diff options
Diffstat (limited to 'source3/registry/reg_util.c')
-rw-r--r-- | source3/registry/reg_util.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/source3/registry/reg_util.c b/source3/registry/reg_util.c index 9f19db2646..4338699c00 100644 --- a/source3/registry/reg_util.c +++ b/source3/registry/reg_util.c @@ -125,3 +125,107 @@ char* reg_remaining_path( const char *key ) return p; } +/********************************************************************** +*********************************************************************/ + +int regval_convert_multi_sz( uint16 *multi_string, size_t multi_len, char ***values ) +{ + char **sz; + int i; + int num_strings = 0; + fstring buffer; + uint16 *wp; + + *values = NULL; + + /* just count the NULLs */ + + for ( i=0; (i<multi_len-1) && !(multi_string[i]==0x0 && multi_string[i+1]==0x0); i++ ) { + if ( multi_string[i] == 0x0 ) + num_strings++; + } + + if ( num_strings == 0 ) + return 0; + + if ( !(sz = TALLOC_ARRAY( NULL, char*, num_strings+1 )) ) { + DEBUG(0,("reg_convert_multi_sz: talloc() failed!\n")); + return -1; + } + + wp = multi_string; + + for ( i=0; i<num_strings; i++ ) { + rpcstr_pull( buffer, wp, sizeof(buffer), -1, STR_TERMINATE ); + sz[i] = talloc_strdup( sz, buffer ); + + /* skip to the next string NULL and then one more */ + while ( *wp ) + wp++; + wp++; + } + + /* tag the array off with an empty string */ + sz[i] = '\0'; + + *values = sz; + + return num_strings; +} + +/********************************************************************** + Returns number of bytes, not number of unicode characters +*********************************************************************/ + +size_t regval_build_multi_sz( char **values, uint16 **buffer ) +{ + int i; + size_t buf_size = 0; + uint16 *buf, *b; + UNISTR2 sz; + + /* go ahead and alloc some space */ + + if ( !(buf = TALLOC_ARRAY( NULL, uint16, 2 )) ) { + DEBUG(0,("regval_build_multi_sz: talloc() failed!\n")); + return 0; + } + + for ( i=0; values[i]; i++ ) { + ZERO_STRUCT( sz ); + + init_unistr2( &sz, values[i], UNI_STR_TERMINATE ); + + /* Alloc some more memory. Always add one one to account for the + double NULL termination */ + + b = TALLOC_REALLOC_ARRAY( NULL, buf, uint16, buf_size+sz.uni_str_len+1 ); + if ( !b ) { + DEBUG(0,("regval_build_multi_sz: talloc() reallocation error!\n")); + TALLOC_FREE( buffer ); + return 0; + } + buf = b; + + /* copy the unistring2 buffer and increment the size */ + + memcpy( buf+buf_size, sz.buffer, sz.uni_str_len ); + buf_size += sz.uni_str_len; + + /* cleanup rather than leaving memory hanging around */ + TALLOC_FREE( sz.buffer ); + } + + buf[buf_size++] = 0x0; + + *buffer = buf; + + /* return number of bytes */ + return buf_size*2; +} + + + + + + |