mirror of
https://github.com/owntone/owntone-server.git
synced 2024-12-25 06:35:57 -05:00
Allow --disable-iconv
This commit is contained in:
Ron Pedde
parent
9246bfe59e
commit
0be8f98a40
17
configure.in
17
configure.in
@ -14,7 +14,6 @@ AC_PROG_CC
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dnl AC_PROG_YACC
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dnl AM_PROG_LEX
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AC_PROG_LIBTOOL
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AM_ICONV
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AC_CHECK_HEADERS([sys/wait.h])
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AC_CHECK_HEADERS([sys/param.h])
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@ -50,6 +49,7 @@ db_sqlite3=false
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use_ffmpeg=false;
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use_upnp=false;
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use_ssl=false
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use_iconv=true
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STATIC_LIBS=no
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@ -59,6 +59,13 @@ dnl fix freebsd's broken (?) libpthread
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AC_CHECK_LIB(c_r,pthread_creat,LIBS="${LIBS} -lc_r", [
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AC_CHECK_LIB(pthread,pthread_create,LIBS="${LIBS} -lpthread") ])
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AC_ARG_ENABLE(iconv, [ --enable-iconv Enable iconv conversion],
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[ case "${enableval}" in
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yes) use_iconv=true;;
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no) use_iconv=false;;
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*) AC_MSG_ERROR(bad value ${enableval} for --enable-iconv);;
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esac ])
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AC_ARG_ENABLE(sqlite,[ --enable-sqlite Enable the sqlite db backend],
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[ case "${enableval}" in
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yes) db_sqlite=true; have_sql=true;;
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@ -479,7 +486,11 @@ AC_CHECK_LIB(socket,socket,V_NETLIBS="-lsocket $V_NETLIBS",,)
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AC_SUBST(V_NETLIBS)
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dnl add the iconv stuff
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LDFLAGS="${LDFLAGS} ${LIBICONV}"
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if test x$use_iconv = xtrue; then
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dnl add the iconv stuff
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AM_ICONV
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LDFLAGS="${LDFLAGS} ${LIBICONV}"
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fi
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AC_OUTPUT(src/Makefile src/plugins/Makefile admin-root/Makefile admin-root/lib-js/Makefile admin-root/lib-js/script.aculo.us/Makefile contrib/Makefile contrib/init.d/Makefile src/mdns/Makefile Makefile)
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@ -39,6 +39,7 @@
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#include "err.h"
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#include "io.h"
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#include "mp3-scanner.h"
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#include "util.h"
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#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)
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# define _PACKED __attribute((packed))
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@ -350,15 +351,25 @@ int scan_mp3_get_mp3tags(char *file, MP3FILE *pmp3) {
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if(native_text) {
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have_utf8=1;
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utf8_text = util_xtoutf8_alloc(native_text,strlen(native_text),
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conversion_codepage);
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if(!utf8_text) {
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utf8_text = (char*)id3_ucs4_latin1duplicate(native_text);
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utf8_text = (char*)id3_ucs4_utf8duplicate(native_text);
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if(utf8_text)
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mem_register(utf8_text,0);
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if(id3_field_gettextencoding(&pid3frame->fields[1]) ==
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ID3_FIELD_TEXTENCODING_ISO_8859_1) {
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#ifdef HAVE_ICONV
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/* this is kinda cheesy, but ucs4* == char* for 8859-1 */
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free(utf8_text);
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utf8_text = util_xtoutf8_alloc((unsigned char*)native_text,
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strlen((char*)native_text),
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conversion_codepage);
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#endif
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}
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if(!strcmp(pid3frame->id,"TIT2")) { /* Title */
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used=1;
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pmp3->title = utf8_text;
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273
src/util.c
273
src/util.c
@ -66,6 +66,7 @@ int util_must_exit(void) {
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return config.stop;
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}
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#ifdef HAVE_ICONV
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int util_utf8toutf16(unsigned char *utf16, int dlen, unsigned char *utf8, int slen) {
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int result;
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DPRINTF(E_DBG,L_MISC,"Converting %s to utf-16le (slen=%d, dlen=%d)\n",utf8,slen,dlen);
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@ -177,6 +178,277 @@ int util_xtoy(unsigned char *dbuffer, int dlen, unsigned char *sbuffer, int slen
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return (csize != (size_t)-1);
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}
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#else
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/* homerolled conversions */
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int util_utf16_byte_len(unsigned char *utf16) {
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unsigned char *src = utf16;
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int len = 0;
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while(1) {
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if((src[0] == 0) && (src[1]==0))
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return len;
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len += 2;
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src += 2;
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}
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return len; /* ?? */
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}
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/**
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* calculate how long a utf16le string will be once converted
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*/
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int util_utf16toutf8_len(unsigned char *utf16, int len) {
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unsigned char *src = utf16;
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int out_len = 0;
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uint32_t temp_dword;
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while(src+2 <= utf16 + len) {
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temp_dword = src[1] << 8 | src[0];
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if((temp_dword & 0xFC00) == 0xD800) {
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src += 2;
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if(src + 2 <= utf16 + len) {
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out_len += 4;
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} else {
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return -1;
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}
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} else {
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if(temp_dword <= 0x7F)
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out_len += 1;
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else if(temp_dword <= 0x7FF)
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out_len += 2;
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else if(temp_dword <= 0xFFFF)
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out_len += 3;
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}
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src += 2;
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}
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return out_len;
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}
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/**
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* convert utf16 string to utf8. This is a bit naive, but...
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* Since utf-8 can't expand past 4 bytes per code point, and
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* we're converting utf-16, we can't be more than 2n+1 bytes, so
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* we'll just allocate that much.
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*
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* Probably it could be more efficiently calculated, but this will
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* always work. Besides, these are small strings, and will be freed
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* after the db insert.
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*
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* We assume this is utf-16LE, as it comes from windows
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*
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* @param utf16 utf-16 to convert
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* @param len length of utf-16 string
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*/
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int util_utf16toutf8(unsigned char *utf8, int dlen, unsigned char *utf16, int len) {
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unsigned char *src=utf16;
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unsigned char *dst;
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unsigned int w1, w2;
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int bytes;
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int new_len;
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if(!len)
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return FALSE;
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new_len = util_utf16toutf8_len(utf16,len);
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if((new_len == -1) || (dlen <= new_len)) {
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DPRINTF(E_LOG,L_MISC,"Cannot convert %s to utf8; E2BIG (%d vs %d)\n",utf8,new_len,dlen);
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return FALSE;
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}
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dst=utf8;
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while((src+2) <= utf16+len) {
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w1=src[1] << 8 | src[0];
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src += 2;
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if((w1 & 0xFC00) == 0xD800) { // could be surrogate pair
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if(src+2 > utf16+len) {
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DPRINTF(E_INF,L_SCAN,"Invalid utf-16 in file\n");
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return FALSE;
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}
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w2 = src[3] << 8 | src[2];
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if((w2 & 0xFC00) != 0xDC00) {
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DPRINTF(E_INF,L_SCAN,"Invalid utf-16 in file\n");
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return FALSE;
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}
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// get bottom 10 of each
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w1 = w1 & 0x03FF;
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w1 = w1 << 10;
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w1 = w1 | (w2 & 0x03FF);
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// add back the 0x10000
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w1 += 0x10000;
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}
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// now encode the original code point in utf-8
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if (w1 < 0x80) {
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*dst++ = w1;
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bytes=0;
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} else if (w1 < 0x800) {
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*dst++ = 0xC0 | (w1 >> 6);
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bytes=1;
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} else if (w1 < 0x10000) {
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*dst++ = 0xE0 | (w1 >> 12);
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bytes=2;
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} else {
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*dst++ = 0xF0 | (w1 >> 18);
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bytes=3;
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}
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while(bytes) {
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*dst++ = 0x80 | ((w1 >> (6*(bytes-1))) & 0x3f);
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bytes--;
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}
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}
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*dst = '\x0';
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return new_len;
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}
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/**
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* calculate how long a utf8 string will be once converted
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*/
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int util_utf8toutf16_len(unsigned char *utf8) {
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int len,out_len,trailing_bytes;
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unsigned char *src = utf8;
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len=(int)strlen((char *)utf8);
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out_len = 0;
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while(src < utf8 + len) {
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trailing_bytes = 0;
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if((*src & 0xE0) == 0xC0) trailing_bytes = 1;
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else if((*src & 0xF0) == 0xE0) trailing_bytes = 2;
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else if((*src & 0xF8) == 0xF0) trailing_bytes = 3;
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if(src + trailing_bytes > utf8 + len)
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return -1;
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out_len += 2;
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if(trailing_bytes == 3) /* surrogate pair */
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out_len += 2;
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src += (1 + trailing_bytes);
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}
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out_len += 1;
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return out_len;
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}
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unsigned char *util_utf8toutf16_alloc(unsigned char *utf8) {
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unsigned char *out;
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int new_len;
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new_len = util_utf8toutf16_len(utf8);
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if(new_len == -1)
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return NULL;
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out = calloc(1,new_len + 2);
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if(!util_utf8toutf16(out,new_len + 2,utf8,(int)strlen((char*)utf8))) {
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free(out);
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return NULL;
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}
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return out;
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}
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unsigned char *util_utf16touft8_alloc(unsigned char *utf16, int len) {
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unsigned char *out;
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int new_len;
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new_len = util_utf16toutf8_len(utf16,len);
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if(new_len == -1)
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return NULL;
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out = calloc(1,new_len + 1);
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if(!util_utf16toutf8(out,new_len + 1,utf16,len)) {
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free(out);
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return NULL;
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}
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return out;
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}
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int util_utf8toutf16(unsigned char *utf16, int dlen, unsigned char *utf8, int len) {
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unsigned char *src=utf8;
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unsigned char *dst;
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int new_len;
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int trailing_bytes;
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uint32_t utf32;
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uint16_t temp_word;
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len=(int)strlen((char*)utf8); /* ignore passed length, might be wrong! */
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if(!len)
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return FALSE;
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new_len = util_utf8toutf16_len(utf8);
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if((new_len == -1) || (dlen <= (new_len+1))) {
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DPRINTF(E_LOG,L_MISC,"Cannot convert %s to utf16; E2BIG (%d vs %d)\n",utf8,new_len,dlen);
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return FALSE;
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}
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dst=utf16;
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while(src < utf8 + len) {
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utf32=0;
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trailing_bytes=0;
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if((*src & 0xE0) == 0xC0) trailing_bytes = 1;
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else if((*src & 0xF0) == 0xE0) trailing_bytes = 2;
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else if((*src & 0xF8) == 0xF0) trailing_bytes = 3;
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if(src + trailing_bytes > utf8 + len) {
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DPRINTF(E_LOG,L_SCAN,"Invalid UTF8 string\n");
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return FALSE;
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}
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switch(trailing_bytes) {
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case 0:
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utf32 = *src;
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break;
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case 1:
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utf32 = ((src[0] & 0x1F) << 6) |
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(src[1] & 0x3F);
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break;
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case 2:
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utf32 = ((src[0] & 0x0F) << 12) |
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((src[1] & 0x3F) << 6) |
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((src[2] & 0x3F));
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break;
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case 3:
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utf32 = ((src[0] & 0x07) << 18) |
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((src[1] & 0x3F) << 12) |
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((src[2] & 0x3F) << 6) |
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((src[3] & 0x3F));
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break;
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}
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if(utf32 <= 0xFFFF) {
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/* we are encoding LE style... */
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*dst++ = utf32 & 0xFF;
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*dst++ = (utf32 & 0xFF00) >> 8;
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} else {
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/* Encode with surrogates */
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temp_word = 0xD800 | ((utf32 & 0x0FFC00) >> 10);
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*dst++ = temp_word & 0xFF;
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*dst++ = (temp_word & 0xFF00) >> 8;
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temp_word = 0xDC00 | (utf32 & 0x3FF);
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*dst++ = temp_word & 0xFF;
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*dst++ = (temp_word & 0xFF00) >> 8;
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}
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src += (trailing_bytes + 1);
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}
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*dst++ = '\x0';
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*dst = '\x0';
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return new_len;
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}
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#endif
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void util_hexdump(unsigned char *block, int len) {
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char charmap[256];
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int index;
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@ -417,7 +689,6 @@ char *util_vasprintf(char *fmt, va_list ap) {
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if(!outbuf)
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DPRINTF(E_FATAL,L_MISC,"Could not allocate buffer in vasprintf\n");
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ap2=ap; /* shut up lint warnings */
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VA_COPY(ap2,ap);
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while(1) {
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