reinstall libxml2/libxslt

1 files changed, 0 insertions, 1046 deletions

diff --git a/libxml2/xmlstring.c b/libxml2/xmlstring.c
deleted file mode 100644
index cc85777..0000000
--- a/libxml2/xmlstring.c
+++ /dev/null
@@ -1,1046 +0,0 @@
-/*
- * string.c : an XML string utilities module
- *
- * This module provides various utility functions for manipulating
- * the xmlChar* type. All functions named xmlStr* have been moved here
- * from the parser.c file (their original home).
- *
- * See Copyright for the status of this software.
- *
- * UTF8 string routines from:
- * William Brack <wbrack@mmm.com.hk>
- *
- * daniel@veillard.com
- */
-
-#define IN_LIBXML
-#include "libxml.h"
-
-#include <stdlib.h>
-#include <string.h>
-#include <libxml/xmlmemory.h>
-#include <libxml/parserInternals.h>
-#include <libxml/xmlstring.h>
-
-/************************************************************************
- *                                                                      *
- *                Commodity functions to handle xmlChars                *
- *                                                                      *
- ************************************************************************/
-
-/**
- * xmlStrndup:
- * @cur:  the input xmlChar *
- * @len:  the len of @cur
- *
- * a strndup for array of xmlChar's
- *
- * Returns a new xmlChar * or NULL
- */
-xmlChar *
-xmlStrndup(const xmlChar *cur, int len) {
-    xmlChar *ret;
-
-    if ((cur == NULL) || (len < 0)) return(NULL);
-    ret = (xmlChar *) xmlMallocAtomic((len + 1) * sizeof(xmlChar));
-    if (ret == NULL) {
-        xmlErrMemory(NULL, NULL);
-        return(NULL);
-    }
-    memcpy(ret, cur, len * sizeof(xmlChar));
-    ret[len] = 0;
-    return(ret);
-}
-
-/**
- * xmlStrdup:
- * @cur:  the input xmlChar *
- *
- * a strdup for array of xmlChar's. Since they are supposed to be
- * encoded in UTF-8 or an encoding with 8bit based chars, we assume
- * a termination mark of '0'.
- *
- * Returns a new xmlChar * or NULL
- */
-xmlChar *
-xmlStrdup(const xmlChar *cur) {
-    const xmlChar *p = cur;
-
-    if (cur == NULL) return(NULL);
-    while (*p != 0) p++; /* non input consuming */
-    return(xmlStrndup(cur, p - cur));
-}
-
-/**
- * xmlCharStrndup:
- * @cur:  the input char *
- * @len:  the len of @cur
- *
- * a strndup for char's to xmlChar's
- *
- * Returns a new xmlChar * or NULL
- */
-
-xmlChar *
-xmlCharStrndup(const char *cur, int len) {
-    int i;
-    xmlChar *ret;
-
-    if ((cur == NULL) || (len < 0)) return(NULL);
-    ret = (xmlChar *) xmlMallocAtomic((len + 1) * sizeof(xmlChar));
-    if (ret == NULL) {
-        xmlErrMemory(NULL, NULL);
-        return(NULL);
-    }
-    for (i = 0;i < len;i++) {
-        ret[i] = (xmlChar) cur[i];
-        if (ret[i] == 0) return(ret);
-    }
-    ret[len] = 0;
-    return(ret);
-}
-
-/**
- * xmlCharStrdup:
- * @cur:  the input char *
- *
- * a strdup for char's to xmlChar's
- *
- * Returns a new xmlChar * or NULL
- */
-
-xmlChar *
-xmlCharStrdup(const char *cur) {
-    const char *p = cur;
-
-    if (cur == NULL) return(NULL);
-    while (*p != '\0') p++; /* non input consuming */
-    return(xmlCharStrndup(cur, p - cur));
-}
-
-/**
- * xmlStrcmp:
- * @str1:  the first xmlChar *
- * @str2:  the second xmlChar *
- *
- * a strcmp for xmlChar's
- *
- * Returns the integer result of the comparison
- */
-
-int
-xmlStrcmp(const xmlChar *str1, const xmlChar *str2) {
-    register int tmp;
-
-    if (str1 == str2) return(0);
-    if (str1 == NULL) return(-1);
-    if (str2 == NULL) return(1);
-    do {
-        tmp = *str1++ - *str2;
-        if (tmp != 0) return(tmp);
-    } while (*str2++ != 0);
-    return 0;
-}
-
-/**
- * xmlStrEqual:
- * @str1:  the first xmlChar *
- * @str2:  the second xmlChar *
- *
- * Check if both strings are equal of have same content.
- * Should be a bit more readable and faster than xmlStrcmp()
- *
- * Returns 1 if they are equal, 0 if they are different
- */
-
-int
-xmlStrEqual(const xmlChar *str1, const xmlChar *str2) {
-    if (str1 == str2) return(1);
-    if (str1 == NULL) return(0);
-    if (str2 == NULL) return(0);
-    do {
-        if (*str1++ != *str2) return(0);
-    } while (*str2++);
-    return(1);
-}
-
-/**
- * xmlStrQEqual:
- * @pref:  the prefix of the QName
- * @name:  the localname of the QName
- * @str:  the second xmlChar *
- *
- * Check if a QName is Equal to a given string
- *
- * Returns 1 if they are equal, 0 if they are different
- */
-
-int
-xmlStrQEqual(const xmlChar *pref, const xmlChar *name, const xmlChar *str) {
-    if (pref == NULL) return(xmlStrEqual(name, str));
-    if (name == NULL) return(0);
-    if (str == NULL) return(0);
-
-    do {
-        if (*pref++ != *str) return(0);
-    } while ((*str++) && (*pref));
-    if (*str++ != ':') return(0);
-    do {
-        if (*name++ != *str) return(0);
-    } while (*str++);
-    return(1);
-}
-
-/**
- * xmlStrncmp:
- * @str1:  the first xmlChar *
- * @str2:  the second xmlChar *
- * @len:  the max comparison length
- *
- * a strncmp for xmlChar's
- *
- * Returns the integer result of the comparison
- */
-
-int
-xmlStrncmp(const xmlChar *str1, const xmlChar *str2, int len) {
-    register int tmp;
-
-    if (len <= 0) return(0);
-    if (str1 == str2) return(0);
-    if (str1 == NULL) return(-1);
-    if (str2 == NULL) return(1);
-#ifdef __GNUC__
-    tmp = strncmp((const char *)str1, (const char *)str2, len);
-    return tmp;
-#else
-    do {
-        tmp = *str1++ - *str2;
-        if (tmp != 0 || --len == 0) return(tmp);
-    } while (*str2++ != 0);
-    return 0;
-#endif
-}
-
-static const xmlChar casemap[256] = {
-    0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,
-    0x08,0x09,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F,
-    0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17,
-    0x18,0x19,0x1A,0x1B,0x1C,0x1D,0x1E,0x1F,
-    0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,
-    0x28,0x29,0x2A,0x2B,0x2C,0x2D,0x2E,0x2F,
-    0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,
-    0x38,0x39,0x3A,0x3B,0x3C,0x3D,0x3E,0x3F,
-    0x40,0x61,0x62,0x63,0x64,0x65,0x66,0x67,
-    0x68,0x69,0x6A,0x6B,0x6C,0x6D,0x6E,0x6F,
-    0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77,
-    0x78,0x79,0x7A,0x7B,0x5C,0x5D,0x5E,0x5F,
-    0x60,0x61,0x62,0x63,0x64,0x65,0x66,0x67,
-    0x68,0x69,0x6A,0x6B,0x6C,0x6D,0x6E,0x6F,
-    0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77,
-    0x78,0x79,0x7A,0x7B,0x7C,0x7D,0x7E,0x7F,
-    0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,
-    0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,
-    0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,
-    0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F,
-    0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,
-    0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,
-    0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,
-    0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF,
-    0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,
-    0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,
-    0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,
-    0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF,
-    0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,
-    0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,
-    0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,
-    0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF
-};
-
-/**
- * xmlStrcasecmp:
- * @str1:  the first xmlChar *
- * @str2:  the second xmlChar *
- *
- * a strcasecmp for xmlChar's
- *
- * Returns the integer result of the comparison
- */
-
-int
-xmlStrcasecmp(const xmlChar *str1, const xmlChar *str2) {
-    register int tmp;
-
-    if (str1 == str2) return(0);
-    if (str1 == NULL) return(-1);
-    if (str2 == NULL) return(1);
-    do {
-        tmp = casemap[*str1++] - casemap[*str2];
-        if (tmp != 0) return(tmp);
-    } while (*str2++ != 0);
-    return 0;
-}
-
-/**
- * xmlStrncasecmp:
- * @str1:  the first xmlChar *
- * @str2:  the second xmlChar *
- * @len:  the max comparison length
- *
- * a strncasecmp for xmlChar's
- *
- * Returns the integer result of the comparison
- */
-
-int
-xmlStrncasecmp(const xmlChar *str1, const xmlChar *str2, int len) {
-    register int tmp;
-
-    if (len <= 0) return(0);
-    if (str1 == str2) return(0);
-    if (str1 == NULL) return(-1);
-    if (str2 == NULL) return(1);
-    do {
-        tmp = casemap[*str1++] - casemap[*str2];
-        if (tmp != 0 || --len == 0) return(tmp);
-    } while (*str2++ != 0);
-    return 0;
-}
-
-/**
- * xmlStrchr:
- * @str:  the xmlChar * array
- * @val:  the xmlChar to search
- *
- * a strchr for xmlChar's
- *
- * Returns the xmlChar * for the first occurrence or NULL.
- */
-
-const xmlChar *
-xmlStrchr(const xmlChar *str, xmlChar val) {
-    if (str == NULL) return(NULL);
-    while (*str != 0) { /* non input consuming */
-        if (*str == val) return((xmlChar *) str);
-        str++;
-    }
-    return(NULL);
-}
-
-/**
- * xmlStrstr:
- * @str:  the xmlChar * array (haystack)
- * @val:  the xmlChar to search (needle)
- *
- * a strstr for xmlChar's
- *
- * Returns the xmlChar * for the first occurrence or NULL.
- */
-
-const xmlChar *
-xmlStrstr(const xmlChar *str, const xmlChar *val) {
-    int n;
-
-    if (str == NULL) return(NULL);
-    if (val == NULL) return(NULL);
-    n = xmlStrlen(val);
-
-    if (n == 0) return(str);
-    while (*str != 0) { /* non input consuming */
-        if (*str == *val) {
-            if (!xmlStrncmp(str, val, n)) return((const xmlChar *) str);
-        }
-        str++;
-    }
-    return(NULL);
-}
-
-/**
- * xmlStrcasestr:
- * @str:  the xmlChar * array (haystack)
- * @val:  the xmlChar to search (needle)
- *
- * a case-ignoring strstr for xmlChar's
- *
- * Returns the xmlChar * for the first occurrence or NULL.
- */
-
-const xmlChar *
-xmlStrcasestr(const xmlChar *str, const xmlChar *val) {
-    int n;
-
-    if (str == NULL) return(NULL);
-    if (val == NULL) return(NULL);
-    n = xmlStrlen(val);
-
-    if (n == 0) return(str);
-    while (*str != 0) { /* non input consuming */
-        if (casemap[*str] == casemap[*val])
-            if (!xmlStrncasecmp(str, val, n)) return(str);
-        str++;
-    }
-    return(NULL);
-}
-
-/**
- * xmlStrsub:
- * @str:  the xmlChar * array (haystack)
- * @start:  the index of the first char (zero based)
- * @len:  the length of the substring
- *
- * Extract a substring of a given string
- *
- * Returns the xmlChar * for the first occurrence or NULL.
- */
-
-xmlChar *
-xmlStrsub(const xmlChar *str, int start, int len) {
-    int i;
-
-    if (str == NULL) return(NULL);
-    if (start < 0) return(NULL);
-    if (len < 0) return(NULL);
-
-    for (i = 0;i < start;i++) {
-        if (*str == 0) return(NULL);
-        str++;
-    }
-    if (*str == 0) return(NULL);
-    return(xmlStrndup(str, len));
-}
-
-/**
- * xmlStrlen:
- * @str:  the xmlChar * array
- *
- * length of a xmlChar's string
- *
- * Returns the number of xmlChar contained in the ARRAY.
- */
-
-int
-xmlStrlen(const xmlChar *str) {
-    int len = 0;
-
-    if (str == NULL) return(0);
-    while (*str != 0) { /* non input consuming */
-        str++;
-        len++;
-    }
-    return(len);
-}
-
-/**
- * xmlStrncat:
- * @cur:  the original xmlChar * array
- * @add:  the xmlChar * array added
- * @len:  the length of @add
- *
- * a strncat for array of xmlChar's, it will extend @cur with the len
- * first bytes of @add. Note that if @len < 0 then this is an API error
- * and NULL will be returned.
- *
- * Returns a new xmlChar *, the original @cur is reallocated if needed
- * and should not be freed
- */
-
-xmlChar *
-xmlStrncat(xmlChar *cur, const xmlChar *add, int len) {
-    int size;
-    xmlChar *ret;
-
-    if ((add == NULL) || (len == 0))
-        return(cur);
-    if (len < 0)
-	return(NULL);
-    if (cur == NULL)
-        return(xmlStrndup(add, len));
-
-    size = xmlStrlen(cur);
-    if (size < 0)
-        return(NULL);
-    ret = (xmlChar *) xmlRealloc(cur, (size + len + 1) * sizeof(xmlChar));
-    if (ret == NULL) {
-        xmlErrMemory(NULL, NULL);
-        return(cur);
-    }
-    memcpy(&ret[size], add, len * sizeof(xmlChar));
-    ret[size + len] = 0;
-    return(ret);
-}
-
-/**
- * xmlStrncatNew:
- * @str1:  first xmlChar string
- * @str2:  second xmlChar string
- * @len:  the len of @str2 or < 0
- *
- * same as xmlStrncat, but creates a new string.  The original
- * two strings are not freed. If @len is < 0 then the length
- * will be calculated automatically.
- *
- * Returns a new xmlChar * or NULL
- */
-xmlChar *
-xmlStrncatNew(const xmlChar *str1, const xmlChar *str2, int len) {
-    int size;
-    xmlChar *ret;
-
-    if (len < 0) {
-        len = xmlStrlen(str2);
-        if (len < 0)
-            return(NULL);
-    }
-    if ((str2 == NULL) || (len == 0))
-        return(xmlStrdup(str1));
-    if (str1 == NULL)
-        return(xmlStrndup(str2, len));
-
-    size = xmlStrlen(str1);
-    if (size < 0)
-        return(NULL);
-    ret = (xmlChar *) xmlMalloc((size + len + 1) * sizeof(xmlChar));
-    if (ret == NULL) {
-        xmlErrMemory(NULL, NULL);
-        return(xmlStrndup(str1, size));
-    }
-    memcpy(ret, str1, size * sizeof(xmlChar));
-    memcpy(&ret[size], str2, len * sizeof(xmlChar));
-    ret[size + len] = 0;
-    return(ret);
-}
-
-/**
- * xmlStrcat:
- * @cur:  the original xmlChar * array
- * @add:  the xmlChar * array added
- *
- * a strcat for array of xmlChar's. Since they are supposed to be
- * encoded in UTF-8 or an encoding with 8bit based chars, we assume
- * a termination mark of '0'.
- *
- * Returns a new xmlChar * containing the concatenated string.
- */
-xmlChar *
-xmlStrcat(xmlChar *cur, const xmlChar *add) {
-    const xmlChar *p = add;
-
-    if (add == NULL) return(cur);
-    if (cur == NULL)
-        return(xmlStrdup(add));
-
-    while (*p != 0) p++; /* non input consuming */
-    return(xmlStrncat(cur, add, p - add));
-}
-
-/**
- * xmlStrPrintf:
- * @buf:   the result buffer.
- * @len:   the result buffer length.
- * @msg:   the message with printf formatting.
- * @...:   extra parameters for the message.
- *
- * Formats @msg and places result into @buf.
- *
- * Returns the number of characters written to @buf or -1 if an error occurs.
- */
-int XMLCDECL
-xmlStrPrintf(xmlChar *buf, int len, const char *msg, ...) {
-    va_list args;
-    int ret;
-
-    if((buf == NULL) || (msg == NULL)) {
-        return(-1);
-    }
-
-    va_start(args, msg);
-    ret = vsnprintf((char *) buf, len, (const char *) msg, args);
-    va_end(args);
-    buf[len - 1] = 0; /* be safe ! */
-
-    return(ret);
-}
-
-/**
- * xmlStrVPrintf:
- * @buf:   the result buffer.
- * @len:   the result buffer length.
- * @msg:   the message with printf formatting.
- * @ap:    extra parameters for the message.
- *
- * Formats @msg and places result into @buf.
- *
- * Returns the number of characters written to @buf or -1 if an error occurs.
- */
-int
-xmlStrVPrintf(xmlChar *buf, int len, const char *msg, va_list ap) {
-    int ret;
-
-    if((buf == NULL) || (msg == NULL)) {
-        return(-1);
-    }
-
-    ret = vsnprintf((char *) buf, len, (const char *) msg, ap);
-    buf[len - 1] = 0; /* be safe ! */
-
-    return(ret);
-}
-
-/************************************************************************
- *                                                                      *
- *              Generic UTF8 handling routines                          *
- *                                                                      *
- * From rfc2044: encoding of the Unicode values on UTF-8:               *
- *                                                                      *
- * UCS-4 range (hex.)           UTF-8 octet sequence (binary)           *
- * 0000 0000-0000 007F   0xxxxxxx                                       *
- * 0000 0080-0000 07FF   110xxxxx 10xxxxxx                              *
- * 0000 0800-0000 FFFF   1110xxxx 10xxxxxx 10xxxxxx                     *
- *                                                                      *
- * I hope we won't use values > 0xFFFF anytime soon !                   *
- *                                                                      *
- ************************************************************************/
-
-
-/**
- * xmlUTF8Size:
- * @utf: pointer to the UTF8 character
- *
- * calculates the internal size of a UTF8 character
- *
- * returns the numbers of bytes in the character, -1 on format error
- */
-int
-xmlUTF8Size(const xmlChar *utf) {
-    xmlChar mask;
-    int len;
-
-    if (utf == NULL)
-        return -1;
-    if (*utf < 0x80)
-        return 1;
-    /* check valid UTF8 character */
-    if (!(*utf & 0x40))
-        return -1;
-    /* determine number of bytes in char */
-    len = 2;
-    for (mask=0x20; mask != 0; mask>>=1) {
-        if (!(*utf & mask))
-            return len;
-        len++;
-    }
-    return -1;
-}
-
-/**
- * xmlUTF8Charcmp:
- * @utf1: pointer to first UTF8 char
- * @utf2: pointer to second UTF8 char
- *
- * compares the two UCS4 values
- *
- * returns result of the compare as with xmlStrncmp
- */
-int
-xmlUTF8Charcmp(const xmlChar *utf1, const xmlChar *utf2) {
-
-    if (utf1 == NULL ) {
-        if (utf2 == NULL)
-            return 0;
-        return -1;
-    }
-    return xmlStrncmp(utf1, utf2, xmlUTF8Size(utf1));
-}
-
-/**
- * xmlUTF8Strlen:
- * @utf:  a sequence of UTF-8 encoded bytes
- *
- * compute the length of an UTF8 string, it doesn't do a full UTF8
- * checking of the content of the string.
- *
- * Returns the number of characters in the string or -1 in case of error
- */
-int
-xmlUTF8Strlen(const xmlChar *utf) {
-    int ret = 0;
-
-    if (utf == NULL)
-        return(-1);
-
-    while (*utf != 0) {
-        if (utf[0] & 0x80) {
-            if ((utf[1] & 0xc0) != 0x80)
-                return(-1);
-            if ((utf[0] & 0xe0) == 0xe0) {
-                if ((utf[2] & 0xc0) != 0x80)
-                    return(-1);
-                if ((utf[0] & 0xf0) == 0xf0) {
-                    if ((utf[0] & 0xf8) != 0xf0 || (utf[3] & 0xc0) != 0x80)
-                        return(-1);
-                    utf += 4;
-                } else {
-                    utf += 3;
-                }
-            } else {
-                utf += 2;
-            }
-        } else {
-            utf++;
-        }
-        ret++;
-    }
-    return(ret);
-}
-
-/**
- * xmlGetUTF8Char:
- * @utf:  a sequence of UTF-8 encoded bytes
- * @len:  a pointer to the minimum number of bytes present in
- *        the sequence.  This is used to assure the next character
- *        is completely contained within the sequence.
- *
- * Read the first UTF8 character from @utf
- *
- * Returns the char value or -1 in case of error, and sets *len to
- *        the actual number of bytes consumed (0 in case of error)
- */
-int
-xmlGetUTF8Char(const unsigned char *utf, int *len) {
-    unsigned int c;
-
-    if (utf == NULL)
-        goto error;
-    if (len == NULL)
-        goto error;
-    if (*len < 1)
-        goto error;
-
-    c = utf[0];
-    if (c & 0x80) {
-        if (*len < 2)
-            goto error;
-        if ((utf[1] & 0xc0) != 0x80)
-            goto error;
-        if ((c & 0xe0) == 0xe0) {
-            if (*len < 3)
-                goto error;
-            if ((utf[2] & 0xc0) != 0x80)
-                goto error;
-            if ((c & 0xf0) == 0xf0) {
-                if (*len < 4)
-                    goto error;
-                if ((c & 0xf8) != 0xf0 || (utf[3] & 0xc0) != 0x80)
-                    goto error;
-                *len = 4;
-                /* 4-byte code */
-                c = (utf[0] & 0x7) << 18;
-                c |= (utf[1] & 0x3f) << 12;
-                c |= (utf[2] & 0x3f) << 6;
-                c |= utf[3] & 0x3f;
-            } else {
-              /* 3-byte code */
-                *len = 3;
-                c = (utf[0] & 0xf) << 12;
-                c |= (utf[1] & 0x3f) << 6;
-                c |= utf[2] & 0x3f;
-            }
-        } else {
-          /* 2-byte code */
-            *len = 2;
-            c = (utf[0] & 0x1f) << 6;
-            c |= utf[1] & 0x3f;
-        }
-    } else {
-        /* 1-byte code */
-        *len = 1;
-    }
-    return(c);
-
-error:
-    if (len != NULL)
-	*len = 0;
-    return(-1);
-}
-
-/**
- * xmlCheckUTF8:
- * @utf: Pointer to putative UTF-8 encoded string.
- *
- * Checks @utf for being valid UTF-8. @utf is assumed to be
- * null-terminated. This function is not super-strict, as it will
- * allow longer UTF-8 sequences than necessary. Note that Java is
- * capable of producing these sequences if provoked. Also note, this
- * routine checks for the 4-byte maximum size, but does not check for
- * 0x10ffff maximum value.
- *
- * Return value: true if @utf is valid.
- **/
-int
-xmlCheckUTF8(const unsigned char *utf)
-{
-    int ix;
-    unsigned char c;
-
-    if (utf == NULL)
-        return(0);
-    /*
-     * utf is a string of 1, 2, 3 or 4 bytes.  The valid strings
-     * are as follows (in "bit format"):
-     *    0xxxxxxx                                      valid 1-byte
-     *    110xxxxx 10xxxxxx                             valid 2-byte
-     *    1110xxxx 10xxxxxx 10xxxxxx                    valid 3-byte
-     *    11110xxx 10xxxxxx 10xxxxxx 10xxxxxx           valid 4-byte
-     */
-    for (ix = 0; (c = utf[ix]);) {      /* string is 0-terminated */
-        if ((c & 0x80) == 0x00) {	/* 1-byte code, starts with 10 */
-            ix++;
-	} else if ((c & 0xe0) == 0xc0) {/* 2-byte code, starts with 110 */
-	    if ((utf[ix+1] & 0xc0 ) != 0x80)
-	        return 0;
-	    ix += 2;
-	} else if ((c & 0xf0) == 0xe0) {/* 3-byte code, starts with 1110 */
-	    if (((utf[ix+1] & 0xc0) != 0x80) ||
-	        ((utf[ix+2] & 0xc0) != 0x80))
-		    return 0;
-	    ix += 3;
-	} else if ((c & 0xf8) == 0xf0) {/* 4-byte code, starts with 11110 */
-	    if (((utf[ix+1] & 0xc0) != 0x80) ||
-	        ((utf[ix+2] & 0xc0) != 0x80) ||
-		((utf[ix+3] & 0xc0) != 0x80))
-		    return 0;
-	    ix += 4;
-	} else				/* unknown encoding */
-	    return 0;
-      }
-      return(1);
-}
-
-/**
- * xmlUTF8Strsize:
- * @utf:  a sequence of UTF-8 encoded bytes
- * @len:  the number of characters in the array
- *
- * storage size of an UTF8 string
- * the behaviour is not garanteed if the input string is not UTF-8
- *
- * Returns the storage size of
- * the first 'len' characters of ARRAY
- */
-
-int
-xmlUTF8Strsize(const xmlChar *utf, int len) {
-    const xmlChar   *ptr=utf;
-    xmlChar         ch;
-
-    if (utf == NULL)
-        return(0);
-
-    if (len <= 0)
-        return(0);
-
-    while ( len-- > 0) {
-        if ( !*ptr )
-            break;
-        if ( (ch = *ptr++) & 0x80)
-            while ((ch<<=1) & 0x80 ) {
-		if (*ptr == 0) break;
-                ptr++;
-	    }
-    }
-    return (ptr - utf);
-}
-
-
-/**
- * xmlUTF8Strndup:
- * @utf:  the input UTF8 *
- * @len:  the len of @utf (in chars)
- *
- * a strndup for array of UTF8's
- *
- * Returns a new UTF8 * or NULL
- */
-xmlChar *
-xmlUTF8Strndup(const xmlChar *utf, int len) {
-    xmlChar *ret;
-    int i;
-
-    if ((utf == NULL) || (len < 0)) return(NULL);
-    i = xmlUTF8Strsize(utf, len);
-    ret = (xmlChar *) xmlMallocAtomic((i + 1) * sizeof(xmlChar));
-    if (ret == NULL) {
-        xmlGenericError(xmlGenericErrorContext,
-                "malloc of %ld byte failed\n",
-                (len + 1) * (long)sizeof(xmlChar));
-        return(NULL);
-    }
-    memcpy(ret, utf, i * sizeof(xmlChar));
-    ret[i] = 0;
-    return(ret);
-}
-
-/**
- * xmlUTF8Strpos:
- * @utf:  the input UTF8 *
- * @pos:  the position of the desired UTF8 char (in chars)
- *
- * a function to provide the equivalent of fetching a
- * character from a string array
- *
- * Returns a pointer to the UTF8 character or NULL
- */
-const xmlChar *
-xmlUTF8Strpos(const xmlChar *utf, int pos) {
-    xmlChar ch;
-
-    if (utf == NULL) return(NULL);
-    if (pos < 0)
-        return(NULL);
-    while (pos--) {
-        if ((ch=*utf++) == 0) return(NULL);
-        if ( ch & 0x80 ) {
-            /* if not simple ascii, verify proper format */
-            if ( (ch & 0xc0) != 0xc0 )
-                return(NULL);
-            /* then skip over remaining bytes for this char */
-            while ( (ch <<= 1) & 0x80 )
-                if ( (*utf++ & 0xc0) != 0x80 )
-                    return(NULL);
-        }
-    }
-    return((xmlChar *)utf);
-}
-
-/**
- * xmlUTF8Strloc:
- * @utf:  the input UTF8 *
- * @utfchar:  the UTF8 character to be found
- *
- * a function to provide the relative location of a UTF8 char
- *
- * Returns the relative character position of the desired char
- * or -1 if not found
- */
-int
-xmlUTF8Strloc(const xmlChar *utf, const xmlChar *utfchar) {
-    int i, size;
-    xmlChar ch;
-
-    if (utf==NULL || utfchar==NULL) return -1;
-    size = xmlUTF8Strsize(utfchar, 1);
-        for(i=0; (ch=*utf) != 0; i++) {
-            if (xmlStrncmp(utf, utfchar, size)==0)
-                return(i);
-            utf++;
-            if ( ch & 0x80 ) {
-                /* if not simple ascii, verify proper format */
-                if ( (ch & 0xc0) != 0xc0 )
-                    return(-1);
-                /* then skip over remaining bytes for this char */
-                while ( (ch <<= 1) & 0x80 )
-                    if ( (*utf++ & 0xc0) != 0x80 )
-                        return(-1);
-            }
-        }
-
-    return(-1);
-}
-/**
- * xmlUTF8Strsub:
- * @utf:  a sequence of UTF-8 encoded bytes
- * @start: relative pos of first char
- * @len:   total number to copy
- *
- * Create a substring from a given UTF-8 string
- * Note:  positions are given in units of UTF-8 chars
- *
- * Returns a pointer to a newly created string
- * or NULL if any problem
- */
-
-xmlChar *
-xmlUTF8Strsub(const xmlChar *utf, int start, int len) {
-    int            i;
-    xmlChar ch;
-
-    if (utf == NULL) return(NULL);
-    if (start < 0) return(NULL);
-    if (len < 0) return(NULL);
-
-    /*
-     * Skip over any leading chars
-     */
-    for (i = 0;i < start;i++) {
-        if ((ch=*utf++) == 0) return(NULL);
-        if ( ch & 0x80 ) {
-            /* if not simple ascii, verify proper format */
-            if ( (ch & 0xc0) != 0xc0 )
-                return(NULL);
-            /* then skip over remaining bytes for this char */
-            while ( (ch <<= 1) & 0x80 )
-                if ( (*utf++ & 0xc0) != 0x80 )
-                    return(NULL);
-        }
-    }
-
-    return(xmlUTF8Strndup(utf, len));
-}
-
-/**
- * xmlEscapeFormatString:
- * @msg:  a pointer to the string in which to escape '%' characters.
- * Must be a heap-allocated buffer created by libxml2 that may be
- * returned, or that may be freed and replaced.
- *
- * Replaces the string pointed to by 'msg' with an escaped string.
- * Returns the same string with all '%' characters escaped.
- */
-xmlChar *
-xmlEscapeFormatString(xmlChar **msg)
-{
-    xmlChar *msgPtr = NULL;
-    xmlChar *result = NULL;
-    xmlChar *resultPtr = NULL;
-    size_t count = 0;
-    size_t msgLen = 0;
-    size_t resultLen = 0;
-
-    if (!msg || !*msg)
-        return(NULL);
-
-    for (msgPtr = *msg; *msgPtr != '\0'; ++msgPtr) {
-        ++msgLen;
-        if (*msgPtr == '%')
-            ++count;
-    }
-
-    if (count == 0)
-        return(*msg);
-
-    resultLen = msgLen + count + 1;
-    result = (xmlChar *) xmlMallocAtomic(resultLen * sizeof(xmlChar));
-    if (result == NULL) {
-        /* Clear *msg to prevent format string vulnerabilities in
-           out-of-memory situations. */
-        xmlFree(*msg);
-        *msg = NULL;
-        xmlErrMemory(NULL, NULL);
-        return(NULL);
-    }
-
-    for (msgPtr = *msg, resultPtr = result; *msgPtr != '\0'; ++msgPtr, ++resultPtr) {
-        *resultPtr = *msgPtr;
-        if (*msgPtr == '%')
-            *(++resultPtr) = '%';
-    }
-    result[resultLen - 1] = '\0';
-
-    xmlFree(*msg);
-    *msg = result;
-
-    return *msg;
-}
-
-#define bottom_xmlstring
-#include "elfgcchack.h"