Changeset 9b0ad7e for lib/misc.c

Timestamp:

2011-12-19T00:00:31Z (12 years ago)

Author:

Wilmer van der Gaast <wilmer@…>

Branches:

master

Children:

bf57cd1

Parents:

64b6635

Message:

Moving msn_findheader() to lib/misc.c as get_rfc822_header() so I can use it
in OAuth as well. (Need it to find the Content-Type: header.)

File:

• lib/misc.c (modified) (1 diff)

lib/misc.c

@@ -729 +729 @@
         return cmd;
 }
+
+char *get_rfc822_header( char *text, char *header, int len )
+{
+        int hlen = strlen( header ), i;
+        char *ret;
+        
+        if( len == 0 )
+                len = strlen( text );
+        
+        i = 0;
+        while( ( i + hlen ) < len )
+        {
+                /* Maybe this is a bit over-commented, but I just hate this part... */
+                if( g_strncasecmp( text + i, header, hlen ) == 0 )
+                {
+                        /* Skip to the (probable) end of the header */
+                        i += hlen;
+                        
+                        /* Find the first non-[: \t] character */
+                        while( i < len && ( text[i] == ':' || text[i] == ' ' || text[i] == '\t' ) ) i ++;
+                        
+                        /* Make sure we're still inside the string */
+                        if( i >= len ) return( NULL );
+                        
+                        /* Save the position */
+                        ret = text + i;
+                        
+                        /* Search for the end of this line */
+                        while( i < len && text[i] != '\r' && text[i] != '\n' ) i ++;
+                        
+                        /* Make sure we're still inside the string */
+                        if( i >= len ) return( NULL );
+                        
+                        /* Copy the found data */
+                        return( g_strndup( ret, text + i - ret ) );
+                }
+                
+                /* This wasn't the header we were looking for, skip to the next line. */
+                while( i < len && ( text[i] != '\r' && text[i] != '\n' ) ) i ++;
+                while( i < len && ( text[i] == '\r' || text[i] == '\n' ) ) i ++;
+                
+                /* End of headers? */
+                if( ( i >= 4 && strncmp( text + i - 4, "\r\n\r\n", 4 ) == 0 ) ||
+                    ( i >= 2 && ( strncmp( text + i - 2, "\n\n", 2 ) == 0 ||   
+                                  strncmp( text + i - 2, "\r\r", 2 ) == 0 ) ) )
+                {
+                        break;
+                }
+        }
+        
+        return( NULL );
+}