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/* print.h -- interface to formatted printing routines ($Revision: 1.1.1.1 $) */
typedef struct Format Format;
struct Format {
/* for the formatting routines */
va_list args;
long flags, f1, f2;
int invoker;
/* for the buffer maintainence routines */
char *buf, *bufbegin, *bufend;
int flushed;
void (*grow)(Format *, size_t);
union { int n; void *p; } u;
};
/* Format->flags values */
enum {
FMT_long = 1, /* %l */
FMT_short = 2, /* %h */
FMT_unsigned = 4, /* %u */
FMT_zeropad = 8, /* %0 */
FMT_leftside = 16, /* %- */
FMT_altform = 32, /* %# */
FMT_f1set = 64, /* %<n> */
FMT_f2set = 128 /* %.<n> */
};
typedef Boolean (*Conv)(Format *);
extern Conv fmtinstall(int, Conv);
extern int printfmt(Format *, const char *);
extern int fmtprint(Format *, const char * VARARGS);
extern void fmtappend(Format *, const char *, size_t);
extern void fmtcat(Format *, const char *);
extern int print(const char *fmt VARARGS);
extern int eprint(const char *fmt VARARGS);
extern int fprint(int fd, const char *fmt VARARGS);
extern char *strv(const char *fmt, va_list args); /* varargs interface to str() */
#define FPRINT_BUFSIZ 1024
/*
* the following macro should by rights be coded as an expression, not
* a statement, but certain compilers (notably DEC) have trouble with
* void expressions inside the ?: operator. (sheesh, give me a break!)
*/
#define fmtputc(f, c) \
STMT( \
if ((f)->buf >= (f)->bufend) \
(*(f)->grow)((f), (size_t)1); \
*(f)->buf++ = (c) \
)
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