text: /*
     +----------------------------------------------------------------------+
     | PHP Version 7                                                        |
     +----------------------------------------------------------------------+
     | Copyright (c) 1997-2015 The PHP Group                                |
     +----------------------------------------------------------------------+
     | This source file is subject to version 3.01 of the PHP license,      |
     | that is bundled with this package in the file LICENSE, and is        |
     | available through the world-wide-web at the following url:           |
     | http://www.php.net/license/3_01.txt                                  |
     | If you did not receive a copy of the PHP license and are unable to   |
     | obtain it through the world-wide-web, please send a note to          |
     | license@php.net so we can mail you a copy immediately.               |
     +----------------------------------------------------------------------+
     | Authors: Felipe Pena <felipe@php.net>                                |
     | Authors: Joe Watkins <joe.watkins@live.co.uk>                        |
     | Authors: Bob Weinand <bwoebi@php.net>                                |
     +----------------------------------------------------------------------+
  */
  
  #include "zend.h"
  #include "php.h"
  #include "spprintf.h"
  #include "phpdbg.h"
  #include "phpdbg_io.h"
  #include "phpdbg_eol.h"
  #include "ext/standard/html.h"
  
  #ifdef _WIN32
  #	include "win32/time.h"
  #endif
  
  ZEND_EXTERN_MODULE_GLOBALS(phpdbg);
  
  /* copied from php-src/main/snprintf.c and slightly modified */
  /*
   * NUM_BUF_SIZE is the size of the buffer used for arithmetic conversions
   *
   * XXX: this is a magic number; do not decrease it
   * Emax = 1023
   * NDIG = 320
   * NUM_BUF_SIZE >= strlen("-") + Emax + strlrn(".") + NDIG + strlen("E+1023") + 1;
   */
  #define NUM_BUF_SIZE        2048
  
  /*
   * Descriptor for buffer area
   */
  struct buf_area {
  	char *buf_end;
  	char *nextb; /* pointer to next byte to read/write   */
  };
  
  typedef struct buf_area buffy;
  
  /*
   * 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)            \
  		{                        \
  			*sp++ = c;           \
  		}                        \
  		cc++;                    \
  	}
  
  #define NUM( c )			( c - '0' )
  
  #define STR_TO_DEC( str, num )		\
      num = NUM( *str++ ) ;		\
      while ( isdigit((int)*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
  
  
  #ifdef HAVE_LOCALE_H
  #include <locale.h>
  #define LCONV_DECIMAL_POINT (*lconv->decimal_point)
  #else
  #define LCONV_DECIMAL_POINT '.'
  #endif
  #define NUL '\0'
  #define S_NULL "(null)"
  #define S_NULL_LEN 6
  #define FLOAT_DIGITS 6
  
  /*
   * Do format conversion placing the output in buffer
   */
  static int format_converter(register buffy *odp, const char *fmt, zend_bool escape_xml, va_list ap) {
  	char *sp;
  	char *bep;
  	int cc = 0;
  	int i;
  
  	char *s = NULL, *free_s = NULL;
  	size_t s_len;
  	zend_bool free_zcopy;
  	zval *zvp, zcopy;
  
  	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 %<unknown> */
  
  #ifdef HAVE_LOCALE_H
  	struct lconv *lconv = NULL;
  #endif
  
  	/*
  	 * Flag variables
  	 */
  	length_modifier_e modifier;
  	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 = odp->nextb;
  	bep = odp->buf_end;
  
  	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;
  			free_zcopy = 0;
  
  			fmt++;
  
  			/*
  			 * Try to avoid checking for flags, width or precision
  			 */
  			if (isascii((int)*fmt) && !islower((int)*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 (isdigit((int)*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
  				 */
  				if (*fmt == '.') {
  					adjust_precision = YES;
  					fmt++;
  					if (isdigit((int)*fmt)) {
  						STR_TO_DEC(fmt, precision);
  					} else if (*fmt == '*') {
  						precision = va_arg(ap, int);
  						fmt++;
  						if (precision < 0)
  							precision = 0;
  					} else
  						precision = 0;
  
  					if (precision > FORMAT_CONV_MAX_PRECISION && *fmt != 's' && *fmt != 'v' && *fmt != 'b') {
  						precision = FORMAT_CONV_MAX_PRECISION;
  					}
  				} else
  					adjust_precision = NO;
  			} else
  				adjust_precision = adjust_width = NO;
  
  			/*
  			 * Modifier check
  			 */
  			switch (*fmt) {
  				case 'L':
  					fmt++;
  					modifier = LM_LONG_DOUBLE;
  					break;
  				case 'I':
  					fmt++;
  #if SIZEOF_LONG_LONG
  					if (*fmt == '6' && *(fmt+1) == '4') {
  						fmt += 2;
  						modifier = LM_LONG_LONG;
  					} else
  #endif
  						if (*fmt == '3' && *(fmt+1) == '2') {
  							fmt += 2;
  							modifier = LM_LONG;
  						} else {
  #ifdef _WIN64
  							modifier = LM_LONG_LONG;
  #else
  							modifier = LM_LONG;
  #endif
  						}
  					break;
  				case 'l':
  					fmt++;
  #if SIZEOF_LONG_LONG
  					if (*fmt == 'l') {
  						fmt++;
  						modifier = LM_LONG_LONG;
  					} else
  #endif
  						modifier = LM_LONG;
  					break;
  					case 'z':
  					fmt++;
  					modifier = LM_SIZE_T;
  					break;
  				case 'j':
  					fmt++;
  #if SIZEOF_INTMAX_T
  					modifier = LM_INTMAX_T;
  #else
  					modifier = LM_SIZE_T;
  #endif
  					break;
  				case 't':
  					fmt++;
  #if SIZEOF_PTRDIFF_T
  					modifier = LM_PTRDIFF_T;
  #else
  					modifier = LM_SIZE_T;
  #endif
  					break;
  				case 'h':
  					fmt++;
  					if (*fmt == 'h') {
  						fmt++;
  					}
  					/* these are promoted to int, so no break */
  				default:
  					modifier = LM_STD;
  					break;
  			}
  
  			/*
  			 * 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 'Z':
  					zvp = (zval *) va_arg(ap, zval *);
  					free_zcopy = zend_make_printable_zval(zvp, &zcopy);
  					if (free_zcopy) {
  						zvp = &zcopy;
  					}
  					s_len = Z_STRLEN_P(zvp);
  					s = Z_STRVAL_P(zvp);
  					if (adjust_precision && precision < s_len) {
  						s_len = precision;
  					}
  					break;
  				case 'u':
  					switch(modifier) {
  						default:
  							i_num = (wide_int) va_arg(ap, unsigned int);
  							break;
  						case LM_LONG_DOUBLE:
  							goto fmt_error;
  						case LM_LONG:
  							i_num = (wide_int) va_arg(ap, unsigned long int);
  							break;
  						case LM_SIZE_T:
  							i_num = (wide_int) va_arg(ap, size_t);
  							break;
  #if SIZEOF_LONG_LONG
  						case LM_LONG_LONG:
  							i_num = (wide_int) va_arg(ap, u_wide_int);
  							break;
  #endif
  #if SIZEOF_INTMAX_T
  						case LM_INTMAX_T:
  							i_num = (wide_int) va_arg(ap, uintmax_t);
  							break;
  #endif
  #if SIZEOF_PTRDIFF_T
  						case LM_PTRDIFF_T:
  							i_num = (wide_int) va_arg(ap, ptrdiff_t);
  							break;
  #endif
  					}
  					/*
  					 * The rest also applies to other integer formats, so fall
  					 * into that case.
  					 */
  				case 'd':
  				case 'i':
  					/*
  					 * Get the arg if we haven't already.
  					 */
  					if ((*fmt) != 'u') {
  						switch(modifier) {
  							default:
  								i_num = (wide_int) va_arg(ap, int);
  								break;
  							case LM_LONG_DOUBLE:
  								goto fmt_error;
  							case LM_LONG:
  								i_num = (wide_int) va_arg(ap, long int);
  								break;
  							case LM_SIZE_T:
  #if SIZEOF_SSIZE_T
  								i_num = (wide_int) va_arg(ap, ssize_t);
  #else
  								i_num = (wide_int) va_arg(ap, size_t);
  #endif
  								break;
  #if SIZEOF_LONG_LONG
  							case LM_LONG_LONG:
  								i_num = (wide_int) va_arg(ap, wide_int);
  								break;
  #endif
  #if SIZEOF_INTMAX_T
  							case LM_INTMAX_T:
  								i_num = (wide_int) va_arg(ap, intmax_t);
  								break;
  #endif
  #if SIZEOF_PTRDIFF_T
  							case LM_PTRDIFF_T:
  								i_num = (wide_int) va_arg(ap, ptrdiff_t);
  								break;
  #endif
  						}
  					}
  					s = ap_php_conv_10(i_num, (*fmt) == 'u', &is_negative,
  								&num_buf[NUM_BUF_SIZE], &s_len);
  					FIX_PRECISION(adjust_precision, precision, s, s_len);
  
  					if (*fmt != 'u') {
  						if (is_negative) {
  							prefix_char = '-';
  						} else if (print_sign) {
  							prefix_char = '+';
  						} else if (print_blank) {
  							prefix_char = ' ';
  						}
  					}
  					break;
  
  
  				case 'o':
  					switch(modifier) {
  						default:
  							ui_num = (u_wide_int) va_arg(ap, unsigned int);
  							break;
  						case LM_LONG_DOUBLE:
  							goto fmt_error;
  						case LM_LONG:
  							ui_num = (u_wide_int) va_arg(ap, unsigned long int);
  							break;
  						case LM_SIZE_T:
  							ui_num = (u_wide_int) va_arg(ap, size_t);
  							break;
  #if SIZEOF_LONG_LONG
  						case LM_LONG_LONG:
  							ui_num = (u_wide_int) va_arg(ap, u_wide_int);
  							break;
  #endif
  #if SIZEOF_INTMAX_T
  						case LM_INTMAX_T:
  							ui_num = (u_wide_int) va_arg(ap, uintmax_t);
  							break;
  #endif
  #if SIZEOF_PTRDIFF_T
  						case LM_PTRDIFF_T:
  							ui_num = (u_wide_int) va_arg(ap, ptrdiff_t);
  							break;
  #endif
  					}
  					s = ap_php_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':
  					switch(modifier) {
  						default:
  							ui_num = (u_wide_int) va_arg(ap, unsigned int);
  							break;
  						case LM_LONG_DOUBLE:
  							goto fmt_error;
  						case LM_LONG:
  							ui_num = (u_wide_int) va_arg(ap, unsigned long int);
  							break;
  						case LM_SIZE_T:
  							ui_num = (u_wide_int) va_arg(ap, size_t);
  							break;
  #if SIZEOF_LONG_LONG
  						case LM_LONG_LONG:
  							ui_num = (u_wide_int) va_arg(ap, u_wide_int);
  							break;
  #endif
  #if SIZEOF_INTMAX_T
  						case LM_INTMAX_T:
  							ui_num = (u_wide_int) va_arg(ap, uintmax_t);
  							break;
  #endif
  #if SIZEOF_PTRDIFF_T
  						case LM_PTRDIFF_T:
  							ui_num = (u_wide_int) va_arg(ap, ptrdiff_t);
  							break;
  #endif
  					}
  					s = ap_php_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':
  				case 'v':
  					s = va_arg(ap, char *);
  					if (s != NULL) {
  						if (adjust_precision) {
  							s_len = precision;
  						} else {
  							s_len = strlen(s);
  						}
  
  						if (escape_xml) {
  							/* added: support for xml escaping */
  
  							int old_slen = s_len, i = 0;
  							char *old_s = s, *s_ptr;
  							free_s = s_ptr = s = emalloc(old_slen * 6 + 1);
  							do {
  								if (old_s[i] == '&' || old_s[i] == '"' || old_s[i] == '<') {
  									*s_ptr++ = '&';
  									switch (old_s[i]) {
  										case '"':
  											s_len += 5;
  											*s_ptr++ = 'q';
  											*s_ptr++ = 'u';
  											*s_ptr++ = 'o';
  											*s_ptr++ = 't';
  											break;
  										case '<':
  											s_len += 3;
  											*s_ptr++ = 'l';
  											*s_ptr++ = 't';
  											break;
  										case '&':
  											s_len += 4;
  											*s_ptr++ = 'a';
  											*s_ptr++ = 'm';
  											*s_ptr++ = 'p';
  											break;
  									}
  									*s_ptr++ = ';';
  								} else {
  									*s_ptr++ = old_s[i];
  								}
  							} while (i++ < old_slen);
  						}
  					} else {
  						s = S_NULL;
  						s_len = S_NULL_LEN;
  					}
  					pad_char = ' ';
  					break;
  
  
  				case 'b':
  					if (escape_xml) {
  						s = PHPDBG_G(err_buf).xml;
  					} else {
  						s = PHPDBG_G(err_buf).msg;
  					}
  
  					if (s != NULL) {
  						if (escape_xml) {
  							s_len = PHPDBG_G(err_buf).xmllen;
  						} else {
  							s_len = PHPDBG_G(err_buf).msglen;
  						}
  
  						if (adjust_precision && precision != s_len) {
  							s_len = precision;
  						}
  					} else {
  						s = "";
  						s_len = 0;
  					}
  					pad_char = ' ';
  					break;
  
  
  				case 'r':
  					if (PHPDBG_G(req_id)) {
  						s_len = spprintf(&s, 0, "req=\"%lu\"", PHPDBG_G(req_id));
  						free_s = s;
  					} else {
  						s = "";
  						s_len = 0;
  					}
  					break;
  
  
  				case 'f':
  				case 'F':
  				case 'e':
  				case 'E':
  
  					switch(modifier) {
  						case LM_LONG_DOUBLE:
  							fp_num = (double) va_arg(ap, long double);
  							break;
  						case LM_STD:
  							fp_num = va_arg(ap, double);
  							break;
  						default:
  							goto fmt_error;
  					}
  
  					if (zend_isnan(fp_num)) {
  						s = "NAN";
  						s_len = 3;
  					} else if (zend_isinf(fp_num)) {
  						s = "INF";
  						s_len = 3;
  					} else {
  #ifdef HAVE_LOCALE_H
  						if (!lconv) {
  							lconv = localeconv();
  						}
  #endif
  						s = php_conv_fp((*fmt == 'f')?'F':*fmt, fp_num, alternate_form,
  						 (adjust_precision == NO) ? FLOAT_DIGITS : precision,
  						 (*fmt == 'f')?LCONV_DECIMAL_POINT:'.',
  									&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 'k':
  				case 'G':
  				case 'H':
  					switch(modifier) {
  						case LM_LONG_DOUBLE:
  							fp_num = (double) va_arg(ap, long double);
  							break;
  						case LM_STD:
  							fp_num = va_arg(ap, double);
  							break;
  						default:
  							goto fmt_error;
  					}
  
  					if (zend_isnan(fp_num)) {
  						s = "NAN";
  						s_len = 3;
  						break;
  					} else if (zend_isinf(fp_num)) {
  						if (fp_num > 0) {
  							s = "INF";
  							s_len = 3;
  						} else {
  							s = "-INF";
  							s_len = 4;
  						}
  						break;
  					}
  
  					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
  					 */
  #ifdef HAVE_LOCALE_H
  					if (!lconv) {
  						lconv = localeconv();
  					}
  #endif
  					s = php_gcvt(fp_num, precision, (*fmt=='H' || *fmt == 'k') ? '.' : LCONV_DECIMAL_POINT, (*fmt == 'G' || *fmt == 'H')?'E':'e', &num_buf[1]);
  					if (*s == '-') {
  						prefix_char = *s++;
  					} else if (print_sign) {
  						prefix_char = '+';
  					} else if (print_blank) {
  						prefix_char = ' ';
  					}
  
  					s_len = strlen(s);
  
  					if (alternate_form && (strchr(s, '.')) == NULL) {
  						s[s_len++] = '.';
  					}
  					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;
  					goto skip_output;
  
  					/*
  					 * Always extract the argument as a "char *" pointer. We
  					 * should be using "void *" but there are still machines
  					 * that don't understand it.
  					 * 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':
  					if (sizeof(char *) <= sizeof(u_wide_int)) {
  						ui_num = (u_wide_int)((size_t) va_arg(ap, char *));
  						s = ap_php_conv_p2(ui_num, 4, 'x',
  								&num_buf[NUM_BUF_SIZE], &s_len);
  						if (ui_num != 0) {
  							*--s = 'x';
  							*--s = '0';
  							s_len += 2;
  						}
  					} else {
  						s = "%p";
  						s_len = 2;
  					}
  					pad_char = ' ';
  					break;
  
  
  				case NUL:
  					/*
  					 * The last character of the format string was %.
  					 * We ignore it.
  					 */
  					continue;
  
  
  fmt_error:
  				php_error(E_ERROR, "Illegal length modifier specified '%c' in s[np]printf call", *fmt);
  					/*
  					 * The default case is for unrecognized %'s.
  					 * We print %<char> 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 %<char> (like syslog).
  					 * Note that we can't point s inside fmt because the
  					 * unknown <char> 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 = 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);
  			if (free_zcopy) {
  				zval_dtor(&zcopy);
  			}
  		}
  skip_output:
  		if (free_s) {
  			efree(free_s);
  			free_s = NULL;
  		}
  
  		fmt++;
  	}
  	odp->nextb = sp;
  	return (cc);
  }
  
  static void strx_printv(int *ccp, char *buf, size_t len, const char *format, zend_bool escape_xml, va_list ap) {
  	buffy od;
  	int cc;
  
  	/*
  	 * First initialize the descriptor
  	 * Notice that if no length is given, we initialize buf_end to the
  	 * highest possible address.
  	 */
  	if (len == 0) {
  		od.buf_end = (char *) ~0;
  		od.nextb   = (char *) ~0;
  	} else {
  		od.buf_end = &buf[len-1];
  		od.nextb   = buf;
  	}
  
  	/*
  	 * Do the conversion
  	 */
  	cc = format_converter(&od, format, escape_xml, ap);
  	if (len != 0 && od.nextb <= od.buf_end) {
  		*(od.nextb) = '\0';
  	}
  	if (ccp) {
  		*ccp = cc;
  	}
  }
  
  static int phpdbg_xml_vsnprintf(char *buf, size_t len, const char *format, zend_bool escape_xml, va_list ap) {
  	int cc;
  
  	strx_printv(&cc, buf, len, format, escape_xml, ap);
  	return (cc);
  }
  
  PHPDBG_API int phpdbg_xml_vasprintf(char **buf, const char *format, zend_bool escape_xml, va_list ap) {
  	va_list ap2;
  	int cc;
  
  	va_copy(ap2, ap);
  	cc = phpdbg_xml_vsnprintf(NULL, 0, format, escape_xml, ap2);
  	va_end(ap2);
  
  	*buf = NULL;
  
  	if (cc >= 0) {
  		if ((*buf = emalloc(++cc)) != NULL) {
  			if ((cc = phpdbg_xml_vsnprintf(*buf, cc, format, escape_xml, ap)) < 0) {
  				efree(*buf);
  				*buf = NULL;
  			}
  		}
  	}
  
  	return cc;
  }
  /* copy end */
  
  PHPDBG_API int _phpdbg_xml_asprintf(char **buf, const char *format, zend_bool escape_xml, ...) {
  	int ret;
  	va_list va;
  
  	va_start(va, escape_xml);
  	ret = phpdbg_xml_vasprintf(buf, format, escape_xml, va);
  	va_end(va);
  
  	return ret;
  }
  
  PHPDBG_API int _phpdbg_asprintf(char **buf, const char *format, ...) {
  	int ret;
  	va_list va;
  
  	va_start(va, format);
  	ret = phpdbg_xml_vasprintf(buf, format, 0, va);
  	va_end(va);
  
  	return ret;
  }
  
  static int phpdbg_encode_xml(char **buf, char *msg, int msglen, int from, char *to) {
  	int i;
  	int tolen = to ? strlen(to) : 5;
  	char *tmp = *buf = emalloc(msglen * tolen);
  	for (i = 0; i++ < msglen; msg++) {
  		if (*msg == '&') {
  			memcpy(tmp, ZEND_STRL("&amp;"));
  			tmp += sizeof("&amp;") - 1;
  		} else if (*msg == '<') {
  			memcpy(tmp, ZEND_STRL("&lt;"));
  			tmp += sizeof("&lt;") - 1;
  		} else if (((int) *msg) == from) {
  			memcpy(tmp, to, tolen);
  			tmp += tolen;
  		} else {
  			*tmp++ = *msg;
  		}
  	}
  
  	{
  		int len = tmp - *buf;
  		*buf = erealloc(*buf, len + 1);
  		return len;
  	}
  }
  
  static void phpdbg_encode_ctrl_chars(char **buf, int *buflen) {
  	char *tmp, *tmpptr;
  	int len;
  	int i;
  
  	tmp = tmpptr = emalloc(*buflen * 5);
  
  	for (i = 0; i < *buflen; i++) {
  		if ((*buf)[i] < 0x20) {
  			*tmpptr++ = '&';
  			*tmpptr++ = '#';
  			if ((unsigned int) ((*buf)[i]) > 9) {
  				*tmpptr++ = ((*buf)[i] / 10) + '0';
  			}
  			*tmpptr++ = ((*buf)[i] % 10) + '0';
  			*tmpptr++ = ';';
  		} else {
  			*tmpptr++ = (*buf)[i];
  		}
  	}
  
  	len = tmpptr - tmp;
  
  	efree(*buf);
  	*buf = erealloc(tmp, len + 1);
  	*buflen = len;
  }
  
  static int phpdbg_process_print(int fd, int type, const char *tag, const char *msg, int msglen, const char *xml, int xmllen) {
  	char *msgout = NULL, *buf;
  	int msgoutlen, xmloutlen, buflen;
  	const char *severity;
  
  	if ((PHPDBG_G(flags) & PHPDBG_WRITE_XML) && PHPDBG_G(in_script_xml) && PHPDBG_G(in_script_xml) != type) {
  		phpdbg_mixed_write(fd, ZEND_STRL("</stream>"));
  		PHPDBG_G(in_script_xml) = 0;
  	}
  
  	switch (type) {
  		case P_ERROR:
  			severity = "error";
  			if (!PHPDBG_G(last_was_newline)) {
  				if (PHPDBG_G(flags) & PHPDBG_WRITE_XML) {
  					phpdbg_mixed_write(fd, ZEND_STRL("<phpdbg>\n" "</phpdbg>"));
  				} else {
  					phpdbg_mixed_write(fd, ZEND_STRL("\n"));
  				}
  				PHPDBG_G(last_was_newline) = 1;
  			}
  			if (PHPDBG_G(flags) & PHPDBG_IS_COLOURED) {
  				msgoutlen = phpdbg_asprintf(&msgout, "\033[%sm[%.*s]\033[0m\n", PHPDBG_G(colors)[PHPDBG_COLOR_ERROR]->code, msglen, msg);
  			} else {
  				msgoutlen = phpdbg_asprintf(&msgout, "[%.*s]\n", msglen, msg);
  			}
  			break;
  
  		case P_NOTICE:
  			severity = "notice";
  			if (!PHPDBG_G(last_was_newline)) {
  				if (PHPDBG_G(flags) & PHPDBG_WRITE_XML) {
  					phpdbg_mixed_write(fd, ZEND_STRL("<phpdbg>\n" "</phpdbg>"));
  				} else {
  					phpdbg_mixed_write(fd, ZEND_STRL("\n"));
  				}
  				PHPDBG_G(last_was_newline) = 1;
  			}
  			if (PHPDBG_G(flags) & PHPDBG_IS_COLOURED) {
  				msgoutlen = phpdbg_asprintf(&msgout, "\033[%sm[%.*s]\033[0m\n", PHPDBG_G(colors)[PHPDBG_COLOR_NOTICE]->code, msglen, msg);
  			} else {
  				msgoutlen = phpdbg_asprintf(&msgout, "[%.*s]\n", msglen, msg);
  			}
  			break;
  
  		case P_WRITELN:
  			severity = "normal";
  			if (msg) {
  				msgoutlen = phpdbg_asprintf(&msgout, "%.*s\n", msglen, msg);
  			} else {
  				msgoutlen = 1;
  				msgout = estrdup("\n");
  			}
  			PHPDBG_G(last_was_newline) = 1;
  			break;
  
  		case P_WRITE:
  			severity = "normal";
  			if (msg) {
  				msgout = estrndup(msg, msglen);
  				msgoutlen = msglen;
  				PHPDBG_G(last_was_newline) = msg[msglen - 1] == '\n';
  			} else {
  				msgoutlen = 0;
  				msgout = estrdup("");
  			}
  			break;
  
  		case P_STDOUT:
  		case P_STDERR:
  			if (msg) {
  				PHPDBG_G(last_was_newline) = msg[msglen - 1] == '\n';
  				if (PHPDBG_G(flags) & PHPDBG_WRITE_XML) {
  					zend_string *encoded;
  
  					if (PHPDBG_G(in_script_xml) != type) {
  						char *stream_buf;
  						int stream_buflen = phpdbg_asprintf(&stream_buf, "<stream type=\"%s\">", type == P_STDERR ? "stderr" : "stdout");
  						phpdbg_mixed_write(fd, stream_buf, stream_buflen);
  						efree(stream_buf);
  						PHPDBG_G(in_script_xml) = type;
  					}
  					encoded = php_escape_html_entities((unsigned char *) msg, msglen, 0, ENT_NOQUOTES, PG(internal_encoding) && PG(internal_encoding)[0] ? PG(internal_encoding) : (SG(default_charset) ? SG(default_charset) : "UTF-8"));
  					buflen = ZSTR_LEN(encoded);
  					memcpy(buf = emalloc(buflen + 1), ZSTR_VAL(encoded), buflen);
  					phpdbg_encode_ctrl_chars(&buf, &buflen);
  					phpdbg_mixed_write(fd, buf, buflen);
  					efree(buf);
  				} else {
  					phpdbg_mixed_write(fd, msg, msglen);
  				}
  				return msglen;
  			}
  		break;
  
  		/* no formatting on logging output */
  		case P_LOG:
  			severity = "log";
  			if (msg) {
  				struct timeval tp;
  				if (gettimeofday(&tp, NULL) == SUCCESS) {
  					msgoutlen = phpdbg_asprintf(&msgout, "[%ld %.8F]: %.*s\n", tp.tv_sec, tp.tv_usec / 1000000., msglen, msg);
  				} else {
  					msgoutlen = FAILURE;
  				}
  			}
  			break;
  	}
  
  	if (PHPDBG_G(flags) & PHPDBG_WRITE_XML) {
  		char *xmlout;
  
  		if (PHPDBG_G(req_id)) {
  			char *xmlbuf = NULL;
  			xmllen = phpdbg_asprintf(&xmlbuf, "req=\"%lu\" %.*s", PHPDBG_G(req_id), xmllen, xml);
  			xml = xmlbuf;
  		}
  		if (msgout) {
  			buflen = phpdbg_encode_xml(&buf, msgout, msgoutlen, '"', "&quot;");
  			xmloutlen = phpdbg_asprintf(&xmlout, "<%s severity=\"%s\" %.*s msgout=\"%.*s\" />", tag, severity, xmllen, xml, buflen, buf);
  
  			efree(buf);
  		} else {
  			xmloutlen = phpdbg_asprintf(&xmlout, "<%s severity=\"%s\" %.*s msgout=\"\" />", tag, severity, xmllen, xml);
  		}
  
  		phpdbg_encode_ctrl_chars(&xmlout, &xmloutlen);
  		phpdbg_eol_convert(&xmlout, &xmloutlen);
  		phpdbg_mixed_write(fd, xmlout, xmloutlen);
  		efree(xmlout);
  	} else if (msgout) {
  		phpdbg_eol_convert(&msgout, &msgoutlen);
  		phpdbg_mixed_write(fd, msgout, msgoutlen);
  	}
  
  	if (PHPDBG_G(req_id) && (PHPDBG_G(flags) & PHPDBG_WRITE_XML)) {
  		efree((char *) xml);
  	}
  
  	if (msgout) {
  		efree(msgout);
  	}
  
  	return msgout ? msgoutlen : xmloutlen;
  } /* }}} */
  
  PHPDBG_API int phpdbg_vprint(int type, int fd, const char *tag, const char *xmlfmt, const char *strfmt, va_list args) {
  	char *msg = NULL, *xml = NULL;
  	int msglen = 0, xmllen = 0;
  	int len;
  	va_list argcpy;
  
  	if (strfmt != NULL && strlen(strfmt) > 0L) {
  		va_copy(argcpy, args);
  		msglen = phpdbg_xml_vasprintf(&msg, strfmt, 0, argcpy);
  		va_end(argcpy);
  	}
  
  	if (PHPDBG_G(flags) & PHPDBG_WRITE_XML) {
  		if (xmlfmt != NULL && strlen(xmlfmt) > 0L) {
  			va_copy(argcpy, args);
  			xmllen = phpdbg_xml_vasprintf(&xml, xmlfmt, 1, argcpy);
  			va_end(argcpy);
  		} else {
  			xml = estrdup("");
  		}
  	}
  
  	if (PHPDBG_G(err_buf).active && type != P_STDOUT && type != P_STDERR) {
  		phpdbg_free_err_buf();
  
  		PHPDBG_G(err_buf).type = type;
  		PHPDBG_G(err_buf).fd = fd;
  		PHPDBG_G(err_buf).tag = estrdup(tag);
  		PHPDBG_G(err_buf).msg = msg;
  		PHPDBG_G(err_buf).msglen = msglen;
  		if (PHPDBG_G(flags) & PHPDBG_WRITE_XML) {
  			PHPDBG_G(err_buf).xml = xml;
  			PHPDBG_G(err_buf).xmllen = xmllen;
  		}
  
  		return msglen;
  	}
  
  	len = phpdbg_process_print(fd, type, tag, msg, msglen, xml, xmllen);
  
  	if (msg) {
  		efree(msg);
  	}
  
  	if (xml) {
  		efree(xml);
  	}
  
  	return len;
  }
  
  PHPDBG_API void phpdbg_free_err_buf(void) {
  	if (PHPDBG_G(err_buf).type == 0) {
  		return;
  	}
  
  	PHPDBG_G(err_buf).type = 0;
  
  	efree(PHPDBG_G(err_buf).tag);
  	efree(PHPDBG_G(err_buf).msg);
  	if (PHPDBG_G(flags) & PHPDBG_WRITE_XML) {
  		efree(PHPDBG_G(err_buf).xml);
  	}
  }
  
  PHPDBG_API void phpdbg_activate_err_buf(zend_bool active) {
  	PHPDBG_G(err_buf).active = active;
  }
  
  PHPDBG_API int phpdbg_output_err_buf(const char *tag, const char *xmlfmt, const char *strfmt, ...) {
  	int len;
  	va_list args;
  	int errbuf_active = PHPDBG_G(err_buf).active;
  
  	if (PHPDBG_G(flags) & PHPDBG_DISCARD_OUTPUT) {
  		return 0;
  	}
  
  	PHPDBG_G(err_buf).active = 0;
  
  	va_start(args, strfmt);
  	len = phpdbg_vprint(PHPDBG_G(err_buf).type, PHPDBG_G(err_buf).fd, tag ? tag : PHPDBG_G(err_buf).tag, xmlfmt, strfmt, args);
  	va_end(args);
  
  	PHPDBG_G(err_buf).active = errbuf_active;
  	phpdbg_free_err_buf();
  
  	return len;
  }
  
  PHPDBG_API int phpdbg_print(int type, int fd, const char *tag, const char *xmlfmt, const char *strfmt, ...) {
  	va_list args;
  	int len;
  
  	if (PHPDBG_G(flags) & PHPDBG_DISCARD_OUTPUT) {
  		return 0;
  	}
  
  	va_start(args, strfmt);
  	len = phpdbg_vprint(type, fd, tag, xmlfmt, strfmt, args);
  	va_end(args);
  
  	return len;
  }
  
  PHPDBG_API int phpdbg_xml_internal(int fd, const char *fmt, ...) {
  	int len = 0;
  
  	if (PHPDBG_G(flags) & PHPDBG_DISCARD_OUTPUT) {
  		return 0;
  	}
  
  	if (PHPDBG_G(flags) & PHPDBG_WRITE_XML) {
  		va_list args;
  		char *buffer;
  		int buflen;
  
  		va_start(args, fmt);
  		buflen = phpdbg_xml_vasprintf(&buffer, fmt, 1, args);
  		va_end(args);
  
  		phpdbg_encode_ctrl_chars(&buffer, &buflen);
  
  		if (PHPDBG_G(in_script_xml)) {
  			phpdbg_mixed_write(fd, ZEND_STRL("</stream>"));
  			PHPDBG_G(in_script_xml) = 0;
  		}
  
  		len = phpdbg_mixed_write(fd, buffer, buflen);
  		efree(buffer);
  	}
  
  	return len;
  }
  
  PHPDBG_API int phpdbg_log_internal(int fd, const char *fmt, ...) {
  	va_list args;
  	char *buffer;
  	int buflen;
  	int len = 0;
  
  	va_start(args, fmt);
  	buflen = phpdbg_xml_vasprintf(&buffer, fmt, 0, args);
  	va_end(args);
  
  	len = phpdbg_mixed_write(fd, buffer, buflen);
  	efree(buffer);
  
  	return len;
  }
  
  PHPDBG_API int phpdbg_out_internal(int fd, const char *fmt, ...) {
  	va_list args;
  	char *buffer;
  	int buflen;
  	int len = 0;
  
  	if (PHPDBG_G(flags) & PHPDBG_DISCARD_OUTPUT) {
  		return 0;
  	}
  
  	va_start(args, fmt);
  	buflen = phpdbg_xml_vasprintf(&buffer, fmt, 0, args);
  	va_end(args);
  
  	if (PHPDBG_G(flags) & PHPDBG_WRITE_XML) {
  		char *msg;
  		int msglen;
  
  		msglen = phpdbg_encode_xml(&msg, buffer, buflen, 256, NULL);
  		phpdbg_encode_ctrl_chars(&msg, &msglen);
  		phpdbg_eol_convert(&msg, &msglen);
  
  		if (PHPDBG_G(in_script_xml)) {
  			phpdbg_mixed_write(fd, ZEND_STRL("</stream>"));
  			PHPDBG_G(in_script_xml) = 0;
  		}
  
  		phpdbg_mixed_write(fd, ZEND_STRL("<phpdbg>"));
  		len = phpdbg_mixed_write(fd, msg, msglen);
  		phpdbg_mixed_write(fd, ZEND_STRL("</phpdbg>"));
  	} else {
  		phpdbg_eol_convert(&buffer, &buflen);
  		len = phpdbg_mixed_write(fd, buffer, buflen);
  	}
  
  	return len;
  }
  
  
  PHPDBG_API int phpdbg_rlog_internal(int fd, const char *fmt, ...) { /* {{{ */
  	int rc = 0;
  
  	va_list args;
  	struct timeval tp;
  
  	va_start(args, fmt);
  	if (gettimeofday(&tp, NULL) == SUCCESS) {
  		char friendly[100];
  		char *format = NULL, *buffer = NULL, *outbuf = NULL;
  		const time_t tt = tp.tv_sec;
  
  #ifdef PHP_WIN32
  		strftime(friendly, 100, "%a %b %d %H.%%04d %Y", localtime(&tt));
  #else
  		strftime(friendly, 100, "%a %b %d %T.%%04d %Y", localtime(&tt));
  #endif
  		phpdbg_asprintf(&buffer, friendly, tp.tv_usec/1000);
  		phpdbg_asprintf(&format, "[%s]: %s\n", buffer, fmt);
  		rc = phpdbg_xml_vasprintf(&outbuf, format, 0, args);
  
  		if (outbuf) {
  			rc = phpdbg_mixed_write(fd, outbuf, rc);
  			efree(outbuf);
  		}
  
  		efree(format);
  		efree(buffer);
  	}
  	va_end(args);
  
  	return rc;
  } /* }}} */
  