X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fstriconveh.h;h=97a377a6538cb12f8a52ff7733e15e7921a6d0d8;hb=5d0b385594bc914e6233988bfb6bc1b92a2184b5;hp=3dc153955b908c217363d9e78828093515f0fa17;hpb=826fd3d7e36c3538595e9eacad8517040812b99b;p=gnulib.git

diff --git a/lib/striconveh.h b/lib/striconveh.h
index 3dc153955..97a377a65 100644
--- a/lib/striconveh.h
+++ b/lib/striconveh.h
@@ -42,11 +42,16 @@ enum iconv_ilseq_handler
 
 /* Convert an entire string from one encoding to another, using iconv.
    The original string is at [SRC,...,SRC+SRCLEN-1].
-   The conversion descriptor from FROMCODE to TOCODE is passed as CD.
+   CD is the conversion descriptor from FROMCODE to TOCODE, or (iconv_t)(-1) if
+   the system does not support a direct conversion from FROMCODE to TOCODE.
    CD1 is the conversion descriptor from FROM_CODESET to UTF-8 (or
    (iconv_t)(-1) if FROM_CODESET is UTF-8).
    CD2 is the conversion descriptor from UTF-8 to TO_CODESET (or (iconv_t)(-1)
    if TO_CODESET is UTF-8).
+   If OFFSETS is not NULL, it should point to an array of SRCLEN integers; this
+   array is filled with offsets into the result, i.e. the character starting
+   at SRC[i] corresponds to the character starting at (*RESULTP)[OFFSETS[i]],
+   and other offsets are set to (size_t)(-1).
    *RESULTP and *LENGTH should initially be a scratch buffer and its size,
    or *RESULTP can initially be NULL.
    May erase the contents of the memory at *RESULTP.
@@ -58,13 +63,15 @@ extern int
        mem_cd_iconveh (const char *src, size_t srclen,
 		       iconv_t cd, iconv_t cd1, iconv_t cd2,
 		       enum iconv_ilseq_handler handler,
+		       size_t *offsets,
 		       char **resultp, size_t *lengthp);
 
 /* Convert an entire string from one encoding to another, using iconv.
    The original string is the NUL-terminated string starting at SRC.
-   The conversion descriptor is passed as CD.  Both the "from" and the "to"
-   encoding must use a single NUL byte at the end of the string (i.e. not
-   UCS-2, UCS-4, UTF-16, UTF-32).
+   CD is the conversion descriptor from FROMCODE to TOCODE, or (iconv_t)(-1) if
+   the system does not support a direct conversion from FROMCODE to TOCODE.
+   Both the "from" and the "to" encoding must use a single NUL byte at the end
+   of the string (i.e. not UCS-2, UCS-4, UTF-16, UTF-32).
    CD1 is the conversion descriptor from FROM_CODESET to UTF-8 (or
    (iconv_t)(-1) if FROM_CODESET is UTF-8).
    CD2 is the conversion descriptor from UTF-8 to TO_CODESET (or (iconv_t)(-1)
@@ -81,8 +88,10 @@ extern char *
 
 /* Convert an entire string from one encoding to another, using iconv.
    The original string is at [SRC,...,SRC+SRCLEN-1].
-   Both the "from" and the "to" encoding must use a single NUL byte at the
-   end of the string (i.e. not UCS-2, UCS-4, UTF-16, UTF-32).
+   If OFFSETS is not NULL, it should point to an array of SRCLEN integers; this
+   array is filled with offsets into the result, i.e. the character starting
+   at SRC[i] corresponds to the character starting at (*RESULTP)[OFFSETS[i]],
+   and other offsets are set to (size_t)(-1).
    *RESULTP and *LENGTH should initially be a scratch buffer and its size,
    or *RESULTP can initially be NULL.
    May erase the contents of the memory at *RESULTP.
@@ -94,6 +103,7 @@ extern int
        mem_iconveh (const char *src, size_t srclen,
 		    const char *from_codeset, const char *to_codeset,
 		    enum iconv_ilseq_handler handler,
+		    size_t *offsets,
 		    char **resultp, size_t *lengthp);
 
 /* Convert an entire string from one encoding to another, using iconv.