From 3f05764b66c12e358878ecd7efdb393740acd9f1 Mon Sep 17 00:00:00 2001 From: Lyndon Nerenberg Date: Sun, 25 Dec 2011 11:28:07 -0800 Subject: [PATCH] Remove compatibility functions that are always provided by the POSIX host environment. --- configure.in | 2 - sbr/Makefile.in | 9 +- sbr/memmove.c | 11 - sbr/snprintf.c | 1045 ------------------------------------------------------- sbr/strdup.c | 27 -- sbr/strerror.c | 19 - 6 files changed, 2 insertions(+), 1111 deletions(-) delete mode 100644 sbr/memmove.c delete mode 100644 sbr/snprintf.c delete mode 100644 sbr/strdup.c delete mode 100644 sbr/strerror.c diff --git a/configure.in b/configure.in index 9663dc2..9d750c0 100644 --- a/configure.in +++ b/configure.in @@ -502,8 +502,6 @@ AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include ]], [Define to 1 if you have the `sigsetjmp'.]) AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)]) -AC_REPLACE_FUNCS(memmove snprintf strerror strdup) - dnl Look for the initgroups() declaration. On AIX 4.[13], Solaris 4.1.3, and dnl ULTRIX 4.2A the function is defined in libc but there's no declaration in dnl any system header. diff --git a/sbr/Makefile.in b/sbr/Makefile.in index 581cc6d..5bb3f22 100644 --- a/sbr/Makefile.in +++ b/sbr/Makefile.in @@ -30,8 +30,6 @@ GNU_LIBTOOL = @GNU_LIBTOOL@ LINT = @LINT@ LINTFLAGS = @LINTFLAGS@ -LIBOBJS = @LIBOBJS@ - mailspool = @mailspool@ sendmailpath = @sendmailpath@ @@ -76,16 +74,13 @@ SRCS = addrsbr.c ambigsw.c atooi.c brkstring.c \ strindex.c trimcpy.c uprf.c vfgets.c fmt_def.c \ m_msgdef.c mf.c utils.c m_mktemp.c -# source for compatibility functions -COMPAT = memmove.c snprintf.c strdup.c strerror.c - -OBJS = $(SRCS:.c=.o) $(LIBOBJS) +OBJS = $(SRCS:.c=.o) # auxiliary files AUX = Makefile.in sigmsg.awk dtimep.lex # all files in this directory included in the distribution -DIST = $(SRCS) $(COMPAT) $(AUX) +DIST = $(SRCS) $(AUX) # ========= DEPENDENCIES FOR BUILDING ========== diff --git a/sbr/memmove.c b/sbr/memmove.c deleted file mode 100644 index 62a303f..0000000 --- a/sbr/memmove.c +++ /dev/null @@ -1,11 +0,0 @@ -/* public domain function from Jan Wolter Unix Incompatibility Notes */ -/* http://unixpapa.com/incnote/ */ -char *memmove(char *dst, char *src, int n) -{ - if (src > dst) - for ( ; n > 0; n--) - *(dst++)= *(src++); - else - for (dst+= n-1, src+= n-1; n > 0; n--) - *(dst--)= *(src--); -} diff --git a/sbr/snprintf.c b/sbr/snprintf.c deleted file mode 100644 index efb6df0..0000000 --- a/sbr/snprintf.c +++ /dev/null @@ -1,1045 +0,0 @@ -/* - * snprintf.c -- formatted output to a string - * - * This is an implementation of snprintf() and vsnprintf() - * taken from the Apache web server. This is only used on - * systems which do not have a native version. - */ - -/* ==================================================================== - * Copyright (c) 1995-1999 The Apache Group. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the Apache Group - * for use in the Apache HTTP server project (http://www.apache.org/)." - * - * 4. The names "Apache Server" and "Apache Group" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * apache@apache.org. - * - * 5. Products derived from this software may not be called "Apache" - * nor may "Apache" appear in their names without prior written - * permission of the Apache Group. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the Apache Group - * for use in the Apache HTTP server project (http://www.apache.org/)." - * - * THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE APACHE GROUP OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * ==================================================================== - * - * This software consists of voluntary contributions made by many - * individuals on behalf of the Apache Group and was originally based - * on public domain software written at the National Center for - * Supercomputing Applications, University of Illinois, Urbana-Champaign. - * For more information on the Apache Group and the Apache HTTP server - * project, please see . - * - * This code is based on, and used with the permission of, the - * SIO stdio-replacement strx_* functions by Panos Tsirigotis - * for xinetd. - */ - -#include -#include -#include -#include -#include -#include -#include -#include - -typedef enum { - NO = 0, YES = 1 -} boolean_e; - -#ifndef FALSE -#define FALSE 0 -#endif -#ifndef TRUE -#define TRUE 1 -#endif -#define NUL '\0' -#define INT_NULL ((int *)0) -#define WIDE_INT long - -typedef struct { - char *curpos; - char *endpos; -} ap_vformatter_buff; - -typedef WIDE_INT wide_int; -typedef unsigned WIDE_INT u_wide_int; -typedef int bool_int; - -#define S_NULL "(null)" -#define S_NULL_LEN 6 - -#define FLOAT_DIGITS 6 -#define EXPONENT_LENGTH 10 - -/* These macros allow correct support of 8-bit characters on systems which - * support 8-bit characters. Pretty dumb how the cast is required, but - * that's legacy libc for ya. These new macros do not support EOF like - * the standard macros do. Tough. - */ -#define ap_isalpha(c) (isalpha(((unsigned char)(c)))) -#define ap_isdigit(c) (isdigit(((unsigned char)(c)))) -#define ap_islower(c) (islower(((unsigned char)(c)))) - -/* - * NUM_BUF_SIZE is the size of the buffer used for arithmetic conversions - * - * XXX: this is a magic number; do not decrease it - */ -#define NUM_BUF_SIZE 512 - -/* - * cvt.c - IEEE floating point formatting routines for FreeBSD - * from GNU libc-4.6.27. Modified to be thread safe. - */ - -/* - * ap_ecvt converts to decimal - * the number of digits is specified by ndigit - * decpt is set to the position of the decimal point - * sign is set to 0 for positive, 1 for negative - */ - -#define NDIG 80 - -/* buf must have at least NDIG bytes */ -static char *ap_cvt(double arg, int ndigits, int *decpt, int *sign, int eflag, char *buf) -{ - register int r2; - double fi, fj; - register char *p, *p1; - - if (ndigits >= NDIG - 1) - ndigits = NDIG - 2; - r2 = 0; - *sign = 0; - p = &buf[0]; - if (arg < 0) { - *sign = 1; - arg = -arg; - } - arg = modf(arg, &fi); - p1 = &buf[NDIG]; - /* - * Do integer part - */ - if (fi != 0) { - p1 = &buf[NDIG]; - while (fi != 0) { - fj = modf(fi / 10, &fi); - *--p1 = (int) ((fj + .03) * 10) + '0'; - r2++; - } - while (p1 < &buf[NDIG]) - *p++ = *p1++; - } - else if (arg > 0) { - while ((fj = arg * 10) < 1) { - arg = fj; - r2--; - } - } - p1 = &buf[ndigits]; - if (eflag == 0) - p1 += r2; - *decpt = r2; - if (p1 < &buf[0]) { - buf[0] = '\0'; - return (buf); - } - while (p <= p1 && p < &buf[NDIG]) { - arg *= 10; - arg = modf(arg, &fj); - *p++ = (int) fj + '0'; - } - if (p1 >= &buf[NDIG]) { - buf[NDIG - 1] = '\0'; - return (buf); - } - p = p1; - *p1 += 5; - while (*p1 > '9') { - *p1 = '0'; - if (p1 > buf) - ++ * --p1; - else { - *p1 = '1'; - (*decpt)++; - if (eflag == 0) { - if (p > buf) - *p = '0'; - p++; - } - } - } - *p = '\0'; - return (buf); -} - -static char *ap_ecvt(double arg, int ndigits, int *decpt, int *sign, char *buf) -{ - return (ap_cvt(arg, ndigits, decpt, sign, 1, buf)); -} - -static char *ap_fcvt(double arg, int ndigits, int *decpt, int *sign, char *buf) -{ - return (ap_cvt(arg, ndigits, decpt, sign, 0, buf)); -} - -/* - * ap_gcvt - Floating output conversion to - * minimal length string - */ - -static char *ap_gcvt(double number, int ndigit, char *buf, boolean_e altform) -{ - int sign, decpt; - register char *p1, *p2; - register int i; - char buf1[NDIG]; - - p1 = ap_ecvt(number, ndigit, &decpt, &sign, buf1); - p2 = buf; - if (sign) - *p2++ = '-'; - for (i = ndigit - 1; i > 0 && p1[i] == '0'; i--) - ndigit--; - if ((decpt >= 0 && decpt - ndigit > 4) - || (decpt < 0 && decpt < -3)) { /* use E-style */ - decpt--; - *p2++ = *p1++; - *p2++ = '.'; - for (i = 1; i < ndigit; i++) - *p2++ = *p1++; - *p2++ = 'e'; - if (decpt < 0) { - decpt = -decpt; - *p2++ = '-'; - } - else - *p2++ = '+'; - if (decpt / 100 > 0) - *p2++ = decpt / 100 + '0'; - if (decpt / 10 > 0) - *p2++ = (decpt % 100) / 10 + '0'; - *p2++ = decpt % 10 + '0'; - } - else { - if (decpt <= 0) { - if (*p1 != '0') - *p2++ = '.'; - while (decpt < 0) { - decpt++; - *p2++ = '0'; - } - } - for (i = 1; i <= ndigit; i++) { - *p2++ = *p1++; - if (i == decpt) - *p2++ = '.'; - } - if (ndigit < decpt) { - while (ndigit++ < decpt) - *p2++ = '0'; - *p2++ = '.'; - } - } - if (p2[-1] == '.' && !altform) - p2--; - *p2 = '\0'; - return (buf); -} - -/* - * The INS_CHAR macro inserts a character in the buffer and writes - * the buffer back to disk if necessary - * It uses the char pointers sp and bep: - * sp points to the next available character in the buffer - * bep points to the end-of-buffer+1 - * While using this macro, note that the nextb pointer is NOT updated. - * - * NOTE: Evaluation of the c argument should not have any side-effects - */ -#define INS_CHAR(c, sp, bep, cc) \ - { \ - if (sp >= bep) { \ - vbuff->curpos = sp; \ - if (flush_func(vbuff)) \ - return -1; \ - sp = vbuff->curpos; \ - bep = vbuff->endpos; \ - } \ - *sp++ = (c); \ - cc++; \ - } - -#define NUM( c ) ( c - '0' ) - -#define STR_TO_DEC( str, num ) \ - num = NUM( *str++ ) ; \ - while ( ap_isdigit( *str ) ) \ - { \ - num *= 10 ; \ - num += NUM( *str++ ) ; \ - } - -/* - * This macro does zero padding so that the precision - * requirement is satisfied. The padding is done by - * adding '0's to the left of the string that is going - * to be printed. - */ -#define FIX_PRECISION( adjust, precision, s, s_len ) \ - if ( adjust ) \ - while ( s_len < precision ) \ - { \ - *--s = '0' ; \ - s_len++ ; \ - } - -/* - * Macro that does padding. The padding is done by printing - * the character ch. - */ -#define PAD( width, len, ch ) do \ - { \ - INS_CHAR( ch, sp, bep, cc ) ; \ - width-- ; \ - } \ - while ( width > len ) - -/* - * Prefix the character ch to the string str - * Increase length - * Set the has_prefix flag - */ -#define PREFIX( str, length, ch ) *--str = ch ; length++ ; has_prefix = YES - - -/* - * Convert num to its decimal format. - * Return value: - * - a pointer to a string containing the number (no sign) - * - len contains the length of the string - * - is_negative is set to TRUE or FALSE depending on the sign - * of the number (always set to FALSE if is_unsigned is TRUE) - * - * The caller provides a buffer for the string: that is the buf_end argument - * which is a pointer to the END of the buffer + 1 (i.e. if the buffer - * is declared as buf[ 100 ], buf_end should be &buf[ 100 ]) - */ -static char *conv_10(register wide_int num, register bool_int is_unsigned, - register bool_int *is_negative, char *buf_end, - register int *len) -{ - register char *p = buf_end; - register u_wide_int magnitude; - - if (is_unsigned) { - magnitude = (u_wide_int) num; - *is_negative = FALSE; - } - else { - *is_negative = (num < 0); - - /* - * On a 2's complement machine, negating the most negative integer - * results in a number that cannot be represented as a signed integer. - * Here is what we do to obtain the number's magnitude: - * a. add 1 to the number - * b. negate it (becomes positive) - * c. convert it to unsigned - * d. add 1 - */ - if (*is_negative) { - wide_int t = num + 1; - - magnitude = ((u_wide_int) -t) + 1; - } - else - magnitude = (u_wide_int) num; - } - - /* - * We use a do-while loop so that we write at least 1 digit - */ - do { - register u_wide_int new_magnitude = magnitude / 10; - - *--p = (char) (magnitude - new_magnitude * 10 + '0'); - magnitude = new_magnitude; - } - while (magnitude); - - *len = buf_end - p; - return (p); -} - - - -static char *conv_in_addr(struct in_addr *ia, char *buf_end, int *len) -{ - unsigned addr = ntohl(ia->s_addr); - char *p = buf_end; - bool_int is_negative; - int sub_len; - - p = conv_10((addr & 0x000000FF) , TRUE, &is_negative, p, &sub_len); - *--p = '.'; - p = conv_10((addr & 0x0000FF00) >> 8, TRUE, &is_negative, p, &sub_len); - *--p = '.'; - p = conv_10((addr & 0x00FF0000) >> 16, TRUE, &is_negative, p, &sub_len); - *--p = '.'; - p = conv_10((addr & 0xFF000000) >> 24, TRUE, &is_negative, p, &sub_len); - - *len = buf_end - p; - return (p); -} - - - -static char *conv_sockaddr_in(struct sockaddr_in *si, char *buf_end, int *len) -{ - char *p = buf_end; - bool_int is_negative; - int sub_len; - - p = conv_10(ntohs(si->sin_port), TRUE, &is_negative, p, &sub_len); - *--p = ':'; - p = conv_in_addr(&si->sin_addr, p, &sub_len); - - *len = buf_end - p; - return (p); -} - - - -/* - * Convert a floating point number to a string formats 'f', 'e' or 'E'. - * The result is placed in buf, and len denotes the length of the string - * The sign is returned in the is_negative argument (and is not placed - * in buf). - */ -static char *conv_fp(register char format, register double num, - boolean_e add_dp, int precision, bool_int *is_negative, - char *buf, int *len) -{ - register char *s = buf; - register char *p; - int decimal_point; - char buf1[NDIG]; - - if (format == 'f') - p = ap_fcvt(num, precision, &decimal_point, is_negative, buf1); - else /* either e or E format */ - p = ap_ecvt(num, precision + 1, &decimal_point, is_negative, buf1); - - /* - * Check for Infinity and NaN - */ - if (ap_isalpha(*p)) { - *len = strlen(strcpy(buf, p)); - *is_negative = FALSE; - return (buf); - } - - if (format == 'f') { - if (decimal_point <= 0) { - *s++ = '0'; - if (precision > 0) { - *s++ = '.'; - while (decimal_point++ < 0) - *s++ = '0'; - } - else if (add_dp) - *s++ = '.'; - } - else { - while (decimal_point-- > 0) - *s++ = *p++; - if (precision > 0 || add_dp) - *s++ = '.'; - } - } - else { - *s++ = *p++; - if (precision > 0 || add_dp) - *s++ = '.'; - } - - /* - * copy the rest of p, the NUL is NOT copied - */ - while (*p) - *s++ = *p++; - - if (format != 'f') { - char temp[EXPONENT_LENGTH]; /* for exponent conversion */ - int t_len; - bool_int exponent_is_negative; - - *s++ = format; /* either e or E */ - decimal_point--; - if (decimal_point != 0) { - p = conv_10((wide_int) decimal_point, FALSE, &exponent_is_negative, - &temp[EXPONENT_LENGTH], &t_len); - *s++ = exponent_is_negative ? '-' : '+'; - - /* - * Make sure the exponent has at least 2 digits - */ - if (t_len == 1) - *s++ = '0'; - while (t_len--) - *s++ = *p++; - } - else { - *s++ = '+'; - *s++ = '0'; - *s++ = '0'; - } - } - - *len = s - buf; - return (buf); -} - - -/* - * Convert num to a base X number where X is a power of 2. nbits determines X. - * For example, if nbits is 3, we do base 8 conversion - * Return value: - * a pointer to a string containing the number - * - * The caller provides a buffer for the string: that is the buf_end argument - * which is a pointer to the END of the buffer + 1 (i.e. if the buffer - * is declared as buf[ 100 ], buf_end should be &buf[ 100 ]) - */ -static char *conv_p2(register u_wide_int num, register int nbits, - char format, char *buf_end, register int *len) -{ - register int mask = (1 << nbits) - 1; - register char *p = buf_end; - static const char low_digits[] = "0123456789abcdef"; - static const char upper_digits[] = "0123456789ABCDEF"; - register const char *digits = (format == 'X') ? upper_digits : low_digits; - - do { - *--p = digits[num & mask]; - num >>= nbits; - } - while (num); - - *len = buf_end - p; - return (p); -} - - -/* - * Do format conversion placing the output in buffer - */ -int ap_vformatter(int (*flush_func)(ap_vformatter_buff *), - ap_vformatter_buff *vbuff, const char *fmt, va_list ap) -{ - register char *sp; - register char *bep; - register int cc = 0; - register int i; - - register char *s = NULL; - char *q; - int s_len; - - register int min_width = 0; - int precision = 0; - enum { - LEFT, RIGHT - } adjust; - char pad_char; - char prefix_char; - - double fp_num; - wide_int i_num = (wide_int) 0; - u_wide_int ui_num; - - char num_buf[NUM_BUF_SIZE]; - char char_buf[2]; /* for printing %% and % */ - - /* - * Flag variables - */ - boolean_e is_long; - boolean_e alternate_form; - boolean_e print_sign; - boolean_e print_blank; - boolean_e adjust_precision; - boolean_e adjust_width; - bool_int is_negative; - - sp = vbuff->curpos; - bep = vbuff->endpos; - - while (*fmt) { - if (*fmt != '%') { - INS_CHAR(*fmt, sp, bep, cc); - } - else { - /* - * Default variable settings - */ - adjust = RIGHT; - alternate_form = print_sign = print_blank = NO; - pad_char = ' '; - prefix_char = NUL; - - fmt++; - - /* - * Try to avoid checking for flags, width or precision - */ - if (!ap_islower(*fmt)) { - /* - * Recognize flags: -, #, BLANK, + - */ - for (;; fmt++) { - if (*fmt == '-') - adjust = LEFT; - else if (*fmt == '+') - print_sign = YES; - else if (*fmt == '#') - alternate_form = YES; - else if (*fmt == ' ') - print_blank = YES; - else if (*fmt == '0') - pad_char = '0'; - else - break; - } - - /* - * Check if a width was specified - */ - if (ap_isdigit(*fmt)) { - STR_TO_DEC(fmt, min_width); - adjust_width = YES; - } - else if (*fmt == '*') { - min_width = va_arg(ap, int); - fmt++; - adjust_width = YES; - if (min_width < 0) { - adjust = LEFT; - min_width = -min_width; - } - } - else - adjust_width = NO; - - /* - * Check if a precision was specified - * - * XXX: an unreasonable amount of precision may be specified - * resulting in overflow of num_buf. Currently we - * ignore this possibility. - */ - if (*fmt == '.') { - adjust_precision = YES; - fmt++; - if (ap_isdigit(*fmt)) { - STR_TO_DEC(fmt, precision); - } - else if (*fmt == '*') { - precision = va_arg(ap, int); - fmt++; - if (precision < 0) - precision = 0; - } - else - precision = 0; - } - else - adjust_precision = NO; - } - else - adjust_precision = adjust_width = NO; - - /* - * Modifier check - */ - if (*fmt == 'l') { - is_long = YES; - fmt++; - } - else { - if (*fmt == 'h') /* "short" backward compatibility */ - ++fmt; - is_long = NO; - } - - /* - * Argument extraction and printing. - * First we determine the argument type. - * Then, we convert the argument to a string. - * On exit from the switch, s points to the string that - * must be printed, s_len has the length of the string - * The precision requirements, if any, are reflected in s_len. - * - * NOTE: pad_char may be set to '0' because of the 0 flag. - * It is reset to ' ' by non-numeric formats - */ - switch (*fmt) { - case 'u': - if (is_long) - i_num = va_arg(ap, u_wide_int); - else - i_num = (wide_int) va_arg(ap, unsigned int); - s = conv_10(i_num, 1, &is_negative, - &num_buf[NUM_BUF_SIZE], &s_len); - FIX_PRECISION(adjust_precision, precision, s, s_len); - break; - - case 'd': - case 'i': - if (is_long) - i_num = va_arg(ap, wide_int); - else - i_num = (wide_int) va_arg(ap, int); - s = conv_10(i_num, 0, &is_negative, - &num_buf[NUM_BUF_SIZE], &s_len); - FIX_PRECISION(adjust_precision, precision, s, s_len); - - if (is_negative) - prefix_char = '-'; - else if (print_sign) - prefix_char = '+'; - else if (print_blank) - prefix_char = ' '; - break; - - - case 'o': - if (is_long) - ui_num = va_arg(ap, u_wide_int); - else - ui_num = (u_wide_int) va_arg(ap, unsigned int); - s = conv_p2(ui_num, 3, *fmt, - &num_buf[NUM_BUF_SIZE], &s_len); - FIX_PRECISION(adjust_precision, precision, s, s_len); - if (alternate_form && *s != '0') { - *--s = '0'; - s_len++; - } - break; - - - case 'x': - case 'X': - if (is_long) - ui_num = (u_wide_int) va_arg(ap, u_wide_int); - else - ui_num = (u_wide_int) va_arg(ap, unsigned int); - s = conv_p2(ui_num, 4, *fmt, - &num_buf[NUM_BUF_SIZE], &s_len); - FIX_PRECISION(adjust_precision, precision, s, s_len); - if (alternate_form && i_num != 0) { - *--s = *fmt; /* 'x' or 'X' */ - *--s = '0'; - s_len += 2; - } - break; - - - case 's': - s = va_arg(ap, char *); - if (s != NULL) { - s_len = strlen(s); - if (adjust_precision && precision < s_len) - s_len = precision; - } - else { - s = S_NULL; - s_len = S_NULL_LEN; - } - pad_char = ' '; - break; - - - case 'f': - case 'e': - case 'E': - fp_num = va_arg(ap, double); - /* - * * We use &num_buf[ 1 ], so that we have room for the sign - */ - s = conv_fp(*fmt, fp_num, alternate_form, - (adjust_precision == NO) ? FLOAT_DIGITS : precision, - &is_negative, &num_buf[1], &s_len); - if (is_negative) - prefix_char = '-'; - else if (print_sign) - prefix_char = '+'; - else if (print_blank) - prefix_char = ' '; - break; - - - case 'g': - case 'G': - if (adjust_precision == NO) - precision = FLOAT_DIGITS; - else if (precision == 0) - precision = 1; - /* - * * We use &num_buf[ 1 ], so that we have room for the sign - */ - s = ap_gcvt(va_arg(ap, double), precision, &num_buf[1], - alternate_form); - if (*s == '-') - prefix_char = *s++; - else if (print_sign) - prefix_char = '+'; - else if (print_blank) - prefix_char = ' '; - - s_len = strlen(s); - - if (alternate_form && (q = strchr(s, '.')) == NULL) { - s[s_len++] = '.'; - s[s_len] = '\0'; /* delimit for following strchr() */ - } - if (*fmt == 'G' && (q = strchr(s, 'e')) != NULL) - *q = 'E'; - break; - - - case 'c': - char_buf[0] = (char) (va_arg(ap, int)); - s = &char_buf[0]; - s_len = 1; - pad_char = ' '; - break; - - - case '%': - char_buf[0] = '%'; - s = &char_buf[0]; - s_len = 1; - pad_char = ' '; - break; - - - case 'n': - *(va_arg(ap, int *)) = cc; - break; - - /* - * This is where we extend the printf format, with a second - * type specifier - */ - case 'p': - switch(*++fmt) { - /* - * If the pointer size is equal to the size of an unsigned - * integer we convert the pointer to a hex number, otherwise - * we print "%p" to indicate that we don't handle "%p". - */ - case 'p': - ui_num = (u_wide_int) va_arg(ap, void *); - - if (sizeof(char *) <= sizeof(u_wide_int)) - s = conv_p2(ui_num, 4, 'x', - &num_buf[NUM_BUF_SIZE], &s_len); - else { - s = "%p"; - s_len = 2; - prefix_char = NUL; - } - pad_char = ' '; - break; - - /* print a struct sockaddr_in as a.b.c.d:port */ - case 'I': - { - struct sockaddr_in *si; - - si = va_arg(ap, struct sockaddr_in *); - if (si != NULL) { - s = conv_sockaddr_in(si, &num_buf[NUM_BUF_SIZE], &s_len); - if (adjust_precision && precision < s_len) - s_len = precision; - } - else { - s = S_NULL; - s_len = S_NULL_LEN; - } - pad_char = ' '; - } - break; - - /* print a struct in_addr as a.b.c.d */ - case 'A': - { - struct in_addr *ia; - - ia = va_arg(ap, struct in_addr *); - if (ia != NULL) { - s = conv_in_addr(ia, &num_buf[NUM_BUF_SIZE], &s_len); - if (adjust_precision && precision < s_len) - s_len = precision; - } - else { - s = S_NULL; - s_len = S_NULL_LEN; - } - pad_char = ' '; - } - break; - - case NUL: - /* if %p ends the string, oh well ignore it */ - continue; - - default: - s = "bogus %p"; - s_len = 8; - prefix_char = NUL; - break; - } - break; - - case NUL: - /* - * The last character of the format string was %. - * We ignore it. - */ - continue; - - - /* - * The default case is for unrecognized %'s. - * We print % to help the user identify what - * option is not understood. - * This is also useful in case the user wants to pass - * the output of format_converter to another function - * that understands some other % (like syslog). - * Note that we can't point s inside fmt because the - * unknown could be preceded by width etc. - */ - default: - char_buf[0] = '%'; - char_buf[1] = *fmt; - s = char_buf; - s_len = 2; - pad_char = ' '; - break; - } - - if (prefix_char != NUL && s != S_NULL && s != char_buf) { - *--s = prefix_char; - s_len++; - } - - if (adjust_width && adjust == RIGHT && min_width > s_len) { - if (pad_char == '0' && prefix_char != NUL) { - INS_CHAR(*s, sp, bep, cc); - s++; - s_len--; - min_width--; - } - PAD(min_width, s_len, pad_char); - } - - /* - * Print the string s. - */ - for (i = s_len; i != 0; i--) { - INS_CHAR(*s, sp, bep, cc); - s++; - } - - if (adjust_width && adjust == LEFT && min_width > s_len) - PAD(min_width, s_len, pad_char); - } - fmt++; - } - vbuff->curpos = sp; - return cc; -} - - -static int snprintf_flush(ap_vformatter_buff *vbuff) -{ - /* if the buffer fills we have to abort immediately, there is no way - * to "flush" a snprintf... there's nowhere to flush it to. - */ - return -1; -} - - -int snprintf(char *buf, size_t len, const char *format,...) -{ - int cc; - va_list ap; - ap_vformatter_buff vbuff; - - if (len == 0) - return 0; - - /* save one byte for nul terminator */ - vbuff.curpos = buf; - vbuff.endpos = buf + len - 1; - va_start(ap, format); - cc = ap_vformatter(snprintf_flush, &vbuff, format, ap); - va_end(ap); - *vbuff.curpos = '\0'; - return (cc == -1) ? len : cc; -} - - -int vsnprintf(char *buf, size_t len, const char *format, va_list ap) -{ - int cc; - ap_vformatter_buff vbuff; - - if (len == 0) - return 0; - - /* save one byte for nul terminator */ - vbuff.curpos = buf; - vbuff.endpos = buf + len - 1; - cc = ap_vformatter(snprintf_flush, &vbuff, format, ap); - *vbuff.curpos = '\0'; - return (cc == -1) ? len : cc; -} diff --git a/sbr/strdup.c b/sbr/strdup.c deleted file mode 100644 index 251145a..0000000 --- a/sbr/strdup.c +++ /dev/null @@ -1,27 +0,0 @@ - -/* - * strdup.c -- duplicate a string - * - * This code is Copyright (c) 2002, by the authors of nmh. See the - * COPYRIGHT file in the root directory of the nmh distribution for - * complete copyright information. - */ - -#include -#include - - -char * -strdup (const char *str) -{ - char *cp; - size_t len; - - if (!str) - return NULL; - - len = strlen(str) + 1; - cp = mh_xmalloc (len); - memcpy (cp, str, len); - return cp; -} diff --git a/sbr/strerror.c b/sbr/strerror.c deleted file mode 100644 index 476a574..0000000 --- a/sbr/strerror.c +++ /dev/null @@ -1,19 +0,0 @@ - -/* - * strerror.c -- get error message string - */ - -#include - -extern int sys_nerr; -extern char *sys_errlist[]; - - -char * -strerror (int errnum) -{ - if (errnum > 0 && errnum < sys_nerr) - return sys_errlist[errnum]; - else - return NULL; -} -- 1.7.10.4