/src/php-src/ext/standard/iptc.c

Source (jump to first uncovered line)
/*
   +----------------------------------------------------------------------+
   | Copyright (c) The PHP Group                                          |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.php.net/license/3_01.txt                                  |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Author: Thies C. Arntzen <thies@thieso.net>                          |
   +----------------------------------------------------------------------+
 */

/*
 * Functions to parse & compse IPTC data.
 * PhotoShop >= 3.0 can read and write textual data to JPEG files.
 * ... more to come .....
 *
 * i know, parts of this is now duplicated in image.c
 * but in this case i think it's okay!
 */

/*
 * TODO:
 *  - add IPTC translation table
 */

#include "php.h"
#include "ext/standard/head.h"

#include <sys/stat.h>

#include <stdint.h>
#ifndef PHP_WIN32
# include <inttypes.h>
#endif

/* some defines for the different JPEG block types */
#define M_SOF0  0xC0            /* Start Of Frame N */
#define M_SOF1  0xC1            /* N indicates which compression process */
#define M_SOF2  0xC2            /* Only SOF0-SOF2 are now in common use */
#define M_SOF3  0xC3
#define M_SOF5  0xC5            /* NB: codes C4 and CC are NOT SOF markers */
#define M_SOF6  0xC6
#define M_SOF7  0xC7
#define M_SOF9  0xC9
#define M_SOF10 0xCA
#define M_SOF11 0xCB
#define M_SOF13 0xCD
#define M_SOF14 0xCE
#define M_SOF15 0xCF
#define M_SOI   0xD8
#define M_EOI   0xD9            /* End Of Image (end of datastream) */
#define M_SOS   0xDA            /* Start Of Scan (begins compressed data) */
#define M_APP0  0xe0
#define M_APP1  0xe1
#define M_APP2  0xe2
#define M_APP3  0xe3
#define M_APP4  0xe4
#define M_APP5  0xe5
#define M_APP6  0xe6
#define M_APP7  0xe7
#define M_APP8  0xe8
#define M_APP9  0xe9
#define M_APP10 0xea
#define M_APP11 0xeb
#define M_APP12 0xec
#define M_APP13 0xed
#define M_APP14 0xee
#define M_APP15 0xef

/* {{{ php_iptc_put1 */
static int php_iptc_put1(FILE *fp, int spool, unsigned char c, unsigned char **spoolbuf)
{
  if (spool > 0)
    PUTC(c);

  if (spoolbuf) *(*spoolbuf)++ = c;

    return c;
}
/* }}} */

/* {{{ php_iptc_get1 */
static int php_iptc_get1(FILE *fp, int spool, unsigned char **spoolbuf)
{
  int c;
  char cc;

  c = getc(fp);

  if (c == EOF) return EOF;

  if (spool > 0) {
    cc = c;
    PUTC(cc);
  }

  if (spoolbuf) *(*spoolbuf)++ = c;

  return c;
}
/* }}} */

/* {{{ php_iptc_read_remaining */
static int php_iptc_read_remaining(FILE *fp, int spool, unsigned char **spoolbuf)
{
    while (php_iptc_get1(fp, spool, spoolbuf) != EOF) continue;

  return M_EOI;
}
/* }}} */

/* {{{ php_iptc_skip_variable */
static int php_iptc_skip_variable(FILE *fp, int spool, unsigned char **spoolbuf)
{
  unsigned int  length;
  int c1, c2;

    if ((c1 = php_iptc_get1(fp, spool, spoolbuf)) == EOF) return M_EOI;

    if ((c2 = php_iptc_get1(fp, spool, spoolbuf)) == EOF) return M_EOI;

  length = (((unsigned char) c1) << 8) + ((unsigned char) c2);

  length -= 2;

  while (length--)
    if (php_iptc_get1(fp, spool, spoolbuf) == EOF) return M_EOI;

  return 0;
}
/* }}} */

/* {{{ php_iptc_next_marker */
static int php_iptc_next_marker(FILE *fp, int spool, unsigned char **spoolbuf)
{
    int c;

    /* skip unimportant stuff */

    c = php_iptc_get1(fp, spool, spoolbuf);

  if (c == EOF) return M_EOI;

    while (c != 0xff) {
        if ((c = php_iptc_get1(fp, spool, spoolbuf)) == EOF)
            return M_EOI; /* we hit EOF */
    }

    /* get marker byte, swallowing possible padding */
    do {
        c = php_iptc_get1(fp, 0, 0);
    if (c == EOF)
            return M_EOI;       /* we hit EOF */
    else
    if (c == 0xff)
      php_iptc_put1(fp, spool, (unsigned char)c, spoolbuf);
    } while (c == 0xff);

    return (unsigned int) c;
}
/* }}} */

static char psheader[] = "\xFF\xED\0\0Photoshop 3.0\08BIM\x04\x04\0\0\0\0";

/* {{{ Embed binary IPTC data into a JPEG image. */
PHP_FUNCTION(iptcembed)
{
  char *iptcdata, *jpeg_file;
  size_t iptcdata_len, jpeg_file_len;
  zend_long spool = 0;
  FILE *fp;
  unsigned int marker, done = 0;
  size_t inx;
  zend_string *spoolbuf = NULL;
  unsigned char *poi = NULL;
  zend_stat_t sb;
  zend_bool written = 0;

  ZEND_PARSE_PARAMETERS_START(2, 3)
    Z_PARAM_STRING(iptcdata, iptcdata_len)
    Z_PARAM_PATH(jpeg_file, jpeg_file_len)
    Z_PARAM_OPTIONAL
    Z_PARAM_LONG(spool)
  ZEND_PARSE_PARAMETERS_END();

  if (php_check_open_basedir(jpeg_file)) {
    RETURN_FALSE;
  }

  if (iptcdata_len >= SIZE_MAX - sizeof(psheader) - 1025) {
    php_error_docref(NULL, E_WARNING, "IPTC data too large");
    RETURN_FALSE;
  }

  if ((fp = VCWD_FOPEN(jpeg_file, "rb")) == 0) {
    php_error_docref(NULL, E_WARNING, "Unable to open %s", jpeg_file);
    RETURN_FALSE;
  }

  if (spool < 2) {
    zend_fstat(fileno(fp), &sb);

    spoolbuf = zend_string_safe_alloc(1, iptcdata_len + sizeof(psheader) + 1024 + 1, sb.st_size, 0);
    poi = (unsigned char*)ZSTR_VAL(spoolbuf);
    memset(poi, 0, iptcdata_len + sizeof(psheader) + sb.st_size + 1024 + 1);
  }

  if (php_iptc_get1(fp, spool, poi?&poi:0) != 0xFF) {
    fclose(fp);
    if (spoolbuf) {
      zend_string_efree(spoolbuf);
    }
    RETURN_FALSE;
  }

  if (php_iptc_get1(fp, spool, poi?&poi:0) != 0xD8) {
    fclose(fp);
    if (spoolbuf) {
      zend_string_efree(spoolbuf);
    }
    RETURN_FALSE;
  }

  while (!done) {
    marker = php_iptc_next_marker(fp, spool, poi?&poi:0);

    if (marker == M_EOI) { /* EOF */
      break;
    } else if (marker != M_APP13) {
      php_iptc_put1(fp, spool, (unsigned char)marker, poi?&poi:0);
    }

    switch (marker) {
      case M_APP13:
        /* we are going to write a new APP13 marker, so don't output the old one */
        php_iptc_skip_variable(fp, 0, 0);
        fgetc(fp); /* skip already copied 0xFF byte */
        php_iptc_read_remaining(fp, spool, poi?&poi:0);
        done = 1;
        break;

      case M_APP0:
        /* APP0 is in each and every JPEG, so when we hit APP0 we insert our new APP13! */
      case M_APP1:
        if (written) {
          /* don't try to write the data twice */
          break;
        }
        written = 1;

        php_iptc_skip_variable(fp, spool, poi?&poi:0);

        if (iptcdata_len & 1) {
          iptcdata_len++; /* make the length even */
        }

        psheader[ 2 ] = (char) ((iptcdata_len+28)>>8);
        psheader[ 3 ] = (iptcdata_len+28)&0xff;

        for (inx = 0; inx < 28; inx++) {
          php_iptc_put1(fp, spool, psheader[inx], poi?&poi:0);
        }

        php_iptc_put1(fp, spool, (unsigned char)(iptcdata_len>>8), poi?&poi:0);
        php_iptc_put1(fp, spool, (unsigned char)(iptcdata_len&0xff), poi?&poi:0);

        for (inx = 0; inx < iptcdata_len; inx++) {
          php_iptc_put1(fp, spool, iptcdata[inx], poi?&poi:0);
        }
        break;

      case M_SOS:
        /* we hit data, no more marker-inserting can be done! */
        php_iptc_read_remaining(fp, spool, poi?&poi:0);
        done = 1;
        break;

      default:
        php_iptc_skip_variable(fp, spool, poi?&poi:0);
        break;
    }
  }

  fclose(fp);

  if (spool < 2) {
    spoolbuf = zend_string_truncate(spoolbuf, poi - (unsigned char*)ZSTR_VAL(spoolbuf), 0);
    RETURN_NEW_STR(spoolbuf);
  } else {
    RETURN_TRUE;
  }
}
/* }}} */

/* {{{ Parse binary IPTC-data into associative array */
PHP_FUNCTION(iptcparse)
{
  size_t inx = 0, len;
  unsigned int tagsfound = 0;
  unsigned char *buffer, recnum, dataset;
  char *str, key[16];
  size_t str_len;
  zval values, *element;

  ZEND_PARSE_PARAMETERS_START(1, 1)
    Z_PARAM_STRING(str, str_len)
  ZEND_PARSE_PARAMETERS_END();

  buffer = (unsigned char *)str;

  while (inx < str_len) { /* find 1st tag */
    if ((buffer[inx] == 0x1c) && ((buffer[inx+1] == 0x01) || (buffer[inx+1] == 0x02))){
      break;
    } else {
      inx++;
    }
  }

  while (inx < str_len) {
    if (buffer[ inx++ ] != 0x1c) {
      break;   /* we ran against some data which does not conform to IPTC - stop parsing! */
    }

    if ((inx + 4) >= str_len)
      break;

    dataset = buffer[ inx++ ];
    recnum = buffer[ inx++ ];

    if (buffer[ inx ] & (unsigned char) 0x80) { /* long tag */
      if((inx+6) >= str_len) {
        break;
      }
      len = (((zend_long) buffer[ inx + 2 ]) << 24) + (((zend_long) buffer[ inx + 3 ]) << 16) +
          (((zend_long) buffer[ inx + 4 ]) <<  8) + (((zend_long) buffer[ inx + 5 ]));
      inx += 6;
    } else { /* short tag */
      len = (((unsigned short) buffer[ inx ])<<8) | (unsigned short)buffer[ inx+1 ];
      inx += 2;
    }

    if ((len > str_len) || (inx + len) > str_len) {
      break;
    }

    snprintf(key, sizeof(key), "%d#%03d", (unsigned int) dataset, (unsigned int) recnum);

    if (tagsfound == 0) { /* found the 1st tag - initialize the return array */
      array_init(return_value);
    }

    if ((element = zend_hash_str_find(Z_ARRVAL_P(return_value), key, strlen(key))) == NULL) {
      array_init(&values);

      element = zend_hash_str_update(Z_ARRVAL_P(return_value), key, strlen(key), &values);
    }

    add_next_index_stringl(element, (char *) buffer+inx, len);
    inx += len;
    tagsfound++;
  }

  if (! tagsfound) {
    RETURN_FALSE;
  }
}
/* }}} */

Coverage Report

Created: 2022-02-19 20:31

Line	Count	Source (jump to first uncovered line)
1		/*
2		+----------------------------------------------------------------------+
3		\| Copyright (c) The PHP Group \|
4		+----------------------------------------------------------------------+
5		\| This source file is subject to version 3.01 of the PHP license, \|
6		\| that is bundled with this package in the file LICENSE, and is \|
7		\| available through the world-wide-web at the following url: \|
8		\| http://www.php.net/license/3_01.txt \|
9		\| If you did not receive a copy of the PHP license and are unable to \|
10		\| obtain it through the world-wide-web, please send a note to \|
11		\| license@php.net so we can mail you a copy immediately. \|
12		+----------------------------------------------------------------------+
13		\| Author: Thies C. Arntzen <thies@thieso.net> \|
14		+----------------------------------------------------------------------+
15		*/
16
17		/*
18		* Functions to parse & compse IPTC data.
19		* PhotoShop >= 3.0 can read and write textual data to JPEG files.
20		* ... more to come .....
21		*
22		* i know, parts of this is now duplicated in image.c
23		* but in this case i think it's okay!
24		*/
25
26		/*
27		* TODO:
28		* - add IPTC translation table
29		*/
30
31		#include "php.h"
32		#include "ext/standard/head.h"
33
34		#include <sys/stat.h>
35
36		#include <stdint.h>
37		#ifndef PHP_WIN32
38		# include <inttypes.h>
39		#endif
40
41		/* some defines for the different JPEG block types */
42		#define M_SOF0 0xC0 /* Start Of Frame N */
43		#define M_SOF1 0xC1 /* N indicates which compression process */
44		#define M_SOF2 0xC2 /* Only SOF0-SOF2 are now in common use */
45		#define M_SOF3 0xC3
46		#define M_SOF5 0xC5 /* NB: codes C4 and CC are NOT SOF markers */
47		#define M_SOF6 0xC6
48		#define M_SOF7 0xC7
49		#define M_SOF9 0xC9
50		#define M_SOF10 0xCA
51		#define M_SOF11 0xCB
52		#define M_SOF13 0xCD
53		#define M_SOF14 0xCE
54		#define M_SOF15 0xCF
55		#define M_SOI 0xD8
56	0	#define M_EOI 0xD9 /* End Of Image (end of datastream) */
57	0	#define M_SOS 0xDA /* Start Of Scan (begins compressed data) */
58	0	#define M_APP0 0xe0
59	0	#define M_APP1 0xe1
60		#define M_APP2 0xe2
61		#define M_APP3 0xe3
62		#define M_APP4 0xe4
63		#define M_APP5 0xe5
64		#define M_APP6 0xe6
65		#define M_APP7 0xe7
66		#define M_APP8 0xe8
67		#define M_APP9 0xe9
68		#define M_APP10 0xea
69		#define M_APP11 0xeb
70		#define M_APP12 0xec
71	0	#define M_APP13 0xed
72		#define M_APP14 0xee
73		#define M_APP15 0xef
74
75		/* {{{ php_iptc_put1 */
76		static int php_iptc_put1(FILE fp, int spool, unsigned char c, unsigned char *spoolbuf)
77	0	{
78	0	if (spool > 0)
79	0	PUTC(c);
80
81	0	if (spoolbuf) (spoolbuf)++ = c;
82
83	0	return c;
84	0	}
85		/* }}} */
86
87		/* {{{ php_iptc_get1 */
88		static int php_iptc_get1(FILE fp, int spool, unsigned char *spoolbuf)
89	0	{
90	0	int c;
91	0	char cc;
92
93	0	c = getc(fp);
94
95	0	if (c == EOF) return EOF;
96
97	0	if (spool > 0) {
98	0	cc = c;
99	0	PUTC(cc);
100	0	}
101
102	0	if (spoolbuf) (spoolbuf)++ = c;
103
104	0	return c;
105	0	}
106		/* }}} */
107
108		/* {{{ php_iptc_read_remaining */
109		static int php_iptc_read_remaining(FILE fp, int spool, unsigned char *spoolbuf)
110	0	{
111	0	while (php_iptc_get1(fp, spool, spoolbuf) != EOF) continue;
112
113	0	return M_EOI;
114	0	}
115		/* }}} */
116
117		/* {{{ php_iptc_skip_variable */
118		static int php_iptc_skip_variable(FILE fp, int spool, unsigned char *spoolbuf)
119	0	{
120	0	unsigned int length;
121	0	int c1, c2;
122
123	0	if ((c1 = php_iptc_get1(fp, spool, spoolbuf)) == EOF) return M_EOI;
124
125	0	if ((c2 = php_iptc_get1(fp, spool, spoolbuf)) == EOF) return M_EOI;
126
127	0	length = (((unsigned char) c1) << 8) + ((unsigned char) c2);
128
129	0	length -= 2;
130
131	0	while (length--)
132	0	if (php_iptc_get1(fp, spool, spoolbuf) == EOF) return M_EOI;
133
134	0	return 0;
135	0	}
136		/* }}} */
137
138		/* {{{ php_iptc_next_marker */
139		static int php_iptc_next_marker(FILE fp, int spool, unsigned char *spoolbuf)
140	0	{
141	0	int c;
142
143		/* skip unimportant stuff */
144
145	0	c = php_iptc_get1(fp, spool, spoolbuf);
146
147	0	if (c == EOF) return M_EOI;
148
149	0	while (c != 0xff) {
150	0	if ((c = php_iptc_get1(fp, spool, spoolbuf)) == EOF)
151	0	return M_EOI; /* we hit EOF */
152	0	}
153
154		/* get marker byte, swallowing possible padding */
155	0	do {
156	0	c = php_iptc_get1(fp, 0, 0);
157	0	if (c == EOF)
158	0	return M_EOI; /* we hit EOF */
159	0	else
160	0	if (c == 0xff)
161	0	php_iptc_put1(fp, spool, (unsigned char)c, spoolbuf);
162	0	} while (c == 0xff);
163
164	0	return (unsigned int) c;
165	0	}
166		/* }}} */
167
168		static char psheader[] = "\xFF\xED\0\0Photoshop 3.0\08BIM\x04\x04\0\0\0\0";
169
170		/* {{{ Embed binary IPTC data into a JPEG image. */
171		PHP_FUNCTION(iptcembed)
172	0	{
173	0	char iptcdata, jpeg_file;
174	0	size_t iptcdata_len, jpeg_file_len;
175	0	zend_long spool = 0;
176	0	FILE *fp;
177	0	unsigned int marker, done = 0;
178	0	size_t inx;
179	0	zend_string *spoolbuf = NULL;
180	0	unsigned char *poi = NULL;
181	0	zend_stat_t sb;
182	0	zend_bool written = 0;
183
184	0	ZEND_PARSE_PARAMETERS_START(2, 3)
185	0	Z_PARAM_STRING(iptcdata, iptcdata_len)
186	0	Z_PARAM_PATH(jpeg_file, jpeg_file_len)
187	0	Z_PARAM_OPTIONAL
188	0	Z_PARAM_LONG(spool)
189	0	ZEND_PARSE_PARAMETERS_END();
190
191	0	if (php_check_open_basedir(jpeg_file)) {
192	0	RETURN_FALSE;
193	0	}
194
195	0	if (iptcdata_len >= SIZE_MAX - sizeof(psheader) - 1025) {
196	0	php_error_docref(NULL, E_WARNING, "IPTC data too large");
197	0	RETURN_FALSE;
198	0	}
199
200	0	if ((fp = VCWD_FOPEN(jpeg_file, "rb")) == 0) {
201	0	php_error_docref(NULL, E_WARNING, "Unable to open %s", jpeg_file);
202	0	RETURN_FALSE;
203	0	}
204
205	0	if (spool < 2) {
206	0	zend_fstat(fileno(fp), &sb);
207
208	0	spoolbuf = zend_string_safe_alloc(1, iptcdata_len + sizeof(psheader) + 1024 + 1, sb.st_size, 0);
209	0	poi = (unsigned char*)ZSTR_VAL(spoolbuf);
210	0	memset(poi, 0, iptcdata_len + sizeof(psheader) + sb.st_size + 1024 + 1);
211	0	}
212
213	0	if (php_iptc_get1(fp, spool, poi?&poi:0) != 0xFF) {
214	0	fclose(fp);
215	0	if (spoolbuf) {
216	0	zend_string_efree(spoolbuf);
217	0	}
218	0	RETURN_FALSE;
219	0	}
220
221	0	if (php_iptc_get1(fp, spool, poi?&poi:0) != 0xD8) {
222	0	fclose(fp);
223	0	if (spoolbuf) {
224	0	zend_string_efree(spoolbuf);
225	0	}
226	0	RETURN_FALSE;
227	0	}
228
229	0	while (!done) {
230	0	marker = php_iptc_next_marker(fp, spool, poi?&poi:0);
231
232	0	if (marker == M_EOI) { /* EOF */
233	0	break;
234	0	} else if (marker != M_APP13) {
235	0	php_iptc_put1(fp, spool, (unsigned char)marker, poi?&poi:0);
236	0	}
237
238	0	switch (marker) {
239	0	case M_APP13:
240		/* we are going to write a new APP13 marker, so don't output the old one */
241	0	php_iptc_skip_variable(fp, 0, 0);
242	0	fgetc(fp); /* skip already copied 0xFF byte */
243	0	php_iptc_read_remaining(fp, spool, poi?&poi:0);
244	0	done = 1;
245	0	break;
246
247	0	case M_APP0:
248		/* APP0 is in each and every JPEG, so when we hit APP0 we insert our new APP13! */
249	0	case M_APP1:
250	0	if (written) {
251		/* don't try to write the data twice */
252	0	break;
253	0	}
254	0	written = 1;
255
256	0	php_iptc_skip_variable(fp, spool, poi?&poi:0);
257
258	0	if (iptcdata_len & 1) {
259	0	iptcdata_len++; /* make the length even */
260	0	}
261
262	0	psheader[ 2 ] = (char) ((iptcdata_len+28)>>8);
263	0	psheader[ 3 ] = (iptcdata_len+28)&0xff;
264
265	0	for (inx = 0; inx < 28; inx++) {
266	0	php_iptc_put1(fp, spool, psheader[inx], poi?&poi:0);
267	0	}
268
269	0	php_iptc_put1(fp, spool, (unsigned char)(iptcdata_len>>8), poi?&poi:0);
270	0	php_iptc_put1(fp, spool, (unsigned char)(iptcdata_len&0xff), poi?&poi:0);
271
272	0	for (inx = 0; inx < iptcdata_len; inx++) {
273	0	php_iptc_put1(fp, spool, iptcdata[inx], poi?&poi:0);
274	0	}
275	0	break;
276
277	0	case M_SOS:
278		/* we hit data, no more marker-inserting can be done! */
279	0	php_iptc_read_remaining(fp, spool, poi?&poi:0);
280	0	done = 1;
281	0	break;
282
283	0	default:
284	0	php_iptc_skip_variable(fp, spool, poi?&poi:0);
285	0	break;
286	0	}
287	0	}
288
289	0	fclose(fp);
290
291	0	if (spool < 2) {
292	0	spoolbuf = zend_string_truncate(spoolbuf, poi - (unsigned char*)ZSTR_VAL(spoolbuf), 0);
293	0	RETURN_NEW_STR(spoolbuf);
294	0	} else {
295	0	RETURN_TRUE;
296	0	}
297	0	}
298		/* }}} */
299
300		/* {{{ Parse binary IPTC-data into associative array */
301		PHP_FUNCTION(iptcparse)
302	0	{
303	0	size_t inx = 0, len;
304	0	unsigned int tagsfound = 0;
305	0	unsigned char *buffer, recnum, dataset;
306	0	char *str, key[16];
307	0	size_t str_len;
308	0	zval values, *element;
309
310	0	ZEND_PARSE_PARAMETERS_START(1, 1)
311	0	Z_PARAM_STRING(str, str_len)
312	0	ZEND_PARSE_PARAMETERS_END();
313
314	0	buffer = (unsigned char *)str;
315
316	0	while (inx < str_len) { /* find 1st tag */
317	0	if ((buffer[inx] == 0x1c) && ((buffer[inx+1] == 0x01) \|\| (buffer[inx+1] == 0x02))){
318	0	break;
319	0	} else {
320	0	inx++;
321	0	}
322	0	}
323
324	0	while (inx < str_len) {
325	0	if (buffer[ inx++ ] != 0x1c) {
326	0	break; /* we ran against some data which does not conform to IPTC - stop parsing! */
327	0	}
328
329	0	if ((inx + 4) >= str_len)
330	0	break;
331
332	0	dataset = buffer[ inx++ ];
333	0	recnum = buffer[ inx++ ];
334
335	0	if (buffer[ inx ] & (unsigned char) 0x80) { /* long tag */
336	0	if((inx+6) >= str_len) {
337	0	break;
338	0	}
339	0	len = (((zend_long) buffer[ inx + 2 ]) << 24) + (((zend_long) buffer[ inx + 3 ]) << 16) +
340	0	(((zend_long) buffer[ inx + 4 ]) << 8) + (((zend_long) buffer[ inx + 5 ]));
341	0	inx += 6;
342	0	} else { /* short tag */
343	0	len = (((unsigned short) buffer[ inx ])<<8) \| (unsigned short)buffer[ inx+1 ];
344	0	inx += 2;
345	0	}
346
347	0	if ((len > str_len) \|\| (inx + len) > str_len) {
348	0	break;
349	0	}
350
351	0	snprintf(key, sizeof(key), "%d#%03d", (unsigned int) dataset, (unsigned int) recnum);
352
353	0	if (tagsfound == 0) { /* found the 1st tag - initialize the return array */
354	0	array_init(return_value);
355	0	}
356
357	0	if ((element = zend_hash_str_find(Z_ARRVAL_P(return_value), key, strlen(key))) == NULL) {
358	0	array_init(&values);
359
360	0	element = zend_hash_str_update(Z_ARRVAL_P(return_value), key, strlen(key), &values);
361	0	}
362
363	0	add_next_index_stringl(element, (char *) buffer+inx, len);
364	0	inx += len;
365	0	tagsfound++;
366	0	}
367
368	0	if (! tagsfound) {
369	0	RETURN_FALSE;
370	0	}
371	0	}
372		/* }}} */