/* This is the lexer. Build a token up in buf, null terminate it, and
return a pointer to buf. Clients must copy this out of buf before
making any more calls to gettoken. */
static char *gettoken(reader *r) {
int ch;
/* If we have a valid lookahead, just return the buffer again. */
if(r->token_la_valid) { r->token_la_valid = 0; return r->buf; }
/* Empty the buffer */
r->bufused = 0;
/* Skip whitespace and comments.
Comments begin with a ; and continue to the end of
the line. */
do {
if((ch = r->char_reader(r)) == EOF)
return NULL;
if(ch == ';') {
do {
ch = r->char_reader(r);
} while(ch != '\n' && ch != EOF);
if(ch == EOF) return NULL;
}
} while(isspace(ch));
add_to_buf(r, ch);
/* If the token begins with one of these characters, then we know
we are about to return. */
if(strchr("()\'`,;", ch)) {
if(ch == ',') {
/* Treat ,@ as a single token. It will be converted into
unquote_splicing. */
ch = r->char_reader(r);
if(ch == '@')
add_to_buf(r, ch);
else
put_back_char(r, ch);
}
r->buf[r->bufused] = '\0';
return r->buf;
}
/* Keep reading characters until we find a whitespace or a character
that begins a new token. */
for(;;) {
if((ch = r->char_reader(r)) == EOF)
return NULL;
if(strchr("()\'", ch) || isspace(ch)) {
/* We have found a whitespace, a parenthesis, or a single
quote. Put it back, null terminate the buffer, and return. */
put_back_char(r, ch);
r->buf[r->bufused] = '\0';
return r->buf;
}
add_to_buf(r, ch);
}
}
void VG_(end_msg) ( void )
{
if (VG_(clo_logfile_fd) >= 0) {
add_to_buf('\n');
VG_(write)(VG_(clo_logfile_fd), vg_mbuf, VG_(strlen)(vg_mbuf));
}
}
void scproc(SDL_Event e, int release) {
/*if (e.key.keysym.sym == SDLK_UP) {
if (!release)
dump_mem();
} else {*/
unsigned int scancode = get_scancode(e);
unsigned char esc = (scancode>>8)&0xFF;
unsigned char pkt = (scancode>>0)&0xFF;
if (release)
add_to_buf(0xF0);
if (esc)
add_to_buf(esc);
if (pkt)
add_to_buf(pkt);
/*}*/
}
void VG_(end_msg) ( void )
{
if (VG_(clo_logfile_fd) >= 0) {
add_to_buf('\n');
VG_(send_bytes_to_logging_sink) (
vg_mbuf, VG_(strlen)(vg_mbuf) );
}
}
/* main function of the polling thread
*/
static int lirc_thread(void *irctl)
{
struct irctl *ir = irctl;
lock_kernel();
/* This thread doesn't need any user-level access,
* so get rid of all our resources
*/
exit_mm(current);
exit_files(current);
exit_fs(current);
current->session = 1;
current->pgrp = 1;
current->euid = 0;
current->tty = NULL;
sigfillset(¤t->blocked);
strcpy(current->comm, "lirc_dev");
unlock_kernel();
if (ir->t_notify != NULL) {
up(ir->t_notify);
}
dprintk(LOGHEAD "poll thread started\n", ir->p.name, ir->p.minor);
do {
if (ir->open) {
if (ir->jiffies_to_wait) {
current->state = TASK_INTERRUPTIBLE;
schedule_timeout(ir->jiffies_to_wait);
} else {
interruptible_sleep_on(ir->p.get_queue(ir->p.data));
}
if (signal_pending(current)) {
break;
}
if (!add_to_buf(ir)) {
wake_up_interruptible(&ir->wait_poll);
}
} else {
/* if device not opened so we can sleep half a second */
current->state = TASK_INTERRUPTIBLE;
schedule_timeout(HZ/2);
}
} while (!ir->shutdown && !signal_pending(current));
ir->tpid = -1;
if (ir->t_notify != NULL) {
up(ir->t_notify);
}
dprintk(LOGHEAD "poll thread ended\n", ir->p.name, ir->p.minor);
return 0;
}
int VG_(end_msg) ( void )
{
int count = 0;
if (VG_(clo_log_fd) >= 0) {
add_to_buf('\n');
VG_(send_bytes_to_logging_sink) (
vg_mbuf, VG_(strlen)(vg_mbuf) );
count = 1;
}
return count;
}
static void *reader (void *arg) {
struct ftdi_context *handle = (struct ftdi_context *)(arg);
unsigned char buf[0x1000];
int br, i;
while (1) {
pthread_testcancel();
br = ftdi_read_data (handle, buf, sizeof(buf));
for (i=0; i<br; i++)
add_to_buf (buf[i]);
}
return NULL;
}
// return 0: success, message is buffered in retP->buf with retP->buf_len bytes
// return 1: read more, continue until return <=0
// error code:
// -1: client connection error
// -2: bad request, cannot parse request
// -3: out of resource
//
static int
handle_read( request* reqP )
{
int r;
char buf[1024];
// Read in request from client
r = read( reqP->conn_fd, buf, sizeof(buf) );
add_to_buf( reqP, buf, r );
if ( strstr( reqP->buf, "\015\012\015\012" ) == (char*) 0 &&
strstr( reqP->buf, "\012\012" ) == (char*) 0 ) return 1;
return 0;
}
int mn_recv(int sock, char *client_message, int *mn, struct mes_buf mesbuf[100], struct timeval *timeout, fd_set *readset){
char msg_with_n[BUFLEN], tmp[BUFLEN];
int read_size, new_mn, buf_read_size, reason;
while(reason = select(sock+1, readset, NULL, NULL, timeout) > 0){
if( (read_size = recv(sock , msg_with_n, BUFLEN , 0)) > 0){
if(strncmp(msg_with_n,"BEY",3) == 0){
return -1;
}
new_mn = get_mn(msg_with_n);
if( (buf_read_size = get_from_buf(*mn+1, mesbuf, tmp)) > 0){
*mn = *mn + 1;
strcpy(client_message, tmp);
return buf_read_size;
}
else{
strcpy(tmp, msg_with_n+4);
if( new_mn == *mn + 1){
*mn = *mn + 1;
strcpy(client_message, tmp);
return strlen(client_message);
}
else{
if(new_mn > *mn + 1){
add_to_buf(new_mn, tmp, &mesbuf[100]);
}
if(new_mn < *mn + 1) puts("duplicated message");
}
}
}
}
if( (buf_read_size = get_from_buf(*mn+1, mesbuf, tmp)) > 0){
*mn = *mn + 1;
return buf_read_size;
}
return reason;
}
static void create_dng_header(struct raw_info * raw_info){
int i,j;
int extra_offset;
int raw_offset;
struct dir_entry ifd0[]={
{0xFE, T_LONG, 1, 1}, // NewSubFileType: Preview Image
{0x100, T_LONG, 1, dng_th_width}, // ImageWidth
{0x101, T_LONG, 1, dng_th_height}, // ImageLength
{0x102, T_SHORT, 3, (int)cam_PreviewBitsPerSample}, // BitsPerSample: 8,8,8
{0x103, T_SHORT, 1, 1}, // Compression: Uncompressed
{0x106, T_SHORT, 1, 2}, // PhotometricInterpretation: RGB
{0x10E, T_ASCII, sizeof(dng_image_desc), (int)dng_image_desc}, // ImageDescription
{0x10F, T_ASCII, sizeof(CAM_MAKE), (int)CAM_MAKE}, // Make
{0x110, T_ASCII, 32, (int)cam_name}, // Model: Filled at header generation.
{0x111, T_LONG, 1, 0}, // StripOffsets: Offset
{0x112, T_SHORT, 1, 1}, // Orientation: 1 - 0th row is top, 0th column is left
{0x115, T_SHORT, 1, 3}, // SamplesPerPixel: 3
{0x116, T_SHORT, 1, dng_th_height}, // RowsPerStrip
{0x117, T_LONG, 1, dng_th_width*dng_th_height*3}, // StripByteCounts = preview size
{0x11C, T_SHORT, 1, 1}, // PlanarConfiguration: 1
{0x131, T_ASCII|T_PTR,32, 0}, // Software
{0x132, T_ASCII, 20, (int)cam_datetime}, // DateTime
{0x13B, T_ASCII|T_PTR,64, (int)dng_artist_name}, // Artist: Filled at header generation.
{0x14A, T_LONG, 1, 0}, // SubIFDs offset
{0x8298, T_ASCII|T_PTR,64, (int)dng_copyright}, // Copyright
{0x8769, T_LONG, 1, 0}, // EXIF_IFD offset
{0x9216, T_BYTE, 4, 0x00000001}, // TIFF/EPStandardID: 1.0.0.0
{0xA431, T_ASCII, sizeof(cam_serial), (int)cam_serial}, // Exif.Photo.BodySerialNumber
{0xA434, T_ASCII, sizeof(dng_lens_model), (int)dng_lens_model}, // Exif.Photo.LensModel
{0xC612, T_BYTE, 4, 0x00000301}, // DNGVersion: 1.3.0.0
{0xC613, T_BYTE, 4, 0x00000301}, // DNGBackwardVersion: 1.1.0.0
{0xC614, T_ASCII, 32, (int)cam_name}, // UniqueCameraModel. Filled at header generation.
{0xC621, T_SRATIONAL, 9, (int)&camera_sensor.color_matrix1},
{0xC627, T_RATIONAL, 3, (int)cam_AnalogBalance},
{0xC628, T_RATIONAL, 3, (int)cam_AsShotNeutral},
{0xC62A, T_SRATIONAL, 1, (int)&camera_sensor.exposure_bias},
{0xC62B, T_RATIONAL, 1, (int)cam_BaselineNoise},
{0xC62C, T_RATIONAL, 1, (int)cam_BaselineSharpness},
{0xC62E, T_RATIONAL, 1, (int)cam_LinearResponseLimit},
{0xC65A, T_SHORT, 1, 21}, // CalibrationIlluminant1 D65
{0xC65B, T_SHORT, 1, 21}, // CalibrationIlluminant2 D65 (change this if ColorMatrix2 is added)
{0xC764, T_SRATIONAL, 1, (int)cam_FrameRate},
};
struct dir_entry ifd1[]={
{0xFE, T_LONG, 1, 0}, // NewSubFileType: Main Image
{0x100, T_LONG|T_PTR, 1, (int)&camera_sensor.raw_rowpix}, // ImageWidth
{0x101, T_LONG|T_PTR, 1, (int)&camera_sensor.raw_rows}, // ImageLength
{0x102, T_SHORT|T_PTR,1, (int)&camera_sensor.bits_per_pixel},// BitsPerSample
{0x103, T_SHORT, 1, 1}, // Compression: Uncompressed
{0x106, T_SHORT, 1, 0x8023}, // PhotometricInterpretation: CFA
{0x111, T_LONG, 1, 0}, // StripOffsets: Offset
{0x115, T_SHORT, 1, 1}, // SamplesPerPixel: 1
{0x116, T_SHORT|T_PTR,1, (int)&camera_sensor.raw_rows}, // RowsPerStrip
{0x117, T_LONG|T_PTR, 1, (int)&camera_sensor.raw_size}, // StripByteCounts = CHDK RAW size
{0x11A, T_RATIONAL, 1, (int)cam_Resolution}, // XResolution
{0x11B, T_RATIONAL, 1, (int)cam_Resolution}, // YResolution
{0x11C, T_SHORT, 1, 1}, // PlanarConfiguration: 1
{0x128, T_SHORT, 1, 2}, // ResolutionUnit: inch
{0x828D, T_SHORT, 2, 0x00020002}, // CFARepeatPatternDim: Rows = 2, Cols = 2
{0x828E, T_BYTE|T_PTR, 4, (int)&camera_sensor.cfa_pattern},
{0xC61A, T_LONG|T_PTR, 1, (int)&camera_sensor.black_level}, // BlackLevel
{0xC61D, T_LONG|T_PTR, 1, (int)&camera_sensor.white_level}, // WhiteLevel
{0xC61F, T_LONG, 2, (int)&camera_sensor.crop.origin},
{0xC620, T_LONG, 2, (int)&camera_sensor.crop.size},
{0xC68D, T_LONG, 4, (int)&camera_sensor.dng_active_area},
{0xC740, T_UNDEFINED|T_PTR, sizeof(badpixel_opcode), (int)&badpixel_opcode},
};
struct dir_entry exif_ifd[]={
{0x829A, T_RATIONAL, 1, (int)cam_shutter}, // Shutter speed
{0x829D, T_RATIONAL, 1, (int)cam_aperture}, // Aperture
{0x8822, T_SHORT, 1, 0}, // ExposureProgram
{0x8827, T_SHORT|T_PTR,1, (int)&exif_data.iso}, // ISOSpeedRatings
{0x9000, T_UNDEFINED, 4, 0x31323230}, // ExifVersion: 2.21
{0x9003, T_ASCII, 20, (int)cam_datetime}, // DateTimeOriginal
{0x9201, T_SRATIONAL, 1, (int)cam_apex_shutter}, // ShutterSpeedValue (APEX units)
{0x9202, T_RATIONAL, 1, (int)cam_apex_aperture}, // ApertureValue (APEX units)
{0x9204, T_SRATIONAL, 1, (int)cam_exp_bias}, // ExposureBias
{0x9205, T_RATIONAL, 1, (int)cam_max_av}, // MaxApertureValue
{0x9207, T_SHORT, 1, 0}, // Metering mode
{0x9209, T_SHORT, 1, 0}, // Flash mode
{0x920A, T_RATIONAL, 1, (int)cam_focal_length}, // FocalLength
{0x9290, T_ASCII|T_PTR,4, (int)cam_subsectime}, // DateTime milliseconds
{0x9291, T_ASCII|T_PTR,4, (int)cam_subsectime}, // DateTimeOriginal milliseconds
{0xA405, T_SHORT|T_PTR,1, (int)&exif_data.effective_focal_length}, // FocalLengthIn35mmFilm
};
struct
{
struct dir_entry* entry;
int count; // Number of entries to be saved
int entry_count; // Total number of entries
} ifd_list[] =
{
{ifd0, DIR_SIZE(ifd0), DIR_SIZE(ifd0)},
{ifd1, DIR_SIZE(ifd1), DIR_SIZE(ifd1)},
{exif_ifd, DIR_SIZE(exif_ifd), DIR_SIZE(exif_ifd)},
};
ifd0[DNG_VERSION_INDEX].offset = BE(0x01030000);
ifd1[BADPIXEL_OPCODE_INDEX].type &= ~T_SKIP;
// Set CFAPattern value
switch (camera_sensor.cfa_pattern)
{
case 0x02010100:
badpixel_opcode[BADPIX_CFA_INDEX] = BE(1); // BayerPhase = 1 (top left pixel is green in a green/red row)
break;
case 0x01020001:
badpixel_opcode[BADPIX_CFA_INDEX] = BE(0); // BayerPhase = 0 (top left pixel is red)
break;
case 0x01000201:
badpixel_opcode[BADPIX_CFA_INDEX] = BE(3); // BayerPhase = 3 (top left pixel is blue)
break;
case 0x00010102:
badpixel_opcode[BADPIX_CFA_INDEX] = BE(2); // BayerPhase = 2 (top left pixel is green in a green/blue row)
break;
}
// filling EXIF fields
int ifd_count = DIR_SIZE(ifd_list);
// Fix the counts and offsets where needed
ifd0[CAMERA_NAME_INDEX].count = ifd0[UNIQUE_CAMERA_MODEL_INDEX].count = strlen(cam_name) + 1;
ifd0[CHDK_VER_INDEX].offset = (int)software_ver;
ifd0[CHDK_VER_INDEX].count = strlen(software_ver) + 1;
ifd0[ARTIST_NAME_INDEX].count = strlen(dng_artist_name) + 1;
ifd0[COPYRIGHT_INDEX].count = strlen(dng_copyright) + 1;
//~ ifd0[ORIENTATION_INDEX].offset = get_orientation_for_exif(exif_data.orientation);
//~ exif_ifd[EXPOSURE_PROGRAM_INDEX].offset = get_exp_program_for_exif(exif_data.exp_program);
//~ exif_ifd[METERING_MODE_INDEX].offset = get_metering_mode_for_exif(exif_data.metering_mode);
//~ exif_ifd[FLASH_MODE_INDEX].offset = get_flash_mode_for_exif(exif_data.flash_mode, exif_data.flash_fired);
//~ exif_ifd[SSTIME_INDEX].count = exif_ifd[SSTIME_ORIG_INDEX].count = strlen(cam_subsectime)+1;
// calculating offset of RAW data and count of entries for each IFD
raw_offset=TIFF_HDR_SIZE;
for (j=0;j<ifd_count;j++)
{
raw_offset+=6; // IFD header+footer
for(i=0; i<ifd_list[j].entry_count; i++)
{
if ((ifd_list[j].entry[i].type & T_SKIP) == 0) // Exclude skipped entries (e.g. GPS info if camera doesn't have GPS)
{
raw_offset+=12; // IFD directory entry size
int size_ext=get_type_size(ifd_list[j].entry[i].type)*ifd_list[j].entry[i].count;
if (size_ext>4) raw_offset+=size_ext+(size_ext&1);
}
}
}
// creating buffer for writing data
raw_offset=(raw_offset/512+1)*512; // exlusively for CHDK fast file writing
dng_header_buf_size=raw_offset;
dng_header_buf=umalloc(raw_offset);
dng_header_buf_offset=0;
if (!dng_header_buf) return;
// create buffer for thumbnail
thumbnail_buf = malloc(dng_th_width*dng_th_height*3);
if (!thumbnail_buf)
{
ufree(dng_header_buf);
dng_header_buf = 0;
return;
}
// writing offsets for EXIF IFD and RAW data and calculating offset for extra data
extra_offset=TIFF_HDR_SIZE;
ifd0[SUBIFDS_INDEX].offset = TIFF_HDR_SIZE + ifd_list[0].count * 12 + 6; // SubIFDs offset
ifd0[EXIF_IFD_INDEX].offset = TIFF_HDR_SIZE + (ifd_list[0].count + ifd_list[1].count) * 12 + 6 + 6; // EXIF IFD offset
ifd0[THUMB_DATA_INDEX].offset = raw_offset; //StripOffsets for thumbnail
ifd1[RAW_DATA_INDEX].offset = raw_offset + dng_th_width * dng_th_height * 3; //StripOffsets for main image
for (j=0;j<ifd_count;j++)
{
extra_offset += 6 + ifd_list[j].count * 12; // IFD header+footer
}
// TIFF file header
add_val_to_buf(0x4949, sizeof(short)); // little endian
add_val_to_buf(42, sizeof(short)); // An arbitrary but carefully chosen number that further identifies the file as a TIFF file.
add_val_to_buf(TIFF_HDR_SIZE, sizeof(int)); // offset of first IFD
// writing IFDs
for (j=0;j<ifd_count;j++)
{
int size_ext;
add_val_to_buf(ifd_list[j].count, sizeof(short));
for(i=0; i<ifd_list[j].entry_count; i++)
{
if ((ifd_list[j].entry[i].type & T_SKIP) == 0)
{
add_val_to_buf(ifd_list[j].entry[i].tag, sizeof(short));
add_val_to_buf(ifd_list[j].entry[i].type & 0xFF, sizeof(short));
add_val_to_buf(ifd_list[j].entry[i].count, sizeof(int));
size_ext=get_type_size(ifd_list[j].entry[i].type)*ifd_list[j].entry[i].count;
if (size_ext<=4)
{
if (ifd_list[j].entry[i].type & T_PTR)
{
add_to_buf((void*)ifd_list[j].entry[i].offset, sizeof(int));
}
else
{
add_val_to_buf(ifd_list[j].entry[i].offset, sizeof(int));
}
}
else
{
add_val_to_buf(extra_offset, sizeof(int));
extra_offset += size_ext+(size_ext&1);
}
}
}
add_val_to_buf(0, sizeof(int));
}
// writing extra data
for (j=0;j<ifd_count;j++)
{
int size_ext;
for(i=0; i<ifd_list[j].entry_count; i++)
{
if ((ifd_list[j].entry[i].type & T_SKIP) == 0)
{
size_ext=get_type_size(ifd_list[j].entry[i].type)*ifd_list[j].entry[i].count;
if (size_ext>4)
{
add_to_buf((void*)ifd_list[j].entry[i].offset, size_ext);
if (size_ext&1) add_val_to_buf(0, 1);
}
}
}
}
// writing zeros to tail of dng header (just for fun)
for (i=dng_header_buf_offset; i<dng_header_buf_size; i++) dng_header_buf[i]=0;
}
static void add_val_to_buf(int val, int size)
{
add_to_buf(&val,size);
}
int
u1db__format_range_query(int n_fields, const char **start_values,
const char **end_values, char **buf,
int *start_wildcard, int *end_wildcard)
{
int status = U1DB_OK;
int buf_size, i;
char *cur = NULL;
const char *val = NULL;
int have_start_wildcard = 0;
int have_end_wildcard = 0;
if (n_fields < 1) {
return U1DB_INVALID_PARAMETER;
}
// 81 for 1 doc, 166 for 2, 251 for 3
buf_size = (1 + n_fields) * 100;
// The first field is treated specially
cur = (char*)calloc(buf_size, 1);
if (cur == NULL) {
return U1DB_NOMEM;
}
*buf = cur;
add_to_buf(&cur, &buf_size, "SELECT d0.doc_id FROM document_fields d0");
for (i = 1; i < n_fields; ++i) {
add_to_buf(&cur, &buf_size, ", document_fields d%d", i);
}
add_to_buf(&cur, &buf_size, " WHERE d0.field_name = ?");
for (i = 0; i < n_fields; ++i) {
if (i != 0) {
add_to_buf(&cur, &buf_size,
" AND d0.doc_id = d%d.doc_id"
" AND d%d.field_name = ?",
i, i);
}
if (start_values != NULL) {
val = start_values[i];
if (val == NULL) {
status = U1DB_INVALID_VALUE_FOR_INDEX;
goto finish;
}
if (val[0] == '*') {
start_wildcard[i] = IS_GLOB;
have_start_wildcard= 1;
add_to_buf(&cur, &buf_size, " and d%d.value not null", i);
} else if (val[0] != '\0' && val[strlen(val)-1] == '*') {
// glob
start_wildcard[i] = ENDS_IN_GLOB;
if (have_start_wildcard) {
//globs not allowed after another wildcard
status = U1DB_INVALID_GLOBBING;
goto finish;
}
have_start_wildcard = 1;
add_to_buf(&cur, &buf_size, " and d%d.value >= ?", i);
} else {
start_wildcard[i] = NO_GLOB;
if (have_start_wildcard) {
// can't have a non-wildcard after a wildcard
status = U1DB_INVALID_GLOBBING;
goto finish;
}
add_to_buf(&cur, &buf_size, " and d%d.value >= ?", i);
}
}
if (end_values != NULL) {
val = end_values[i];
if (val == NULL) {
status = U1DB_INVALID_VALUE_FOR_INDEX;
goto finish;
}
if (val[0] == '*') {
end_wildcard[i] = IS_GLOB;
have_end_wildcard = 1;
add_to_buf(&cur, &buf_size, " AND d%d.value NOT NULL", i);
} else if (val[0] != '\0' && val[strlen(val)-1] == '*') {
// glob
end_wildcard[i] = ENDS_IN_GLOB;
if (have_end_wildcard) {
//globs not allowed after another wildcard
status = U1DB_INVALID_GLOBBING;
goto finish;
}
have_end_wildcard = 1;
add_to_buf(
&cur, &buf_size,
" AND (d%d.value < ? OR d%d.value GLOB ?)", i, i);
} else {
end_wildcard[i] = NO_GLOB;
if (have_end_wildcard) {
// Can't have a non-wildcard after a wildcard
status = U1DB_INVALID_GLOBBING;
goto finish;
}
add_to_buf(&cur, &buf_size, " AND d%d.value <= ?", i);
}
}
}
add_to_buf(&cur, &buf_size, " ORDER BY ");
for (i = 0; i < n_fields; ++i) {
if (i != 0) {
add_to_buf(&cur, &buf_size, ", ");
}
add_to_buf(&cur, &buf_size, "d%d.value", i);
}
finish:
if (status != U1DB_OK && *buf != NULL) {
free(*buf);
*buf = NULL;
}
return status;
}
int
u1db__format_index_keys_query(int n_fields, char **buf)
{
int status = U1DB_OK;
int buf_size, i;
char *cur = NULL;
if (n_fields < 1) {
return U1DB_INVALID_PARAMETER;
}
// 81 for 1 doc, 166 for 2, 251 for 3
buf_size = (1 + n_fields) * 100;
// The first field is treated specially
cur = (char*)calloc(buf_size, 1);
if (cur == NULL) {
return U1DB_NOMEM;
}
*buf = cur;
add_to_buf(&cur, &buf_size, "SELECT ");
for (i = 0; i < n_fields; ++i) {
if (i != 0) {
add_to_buf(&cur, &buf_size, ", ");
}
add_to_buf(&cur, &buf_size, " d%d.value", i);
}
add_to_buf(&cur, &buf_size, " FROM ");
for (i = 0; i < n_fields; ++i) {
if (i != 0) {
add_to_buf(&cur, &buf_size, ", ");
}
add_to_buf(&cur, &buf_size, "document_fields d%d", i);
}
add_to_buf(&cur, &buf_size, " WHERE d0.field_name = ?");
for (i = 0; i < n_fields; ++i) {
if (i != 0) {
add_to_buf(&cur, &buf_size,
" AND d0.doc_id = d%d.doc_id"
" AND d%d.field_name = ?",
i, i);
}
add_to_buf(&cur, &buf_size, " AND d%d.value NOT NULL", i);
}
add_to_buf(&cur, &buf_size, " GROUP BY ");
for (i = 0; i < n_fields; ++i) {
if (i != 0) {
add_to_buf(&cur, &buf_size, ", ");
}
add_to_buf(&cur, &buf_size, "d%d.value", i);
}
if (status != U1DB_OK && *buf != NULL) {
free(*buf);
*buf = NULL;
}
return status;
}