diff --git a/src/lib/libc/vsprintf.c b/src/lib/libc/vsprintf.c deleted file mode 100755 index 6443b7f..0000000 --- a/src/lib/libc/vsprintf.c +++ /dev/null @@ -1,235 +0,0 @@ -/************************************************************************************** -$Id$ - - -**************************************************************************************/ - -/* vsprintf.c -- Lars Wirzenius & Linus Torvalds. */ -/* - * Wirzenius wrote this portably, Torvalds fucked it up :-) - */ - -#include - -/* 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 SMALL 64 /* use 'abcdef' instead of 'ABCDEF' */ - -#define do_div(n,base) ({ \ -int __res; \ -__asm__("divl %4":"=a" (n),"=d" (__res):"0" (n),"1" (0),"r" (base)); \ -__res; }) - -static char * number(char * str, int num, int base, int size, int precision - ,int type) -{ - char c,sign,tmp[36]; - const char *digits="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; - int i; - - if (type&SMALL) digits="0123456789abcdefghijklmnopqrstuvwxyz"; - if (type&LEFT) type &= ~ZEROPAD; - if (base<2 || base>36) - return 0; - c = (type & ZEROPAD) ? '0' : ' ' ; - if (type&SIGN && num<0) { - sign='-'; - num = -num; - } else - sign=(type&PLUS) ? '+' : ((type&SPACE) ? ' ' : 0); - if (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) - *str++ = ' '; - if (sign) - *str++ = sign; - if (type&SPECIAL) { - if (base==8) { - *str++ = '0'; - } - else if (base==16) { - *str++ = '0'; - *str++ = digits[33]; - } - } - if (!(type&LEFT)) - while(size-->0) - *str++ = c; - while(i0) - *str++ = tmp[i]; - while(size-->0) - *str++ = ' '; - return str; -} - -int vsprintf(char *buf, const char *fmt, vaList args) -{ - int len; - int i; - char * str; - char *s; - int *ip; - - 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 */ - - for (str=buf ; *fmt ; ++fmt) { - if (*fmt != '%') { - *str++ = *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 == '*') { - /* 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 == '*') { - /* 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; - } - - switch (*fmt) { - case 'c': - if (!(flags & LEFT)) - while (--field_width > 0) - *str++ = ' '; - *str++ = (unsigned char) va_arg(args, int); - while (--field_width > 0) - *str++ = ' '; - break; - - case 's': - s = va_arg(args, char *); - len = strlen(s); - if (precision < 0) - precision = len; - else if (len > precision) - len = precision; - - if (!(flags & LEFT)) - while (len < field_width--) - *str++ = ' '; - for (i = 0; i < len; ++i) - *str++ = *s++; - while (len < field_width--) - *str++ = ' '; - break; - - case 'o': - str = number(str, va_arg(args, unsigned long), 8, - field_width, precision, flags); - break; - - case 'p': - if (field_width == -1) { - field_width = 8; - flags |= ZEROPAD; - } - str = number(str, - (unsigned long) va_arg(args, void *), 16, - field_width, precision, flags); - break; - - case 'x': - flags |= SMALL; - case 'X': - str = number(str, va_arg(args, unsigned long), 16, - field_width, precision, flags); - break; - - case 'd': - case 'i': - flags |= SIGN; - case 'u': - str = number(str, va_arg(args, unsigned long), 10, - field_width, precision, flags); - break; - - case 'n': - ip = va_arg(args, int *); - *ip = (str - buf); - break; - - default: - if (*fmt != '%') - *str++ = '%'; - if (*fmt) - *str++ = *fmt; - else - --fmt; - break; - } - } - *str = '\0'; - return str-buf; -}