diff options
Diffstat (limited to 'loader/printf-stub.c')
| -rw-r--r-- | loader/printf-stub.c | 628 |
1 files changed, 0 insertions, 628 deletions
diff --git a/loader/printf-stub.c b/loader/printf-stub.c deleted file mode 100644 index 39d4704d7..000000000 --- a/loader/printf-stub.c +++ /dev/null @@ -1,628 +0,0 @@ -/* - * linux/lib/vsprintf.c - * - * Copyright (C) 1991, 1992 Linus Torvalds - * Copyright (C) 2000 Jakub Jelinek <jakub@redhat.com> - */ - -/* vsprintf.c -- Lars Wirzenius & Linus Torvalds. */ -/* - * Wirzenius wrote this portably, Torvalds fucked it up :-) - */ - -#include <stdarg.h> -#include <stdio.h> -#include <string.h> -#include <ctype.h> - -/* Define ALIAS as a strong alias for ORIGINAL. */ -# define strong_alias(name, aliasname) _strong_alias(name, aliasname) -# define _strong_alias(name, aliasname) \ - extern __typeof (name) aliasname __attribute__ ((alias (#name))); - -#define do_div(n,base) ({ \ - int __res; \ - __res = ((unsigned long long) n) % (unsigned) base; \ - n = ((unsigned long long) n) / (unsigned) base; \ - __res; }) - -static int skip_atoi(const char **s) -{ - int i=0; - - while (isdigit(**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' */ - -static char * number(char * str, long 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) || precision >= 0) - 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) - *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 (i < precision--) - *str++ = '0'; - while (i-- > 0) - *str++ = tmp[i]; - while (size-- > 0) - *str++ = ' '; - return str; -} - -static char bigbuf[1024], *buf = NULL, *str, *lim; - -static void check(int width) -{ - if (str + width + 16 < lim) - return; - if (width < 512) width = 512; - if (buf == bigbuf) { - buf = (char *)malloc(1024 + width); - memcpy (buf, bigbuf, str - bigbuf); - str = buf + (str - bigbuf); - lim = buf + 1024 + width; - } else { - int w = lim - buf + width; - buf = (char *)realloc (buf, w); - lim = buf + w; - } -} - -static void xprintf(const char *fmt, va_list args) -{ - int len; - unsigned long long num; - int i, base; - 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 */ - /* 'z' support added 23/7/1999 S.H. */ - /* 'z' changed to 'Z' --davidm 1/25/99 */ - - for (str=buf ; *fmt ; ++fmt) { - if (*fmt != '%') { - check (1); - *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 (isdigit(*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 (isdigit(*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' || *fmt =='Z') { - qualifier = *fmt; - ++fmt; - if (qualifier == 'l' && *fmt == 'l') { - qualifier = 'L'; - ++fmt; - } - } - - /* default base */ - base = 10; - - switch (*fmt) { - case 'c': - check(field_width + 2); - if (!(flags & LEFT)) { - while (--field_width > 0) - *str++ = ' '; - } - *str++ = (unsigned char) va_arg(args, int); - while (--field_width > 0) - *str++ = ' '; - continue; - - case 's': - s = va_arg(args, char *); - if (!s) - s = "(null)"; -got_string: - if (precision >= 0) - len = strnlen(s, precision); - else - len = strlen(s); - - check(field_width > len ? field_width : len); - if (!(flags & LEFT)) - while (len < field_width--) - *str++ = ' '; - for (i = 0; i < len; ++i) - *str++ = *s++; - while (len < field_width--) - *str++ = ' '; - continue; - - case 'p': - { - unsigned long ptr; - ptr = (unsigned long) va_arg(args, void *); - if (!ptr) { - if (precision >= 0 && precision < 5) - precision = 5; - s = "(nil)"; - goto got_string; - } - if (field_width == -1) { - field_width = 2*sizeof(void *)+2; - flags |= ZEROPAD; - } - check(field_width + 32 + precision); - str = number(str, ptr, 16, - field_width, precision, flags | SPECIAL); - } - continue; - - case 'n': - if (qualifier == 'l') { - long * ip = va_arg(args, long *); - *ip = (str - buf); - } else if (qualifier == 'Z') { - size_t * ip = va_arg(args, size_t *); - *ip = (str - buf); - } else { - int * ip = va_arg(args, int *); - *ip = (str - buf); - } - continue; - - case '%': - check(1); - *str++ = '%'; - 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; - - case 'e': - case 'E': - case 'f': - case 'g': - case 'G': - fputs("Floating point output not supported by xprintf\n", stderr); - exit(1); - - default: - check(2); - *str++ = '%'; - if (*fmt) - *str++ = *fmt; - else - --fmt; - continue; - } - if (qualifier == 'L') - num = va_arg(args, long long); - else if (qualifier == 'l') { - num = va_arg(args, unsigned long); - if (flags & SIGN) - num = (signed long) num; - } else if (qualifier == 'Z') { - num = va_arg(args, size_t); - } else if (qualifier == 'h') { - num = (unsigned short) va_arg(args, int); - if (flags & SIGN) - num = (signed short) num; - } else { - num = va_arg(args, unsigned int); - if (flags & SIGN) - num = (signed int) num; - } - check (field_width + 32 + precision); - str = number(str, num, base, field_width, precision, flags); - } - *str++ = '\0'; -} - -int vsnprintf(char * b, size_t n, const char *fmt, va_list args) -{ - buf = bigbuf; - lim = buf + 1024; - xprintf(fmt, args); - if (str - buf > n) { - memcpy(b, buf, n - 1); - b[n - 1] = '\0'; - } else - strcpy(b, buf); - if (buf != bigbuf) - free (buf); - return str - buf - 1; -} - -int snprintf(char * buf, size_t n, const char *fmt, ...) -{ - va_list args; - int i; - - va_start(args, fmt); - i=vsnprintf(buf,n,fmt,args); - va_end(args); - return i; -} - -int vsprintf(char * b, const char *fmt, va_list args) -{ - buf = b; - lim = (char *)~0UL; - xprintf(fmt, args); - return str - buf - 1; -} - -int sprintf(char * buf, const char *fmt, ...) -{ - va_list args; - int i; - - va_start(args, fmt); - i=vsprintf(buf,fmt,args); - va_end(args); - return i; -} - -int _IO_vfprintf(FILE *f, const char *fmt, va_list args) -{ - int i; - - buf = bigbuf; - lim = buf + 1024; - xprintf(fmt, args); - - for (i = 0; i < str - buf - 1; i++) - fputc(buf[i], f); - - if (buf != bigbuf) - free(buf); - return str - buf - 1; -} - -int fprintf(FILE *f, const char *fmt, ...) -{ - va_list args; - int i; - - va_start(args, fmt); - i=vfprintf(f,fmt,args); - va_end(args); - return i; -} - -int printf(const char *fmt, ...) -{ - va_list args; - int i; - - va_start(args, fmt); - i=vfprintf(stdout,fmt,args); - va_end(args); - return i; -} - -#define SUPPRESS 128 - -int _IO_sscanf(const char *str, const char *fmt, ...) -{ - va_list args; - int ret = EOF; - unsigned long long lnum; - unsigned long num; - int suppress, base, numbersigned; - int field_width; /* width of output field */ - int qualifier; /* 'h', 'l', or 'L' for integer fields */ - char *s, *p, *q; - const char *start = str; - - va_start(args, fmt); - - for (; *fmt ; ++fmt) { - if (isspace(*fmt)) { - while (isspace(*str)) - str++; - continue; - } - if (*fmt != '%') { - if (*str++ != *fmt) - goto done; - continue; - } - - if (ret == EOF) ret = 0; - - suppress = 0; - if (*++fmt == '*') { - suppress = 1; - fmt++; - } - - /* get field width */ - field_width = -1; - if (isdigit(*fmt)) - field_width = skip_atoi(&fmt); - - /* get the conversion qualifier */ - qualifier = -1; - if (*fmt == 'h' || *fmt == 'l' || *fmt == 'L') { - qualifier = *fmt; - ++fmt; - if (qualifier == 'l' && *fmt == 'l') { - qualifier = 'L'; - ++fmt; - } - } - - if (strchr ("%c[", *fmt) == NULL) { - while (isspace(*str)) - str++; - } - - base = 0; - numbersigned = 0; - - switch (*fmt) { - case 'c': - if (field_width == -1) - field_width = 1; - if (strlen(str) < field_width) - goto done; - if (!suppress) { - p = va_arg(args, char *); - if (!p) goto done; - memcpy(p, str, field_width); - ret++; - } - str += field_width; - continue; - case 's': - for (s = (char *)str; *s && !isspace(*s) && field_width != 0; s++) - field_width--; -finish_s: - if (s == str) - goto done; - if (!suppress) { - p = va_arg(args, char *); - if (!p) goto done; - memcpy(p, str, s - str); - p[s - str] = '\0'; - ret++; - } - str = s; - continue; - case '[': { - int not_in = 0; - memset(bigbuf, 0, 256); - if (*++fmt == '^') { - not_in = 1; - fmt++; - } - if (*fmt == ']') { - bigbuf[']'] = 1; - fmt++; - } - while (*fmt != ']') { - if (!*fmt) goto done; - bigbuf[(unsigned char)*fmt] = 1; - if (fmt[1] == '-' && fmt[2] != ']') { - unsigned char c = (unsigned char)*fmt + 1; - while (c <= (unsigned char)fmt[2]) - bigbuf[c++] = 1; - fmt += 2; - } - fmt++; - } - if (not_in) { - int i; - for (i = 1; i < 256; i++) - bigbuf[i] ^= 1; - } - for (s = (char *)str; bigbuf[(unsigned char)*s] && field_width != 0; s++) - field_width--; - } - goto finish_s; - - case 'n': - if (qualifier == 'l') { - long * ip = va_arg(args, long *); - *ip = (str - start); - } else { - int * ip = va_arg(args, int *); - *ip = (str - start); - } - continue; - - case '%': - if (*str++ != '%') - goto done; - continue; - - case 'e': - case 'E': - case 'f': - case 'g': - case 'G': - fputs("Floating point output not supported by xprintf\n", stderr); - exit(1); - - default: - goto done; - - /* integer number formats - set up the flags and "break" */ - case 'o': - base = 8; - break; - - case 'p': - qualifier = 'l'; - case 'X': - case 'x': - base = 16; - break; - - case 'd': - base = 10; - case 'i': - numbersigned = 1; - break; - case 'u': - base = 10; - break; - } - p = (char *)str; - if (field_width >= 0) { - strncpy(bigbuf, str, field_width); - bigbuf[field_width] = 0; - p = bigbuf; - } - if (numbersigned) { - if (qualifier == 'L') - lnum = strtoll(p, &q, base); - else - num = strtol(p, &q, base); - } else { - if (qualifier == 'L') - lnum = strtoull(p, &q, base); - else - num = strtoull(p, &q, base); - } - if (p == q) - goto done; - str += (q - p); - if (!suppress) { - p = (char *)va_arg(args, char *); - if (p == NULL) - goto done; - if (qualifier == 'L') - *(unsigned long long *)p = lnum; - else if (qualifier == 'l') - *(unsigned long *)p = num; - else if (qualifier == 'h') - *(unsigned short *)p = num; - else - *(unsigned int *)p = num; - ret++; - } - } -done: - va_end (args); - return ret; -} - -strong_alias (_IO_vfprintf, vfprintf); -strong_alias (_IO_sscanf, sscanf); |