor.apana.org.au>. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Kenneth Almquist. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)output.h 8.2 (Berkeley) 5/4/95 + */ + +#ifndef OUTPUT_INCL + +#include <stdarg.h> +#ifdef USE_GLIBC_STDIO +#include <stdio.h> +#endif +#include <sys/types.h> + +struct output { +#ifdef USE_GLIBC_STDIO + FILE *stream; +#endif + char *nextc; + char *end; + char *buf; + size_t bufsize; + int fd; + int flags; +}; + +extern struct output output; +extern struct output errout; +extern struct output preverrout; +#ifdef notyet +extern struct output memout; +#endif +extern struct output *out1; +extern struct output *out2; + +void outmem(const char *, size_t, struct output *); +void outstr(const char *, struct output *); +#ifndef USE_GLIBC_STDIO +void outcslow(int, struct output *); +#endif +void flushall(void); +void flushout(struct output *); +void outfmt(struct output *, const char *, ...) + __attribute__((__format__(__printf__,2,3))); +void out1fmt(const char *, ...) + __attribute__((__format__(__printf__,1,2))); +int fmtstr(char *, size_t, const char *, ...) + __attribute__((__format__(__printf__,3,4))); +int xasprintf(char **, const char *, ...); +#ifndef USE_GLIBC_STDIO +void doformat(struct output *, const char *, va_list); +#endif +int xwrite(int, const void *, size_t); +#ifdef notyet +#ifdef USE_GLIBC_STDIO +void initstreams(void); +void openmemout(void); +int __closememout(void); +#endif +#endif + +static inline void +freestdout() +{ + output.nextc = output.buf; + output.flags = 0; +} + +#define OUTPUT_ERR 01 /* error occurred on output */ + +#ifdef USE_GLIBC_STDIO +static inline void outc(int ch, struct output *file) +{ + putc(ch, file->stream); +} +#define doformat(d, f, a) vfprintf((d)->stream, (f), (a)) +#else +static inline void outc(int ch, struct output *file) +{ + if (file->nextc == file->end) + outcslow(ch, file); + else { + *file->nextc = ch; + file->nextc++; + } +} +#endif +#define out1c(c) outc((c), out1) +#define out2c(c) outcslow((c), out2) +#define out1mem(s, l) outmem((s), (l), out1) +#define out1str(s) outstr((s), out1) +#define out2str(s) outstr((s), out2) +#define outerr(f) (f)->flags + +#define OUTPUT_INCL +#endif |