Function
GLibconvert_with_fallback
Declaration
gchar*
g_convert_with_fallback (
const gchar* str,
gssize len,
const gchar* to_codeset,
const gchar* from_codeset,
const gchar* fallback,
gsize* bytes_read,
gsize* bytes_written,
GError** error
)
Description
Converts a string from one character set to another, possibly
including fallback sequences for characters not representable
in the output. Note that it is not guaranteed that the specification
for the fallback sequences in fallback
will be honored. Some
systems may do an approximate conversion from from_codeset
to to_codeset
in their iconv()
functions,
in which case GLib will simply return that approximate conversion.
Note that you should use g_iconv()
for streaming conversions.
Despite the fact that bytes_read
can return information about partial
characters, the g_convert_… functions are not generally suitable
for streaming. If the underlying converter maintains internal state,
then this won’t be preserved across successive calls to g_convert(),
g_convert_with_iconv()
or g_convert_with_fallback(). (An example of
this is the GNU C converter for CP1255 which does not emit a base
character until it knows that the next character is not a mark that
could combine with the base character.)
Parameters
str |
An array of guint8 |
|
|
The length of the array is specified in the len argument. | |
The data is owned by the caller of the function. | |
len |
gssize |
The length of the string in bytes, or -1 if the string is
nul-terminated (Note that some encodings may allow nul
bytes to occur inside strings. In that case, using -1
for the |
|
to_codeset |
const gchar* |
Name of character set into which to convert |
|
The data is owned by the caller of the function. | |
The value is a NUL terminated UTF-8 string. | |
from_codeset |
const gchar* |
Character set of |
|
The data is owned by the caller of the function. | |
The value is a NUL terminated UTF-8 string. | |
fallback |
const gchar* |
UTF-8 string to use in place of characters not
present in the target encoding. (The string must be
representable in the target encoding).
If |
|
The data is owned by the caller of the function. | |
The value is a NUL terminated UTF-8 string. | |
bytes_read |
gsize* |
Location to store the number of bytes in
the input string that were successfully converted, or |
|
The argument will be set by the function. | |
The argument can be NULL . | |
bytes_written |
gsize* |
The number of bytes stored in the output buffer (not including the terminating nul). |
|
The argument will be set by the function. | |
The argument can be NULL . | |
error |
GError ** |
The return location for a GError* , or NULL . |
Return value
Returns: | An array of guint8 |
|
|
The length of the array is in the bytes_written argument. | |
The caller of the function takes ownership of the data, and is responsible for freeing it. |