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Diffstat (limited to 'src/libuemf/uemf_utf.c')
-rw-r--r--src/libuemf/uemf_utf.c292
1 files changed, 185 insertions, 107 deletions
diff --git a/src/libuemf/uemf_utf.c b/src/libuemf/uemf_utf.c
index 0159d51cd..5c6507818 100644
--- a/src/libuemf/uemf_utf.c
+++ b/src/libuemf/uemf_utf.c
@@ -227,6 +227,7 @@ uint16_t *U_Utf32leToUtf16le(
size_t *len
){
char *dst,*dst2;
+ char *src2 = (char *) src;
size_t srclen,dstlen,status;
if(!src)return(NULL);
@@ -235,16 +236,23 @@ uint16_t *U_Utf32leToUtf16le(
dstlen = 2 + srclen; // this will always work, but may waste space
dst2 = dst = calloc(dstlen,1); // so there will be at least one terminator
- if(!dst)return(NULL);
- iconv_t conv = iconv_open("UTF-16LE", "UTF-32LE");
- status = iconv(conv, ICONV_CAST &src, &srclen, &dst, &dstlen);
- iconv_close(conv);
- if(status == (size_t) -1){
- free(dst2);
- dst2 = NULL;
- }
- else if(len){
- *len=wchar16len((uint16_t *)dst2);
+ if(dst){
+ iconv_t conv = iconv_open("UTF-16LE", "UTF-32LE");
+ if ( conv == (iconv_t) -1){
+ free(dst2);
+ dst2=NULL;
+ }
+ else {
+ status = iconv(conv, ICONV_CAST &src2, &srclen, &dst, &dstlen);
+ iconv_close(conv);
+ if(status == (size_t) -1){
+ free(dst2);
+ dst2 = NULL;
+ }
+ else if(len){
+ *len=wchar16len((uint16_t *)dst2);
+ }
+ }
}
return((uint16_t *)dst2);
}
@@ -270,17 +278,23 @@ uint32_t *U_Utf16leToUtf32le(
else { srclen = 2*wchar16len(src)+2; } // include terminator, length in BYTES
dstlen = 2*(2 + srclen); // This should always work
dst2 = dst = calloc(dstlen,1);
- if(!dst)return(NULL);
- iconv_t conv = iconv_open("UTF-32LE", "UTF-16LE");
- if ( conv == (iconv_t)-1)return(NULL);
- status = iconv(conv, ICONV_CAST &src2, &srclen, &dst, &dstlen);
- iconv_close(conv);
- if(status == (size_t) -1){
- free(dst2);
- dst2 = NULL;
- }
- else if(len){
- *len=wchar32len((uint32_t *)dst2);
+ if(dst){
+ iconv_t conv = iconv_open("UTF-32LE", "UTF-16LE");
+ if ( conv == (iconv_t) -1){
+ free(dst2);
+ dst2=NULL;
+ }
+ else {
+ status = iconv(conv, ICONV_CAST &src2, &srclen, &dst, &dstlen);
+ iconv_close(conv);
+ if(status == (size_t) -1){
+ free(dst2);
+ dst2 = NULL;
+ }
+ else if(len){
+ *len=wchar32len((uint32_t *)dst2);
+ }
+ }
}
return((uint32_t *) dst2);
}
@@ -312,17 +326,23 @@ uint32_t *U_Latin1ToUtf32le(
else { srclen = strlen(src)+1; } // include terminator, length in BYTES
dstlen = sizeof(uint32_t)*(1 + srclen); // This should always work but might waste some space
dst2 = dst = calloc(dstlen,1);
- if(!dst)return(NULL);
- iconv_t conv = iconv_open("UTF-32LE", "LATIN1");
- if ( conv == (iconv_t) -1)return(NULL);
- status = iconv(conv, ICONV_CAST &src2, &srclen, &dst, &dstlen);
- iconv_close(conv);
- if(status == (size_t) -1){
- free(dst2);
- dst2 = NULL;
- }
- else if(len){
- *len=wchar32len((uint32_t *)dst2);
+ if(dst){
+ iconv_t conv = iconv_open("UTF-32LE", "LATIN1");
+ if ( conv == (iconv_t) -1){
+ free(dst2);
+ dst2=NULL;
+ }
+ else {
+ status = iconv(conv, ICONV_CAST &src2, &srclen, &dst, &dstlen);
+ iconv_close(conv);
+ if(status == (size_t) -1){
+ free(dst2);
+ dst2 = NULL;
+ }
+ else if(len){
+ *len=wchar32len((uint32_t *)dst2);
+ }
+ }
}
return((uint32_t *) dst2);
}
@@ -348,17 +368,23 @@ uint32_t *U_Utf8ToUtf32le(
else { srclen = strlen(src)+1; } // include terminator, length in BYTES
dstlen = sizeof(uint32_t)*(1 + srclen); // This should always work but might waste some space
dst2 = dst = calloc(dstlen,1);
- if(!dst)return(NULL);
- iconv_t conv = iconv_open("UTF-32LE", "UTF-8");
- if ( conv == (iconv_t) -1)return(NULL);
- status = iconv(conv, ICONV_CAST &src2, &srclen, &dst, &dstlen);
- iconv_close(conv);
- if(status == (size_t) -1){
- free(dst2);
- dst2 = NULL;
- }
- else if(len){
- *len=wchar32len((uint32_t *)dst2);
+ if(dst){
+ iconv_t conv = iconv_open("UTF-32LE", "UTF-8");
+ if ( conv == (iconv_t) -1){
+ free(dst2);
+ dst2=NULL;
+ }
+ else {
+ status = iconv(conv, ICONV_CAST &src2, &srclen, &dst, &dstlen);
+ iconv_close(conv);
+ if(status == (size_t) -1){
+ free(dst2);
+ dst2 = NULL;
+ }
+ else if(len){
+ *len=wchar32len((uint32_t *)dst2);
+ }
+ }
}
return((uint32_t *) dst2);
}
@@ -384,17 +410,23 @@ char *U_Utf32leToUtf8(
else { srclen = 4*(1 + wchar32len(src)); } //include terminator, length in BYTES
dstlen = 1 + srclen; // This should always work but might waste some space
dst2 = dst = calloc(dstlen,1);
- if(!dst)return(NULL);
- iconv_t conv = iconv_open("UTF-8", "UTF-32LE");
- if ( conv == (iconv_t)-1)return(NULL);
- status = iconv(conv, ICONV_CAST &src2, &srclen, &dst, &dstlen);
- iconv_close(conv);
- if(status == (size_t) -1){
- free(dst2);
- dst2 = NULL;
- }
- else if(len){
- *len=strlen(dst2);
+ if(dst){
+ iconv_t conv = iconv_open("UTF-8", "UTF-32LE");
+ if ( conv == (iconv_t) -1){
+ free(dst2);
+ dst2=NULL;
+ }
+ else {
+ status = iconv(conv, ICONV_CAST &src2, &srclen, &dst, &dstlen);
+ iconv_close(conv);
+ if(status == (size_t) -1){
+ free(dst2);
+ dst2 = NULL;
+ }
+ else if(len){
+ *len=strlen(dst2);
+ }
+ }
}
return(dst2);
}
@@ -412,25 +444,31 @@ uint16_t *U_Utf8ToUtf16le(
size_t *len
){
char *dst,*dst2;
+ char *src2 = (char *) src;
size_t srclen,dstlen,status;
- iconv_t conv;
if(!src)return(NULL);
if(max){ srclen = max; }
else { srclen = strlen(src)+1; } // include terminator, length in BYTES
dstlen = 2 * (1 + srclen); // this will always work, but may waste space
dst2 = dst =calloc(dstlen,1); // so there will always be a terminator
- if(!dst)return(NULL);
- conv = iconv_open("UTF-16LE", "UTF-8");
- if (conv == (iconv_t) -1)return(NULL);
- status = iconv(conv, ICONV_CAST &src, &srclen, &dst, &dstlen);
- iconv_close(conv);
- if(status == (size_t) -1){
- free(dst2);
- dst2 = NULL;
- }
- else if(len){
- *len=wchar16len((uint16_t *)dst2);
+ if(dst){
+ iconv_t conv = iconv_open("UTF-16LE", "UTF-8");
+ if ( conv == (iconv_t) -1){
+ free(dst2);
+ dst2=NULL;
+ }
+ else {
+ status = iconv(conv, ICONV_CAST &src2, &srclen, &dst, &dstlen);
+ iconv_close(conv);
+ if(status == (size_t) -1){
+ free(dst2);
+ dst2 = NULL;
+ }
+ else if(len){
+ *len=wchar16len((uint16_t *)dst2);
+ }
+ }
}
return((uint16_t *)dst2);
}
@@ -448,7 +486,7 @@ char *U_Utf16leToUtf8(
size_t *len
){
char *dst, *dst2;
- char *ret=NULL;
+ char *src2 = (char *) src;
size_t srclen,dstlen,status;
if(!src)return(NULL);
@@ -457,16 +495,28 @@ char *U_Utf16leToUtf8(
dstlen = 1 + 2*srclen; // this will always work, but may waste space
// worst case is all glyphs (==max) need 4 UTF-8 encoded bytes + terminator.
dst2 = dst = (char *) calloc(dstlen,1);
- if(!dst)return(NULL);
- iconv_t conv = iconv_open("UTF-8", "UTF-16LE");
- status = iconv(conv, ICONV_CAST &src, &srclen, &dst, &dstlen);
- iconv_close(conv);
- if(status != (size_t) -1){
- if(len)*len=strlen(dst2);
- ret=U_strdup(dst2); // make a string of exactly the right size
+ if(dst){
+ iconv_t conv = iconv_open("UTF-8", "UTF-16LE");
+ if ( conv == (iconv_t) -1){
+ free(dst2);
+ dst2=NULL;
+ }
+ else {
+ status = iconv(conv, ICONV_CAST &src2, &srclen, &dst, &dstlen);
+ iconv_close(conv);
+ if(status == (size_t) -1){
+ free(dst2);
+ dst2 = NULL;
+ }
+ else if(len){
+ *len=strlen(dst2);
+ dst = dst2;
+ dst2 = U_strdup(dst); // make a string of exactly the right size
+ free(dst); // free the one which was probably too big
+ }
+ }
}
- free(dst2); // free the one which was probably too big
- return(ret);
+ return(dst2);
}
/**
@@ -482,22 +532,36 @@ char *U_Utf16leToLatin1(
size_t *len
){
char *dst, *dst2;
- char *ret=NULL;
+ char *src2 = (char *) src;
size_t srclen,dstlen,status;
if(!src)return(NULL);
if(max){ srclen = 2*max; }
else { srclen = 2*(1 +wchar16len(src)); } //include terminator, length in BYTES
dstlen = 1 + srclen; // this will always work as latin1 is always 1 byte/character
- ret = dst2 = dst = (char *) calloc(dstlen,1);
- if(!dst)return(NULL);
- iconv_t conv = iconv_open("LATIN1//TRANSLIT", "UTF-16LE"); // translate what can be, fill in with something close for the rest
- status = iconv(conv, ICONV_CAST &src, &srclen, &dst, &dstlen);
- iconv_close(conv);
- if(status != (size_t) -1){
- if(len)*len=strlen(dst2);
+ dst2 = dst = (char *) calloc(dstlen,1);
+ if(dst){
+ iconv_t conv = iconv_open("LATIN1//TRANSLIT", "UTF-16LE");
+ if ( conv == (iconv_t) -1){
+ free(dst2);
+ dst2=NULL;
+ }
+ else {
+ status = iconv(conv, ICONV_CAST &src2, &srclen, &dst, &dstlen);
+ iconv_close(conv);
+ if(status == (size_t) -1){
+ free(dst2);
+ dst2 = NULL;
+ }
+ else if(len){
+ *len=strlen(dst2);
+ dst = dst2;
+ dst2 = U_strdup(dst); // make a string of exactly the right size
+ free(dst); // free the one which was probably too big
+ }
+ }
}
- return(ret);
+ return(dst2);
}
/**
\brief Put a single 16 bit character into UTF-16LE form.
@@ -534,22 +598,29 @@ char *U_Utf8ToLatin1(
size_t *len
){
char *dst,*dst2;
+ char *src2 = (char *) src;
size_t srclen,dstlen,status;
if(max){ srclen = max; }
else { srclen = strlen(src)+1; } // include terminator, length in BYTES
dstlen = (1 + srclen); // This should always work but might waste some space
dst2 = dst = calloc(dstlen,1);
- if(!dst)return(NULL);
- iconv_t conv = iconv_open("LATIN1//TRANSLIT", "UTF-8"); // translate what can be, fill in with something close for the rest
- if ( conv == (iconv_t) -1)return(NULL);
- status = iconv(conv, ICONV_CAST &src, &srclen, &dst, &dstlen);
- iconv_close(conv);
- if(status == (size_t) -1){
- free(dst2);
- dst2 = NULL;
- }
- else if(len){
- *len=strlen(dst2);
+ if(dst){
+ iconv_t conv = iconv_open("LATIN1//TRANSLIT", "UTF-8"); // translate what can be, fill in with something close for the rest
+ if ( conv == (iconv_t) -1){
+ free(dst2);
+ dst2=NULL;
+ }
+ else {
+ status = iconv(conv, ICONV_CAST &src2, &srclen, &dst, &dstlen);
+ iconv_close(conv);
+ if(status == (size_t) -1){
+ free(dst2);
+ dst2 = NULL;
+ }
+ else if(len){
+ *len=strlen(dst2);
+ }
+ }
}
return((char *) dst2);
}
@@ -571,22 +642,29 @@ char *U_Latin1ToUtf8(
size_t *len
){
char *dst,*dst2;
+ char *src2 = (char *) src;
size_t srclen,dstlen,status;
if(max){ srclen = max; }
else { srclen = strlen(src)+1; } // include terminator, will waste some space
dstlen = (1 + 2*srclen); // This should always work because all latin1 convert to 1 or 2 byte UTF8, it might waste some space
dst2 = dst = calloc(dstlen,1);
- if(!dst)return(NULL);
- iconv_t conv = iconv_open("UTF-8", "LATIN1"); // everything should translate
- if ( conv == (iconv_t) -1)return(NULL);
- status = iconv(conv, ICONV_CAST &src, &srclen, &dst, &dstlen);
- iconv_close(conv);
- if(status == (size_t) -1){
- free(dst2);
- dst2 = NULL;
- }
- else if(len){
- *len=strlen(dst2);
+ if(dst){
+ iconv_t conv = iconv_open("UTF-8", "LATIN1"); // everything should translate
+ if ( conv == (iconv_t) -1){
+ free(dst2);
+ dst2=NULL;
+ }
+ else {
+ status = iconv(conv, ICONV_CAST &src2, &srclen, &dst, &dstlen);
+ iconv_close(conv);
+ if(status == (size_t) -1){
+ free(dst2);
+ dst2 = NULL;
+ }
+ else if(len){
+ *len=strlen(dst2);
+ }
+ }
}
return((char *) dst2);
}
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