diff options
Diffstat (limited to 'lib/misc.c')
| -rw-r--r-- | lib/misc.c | 52 |
1 files changed, 52 insertions, 0 deletions
@@ -728,3 +728,55 @@ char **split_command_parts( char *command ) 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 ); +} |