diff options
Diffstat (limited to 'lib/libcrypto/bio/b_print.c')
| -rw-r--r-- | lib/libcrypto/bio/b_print.c | 1149 |
1 files changed, 558 insertions, 591 deletions
diff --git a/lib/libcrypto/bio/b_print.c b/lib/libcrypto/bio/b_print.c index 143a7cfefa3..b3b0d45ee68 100644 --- a/lib/libcrypto/bio/b_print.c +++ b/lib/libcrypto/bio/b_print.c @@ -125,16 +125,15 @@ #define LLONG long #endif -static void fmtstr (char **, char **, size_t *, size_t *, - const char *, int, int, int); -static void fmtint (char **, char **, size_t *, size_t *, - LLONG, int, int, int, int); -static void fmtfp (char **, char **, size_t *, size_t *, - LDOUBLE, int, int, int); -static void doapr_outch (char **, char **, size_t *, size_t *, int); -static void _dopr(char **sbuffer, char **buffer, - size_t *maxlen, size_t *retlen, int *truncated, - const char *format, va_list args); +static void fmtstr(char **, char **, size_t *, size_t *, const char *, + int, int, int); +static void fmtint(char **, char **, size_t *, size_t *, LLONG, int, + int, int, int); +static void fmtfp(char **, char **, size_t *, size_t *, LDOUBLE, + int, int, int); +static void doapr_outch(char **, char **, size_t *, size_t *, int); +static void _dopr(char **sbuffer, char **buffer, size_t *maxlen, + size_t *retlen, int *truncated, const char *format, va_list args); /* format read states */ #define DP_S_DEFAULT 0 @@ -166,607 +165,576 @@ static void _dopr(char **sbuffer, char **buffer, #define OSSL_MAX(p,q) ((p >= q) ? p : q) static void -_dopr( - char **sbuffer, - char **buffer, - size_t *maxlen, - size_t *retlen, - int *truncated, - const char *format, - va_list args) +_dopr(char **sbuffer, char **buffer, size_t *maxlen, size_t *retlen, + int *truncated, const char *format, va_list args) { - char ch; - LLONG value; - LDOUBLE fvalue; - char *strvalue; - int min; - int max; - int state; - int flags; - int cflags; - size_t currlen; - - state = DP_S_DEFAULT; - flags = currlen = cflags = min = 0; - max = -1; - ch = *format++; - - while (state != DP_S_DONE) { - if (ch == '\0' || (buffer == NULL && currlen >= *maxlen)) - state = DP_S_DONE; - - switch (state) { - case DP_S_DEFAULT: - if (ch == '%') - state = DP_S_FLAGS; - else - doapr_outch(sbuffer,buffer, &currlen, maxlen, ch); - ch = *format++; - break; - case DP_S_FLAGS: - switch (ch) { - case '-': - flags |= DP_F_MINUS; - ch = *format++; - break; - case '+': - flags |= DP_F_PLUS; - ch = *format++; - break; - case ' ': - flags |= DP_F_SPACE; - ch = *format++; - break; - case '#': - flags |= DP_F_NUM; - ch = *format++; - break; - case '0': - flags |= DP_F_ZERO; - ch = *format++; - break; - default: - state = DP_S_MIN; - break; - } - break; - case DP_S_MIN: - if (isdigit((unsigned char)ch)) { - min = 10 * min + char_to_int(ch); - ch = *format++; - } else if (ch == '*') { - min = va_arg(args, int); - ch = *format++; - state = DP_S_DOT; - } else - state = DP_S_DOT; - break; - case DP_S_DOT: - if (ch == '.') { - state = DP_S_MAX; - ch = *format++; - } else - state = DP_S_MOD; - break; - case DP_S_MAX: - if (isdigit((unsigned char)ch)) { - if (max < 0) - max = 0; - max = 10 * max + char_to_int(ch); - ch = *format++; - } else if (ch == '*') { - max = va_arg(args, int); - ch = *format++; - state = DP_S_MOD; - } else - state = DP_S_MOD; - break; - case DP_S_MOD: - switch (ch) { - case 'h': - cflags = DP_C_SHORT; - ch = *format++; - break; - case 'l': - if (*format == 'l') { - cflags = DP_C_LLONG; - format++; - } else - cflags = DP_C_LONG; - ch = *format++; - break; - case 'q': - cflags = DP_C_LLONG; - ch = *format++; - break; - case 'L': - cflags = DP_C_LDOUBLE; - ch = *format++; - break; - default: - break; - } - state = DP_S_CONV; - break; - case DP_S_CONV: - switch (ch) { - case 'd': - case 'i': - switch (cflags) { - case DP_C_SHORT: - value = (short int)va_arg(args, int); - break; - case DP_C_LONG: - value = va_arg(args, long int); - break; - case DP_C_LLONG: - value = va_arg(args, LLONG); - break; - default: - value = va_arg(args, int); - break; - } - fmtint(sbuffer, buffer, &currlen, maxlen, - value, 10, min, max, flags); - break; - case 'X': - flags |= DP_F_UP; - /* FALLTHROUGH */ - case 'x': - case 'o': - case 'u': - flags |= DP_F_UNSIGNED; - switch (cflags) { - case DP_C_SHORT: - value = (unsigned short int)va_arg(args, unsigned int); - break; - case DP_C_LONG: - value = (LLONG) va_arg(args, - unsigned long int); - break; - case DP_C_LLONG: - value = va_arg(args, unsigned LLONG); - break; - default: - value = (LLONG) va_arg(args, - unsigned int); - break; - } - fmtint(sbuffer, buffer, &currlen, maxlen, value, - ch == 'o' ? 8 : (ch == 'u' ? 10 : 16), - min, max, flags); - break; - case 'f': - if (cflags == DP_C_LDOUBLE) - fvalue = va_arg(args, LDOUBLE); - else - fvalue = va_arg(args, double); - fmtfp(sbuffer, buffer, &currlen, maxlen, - fvalue, min, max, flags); - break; - case 'E': - flags |= DP_F_UP; - case 'e': - if (cflags == DP_C_LDOUBLE) - fvalue = va_arg(args, LDOUBLE); - else - fvalue = va_arg(args, double); - break; - case 'G': - flags |= DP_F_UP; - case 'g': - if (cflags == DP_C_LDOUBLE) - fvalue = va_arg(args, LDOUBLE); - else - fvalue = va_arg(args, double); - break; - case 'c': - doapr_outch(sbuffer, buffer, &currlen, maxlen, - va_arg(args, int)); - break; - case 's': - strvalue = va_arg(args, char *); - if (max < 0) { - if (buffer) - max = INT_MAX; - else - max = *maxlen; + char ch; + LLONG value; + LDOUBLE fvalue; + char *strvalue; + int min; + int max; + int state; + int flags; + int cflags; + size_t currlen; + + state = DP_S_DEFAULT; + flags = currlen = cflags = min = 0; + max = -1; + ch = *format++; + + while (state != DP_S_DONE) { + if (ch == '\0' || (buffer == NULL && currlen >= *maxlen)) + state = DP_S_DONE; + + switch (state) { + case DP_S_DEFAULT: + if (ch == '%') + state = DP_S_FLAGS; + else + doapr_outch(sbuffer, buffer, &currlen, maxlen, ch); + ch = *format++; + break; + case DP_S_FLAGS: + switch (ch) { + case '-': + flags |= DP_F_MINUS; + ch = *format++; + break; + case '+': + flags |= DP_F_PLUS; + ch = *format++; + break; + case ' ': + flags |= DP_F_SPACE; + ch = *format++; + break; + case '#': + flags |= DP_F_NUM; + ch = *format++; + break; + case '0': + flags |= DP_F_ZERO; + ch = *format++; + break; + default: + state = DP_S_MIN; + break; + } + break; + case DP_S_MIN: + if (isdigit((unsigned char)ch)) { + min = 10 * min + char_to_int(ch); + ch = *format++; + } else if (ch == '*') { + min = va_arg(args, int); + ch = *format++; + state = DP_S_DOT; + } else + state = DP_S_DOT; + break; + case DP_S_DOT: + if (ch == '.') { + state = DP_S_MAX; + ch = *format++; + } else + state = DP_S_MOD; + break; + case DP_S_MAX: + if (isdigit((unsigned char)ch)) { + if (max < 0) + max = 0; + max = 10 * max + char_to_int(ch); + ch = *format++; + } else if (ch == '*') { + max = va_arg(args, int); + ch = *format++; + state = DP_S_MOD; + } else + state = DP_S_MOD; + break; + case DP_S_MOD: + switch (ch) { + case 'h': + cflags = DP_C_SHORT; + ch = *format++; + break; + case 'l': + if (*format == 'l') { + cflags = DP_C_LLONG; + format++; + } else + cflags = DP_C_LONG; + ch = *format++; + break; + case 'q': + cflags = DP_C_LLONG; + ch = *format++; + break; + case 'L': + cflags = DP_C_LDOUBLE; + ch = *format++; + break; + default: + break; + } + state = DP_S_CONV; + break; + case DP_S_CONV: + switch (ch) { + case 'd': + case 'i': + switch (cflags) { + case DP_C_SHORT: + value = (short int)va_arg(args, int); + break; + case DP_C_LONG: + value = va_arg(args, long int); + break; + case DP_C_LLONG: + value = va_arg(args, LLONG); + break; + default: + value = va_arg(args, int); + break; + } + fmtint(sbuffer, buffer, &currlen, maxlen, + value, 10, min, max, flags); + break; + case 'X': + flags |= DP_F_UP; + /* FALLTHROUGH */ + case 'x': + case 'o': + case 'u': + flags |= DP_F_UNSIGNED; + switch (cflags) { + case DP_C_SHORT: + value = (unsigned short int)va_arg( + args, unsigned int); + break; + case DP_C_LONG: + value = (LLONG)va_arg(args, + unsigned long int); + break; + case DP_C_LLONG: + value = va_arg(args, unsigned LLONG); + break; + default: + value = (LLONG)va_arg(args, + unsigned int); + break; + } + fmtint(sbuffer, buffer, &currlen, maxlen, value, + ch == 'o' ? 8 : (ch == 'u' ? 10 : 16), + min, max, flags); + break; + case 'f': + if (cflags == DP_C_LDOUBLE) + fvalue = va_arg(args, LDOUBLE); + else + fvalue = va_arg(args, double); + fmtfp(sbuffer, buffer, &currlen, maxlen, + fvalue, min, max, flags); + break; + case 'E': + flags |= DP_F_UP; + case 'e': + if (cflags == DP_C_LDOUBLE) + fvalue = va_arg(args, LDOUBLE); + else + fvalue = va_arg(args, double); + break; + case 'G': + flags |= DP_F_UP; + case 'g': + if (cflags == DP_C_LDOUBLE) + fvalue = va_arg(args, LDOUBLE); + else + fvalue = va_arg(args, double); + break; + case 'c': + doapr_outch(sbuffer, buffer, &currlen, maxlen, + va_arg(args, int)); + break; + case 's': + strvalue = va_arg(args, char *); + if (max < 0) { + if (buffer) + max = INT_MAX; + else + max = *maxlen; + } + fmtstr(sbuffer, buffer, &currlen, maxlen, + strvalue, flags, min, max); + break; + case 'p': + value = (long)va_arg(args, void *); + fmtint(sbuffer, buffer, &currlen, maxlen, + value, 16, min, max, flags|DP_F_NUM); + break; + case 'n': /* XXX */ + if (cflags == DP_C_SHORT) { + short int *num; + num = va_arg(args, short int *); + *num = currlen; + } else if (cflags == DP_C_LONG) { /* XXX */ + long int *num; + num = va_arg(args, long int *); + *num = (long int) currlen; + } else if (cflags == DP_C_LLONG) { /* XXX */ + LLONG *num; + num = va_arg(args, LLONG *); + *num = (LLONG) currlen; + } else { + int *num; + num = va_arg(args, int *); + *num = currlen; + } + break; + case '%': + doapr_outch(sbuffer, buffer, &currlen, maxlen, ch); + break; + case 'w': + /* not supported yet, treat as next char */ + ch = *format++; + break; + default: + /* unknown, skip */ + break; + } + ch = *format++; + state = DP_S_DEFAULT; + flags = cflags = min = 0; + max = -1; + break; + case DP_S_DONE: + break; + default: + break; } - fmtstr(sbuffer, buffer, &currlen, maxlen, strvalue, - flags, min, max); - break; - case 'p': - value = (long)va_arg(args, void *); - fmtint(sbuffer, buffer, &currlen, maxlen, - value, 16, min, max, flags|DP_F_NUM); - break; - case 'n': /* XXX */ - if (cflags == DP_C_SHORT) { - short int *num; - num = va_arg(args, short int *); - *num = currlen; - } else if (cflags == DP_C_LONG) { /* XXX */ - long int *num; - num = va_arg(args, long int *); - *num = (long int) currlen; - } else if (cflags == DP_C_LLONG) { /* XXX */ - LLONG *num; - num = va_arg(args, LLONG *); - *num = (LLONG) currlen; - } else { - int *num; - num = va_arg(args, int *); - *num = currlen; - } - break; - case '%': - doapr_outch(sbuffer, buffer, &currlen, maxlen, ch); - break; - case 'w': - /* not supported yet, treat as next char */ - ch = *format++; - break; - default: - /* unknown, skip */ - break; - } - ch = *format++; - state = DP_S_DEFAULT; - flags = cflags = min = 0; - max = -1; - break; - case DP_S_DONE: - break; - default: - break; - } - } - *truncated = (currlen > *maxlen - 1); - if (*truncated) - currlen = *maxlen - 1; - doapr_outch(sbuffer, buffer, &currlen, maxlen, '\0'); - *retlen = currlen - 1; - return; + } + *truncated = (currlen > *maxlen - 1); + if (*truncated) + currlen = *maxlen - 1; + doapr_outch(sbuffer, buffer, &currlen, maxlen, '\0'); + *retlen = currlen - 1; + return; } static void -fmtstr( - char **sbuffer, - char **buffer, - size_t *currlen, - size_t *maxlen, - const char *value, - int flags, - int min, - int max) +fmtstr(char **sbuffer, char **buffer, size_t *currlen, size_t *maxlen, + const char *value, int flags, int min, int max) { - int padlen, strln; - int cnt = 0; - - if (value == 0) - value = "<NULL>"; - for (strln = 0; value[strln]; ++strln) - ; - padlen = min - strln; - if (padlen < 0) - padlen = 0; - if (flags & DP_F_MINUS) - padlen = -padlen; - - while ((padlen > 0) && (cnt < max)) { - doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); - --padlen; - ++cnt; - } - while (*value && (cnt < max)) { - doapr_outch(sbuffer, buffer, currlen, maxlen, *value++); - ++cnt; - } - while ((padlen < 0) && (cnt < max)) { - doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); - ++padlen; - ++cnt; - } + int padlen, strln; + int cnt = 0; + + if (value == 0) + value = "<NULL>"; + for (strln = 0; value[strln]; ++strln) + ; + padlen = min - strln; + if (padlen < 0) + padlen = 0; + if (flags & DP_F_MINUS) + padlen = -padlen; + + while ((padlen > 0) && (cnt < max)) { + doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); + --padlen; + ++cnt; + } + while (*value && (cnt < max)) { + doapr_outch(sbuffer, buffer, currlen, maxlen, *value++); + ++cnt; + } + while ((padlen < 0) && (cnt < max)) { + doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); + ++padlen; + ++cnt; + } } static void -fmtint( - char **sbuffer, - char **buffer, - size_t *currlen, - size_t *maxlen, - LLONG value, - int base, - int min, - int max, - int flags) +fmtint(char **sbuffer, char **buffer, size_t *currlen, size_t *maxlen, + LLONG value, int base, int min, int max, int flags) { - int signvalue = 0; - const char *prefix = ""; - unsigned LLONG uvalue; - char convert[DECIMAL_SIZE(value)+3]; - int place = 0; - int spadlen = 0; - int zpadlen = 0; - int caps = 0; - - if (max < 0) - max = 0; - uvalue = value; - if (!(flags & DP_F_UNSIGNED)) { - if (value < 0) { - signvalue = '-'; - uvalue = -value; - } else if (flags & DP_F_PLUS) - signvalue = '+'; - else if (flags & DP_F_SPACE) - signvalue = ' '; - } - if (flags & DP_F_NUM) { - if (base == 8) prefix = "0"; - if (base == 16) prefix = "0x"; - } - if (flags & DP_F_UP) - caps = 1; - do { - convert[place++] = - (caps ? "0123456789ABCDEF" : "0123456789abcdef") - [uvalue % (unsigned) base]; - uvalue = (uvalue / (unsigned) base); - } while (uvalue && (place < (int)sizeof(convert))); - if (place == sizeof(convert)) - place--; - convert[place] = 0; - - zpadlen = max - place; - spadlen = min - OSSL_MAX(max, place) - (signvalue ? 1 : 0) - strlen(prefix); - if (zpadlen < 0) - zpadlen = 0; - if (spadlen < 0) - spadlen = 0; - if (flags & DP_F_ZERO) { - zpadlen = OSSL_MAX(zpadlen, spadlen); - spadlen = 0; - } - if (flags & DP_F_MINUS) - spadlen = -spadlen; - - /* spaces */ - while (spadlen > 0) { - doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); - --spadlen; - } - - /* sign */ - if (signvalue) - doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue); - - /* prefix */ - while (*prefix) { - doapr_outch(sbuffer, buffer, currlen, maxlen, *prefix); - prefix++; - } - - /* zeros */ - if (zpadlen > 0) { - while (zpadlen > 0) { - doapr_outch(sbuffer, buffer, currlen, maxlen, '0'); - --zpadlen; - } - } - /* digits */ - while (place > 0) - doapr_outch(sbuffer, buffer, currlen, maxlen, convert[--place]); - - /* left justified spaces */ - while (spadlen < 0) { - doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); - ++spadlen; - } - return; + int signvalue = 0; + const char *prefix = ""; + unsigned LLONG uvalue; + char convert[DECIMAL_SIZE(value) + 3]; + int place = 0; + int spadlen = 0; + int zpadlen = 0; + int caps = 0; + + if (max < 0) + max = 0; + uvalue = value; + if (!(flags & DP_F_UNSIGNED)) { + if (value < 0) { + signvalue = '-'; + uvalue = -value; + } else if (flags & DP_F_PLUS) + signvalue = '+'; + else if (flags & DP_F_SPACE) + signvalue = ' '; + } + if (flags & DP_F_NUM) { + if (base == 8) + prefix = "0"; + if (base == 16) + prefix = "0x"; + } + if (flags & DP_F_UP) + caps = 1; + do { + convert[place++] = (caps ? "0123456789ABCDEF" : + "0123456789abcdef")[uvalue % (unsigned) base]; + uvalue = (uvalue / (unsigned) base); + } while (uvalue && (place < (int)sizeof(convert))); + if (place == sizeof(convert)) + place--; + convert[place] = 0; + + zpadlen = max - place; + spadlen = min - OSSL_MAX(max, place) - (signvalue ? 1 : 0) - + strlen(prefix); + if (zpadlen < 0) + zpadlen = 0; + if (spadlen < 0) + spadlen = 0; + if (flags & DP_F_ZERO) { + zpadlen = OSSL_MAX(zpadlen, spadlen); + spadlen = 0; + } + if (flags & DP_F_MINUS) + spadlen = -spadlen; + + /* spaces */ + while (spadlen > 0) { + doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); + --spadlen; + } + + /* sign */ + if (signvalue) + doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue); + + /* prefix */ + while (*prefix) { + doapr_outch(sbuffer, buffer, currlen, maxlen, *prefix); + prefix++; + } + + /* zeros */ + if (zpadlen > 0) { + while (zpadlen > 0) { + doapr_outch(sbuffer, buffer, currlen, maxlen, '0'); + --zpadlen; + } + } + /* digits */ + while (place > 0) + doapr_outch(sbuffer, buffer, currlen, maxlen, convert[--place]); + + /* left justified spaces */ + while (spadlen < 0) { + doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); + ++spadlen; + } + return; } static LDOUBLE abs_val(LDOUBLE value) { - LDOUBLE result = value; - if (value < 0) - result = -value; - return result; + LDOUBLE result = value; + if (value < 0) + result = -value; + return result; } static LDOUBLE pow_10(int in_exp) { - LDOUBLE result = 1; - while (in_exp) { - result *= 10; - in_exp--; - } - return result; + LDOUBLE result = 1; + while (in_exp) { + result *= 10; + in_exp--; + } + return result; } static long roundv(LDOUBLE value) { - long intpart; - intpart = (long) value; - value = value - intpart; - if (value >= 0.5) - intpart++; - return intpart; + long intpart; + intpart = (long) value; + value = value - intpart; + if (value >= 0.5) + intpart++; + return intpart; } static void -fmtfp( - char **sbuffer, - char **buffer, - size_t *currlen, - size_t *maxlen, - LDOUBLE fvalue, - int min, - int max, - int flags) +fmtfp(char **sbuffer, char **buffer, size_t *currlen, size_t *maxlen, + LDOUBLE fvalue, int min, int max, int flags) { - int signvalue = 0; - LDOUBLE ufvalue; - char iconvert[20]; - char fconvert[20]; - int iplace = 0; - int fplace = 0; - int padlen = 0; - int zpadlen = 0; - int caps = 0; - long intpart; - long fracpart; - long max10; - - if (max < 0) - max = 6; - ufvalue = abs_val(fvalue); - if (fvalue < 0) - signvalue = '-'; - else if (flags & DP_F_PLUS) - signvalue = '+'; - else if (flags & DP_F_SPACE) - signvalue = ' '; - - intpart = (long)ufvalue; - - /* sorry, we only support 9 digits past the decimal because of our - conversion method */ - if (max > 9) - max = 9; - - /* we "cheat" by converting the fractional part to integer by - multiplying by a factor of 10 */ - max10 = roundv(pow_10(max)); - fracpart = roundv(pow_10(max) * (ufvalue - intpart)); - - if (fracpart >= max10) { - intpart++; - fracpart -= max10; - } - - /* convert integer part */ - do { - iconvert[iplace++] = - (caps ? "0123456789ABCDEF" - : "0123456789abcdef")[intpart % 10]; - intpart = (intpart / 10); - } while (intpart && (iplace < (int)sizeof(iconvert))); - if (iplace == sizeof iconvert) - iplace--; - iconvert[iplace] = 0; - - /* convert fractional part */ - do { - fconvert[fplace++] = - (caps ? "0123456789ABCDEF" - : "0123456789abcdef")[fracpart % 10]; - fracpart = (fracpart / 10); - } while (fplace < max); - if (fplace == sizeof fconvert) - fplace--; - fconvert[fplace] = 0; - - /* -1 for decimal point, another -1 if we are printing a sign */ - padlen = min - iplace - max - 1 - ((signvalue) ? 1 : 0); - zpadlen = max - fplace; - if (zpadlen < 0) - zpadlen = 0; - if (padlen < 0) - padlen = 0; - if (flags & DP_F_MINUS) - padlen = -padlen; - - if ((flags & DP_F_ZERO) && (padlen > 0)) { - if (signvalue) { - doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue); - --padlen; - signvalue = 0; - } - while (padlen > 0) { - doapr_outch(sbuffer, buffer, currlen, maxlen, '0'); - --padlen; - } - } - while (padlen > 0) { - doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); - --padlen; - } - if (signvalue) - doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue); - - while (iplace > 0) - doapr_outch(sbuffer, buffer, currlen, maxlen, iconvert[--iplace]); - - /* - * Decimal point. This should probably use locale to find the correct - * char to print out. - */ - if (max > 0 || (flags & DP_F_NUM)) { - doapr_outch(sbuffer, buffer, currlen, maxlen, '.'); - - while (fplace > 0) - doapr_outch(sbuffer, buffer, currlen, maxlen, fconvert[--fplace]); - } - while (zpadlen > 0) { - doapr_outch(sbuffer, buffer, currlen, maxlen, '0'); - --zpadlen; - } - - while (padlen < 0) { - doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); - ++padlen; - } + int signvalue = 0; + LDOUBLE ufvalue; + char iconvert[20]; + char fconvert[20]; + int iplace = 0; + int fplace = 0; + int padlen = 0; + int zpadlen = 0; + int caps = 0; + long intpart; + long fracpart; + long max10; + + if (max < 0) + max = 6; + ufvalue = abs_val(fvalue); + if (fvalue < 0) + signvalue = '-'; + else if (flags & DP_F_PLUS) + signvalue = '+'; + else if (flags & DP_F_SPACE) + signvalue = ' '; + + intpart = (long)ufvalue; + + /* sorry, we only support 9 digits past the decimal because of our + conversion method */ + if (max > 9) + max = 9; + + /* we "cheat" by converting the fractional part to integer by + multiplying by a factor of 10 */ + max10 = roundv(pow_10(max)); + fracpart = roundv(pow_10(max) * (ufvalue - intpart)); + + if (fracpart >= max10) { + intpart++; + fracpart -= max10; + } + + /* convert integer part */ + do { + iconvert[iplace++] = (caps ? "0123456789ABCDEF" : + "0123456789abcdef")[intpart % 10]; + intpart = (intpart / 10); + } while (intpart && (iplace < (int)sizeof(iconvert))); + if (iplace == sizeof iconvert) + iplace--; + iconvert[iplace] = 0; + + /* convert fractional part */ + do { + fconvert[fplace++] = (caps ? "0123456789ABCDEF" : + "0123456789abcdef")[fracpart % 10]; + fracpart = (fracpart / 10); + } while (fplace < max); + if (fplace == sizeof fconvert) + fplace--; + fconvert[fplace] = 0; + + /* -1 for decimal point, another -1 if we are printing a sign */ + padlen = min - iplace - max - 1 - ((signvalue) ? 1 : 0); + zpadlen = max - fplace; + if (zpadlen < 0) + zpadlen = 0; + if (padlen < 0) + padlen = 0; + if (flags & DP_F_MINUS) + padlen = -padlen; + + if ((flags & DP_F_ZERO) && (padlen > 0)) { + if (signvalue) { + doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue); + --padlen; + signvalue = 0; + } + while (padlen > 0) { + doapr_outch(sbuffer, buffer, currlen, maxlen, '0'); + --padlen; + } + } + while (padlen > 0) { + doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); + --padlen; + } + if (signvalue) + doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue); + + while (iplace > 0) + doapr_outch(sbuffer, buffer, currlen, maxlen, iconvert[--iplace]); + + /* + * Decimal point. This should probably use locale to find the correct + * char to print out. + */ + if (max > 0 || (flags & DP_F_NUM)) { + doapr_outch(sbuffer, buffer, currlen, maxlen, '.'); + + while (fplace > 0) + doapr_outch(sbuffer, buffer, currlen, maxlen, fconvert[--fplace]); + } + while (zpadlen > 0) { + doapr_outch(sbuffer, buffer, currlen, maxlen, '0'); + --zpadlen; + } + + while (padlen < 0) { + doapr_outch(sbuffer, buffer, currlen, maxlen, ' '); + ++padlen; + } } static void -doapr_outch( - char **sbuffer, - char **buffer, - size_t *currlen, - size_t *maxlen, +doapr_outch(char **sbuffer, char **buffer, size_t *currlen, size_t *maxlen, int c) { - /* If we haven't at least one buffer, someone has doe a big booboo */ - assert(*sbuffer != NULL || buffer != NULL); - - if (buffer) { - while (*currlen >= *maxlen) { - if (*buffer == NULL) { - if (*maxlen == 0) - *maxlen = 1024; - *buffer = OPENSSL_malloc(*maxlen); - if (*currlen > 0) { - assert(*sbuffer != NULL); - memcpy(*buffer, *sbuffer, *currlen); + /* If we haven't at least one buffer, someone has doe a big booboo */ + assert(*sbuffer != NULL || buffer != NULL); + + if (buffer) { + while (*currlen >= *maxlen) { + if (*buffer == NULL) { + if (*maxlen == 0) + *maxlen = 1024; + *buffer = OPENSSL_malloc(*maxlen); + if (*currlen > 0) { + assert(*sbuffer != NULL); + memcpy(*buffer, *sbuffer, *currlen); + } + *sbuffer = NULL; + } else { + *maxlen += 1024; + *buffer = OPENSSL_realloc(*buffer, *maxlen); + } } - *sbuffer = NULL; - } else { - *maxlen += 1024; - *buffer = OPENSSL_realloc(*buffer, *maxlen); - } + /* What to do if *buffer is NULL? */ + assert(*sbuffer != NULL || *buffer != NULL); } - /* What to do if *buffer is NULL? */ - assert(*sbuffer != NULL || *buffer != NULL); - } - if (*currlen < *maxlen) { - if (*sbuffer) - (*sbuffer)[(*currlen)++] = (char)c; - else - (*buffer)[(*currlen)++] = (char)c; - } + if (*currlen < *maxlen) { + if (*sbuffer) + (*sbuffer)[(*currlen)++] = (char)c; + else + (*buffer)[(*currlen)++] = (char)c; + } - return; + return; } /***************************************************************************/ int BIO_printf (BIO *bio, const char *format, ...) - { +{ va_list args; int ret; @@ -775,15 +743,15 @@ int BIO_printf (BIO *bio, const char *format, ...) ret = BIO_vprintf(bio, format, args); va_end(args); - return(ret); - } + return (ret); +} int BIO_vprintf (BIO *bio, const char *format, va_list args) - { +{ int ret; size_t retlen; char hugebuf[1024*2]; /* Was previously 10k, which is unreasonable - in small-stack environments, like threads + in small - stack environments, like threads or DOS programs. */ char *hugebufp = hugebuf; size_t hugebufsize = sizeof(hugebuf); @@ -792,27 +760,25 @@ int BIO_vprintf (BIO *bio, const char *format, va_list args) dynbuf = NULL; CRYPTO_push_info("doapr()"); - _dopr(&hugebufp, &dynbuf, &hugebufsize, - &retlen, &ignored, format, args); - if (dynbuf) - { - ret=BIO_write(bio, dynbuf, (int)retlen); + _dopr(&hugebufp, &dynbuf, &hugebufsize, &retlen, &ignored, + format, args); + if (dynbuf) { + ret = BIO_write(bio, dynbuf, (int)retlen); OPENSSL_free(dynbuf); - } - else - { - ret=BIO_write(bio, hugebuf, (int)retlen); - } - CRYPTO_pop_info(); - return(ret); + } else { + ret = BIO_write(bio, hugebuf, (int)retlen); } + CRYPTO_pop_info(); + return (ret); +} /* As snprintf is not available everywhere, we provide our own implementation. * This function has nothing to do with BIOs, but it's closely related * to BIO_printf, and we need *some* name prefix ... * (XXX the function should be renamed, but to what?) */ -int BIO_snprintf(char *buf, size_t n, const char *format, ...) - { +int +BIO_snprintf(char *buf, size_t n, const char *format, ...) +{ va_list args; int ret; @@ -821,11 +787,12 @@ int BIO_snprintf(char *buf, size_t n, const char *format, ...) ret = BIO_vsnprintf(buf, n, format, args); va_end(args); - return(ret); - } + return (ret); +} -int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args) - { +int +BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args) +{ size_t retlen; int truncated; @@ -839,4 +806,4 @@ int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args) return -1; else return (retlen <= INT_MAX) ? (int)retlen : -1; - } +} |