diff options
Diffstat (limited to 'lib/libc/stdio/vfprintf.c')
| -rw-r--r-- | lib/libc/stdio/vfprintf.c | 111 |
1 files changed, 49 insertions, 62 deletions
diff --git a/lib/libc/stdio/vfprintf.c b/lib/libc/stdio/vfprintf.c index f8eb9ca..fff9aa8 100644 --- a/lib/libc/stdio/vfprintf.c +++ b/lib/libc/stdio/vfprintf.c @@ -48,6 +48,7 @@ static const char rcsid[] = * This code is large and complicated... */ +#include "namespace.h" #include <sys/types.h> #include <limits.h> @@ -60,10 +61,11 @@ static const char rcsid[] = #else #include <varargs.h> #endif +#include "un-namespace.h" +#include "libc_private.h" #include "local.h" #include "fvwrite.h" -#include "libc_private.h" /* Define FLOATING_POINT to get floating point. */ #define FLOATING_POINT @@ -80,11 +82,9 @@ static void __grow_type_table __P((int, unsigned char **, int *)); * then reset it so that it can be reused. */ static int -__sprint(fp, uio) - FILE *fp; - register struct __suio *uio; +__sprint(FILE *fp, struct __suio *uio) { - register int err; + int err; if (uio->uio_resid == 0) { uio->uio_iovcnt = 0; @@ -102,10 +102,7 @@ __sprint(fp, uio) * worries about ungetc buffers and so forth. */ static int -__sbprintf(fp, fmt, ap) - register FILE *fp; - const char *fmt; - va_list ap; +__sbprintf(FILE *fp, const char *fmt, va_list ap) { int ret; FILE fake; @@ -123,8 +120,8 @@ __sbprintf(fp, fmt, ap) fake._lbfsize = 0; /* not actually used, but Just In Case */ /* do the work, then copy any error status */ - ret = vfprintf(&fake, fmt, ap); - if (ret >= 0 && fflush(&fake)) + ret = __vfprintf(&fake, fmt, ap); + if (ret >= 0 && __fflush(&fake)) ret = EOF; if (fake._flags & __SERR) fp->_flags |= __SERR; @@ -145,11 +142,7 @@ __sbprintf(fp, fmt, ap) * use the given digits. */ static char * -__ultoa(val, endp, base, octzero, xdigs) - register u_long val; - char *endp; - int base, octzero; - char *xdigs; +__ultoa(u_long val, char *endp, int base, int octzero, char *xdigs) { register char *cp = endp; register long sval; @@ -205,14 +198,10 @@ __ultoa(val, endp, base, octzero, xdigs) /* Identical to __ultoa, but for quads. */ static char * -__uqtoa(val, endp, base, octzero, xdigs) - register u_quad_t val; - char *endp; - int base, octzero; - char *xdigs; +__uqtoa(u_quad_t val, char *endp, int base, int octzero, char *xdigs) { - register char *cp = endp; - register quad_t sval; + char *cp = endp; + quad_t sval; /* quick test for small values; __ultoa is typically much faster */ /* (perhaps instead we should run until small, then call __ultoa?) */ @@ -257,6 +246,20 @@ __uqtoa(val, endp, base, octzero, xdigs) return (cp); } +/* + * MT-safe version + */ +int +vfprintf(FILE *fp, const char *fmt0, va_list ap) +{ + int ret; + + FLOCKFILE(fp); + ret = __vfprintf(fp, fmt0, ap); + FUNLOCKFILE(fp); + return (ret); +} + #ifdef FLOATING_POINT #include <math.h> #include "floatio.h" @@ -287,18 +290,18 @@ static int exponent __P((char *, int, int)); #define SHORTINT 0x040 /* short integer */ #define ZEROPAD 0x080 /* zero (as opposed to blank) pad */ #define FPT 0x100 /* Floating point number */ +/* + * Non-MT-safe version + */ int -vfprintf(fp, fmt0, ap) - FILE *fp; - const char *fmt0; - va_list ap; +__vfprintf(FILE *fp, const char *fmt0, va_list ap) { - register char *fmt; /* format string */ - register int ch; /* character from fmt */ - register int n, n2; /* handy integer (short term usage) */ - register char *cp; /* handy char pointer (short term usage) */ - register struct __siov *iovp;/* for PRINT macro */ - register int flags; /* flags as above */ + char *fmt; /* format string */ + int ch; /* character from fmt */ + int n, n2; /* handy integer (short term usage) */ + char *cp; /* handy char pointer (short term usage) */ + struct __siov *iovp; /* for PRINT macro */ + int flags; /* flags as above */ int ret; /* return value accumulator */ int width; /* width from format (%8d), or 0 */ int prec; /* precision from format (%.3d), or -1 */ @@ -418,19 +421,14 @@ vfprintf(fp, fmt0, ap) } - FLOCKFILE(fp); /* sorry, fprintf(read_only_file, "") returns EOF, not 0 */ - if (cantwrite(fp)) { - FUNLOCKFILE(fp); + if (cantwrite(fp)) return (EOF); - } /* optimise fprintf(stderr) (and other unbuffered Unix files) */ if ((fp->_flags & (__SNBF|__SWR|__SRW)) == (__SNBF|__SWR) && - fp->_file >= 0) { - FUNLOCKFILE(fp); + fp->_file >= 0) return (__sbprintf(fp, fmt0, ap)); - } fmt = (char *)fmt0; argtable = NULL; @@ -867,7 +865,6 @@ done: error: if (__sferror(fp)) ret = EOF; - FUNLOCKFILE(fp); if ((argtable != NULL) && (argtable != statargtable)) free (argtable); return (ret); @@ -902,16 +899,13 @@ error: * It will be replaces with a malloc-ed one if it overflows. */ static void -__find_arguments (fmt0, ap, argtable) - const char *fmt0; - va_list ap; - void ***argtable; +__find_arguments (const char *fmt0, va_list ap, void ***argtable) { - register char *fmt; /* format string */ - register int ch; /* character from fmt */ - register int n, n2; /* handy integer (short term usage) */ - register char *cp; /* handy char pointer (short term usage) */ - register int flags; /* flags as above */ + char *fmt; /* format string */ + int ch; /* character from fmt */ + int n, n2; /* handy integer (short term usage) */ + char *cp; /* handy char pointer (short term usage) */ + int flags; /* flags as above */ int width; /* width from format (%8d), or 0 */ unsigned char *typetable; /* table of types */ unsigned char stattypetable [STATIC_ARG_TBL_SIZE]; @@ -1174,10 +1168,7 @@ done: * Increase the size of the type table. */ static void -__grow_type_table (nextarg, typetable, tablesize) - int nextarg; - unsigned char **typetable; - int *tablesize; +__grow_type_table (int nextarg, unsigned char **typetable, int *tablesize) { unsigned char *const oldtable = *typetable; const int oldsize = *tablesize; @@ -1206,10 +1197,8 @@ __grow_type_table (nextarg, typetable, tablesize) extern char *__dtoa __P((double, int, int, int *, int *, char **)); static char * -cvt(value, ndigits, flags, sign, decpt, ch, length) - double value; - int ndigits, flags, *decpt, ch, *length; - char *sign; +cvt(double value, int ndigits, int flags, char *sign, int *decpt, + int ch, int *length) { int mode, dsgn; char *digits, *bp, *rve; @@ -1250,11 +1239,9 @@ cvt(value, ndigits, flags, sign, decpt, ch, length) } static int -exponent(p0, exp, fmtch) - char *p0; - int exp, fmtch; +exponent(char *p0, int exp, int fmtch) { - register char *p, *t; + char *p, *t; char expbuf[MAXEXP]; p = p0; |
