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Diffstat (limited to 'ldso/ldso/vsprintf.c')
-rw-r--r--ldso/ldso/vsprintf.c291
1 files changed, 0 insertions, 291 deletions
diff --git a/ldso/ldso/vsprintf.c b/ldso/ldso/vsprintf.c
deleted file mode 100644
index 959c24080..000000000
--- a/ldso/ldso/vsprintf.c
+++ /dev/null
@@ -1,291 +0,0 @@
-/*
- * vsprintf.c
- *
- * Copyright (C) 1991-1996 Linus Torvalds
- */
-
-/* vsprintf.c -- Lars Wirzenius & Linus Torvalds. */
-/*
- * Wirzenius wrote this portably, Torvalds fucked it up :-)
- */
-
-#include <stdarg.h>
-#include "string.h"
-#include "hash.h"
-#include "syscall.h"
-
-/* we use this so that we can do without the ctype library */
-#define is_digit(c) ((c) >= '0' && (c) <= '9')
-
-static int skip_atoi(const char **s)
-{
- int i=0;
-
- while (is_digit(**s))
- i = i*10 + *((*s)++) - '0';
- return i;
-}
-
-#define ZEROPAD 1 /* pad with zero */
-#define SIGN 2 /* unsigned/signed long */
-#define PLUS 4 /* show plus */
-#define SPACE 8 /* space if plus */
-#define LEFT 16 /* left justified */
-#define SPECIAL 32 /* 0x */
-#define LARGE 64 /* use 'ABCDEF' instead of 'abcdef' */
-
-#ifndef __sparc__
-#define do_div(n,base) ({ \
-int __res; \
-__res = ((unsigned long) n) % (unsigned) base; \
-n = ((unsigned long) n) / (unsigned) base; \
-__res; })
-#else
-#define do_div(n,base) _dl_div ((n)/(base))
-#define do_div(n,base) ({ \
-int __res; \
-__res = _dl_urem(((unsigned long) n),(unsigned) base); \
-n = _dl_udiv(((unsigned long) n),(unsigned) base); \
-__res; })
-#endif
-
-#define ADD_CHAR(s,n,c) ( ((n) > 1) ? *(s)++ = (c), (n)-- : (c) )
-
-static char * number(char * str, int *bufsize, long num, int base, int size, int precision
- ,int type)
-{
- char c,sign,tmp[66];
- const char *digits="0123456789abcdefghijklmnopqrstuvwxyz";
- int i;
-
- if (type & LARGE)
- digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
- if (type & LEFT)
- type &= ~ZEROPAD;
- if (base < 2 || base > 36)
- return 0;
- c = (type & ZEROPAD) ? '0' : ' ';
- sign = 0;
- if (type & SIGN) {
- if (num < 0) {
- sign = '-';
- num = -num;
- size--;
- } else if (type & PLUS) {
- sign = '+';
- size--;
- } else if (type & SPACE) {
- sign = ' ';
- size--;
- }
- }
- if (type & SPECIAL) {
- if (base == 16)
- size -= 2;
- else if (base == 8)
- size--;
- }
- i = 0;
- if (num == 0)
- tmp[i++]='0';
- else while (num != 0)
- tmp[i++] = digits[do_div(num,base)];
- if (i > precision)
- precision = i;
- size -= precision;
- if (!(type&(ZEROPAD+LEFT)))
- while(size-->0)
- ADD_CHAR(str, *bufsize, ' ');
- if (sign)
- ADD_CHAR(str, *bufsize, sign);
- if (type & SPECIAL) {
- if (base==8)
- ADD_CHAR(str, *bufsize, '0');
- else if (base==16) {
- ADD_CHAR(str, *bufsize, '0');
- ADD_CHAR(str, *bufsize, digits[33]);
- }
- }
- if (!(type & LEFT))
- while (size-- > 0)
- ADD_CHAR(str, *bufsize, c);
- while (i < precision--)
- ADD_CHAR(str, *bufsize, '0');
- while (i-- > 0)
- ADD_CHAR(str, *bufsize, tmp[i]);
- while (size-- > 0)
- ADD_CHAR(str, *bufsize, ' ');
- return str;
-}
-
-int _dl_fdprintf(int fd, const char *fmt, ...)
-{
- int len;
- unsigned long num;
- int i, base;
- char * str;
- const char *s;
-
- int flags; /* flags to number() */
-
- int field_width; /* width of output field */
- int precision; /* min. # of digits for integers; max
- number of chars for from string */
- int qualifier; /* 'h', 'l', or 'L' for integer fields */
-
- int bufsize;
- char buf[2048];
- va_list(args);
-
- va_start(args, fmt);
-
- for (str=buf, bufsize=sizeof buf ; *fmt ; ++fmt) {
- if (*fmt != '%') {
- ADD_CHAR(str, bufsize, *fmt);
- continue;
- }
-
- /* process flags */
- flags = 0;
- repeat:
- ++fmt; /* this also skips first '%' */
- switch (*fmt) {
- case '-': flags |= LEFT; goto repeat;
- case '+': flags |= PLUS; goto repeat;
- case ' ': flags |= SPACE; goto repeat;
- case '#': flags |= SPECIAL; goto repeat;
- case '0': flags |= ZEROPAD; goto repeat;
- }
-
- /* get field width */
- field_width = -1;
- if (is_digit(*fmt))
- field_width = skip_atoi(&fmt);
- else if (*fmt == '*') {
- ++fmt;
- /* it's the next argument */
- field_width = va_arg(args, int);
- if (field_width < 0) {
- field_width = -field_width;
- flags |= LEFT;
- }
- }
-
- /* get the precision */
- precision = -1;
- if (*fmt == '.') {
- ++fmt;
- if (is_digit(*fmt))
- precision = skip_atoi(&fmt);
- else if (*fmt == '*') {
- ++fmt;
- /* it's the next argument */
- precision = va_arg(args, int);
- }
- if (precision < 0)
- precision = 0;
- }
-
- /* get the conversion qualifier */
- qualifier = -1;
- if (*fmt == 'h' || *fmt == 'l' || *fmt == 'L') {
- qualifier = *fmt;
- ++fmt;
- }
-
- /* default base */
- base = 10;
-
- switch (*fmt) {
- case 'c':
- if (!(flags & LEFT))
- while (--field_width > 0)
- ADD_CHAR(str, bufsize, ' ');
- ADD_CHAR(str, bufsize, (unsigned char) va_arg(args, int));
- while (--field_width > 0)
- ADD_CHAR(str, bufsize, ' ');
- continue;
-
- case 's':
- s = va_arg(args, char *);
- if (!s)
- s = "<NULL>";
-
- len = _dl_strlen(s);
-
- if (!(flags & LEFT))
- while (len < field_width--)
- ADD_CHAR(str, bufsize, ' ');
- for (i = 0; i < len; ++i)
- ADD_CHAR(str, bufsize, *s++);
- while (len < field_width--)
- ADD_CHAR(str, bufsize, ' ');
- continue;
-
- case 'p':
- if (field_width == -1) {
- field_width = 2*sizeof(void *);
- flags |= ZEROPAD;
- }
- str = number(str, &bufsize,
- (unsigned long) va_arg(args, void *), 16,
- field_width, precision, flags);
- continue;
-
-
- case 'n':
- if (qualifier == 'l') {
- long * ip = va_arg(args, long *);
- *ip = (str - buf);
- } else {
- int * ip = va_arg(args, int *);
- *ip = (str - buf);
- }
- continue;
-
- /* integer number formats - set up the flags and "break" */
- case 'o':
- base = 8;
- break;
-
- case 'X':
- flags |= LARGE;
- case 'x':
- base = 16;
- break;
-
- case 'd':
- case 'i':
- flags |= SIGN;
- case 'u':
- break;
-
- default:
- if (*fmt != '%')
- ADD_CHAR(str, bufsize, '%');
- if (*fmt)
- ADD_CHAR(str, bufsize, *fmt);
- else
- --fmt;
- continue;
- }
- if (qualifier == 'l')
- num = va_arg(args, unsigned long);
-#ifndef __powerpc__
- else if (qualifier == 'h')
- if (flags & SIGN)
- num = va_arg(args, short);
- else
- num = va_arg(args, unsigned short);
-#endif
- else if (flags & SIGN)
- num = va_arg(args, int);
- else
- num = va_arg(args, unsigned int);
- str = number(str, &bufsize, num, base, field_width, precision, flags);
- }
- *str = '\0';
- _dl_write(fd, buf, str-buf);
- return str-buf;
-}
-
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