kenmirrors
/
freeswitch
mirror of https://github.com/signalwire/freeswitch.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
freeswitch/libs/libetpan/doc/API/x2180.htm

2536 lines
47 KiB
HTML
Raw Normal View History

add libetpan 0.48 to in tree libs git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3763 d0543943-73ff-0310-b7d9-9358b9ac24b2
2006-12-20 20:28:56 +00:00
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd">
<HTML
><HEAD
><TITLE
>Parser functions</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK
REL="HOME"
TITLE="libEtPan! API"
HREF="book1.htm"><LINK
REL="UP"
TITLE="MIME"
HREF="c1586.htm"><LINK
REL="PREVIOUS"
TITLE="Data types"
HREF="x1614.htm"><LINK
REL="NEXT"
TITLE="Rendering of MIME parts"
HREF="x2583.htm"></HEAD
><BODY
CLASS="SECT1"
BGCOLOR="#FFFFFF"
TEXT="#000000"
LINK="#0000FF"
VLINK="#840084"
ALINK="#0000FF"
><DIV
CLASS="NAVHEADER"
><TABLE
SUMMARY="Header navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TH
COLSPAN="3"
ALIGN="center"
>libEtPan! API</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="x1614.htm"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
>Chapter 4. MIME</TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="x2583.htm"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="AEN2180"
>Parser functions</A
></H1
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="MAILMIME-CONTENT-PARSE"
>mailmime_content_parse</A
></H2
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
int mailmime_content_parse(const char * message, size_t length,
size_t * index,
struct mailmime_content ** result);
</PRE
><P
> This function will parse the content of a
<B
CLASS="COMMAND"
>Content-Type</B
> header field.
</P
><P
></P
><UL
><LI
><P
> <B
CLASS="COMMAND"
>message</B
> is a string containing
the MIME content type.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>length</B
> is the size of the given
string.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>index</B
> is a pointer to the start of
the address in the given string, <B
CLASS="COMMAND"
>(*
index)</B
> is modified to point at the end of the
parsed data.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>result</B
>. The result of the parse
operation is stored in <B
CLASS="COMMAND"
>(* result)</B
>
(see <A
HREF="x1614.htm#MAILMIME-CONTENT"
>the Section called <I
>mailmime_content - MIME content type (Content-Type)</I
></A
>).
</P
></LI
></UL
><DIV
CLASS="EXAMPLE"
><A
NAME="AEN2203"
></A
><P
><B
>Example 4-16. Parsing MIME content type</B
></P
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
#include &lt;sys/stat.h&gt;
#include &lt;sys/mman.h&gt;
int main(int argc, char ** argv)
{
int fd;
int r;
status = EXIT_FAILURE;
fd = open("message.rfc2822", O_RDONLY);
if (fd &gt;= 0) {
void * mem;
struct stat stat_info;
r = fstat(fd, &amp;stat_info);
if (r &gt;= 0) {
mem = mmap(NULL, stat_info.st_size, PROT_READ, MAP_PRIVATE);
if (mem != MAP_FAILED) {
struct mailimf_fields * f;
size_t current_index;
current_index = 0;
r = mailimf_fields_parse(mem, stat_info.st_size,
&amp;current_index, &amp;f);
if (r == MAILIMF_NO_ERROR) {
clistiter * cur;
for(cur = clist_begin(f-&gt;fld_list) ; cur != NULL ; cur =
clist_next(cur)) {
struct mailmime_field * mime_field;
struct mailimf_field * field;
field = clist_content(cur);
if (field-&gt;fld_type == MAILIMF_FIELD_OPTIONAL_FIELD) {
if (strcasecmp(field-&gt;fld_data.fld_optional_field-&gt;fld_name,
"Content-Type") == 0) {
struct mailmime_content * content_type;
size_t current_index;
current_index = 0;
r = mailmime_content_parse(field-&gt;fld_data.fld_optional_field-&gt;fld_value,
strlen(field-&gt;fld_data.fld_optional_field-&gt;fld_value),
&amp;current_index, &amp;content_type);
if (r == MAILIMF_NO_ERROR) {
display_mime_content(content_type);
/* do the things */
status = EXIT_SUCCESS;
mailmime_content_free(content_type);
}
}
}
}
mailimf_fields_free(f);
}
}
munmap(mem, stat_info.st_size);
}
close(fd);
}
exit(status);
}
</PRE
></DIV
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="MAILMIME-DESCRIPTION-PARSE"
>mailmime_description_parse</A
></H2
><PRE
CLASS="PROGRAMLISTING"
>#include &gt;libetpan/libetpan.h&lt;
int mailmime_description_parse(const char * message, size_t length,
size_t * index,
char ** result);
</PRE
><P
> This will parse the content of
<B
CLASS="COMMAND"
>Content-Description</B
> MIME header field.
</P
><P
></P
><UL
><LI
><P
> <B
CLASS="COMMAND"
>message</B
> is a string containing
the MIME content description.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>length</B
> is the size of the given
string.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>index</B
> is a pointer to the start of
the address in the given string, <B
CLASS="COMMAND"
>(*
index)</B
> is modified to point at the end of the
parsed data.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>result</B
>. The result of the parse
operation is stored in <B
CLASS="COMMAND"
>(* result)</B
>.
The result string must be freed with
<B
CLASS="COMMAND"
>free()</B
>.
</P
></LI
></UL
><DIV
CLASS="EXAMPLE"
><A
NAME="AEN2227"
></A
><P
><B
>Example 4-17. Parsing MIME description</B
></P
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
#include &lt;sys/stat.h&gt;
#include &lt;sys/mman.h&gt;
int main(int argc, char ** argv)
{
int fd;
int r;
status = EXIT_FAILURE;
fd = open("message.rfc2822", O_RDONLY);
if (fd &gt;= 0) {
void * mem;
struct stat stat_info;
r = fstat(fd, &amp;stat_info);
if (r &gt;= 0) {
mem = mmap(NULL, stat_info.st_size, PROT_READ, MAP_PRIVATE);
if (mem != MAP_FAILED) {
struct mailimf_fields * f;
size_t current_index;
current_index = 0;
r = mailimf_fields_parse(mem, stat_info.st_size,
&amp;current_index, &amp;f);
if (r == MAILIMF_NO_ERROR) {
clistiter * cur;
for(cur = clist_begin(f-&gt;fld_list) ; cur != NULL ; cur =
clist_next(cur)) {
struct mailmime_field * mime_field;
struct mailimf_field * field;
field = clist_content(cur);
if (field-&gt;fld_type == MAILIMF_FIELD_OPTIONAL_FIELD) {
if (strcasecmp(field-&gt;fld_data.fld_optional_field-&gt;fld_name,
"Content-Description") == 0) {
char * description;
size_t current_index;
current_index = 0;
r = mailmime_description_parse(field-&gt;fld_data.fld_optional_field-&gt;fld_value,
strlen(field-&gt;fld_data.fld_optional_field-&gt;fld_value),
&amp;current_index, &amp;description);
if (r == MAILIMF_NO_ERROR) {
printf("%s\n", description);
/* do the things */
status = EXIT_SUCCESS;
free(description);
}
}
}
}
mailimf_fields_free(f);
}
}
munmap(mem, stat_info.st_size);
}
close(fd);
}
exit(status);
}
</PRE
></DIV
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="MAILMIME-ENCODING-PARSE"
>mailmime_encoding_parse</A
></H2
><PRE
CLASS="PROGRAMLISTING"
>#include &gt;libetpan/libetpan.h&lt;
int mailmime_encoding_parse(const char * message, size_t length,
size_t * index,
struct mailmime_mechanism ** result);
</PRE
><P
> This function will parse the content of
<B
CLASS="COMMAND"
>Content-Transfer-Encoding</B
> header field.
</P
><P
></P
><UL
><LI
><P
> <B
CLASS="COMMAND"
>message</B
> is a string containing
the MIME encoding mechanism.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>length</B
> is the size of the given
string.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>index</B
> is a pointer to the start of
the address in the given string, <B
CLASS="COMMAND"
>(*
index)</B
> is modified to point at the end of the
parsed data.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>result</B
>. The result of the parse
operation is stored in <B
CLASS="COMMAND"
>(* result)</B
>
(see <A
HREF="x1614.htm#MAILMIME-MECHANISM"
>the Section called <I
>mailmime_mechanism - MIME transfer encoding mechanism (Content-Transfer-Encoding)</I
></A
>).
</P
></LI
></UL
><DIV
CLASS="EXAMPLE"
><A
NAME="AEN2251"
></A
><P
><B
>Example 4-18. parsing MIME encoding mechanism</B
></P
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
#include &lt;sys/stat.h&gt;
#include &lt;sys/mman.h&gt;
int main(int argc, char ** argv)
{
int fd;
int r;
status = EXIT_FAILURE;
fd = open("message.rfc2822", O_RDONLY);
if (fd &gt;= 0) {
void * mem;
struct stat stat_info;
r = fstat(fd, &amp;stat_info);
if (r &gt;= 0) {
mem = mmap(NULL, stat_info.st_size, PROT_READ, MAP_PRIVATE);
if (mem != MAP_FAILED) {
struct mailimf_fields * f;
size_t current_index;
current_index = 0;
r = mailimf_fields_parse(mem, stat_info.st_size,
&amp;current_index, &amp;f);
if (r == MAILIMF_NO_ERROR) {
clistiter * cur;
for(cur = clist_begin(f-&gt;fld_list) ; cur != NULL ; cur =
clist_next(cur)) {
struct mailmime_field * mime_field;
struct mailimf_field * field;
field = clist_content(cur);
if (field-&gt;fld_type == MAILIMF_FIELD_OPTIONAL_FIELD) {
if (strcasecmp(field-&gt;fld_data.fld_optional_field-&gt;fld_name,
"Content-Transfer-Encoding") == 0) {
struct mailmime_content * encoding;
size_t current_index;
current_index = 0;
r = mailmime_encoding_parse(field-&gt;fld_data.fld_optional_field-&gt;fld_value,
strlen(field-&gt;fld_data.fld_optional_field-&gt;fld_value),
&amp;current_index, &amp;encoding);
if (r == MAILIMF_NO_ERROR) {
display_mime_mechanism(encoding);
/* do the things */
status = EXIT_SUCCESS;
mailmime_mechanism_free(encoding);
}
}
}
}
mailimf_fields_free(f);
}
}
munmap(mem, stat_info.st_size);
}
close(fd);
}
exit(status);
}
</PRE
></DIV
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="MAILMIME-FIELD-PARSE"
>mailmime_field_parse</A
></H2
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
int
mailmime_field_parse(struct mailimf_optional_field * field,
struct mailmime_field ** result);
</PRE
><P
> This function will parse a MIME header field.
</P
><P
></P
><UL
><LI
><P
> <B
CLASS="COMMAND"
>field</B
> is a non-parsed field
(see <A
HREF="x425.htm#MAILIMF-OPTIONAL-FIELD"
>the Section called <I
>mailimf_optional_field - non-standard header</I
> in Chapter 3</A
>).
</P
><P
> <B
CLASS="COMMAND"
>result</B
>. The result of the parse
operation is stored in <B
CLASS="COMMAND"
>(* result)</B
>
(see <A
HREF="x1614.htm#MAILMIME-FIELD"
>the Section called <I
>mailmime_field - MIME header field</I
></A
>).
</P
></LI
></UL
><DIV
CLASS="EXAMPLE"
><A
NAME="AEN2267"
></A
><P
><B
>Example 4-19. parsing MIME header field</B
></P
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
#include &lt;sys/stat.h&gt;
#include &lt;sys/mman.h&gt;
int main(int argc, char ** argv)
{
int fd;
int r;
status = EXIT_FAILURE;
fd = open("message.rfc2822", O_RDONLY);
if (fd &gt;= 0) {
void * mem;
struct stat stat_info;
r = fstat(fd, &amp;stat_info);
if (r &gt;= 0) {
mem = mmap(NULL, stat_info.st_size, PROT_READ, MAP_PRIVATE);
if (mem != MAP_FAILED) {
struct mailimf_fields * f;
size_t current_index;
current_index = 0;
r = mailimf_fields_parse(mem, stat_info.st_size,
&amp;current_index, &amp;f);
if (r == MAILIMF_NO_ERROR) {
clistiter * cur;
for(cur = clist_begin(f-&gt;fld_list) ; cur != NULL ; cur =
clist_next(cur)) {
struct mailmime_field * mime_field;
struct mailimf_field * field;
field = clist_content(cur);
if (field-&gt;fld_type == MAILIMF_FIELD_OPTIONAL_FIELD) {
r = mailmime_field_parse(field-&gt;fld_data.fld_optional_field,
&amp;mime_fields);
if (r == MAILIMF_NO_ERROR) {
display_mime_field(mime_field);
mailmime_field_free(mime_field);
status = EXIT_SUCCESS;
}
}
}
mailimf_fields_free(f);
}
}
munmap(mem, stat_info.st_size);
}
close(fd);
}
exit(status);
}
</PRE
></DIV
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="MAILMIME-ID-PARSE"
>mailmime_id_parse</A
></H2
><PRE
CLASS="PROGRAMLISTING"
>#include &gt;libetpan/libetpan.h&lt;
int mailmime_id_parse(const char * message, size_t length,
size_t * index, char ** result);
</PRE
><P
> This will parse the content of
<B
CLASS="COMMAND"
>Content-ID</B
> MIME header field.
</P
><P
></P
><UL
><LI
><P
> <B
CLASS="COMMAND"
>message</B
> is a string containing
the MIME content identifier.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>length</B
> is the size of the given
string.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>index</B
> is a pointer to the start of
the address in the given string, <B
CLASS="COMMAND"
>(*
index)</B
> is modified to point at the end of the
parsed data.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>result</B
>. The result of the parse
operation is stored in <B
CLASS="COMMAND"
>(* result)</B
>.
The result string must be freed with
<B
CLASS="COMMAND"
>free()</B
>.
</P
></LI
></UL
><DIV
CLASS="EXAMPLE"
><A
NAME="AEN2291"
></A
><P
><B
>Example 4-20. Parsing MIME content identifier</B
></P
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
#include &lt;sys/stat.h&gt;
#include &lt;sys/mman.h&gt;
int main(int argc, char ** argv)
{
int fd;
int r;
status = EXIT_FAILURE;
fd = open("message.rfc2822", O_RDONLY);
if (fd &gt;= 0) {
void * mem;
struct stat stat_info;
r = fstat(fd, &amp;stat_info);
if (r &gt;= 0) {
mem = mmap(NULL, stat_info.st_size, PROT_READ, MAP_PRIVATE);
if (mem != MAP_FAILED) {
struct mailimf_fields * f;
size_t current_index;
current_index = 0;
r = mailimf_fields_parse(mem, stat_info.st_size,
&amp;current_index, &amp;f);
if (r == MAILIMF_NO_ERROR) {
clistiter * cur;
for(cur = clist_begin(f-&gt;fld_list) ; cur != NULL ; cur =
clist_next(cur)) {
struct mailmime_field * mime_field;
struct mailimf_field * field;
field = clist_content(cur);
if (field-&gt;fld_type == MAILIMF_FIELD_OPTIONAL_FIELD) {
if (strcasecmp(field-&gt;fld_data.fld_optional_field-&gt;fld_name,
"Content-ID") == 0) {
char * id;
size_t current_index;
current_index = 0;
r = mailmime_id_parse(field-&gt;fld_data.fld_optional_field-&gt;fld_value,
strlen(field-&gt;fld_data.fld_optional_field-&gt;fld_value),
&amp;current_index, &amp;id);
if (r == MAILIMF_NO_ERROR) {
printf("%s\n", id);
/* do the things */
status = EXIT_SUCCESS;
free(id);
}
}
}
}
mailimf_fields_free(f);
}
}
munmap(mem, stat_info.st_size);
}
close(fd);
}
exit(status);
}
</PRE
></DIV
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="MAILMIME-FIELDS-PARSE"
>mailmime_fields_parse</A
></H2
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
int
mailmime_fields_parse(struct mailimf_fields * fields,
struct mailmime_fields ** result);
</PRE
><P
> This function will parse a MIME header fields.
</P
><P
></P
><UL
><LI
><P
> <B
CLASS="COMMAND"
>fields</B
> is a list of RFC 2822 fields
(see <A
HREF="x425.htm#MAILIMF-FIELDS"
>the Section called <I
>mailimf_fields - list of header fields</I
> in Chapter 3</A
>).
</P
><P
> <B
CLASS="COMMAND"
>result</B
>. The result of the parse
operation is stored in <B
CLASS="COMMAND"
>(* result)</B
>
(see <A
HREF="x1614.htm#MAILMIME-FIELDS"
>the Section called <I
>mailmime_fields - header fields</I
></A
>).
</P
></LI
></UL
><DIV
CLASS="EXAMPLE"
><A
NAME="AEN2307"
></A
><P
><B
>Example 4-21. parsing MIME header fields</B
></P
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
#include &lt;sys/stat.h&gt;
#include &lt;sys/mman.h&gt;
int main(int argc, char ** argv)
{
int fd;
int r;
status = EXIT_FAILURE;
fd = open("message.rfc2822", O_RDONLY);
if (fd &gt;= 0) {
void * mem;
struct stat stat_info;
r = fstat(fd, &amp;stat_info);
if (r &gt;= 0) {
mem = mmap(NULL, stat_info.st_size, PROT_READ, MAP_PRIVATE);
if (mem != MAP_FAILED) {
struct mailimf_fields * f;
size_t current_index;
current_index = 0;
r = mailimf_fields_parse(mem, stat_info.st_size,
&amp;current_index, &amp;f);
if (r == MAILIMF_NO_ERROR) {
struct mailmime_fields * mime_fields;
r = mailmime_fields_parse(f, &amp;mime_fields);
if (r == MAILIMF_NO_ERROR) {
display_mime_fields(mime_fields);
mailmime_fields_free(mime_fields);
status = EXIT_SUCCESS;
}
mailimf_fields_free(f);
}
}
munmap(mem, stat_info.st_size);
}
close(fd);
}
exit(status);
}
</PRE
></DIV
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="MAILMIME-VERSION-PARSE"
>mailmime_version_parse</A
></H2
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
int mailmime_version_parse(const char * message, size_t length,
size_t * index,
uint32_t * result);
</PRE
><P
> This will parse the content of
<B
CLASS="COMMAND"
>MIME-Version</B
> MIME header field.
</P
><P
></P
><UL
><LI
><P
> <B
CLASS="COMMAND"
>message</B
> is a string containing
the MIME version.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>length</B
> is the size of the given
string.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>index</B
> is a pointer to the start of
the address in the given string, <B
CLASS="COMMAND"
>(*
index)</B
> is modified to point at the end of the
parsed data.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>result</B
>. The result of the parse
operation is stored in <B
CLASS="COMMAND"
>(* result)</B
>
(see <A
HREF="x1614.htm#MAILMIME-FIELD"
>the Section called <I
>mailmime_field - MIME header field</I
></A
>).
</P
></LI
></UL
><DIV
CLASS="EXAMPLE"
><A
NAME="AEN2331"
></A
><P
><B
>Example 4-22. parsing MIME version</B
></P
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
#include &lt;sys/stat.h&gt;
#include &lt;sys/mman.h&gt;
int main(int argc, char ** argv)
{
int fd;
int r;
status = EXIT_FAILURE;
fd = open("message.rfc2822", O_RDONLY);
if (fd &gt;= 0) {
void * mem;
struct stat stat_info;
r = fstat(fd, &amp;stat_info);
if (r &gt;= 0) {
mem = mmap(NULL, stat_info.st_size, PROT_READ, MAP_PRIVATE);
if (mem != MAP_FAILED) {
struct mailimf_fields * f;
size_t current_index;
current_index = 0;
r = mailimf_fields_parse(mem, stat_info.st_size,
&amp;current_index, &amp;f);
if (r == MAILIMF_NO_ERROR) {
clistiter * cur;
for(cur = clist_begin(f-&gt;fld_list) ; cur != NULL ; cur =
clist_next(cur)) {
struct mailmime_field * mime_field;
struct mailimf_field * field;
field = clist_content(cur);
if (field-&gt;fld_type == MAILIMF_FIELD_OPTIONAL_FIELD) {
if (strcasecmp(field-&gt;fld_data.fld_optional_field-&gt;fld_name,
"MIME-Version") == 0) {
uint32_t version;
size_t current_index;
current_index = 0;
r = mailmime_version_parse(field-&gt;fld_data.fld_optional_field-&gt;fld_value,
strlen(field-&gt;fld_data.fld_optional_field-&gt;fld_value),
&amp;current_index, &amp;version);
if (r == MAILIMF_NO_ERROR) {
printf("%i.%i\n", version &gt;&gt; 16, version &amp; 0xFFFF);
/* do the things */
status = EXIT_SUCCESS;
free(description);
}
}
}
}
mailimf_fields_free(f);
}
}
munmap(mem, stat_info.st_size);
}
close(fd);
}
exit(status);
}
</PRE
></DIV
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="MAILMIME-PARAMETER-PARSE"
>mailmime_parameter_parse</A
></H2
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
int mailmime_parameter_parse(const char * message, size_t length,
size_t * index,
struct mailmime_parameter ** result);
</PRE
><P
> This will parse a MIME parameter (parameter of
<B
CLASS="COMMAND"
>Content-Type</B
> or parameter of
<B
CLASS="COMMAND"
>Content-Disposition</B
>).
</P
><P
></P
><UL
><LI
><P
> <B
CLASS="COMMAND"
>message</B
> is a string containing
the MIME parameter.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>length</B
> is the size of the given
string.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>index</B
> is a pointer to the start of
the address in the given string, <B
CLASS="COMMAND"
>(*
index)</B
> is modified to point at the end of the
parsed data.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>result</B
>. The result of the parse
operation is stored in <B
CLASS="COMMAND"
>(* result)</B
>
(see <A
HREF="x1614.htm#MAILMIME-PARAMETER"
>the Section called <I
>mailmime_parameter - MIME type parameter</I
></A
>).
</P
></LI
></UL
><DIV
CLASS="EXAMPLE"
><A
NAME="AEN2356"
></A
><P
><B
>Example 4-23. parsing a MIME parameter</B
></P
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
#define PARAM_STR "foo=bar"
int main(int argc, char ** argv)
{
int fd;
int r;
size_t current_index;
struct mailmime_parameter * param;
int status;
status = EXIT_FAILURE;
current_index = 0;
r = mailmime_parameter_parse(PARAM_STR, sizeof(PARAM_STR) - 1,
&amp;current_index, &amp;param);
if (r == MAILIMF_NO_ERROR) {
display_mime_parameter(param);
/* do the things */
mailmime_parameter_free(param);
status = EXIT_SUCCESS;
}
exit(status);
}
</PRE
></DIV
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="MAILMIME-LANGUAGE-PARSE"
>mailmime_language_parse</A
></H2
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
int mailmime_language_parse(const char * message, size_t length,
size_t * index,
struct mailmime_language ** result);
</PRE
><P
> This function will parse the content of a
<B
CLASS="COMMAND"
>Content-Language</B
> header.
</P
><P
></P
><UL
><LI
><P
> <B
CLASS="COMMAND"
>message</B
> is a string containing
the MIME content language.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>length</B
> is the size of the given
string.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>index</B
> is a pointer to the start of
the address in the given string, <B
CLASS="COMMAND"
>(*
index)</B
> is modified to point at the end of the
parsed data.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>result</B
>. The result of the parse
operation is stored in <B
CLASS="COMMAND"
>(* result)</B
>
(see <A
HREF="x1614.htm#MAILMIME-LANGUAGE"
>the Section called <I
>mailmime_language - Language of MIME part</I
></A
>).
</P
></LI
></UL
><DIV
CLASS="EXAMPLE"
><A
NAME="AEN2380"
></A
><P
><B
>Example 4-24. Parsing the MIME content langage</B
></P
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
#include &lt;sys/stat.h&gt;
#include &lt;sys/mman.h&gt;
int main(int argc, char ** argv)
{
int fd;
int r;
status = EXIT_FAILURE;
fd = open("message.rfc2822", O_RDONLY);
if (fd &gt;= 0) {
void * mem;
struct stat stat_info;
r = fstat(fd, &amp;stat_info);
if (r &gt;= 0) {
mem = mmap(NULL, stat_info.st_size, PROT_READ, MAP_PRIVATE);
if (mem != MAP_FAILED) {
struct mailimf_fields * f;
size_t current_index;
current_index = 0;
r = mailimf_fields_parse(mem, stat_info.st_size,
&amp;current_index, &amp;f);
if (r == MAILIMF_NO_ERROR) {
clistiter * cur;
for(cur = clist_begin(f-&gt;fld_list) ; cur != NULL ; cur =
clist_next(cur)) {
struct mailmime_field * mime_field;
struct mailimf_field * field;
field = clist_content(cur);
if (field-&gt;fld_type == MAILIMF_FIELD_OPTIONAL_FIELD) {
if (strcasecmp(field-&gt;fld_data.fld_optional_field-&gt;fld_name,
"Content-Language") == 0) {
struct mailmime_language * lang;
size_t current_index;
current_index = 0;
r = mailmime_id_parse(field-&gt;fld_data.fld_optional_field-&gt;fld_value,
strlen(field-&gt;fld_data.fld_optional_field-&gt;fld_value),
&amp;current_index, &amp;lang);
if (r == MAILIMF_NO_ERROR) {
display_mime_language(lang);
/* do the things */
status = EXIT_SUCCESS;
free(id);
}
}
}
}
mailimf_fields_free(f);
}
}
munmap(mem, stat_info.st_size);
}
close(fd);
}
exit(status);
}
</PRE
></DIV
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="MAILMIME-DISPOSITION-PARSE"
>mailmime_disposition_parse</A
></H2
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
int mailmime_disposition_parse(const char * message, size_t length,
size_t * index,
struct mailmime_disposition ** result);
</PRE
><P
> This function will parse the content of a
<B
CLASS="COMMAND"
>Content-Disposition</B
> MIME header field.
</P
><P
></P
><UL
><LI
><P
> <B
CLASS="COMMAND"
>message</B
> is a string containing
the MIME content disposition.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>length</B
> is the size of the given
string.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>index</B
> is a pointer to the start of
the address in the given string, <B
CLASS="COMMAND"
>(*
index)</B
> is modified to point at the end of the
parsed data.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>result</B
>. The result of the parse
operation is stored in <B
CLASS="COMMAND"
>(* result)</B
>
(see <A
HREF="x1614.htm#MAILMIME-DISPOSITION"
>the Section called <I
>mailmime_disposition - MIME disposition information (Content-Disposition)</I
></A
>).
</P
></LI
></UL
><DIV
CLASS="EXAMPLE"
><A
NAME="AEN2404"
></A
><P
><B
>Example 4-25. Parsing the MIME content disposition</B
></P
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
#include &lt;sys/stat.h&gt;
#include &lt;sys/mman.h&gt;
int main(int argc, char ** argv)
{
int fd;
int r;
status = EXIT_FAILURE;
fd = open("message.rfc2822", O_RDONLY);
if (fd &gt;= 0) {
void * mem;
struct stat stat_info;
r = fstat(fd, &amp;stat_info);
if (r &gt;= 0) {
mem = mmap(NULL, stat_info.st_size, PROT_READ, MAP_PRIVATE);
if (mem != MAP_FAILED) {
struct mailimf_fields * f;
size_t current_index;
current_index = 0;
r = mailimf_fields_parse(mem, stat_info.st_size,
&amp;current_index, &amp;f);
if (r == MAILIMF_NO_ERROR) {
clistiter * cur;
for(cur = clist_begin(f-&gt;fld_list) ; cur != NULL ; cur =
clist_next(cur)) {
struct mailmime_field * mime_field;
struct mailimf_field * field;
field = clist_content(cur);
if (field-&gt;fld_type == MAILIMF_FIELD_OPTIONAL_FIELD) {
if (strcasecmp(field-&gt;fld_data.fld_optional_field-&gt;fld_name,
"Content-Disposition") == 0) {
struct mailmime_disposition * dsp;
size_t current_index;
current_index = 0;
r = mailmime_id_parse(field-&gt;fld_data.fld_optional_field-&gt;fld_value,
strlen(field-&gt;fld_data.fld_optional_field-&gt;fld_value),
&amp;current_index, &amp;dsp);
if (r == MAILIMF_NO_ERROR) {
display_mime_disposition(dsp);
/* do the things */
status = EXIT_SUCCESS;
free(id);
}
}
}
}
mailimf_fields_free(f);
}
}
munmap(mem, stat_info.st_size);
}
close(fd);
}
exit(status);
}
</PRE
></DIV
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="MAILMIME-DISPOSITION-TYPE-PARSE"
>mailmime_disposition_type_parse</A
></H2
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
int
mailmime_disposition_type_parse(const char * message, size_t length,
size_t * index,
struct mailmime_disposition_type **
result);
</PRE
><P
> This function will parse the type of MIME content
disposition.
</P
><P
></P
><UL
><LI
><P
> <B
CLASS="COMMAND"
>message</B
> is a string containing
the MIME content disposition type.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>length</B
> is the size of the given
string.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>index</B
> is a pointer to the start of
the address in the given string, <B
CLASS="COMMAND"
>(*
index)</B
> is modified to point at the end of the
parsed data.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>result</B
>. The result of the parse
operation is stored in <B
CLASS="COMMAND"
>(* result)</B
>
(see <A
HREF="x1614.htm#MAILMIME-DISPOSITION-TYPE"
>the Section called <I
>mailmime_disposition_type - Type of MIME disposition</I
></A
>).
</P
></LI
></UL
><DIV
CLASS="EXAMPLE"
><A
NAME="AEN2427"
></A
><P
><B
>Example 4-26. parsing a MIME content disposition type</B
></P
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
#define DSP_TYPE_STR "attachment"
int main(int argc, char ** argv)
{
int fd;
int r;
size_t current_index;
struct mailmime_disposition_type * dsp_type;
int status;
status = EXIT_FAILURE;
current_index = 0;
r = mailmime_disposition_type_parse(DSP_TYPE_STR, sizeof(DSP_TYPE_STR) - 1,
&amp;current_index, &amp;dsp_type);
if (r == MAILIMF_NO_ERROR) {
display_mime_disposition_type(dsp_type);
/* do the things */
mailmime_disposition_type_free(dsp_type);
status = EXIT_SUCCESS;
}
exit(status);
}
</PRE
></DIV
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="MAILMIME-ENCODED-PHRASE-PARSE"
>mailmime_encoded_phrase_parse</A
></H2
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
int mailmime_encoded_phrase_parse(const char * default_fromcode,
const char * message, size_t length,
size_t * index, const char * tocode,
char ** result);
</PRE
><P
> This function will decode a MIME encoded header string,
encoded with RFC 2047.
</P
><P
></P
><UL
><LI
><P
> <B
CLASS="COMMAND"
>default_fromcode</B
> is the default
code to use for parts of string that are not marked
with charset.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>message</B
> is the string to decode.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>length</B
> is the size of the given
string.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>index</B
> is a pointer to the start of
the address in the given string, <B
CLASS="COMMAND"
>(*
index)</B
> is modified to point at the end of the
parsed data.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>tocode</B
> is the destination charset
for decoding.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>result</B
>. The result of the parse
operation is stored in <B
CLASS="COMMAND"
>(* result)</B
>.
</P
></LI
></UL
><DIV
CLASS="EXAMPLE"
><A
NAME="AEN2455"
></A
><P
><B
>Example 4-27. decoding a MIME encoded header string</B
></P
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
#define TEST_STRING "=?iso-8859-1?ab?= =?iso-8859-15?cd?="
int main(int argc, char ** argv)
{
size_t cur_token;
char * decoded_subject;
cur_token = 0;
mailmime_encoded_phrase_parse("iso-8859-1",
TEST_STRING, sizeof(TEST_STRING),
&amp;cur_token, "iso-8859-1", &amp;decoded_subject);
printf("%s\n", decoded_subject);
/* do the things */
free(decoded_subject);
}
</PRE
></DIV
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="MAILMIME-PARSE"
>mailmime_parse</A
></H2
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
int mailmime_parse(const char * message, size_t length,
size_t * index, struct mailmime ** result);
</PRE
><P
> This will parse a MIME message.
</P
><P
></P
><UL
><LI
><P
> <B
CLASS="COMMAND"
>message</B
> is a string containing
the MIME message.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>length</B
> is the size of the given
string.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>index</B
> is a pointer to the start of
the address in the given string, <B
CLASS="COMMAND"
>(*
index)</B
> is modified to point at the end of the
parsed data.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>result</B
>. The result of the parse
operation is stored in <B
CLASS="COMMAND"
>(* result)</B
>
(see <A
HREF="x1614.htm#MAILMIME"
>the Section called <I
>mailmime - MIME part</I
></A
>).
</P
></LI
></UL
><DIV
CLASS="EXAMPLE"
><A
NAME="AEN2478"
></A
><P
><B
>Example 4-28. parsing a MIME message</B
></P
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
#include &lt;sys/stat.h&gt;
#include &lt;sys/mman.h&gt;
int main(int argc, char ** argv)
{
int fd;
int r;
status = EXIT_FAILURE;
fd = open("message.rfc2822", O_RDONLY);
if (fd &gt;= 0) {
void * mem;
struct stat stat_info;
r = fstat(fd, &amp;stat_info);
if (r &gt;= 0) {
mem = mmap(NULL, stat_info.st_size, PROT_READ, MAP_PRIVATE);
if (mem != MAP_FAILED) {
struct mailmime * mime;
size_t current_index;
current_index = 0;
r = mailmime_parse(mem, stat_info.st_size,
&amp;current_index, &amp;mime);
if (r == MAILIMF_NO_ERROR) {
display_mime(mime);
/* do the things */
status = EXIT_SUCCESS;
mailmime_free(mime);
}
}
munmap(mem, stat_info.st_size);
}
close(fd);
}
exit(status);
}
</PRE
></DIV
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="MAILMIME-BASE64-BODY-PARSE"
>mailmime_base64_body_parse</A
></H2
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
int mailmime_base64_body_parse(const char * message, size_t length,
size_t * index, char ** result,
size_t * result_len);
</PRE
><P
> This function will parse a body part encoded using base64.
</P
><P
></P
><UL
><LI
><P
> <B
CLASS="COMMAND"
>message</B
> is a string encoded using
base64.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>length</B
> is the size of the given
string.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>index</B
> is a pointer to the start of
the address in the given string, <B
CLASS="COMMAND"
>(*
index)</B
> is modified to point at the end of the
parsed data.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>result</B
>. The result of the parse
operation is stored in <B
CLASS="COMMAND"
>(* result)</B
>
The result must be freed with
<B
CLASS="COMMAND"
>mmap_string_unref()</B
>.
</P
></LI
></UL
><DIV
CLASS="EXAMPLE"
><A
NAME="AEN2501"
></A
><P
><B
>Example 4-29. Parsing a base64 encoded part</B
></P
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
#include &lt;sys/stat.h&gt;
#include &lt;sys/mman.h&gt;
int main(int argc, char ** argv)
{
int fd;
int r;
status = EXIT_FAILURE;
fd = open("message.rfc2822", O_RDONLY);
if (fd &gt;= 0) {
void * mem;
struct stat stat_info;
r = fstat(fd, &amp;stat_info);
if (r &gt;= 0) {
mem = mmap(NULL, stat_info.st_size, PROT_READ, MAP_PRIVATE);
if (mem != MAP_FAILED) {
struct mailimf_fields * f;
size_t current_index;
char * result;
size_t result_len;
current_index = 0;
r = mailmime_base64_body_parse(mem, stat_info.st_size,
&amp;current_index, &amp;result, &amp;result_len);
if (r == MAILIMF_NO_ERROR) {
/* do the things */
mailmime_decoded_part_free(mem);
status = EXIT_SUCCESS;
}
}
munmap(mem, stat_info.st_size);
}
close(fd);
}
exit(status);
}
</PRE
></DIV
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="MAILMIME-QUOTED-PRINTABLE-BODY-PARSE"
>mailmime_quoted_printable_body_parse</A
></H2
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
int mailmime_quoted_printable_body_parse(const char * message, size_t length,
size_t * index, char ** result,
size_t * result_len, int in_header);
</PRE
><P
> This function will parse a body part encoded using quoted
printable.
</P
><P
></P
><UL
><LI
><P
> <B
CLASS="COMMAND"
>message</B
> is a string encoded using
quoted printable.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>length</B
> is the size of the given
string.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>index</B
> is a pointer to the start of
the address in the given string, <B
CLASS="COMMAND"
>(*
index)</B
> is modified to point at the end of the
parsed data.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>result</B
>. The result of the parse
operation is stored in <B
CLASS="COMMAND"
>(* result)</B
>
The result must be freed with
<B
CLASS="COMMAND"
>mmap_string_unref()</B
>.
</P
></LI
></UL
><DIV
CLASS="EXAMPLE"
><A
NAME="AEN2524"
></A
><P
><B
>Example 4-30. Parsing a quoted printable encoded part</B
></P
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
#include &lt;sys/stat.h&gt;
#include &lt;sys/mman.h&gt;
int main(int argc, char ** argv)
{
int fd;
int r;
status = EXIT_FAILURE;
fd = open("message.rfc2822", O_RDONLY);
if (fd &gt;= 0) {
void * mem;
struct stat stat_info;
r = fstat(fd, &amp;stat_info);
if (r &gt;= 0) {
mem = mmap(NULL, stat_info.st_size, PROT_READ, MAP_PRIVATE);
if (mem != MAP_FAILED) {
struct mailimf_fields * f;
size_t current_index;
char * result;
size_t result_len;
current_index = 0;
r = mailmime_quoted_printable_body_parse(mem, stat_info.st_size,
&amp;current_index, &amp;result, &amp;result_len);
if (r == MAILIMF_NO_ERROR) {
/* do the things */
mailmime_decoded_part_free(mem);
status = EXIT_SUCCESS;
}
}
munmap(mem, stat_info.st_size);
}
close(fd);
}
exit(status);
}
</PRE
></DIV
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="MAILMIME-BINARY-BODY-PARSE"
>mailmime_binary_body_parse</A
></H2
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
int mailmime_binary_body_parse(const char * message, size_t length,
size_t * index, char ** result,
size_t * result_len);
</PRE
><P
> This function will parse a body part encoded using binary
(no encoding).
</P
><P
></P
><UL
><LI
><P
> <B
CLASS="COMMAND"
>message</B
> is a string encoded using
binary.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>length</B
> is the size of the given
string.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>index</B
> is a pointer to the start of
the address in the given string, <B
CLASS="COMMAND"
>(*
index)</B
> is modified to point at the end of the
parsed data.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>result</B
>. The result of the parse
operation is stored in <B
CLASS="COMMAND"
>(* result)</B
>
The result must be freed with
<B
CLASS="COMMAND"
>mmap_string_unref()</B
>.
</P
></LI
></UL
><DIV
CLASS="EXAMPLE"
><A
NAME="AEN2547"
></A
><P
><B
>Example 4-31. Parsing a binary encoded part</B
></P
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
#include &lt;sys/stat.h&gt;
#include &lt;sys/mman.h&gt;
int main(int argc, char ** argv)
{
int fd;
int r;
status = EXIT_FAILURE;
fd = open("message.rfc2822", O_RDONLY);
if (fd &gt;= 0) {
void * mem;
struct stat stat_info;
r = fstat(fd, &amp;stat_info);
if (r &gt;= 0) {
mem = mmap(NULL, stat_info.st_size, PROT_READ, MAP_PRIVATE);
if (mem != MAP_FAILED) {
struct mailimf_fields * f;
size_t current_index;
char * result;
size_t result_len;
current_index = 0;
r = mailmime_binary_body_parse(mem, stat_info.st_size,
&amp;current_index, &amp;result, &amp;result_len);
if (r == MAILIMF_NO_ERROR) {
/* do the things */
mailmime_decoded_part_free(mem);
status = EXIT_SUCCESS;
}
}
munmap(mem, stat_info.st_size);
}
close(fd);
}
exit(status);
}
</PRE
></DIV
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="MAILMIME-PART-PARSE"
>mailmime_part_parse</A
></H2
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
enum {
MAILMIME_MECHANISM_ERROR,
MAILMIME_MECHANISM_7BIT,
MAILMIME_MECHANISM_8BIT,
MAILMIME_MECHANISM_BINARY,
MAILMIME_MECHANISM_QUOTED_PRINTABLE,
MAILMIME_MECHANISM_BASE64,
MAILMIME_MECHANISM_TOKEN
};
int mailmime_part_parse(const char * message, size_t length,
size_t * index,
int encoding, char ** result, size_t * result_len);
</PRE
><P
> This function will parse a body part encoded using a
given MIME encoding mechanism.
</P
><P
></P
><UL
><LI
><P
> <B
CLASS="COMMAND"
>message</B
> is a string encoded using
binary.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>length</B
> is the size of the given
string.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>index</B
> is a pointer to the start of
the address in the given string, <B
CLASS="COMMAND"
>(*
index)</B
> is modified to point at the end of the
parsed data.
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>encoding</B
> is a MIME encoding
mechanism. The value can be
<B
CLASS="COMMAND"
>MAILMIME_MECHANISM_7BIT</B
>,
<B
CLASS="COMMAND"
>MAILMIME_MECHANISM_8BIT</B
>,
<B
CLASS="COMMAND"
>MAILMIME_MECHANISM_BINARY</B
>,
<B
CLASS="COMMAND"
>MAILMIME_MECHANISM_QUOTED_PRINTABLE</B
>,
<B
CLASS="COMMAND"
>MAILMIME_MECHANISM_BASE64</B
> or
<B
CLASS="COMMAND"
>MAILMIME_MECHANISM_TOKEN</B
>
(see <A
HREF="x1614.htm#MAILMIME-MECHANISM"
>the Section called <I
>mailmime_mechanism - MIME transfer encoding mechanism (Content-Transfer-Encoding)</I
></A
>).
</P
></LI
><LI
><P
> <B
CLASS="COMMAND"
>result</B
>. The result of the parse
operation is stored in <B
CLASS="COMMAND"
>(* result)</B
>
The result must be freed with
<B
CLASS="COMMAND"
>mmap_string_unref()</B
>.
</P
></LI
></UL
><DIV
CLASS="EXAMPLE"
><A
NAME="AEN2580"
></A
><P
><B
>Example 4-32. Parsing a MIME encoded part</B
></P
><PRE
CLASS="PROGRAMLISTING"
>#include &lt;libetpan/libetpan.h&gt;
#include &lt;sys/stat.h&gt;
#include &lt;sys/mman.h&gt;
int main(int argc, char ** argv)
{
int fd;
int r;
status = EXIT_FAILURE;
fd = open("message.rfc2822", O_RDONLY);
if (fd &gt;= 0) {
void * mem;
struct stat stat_info;
r = fstat(fd, &amp;stat_info);
if (r &gt;= 0) {
mem = mmap(NULL, stat_info.st_size, PROT_READ, MAP_PRIVATE);
if (mem != MAP_FAILED) {
struct mailimf_fields * f;
size_t current_index;
char * result;
size_t result_len;
current_index = 0;
r = mailmime_part_parse(mem, stat_info.st_size, &amp;current_index,
MAILMIME_MECHANISM_QUOTED_PRINTABLE, &amp;result, &amp;result_len);
if (r == MAILIMF_NO_ERROR) {
/* do the things */
mailmime_decoded_part_free(mem);
status = EXIT_SUCCESS;
}
}
munmap(mem, stat_info.st_size);
}
close(fd);
}
exit(status);
}
</PRE
></DIV
></DIV
></DIV
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
SUMMARY="Footer navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><A
HREF="x1614.htm"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="book1.htm"
ACCESSKEY="H"
>Home</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="x2583.htm"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>Data types</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="c1586.htm"
ACCESSKEY="U"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>Rendering of MIME parts</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>