[deb_ffmpeg.git] / ffmpeg / libavutil / avstring.c

/*
 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
 * Copyright (c) 2007 Mans Rullgard
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>

#include "config.h"
#include "common.h"
#include "mem.h"
#include "avassert.h"
#include "avstring.h"
#include "bprint.h"

int av_strstart(const char *str, const char *pfx, const char **ptr)
{
    while (*pfx && *pfx == *str) {
        pfx++;
        str++;
    }
    if (!*pfx && ptr)
        *ptr = str;
    return !*pfx;
}

int av_stristart(const char *str, const char *pfx, const char **ptr)
{
    while (*pfx && av_toupper((unsigned)*pfx) == av_toupper((unsigned)*str)) {
        pfx++;
        str++;
    }
    if (!*pfx && ptr)
        *ptr = str;
    return !*pfx;
}

char *av_stristr(const char *s1, const char *s2)
{
    if (!*s2)
        return (char*)(intptr_t)s1;

    do
        if (av_stristart(s1, s2, NULL))
            return (char*)(intptr_t)s1;
    while (*s1++);

    return NULL;
}

char *av_strnstr(const char *haystack, const char *needle, size_t hay_length)
{
    size_t needle_len = strlen(needle);
    if (!needle_len)
        return (char*)haystack;
    while (hay_length >= needle_len) {
        hay_length--;
        if (!memcmp(haystack, needle, needle_len))
            return (char*)haystack;
        haystack++;
    }
    return NULL;
}

size_t av_strlcpy(char *dst, const char *src, size_t size)
{
    size_t len = 0;
    while (++len < size && *src)
        *dst++ = *src++;
    if (len <= size)
        *dst = 0;
    return len + strlen(src) - 1;
}

size_t av_strlcat(char *dst, const char *src, size_t size)
{
    size_t len = strlen(dst);
    if (size <= len + 1)
        return len + strlen(src);
    return len + av_strlcpy(dst + len, src, size - len);
}

size_t av_strlcatf(char *dst, size_t size, const char *fmt, ...)
{
    int len = strlen(dst);
    va_list vl;

    va_start(vl, fmt);
    len += vsnprintf(dst + len, size > len ? size - len : 0, fmt, vl);
    va_end(vl);

    return len;
}

char *av_asprintf(const char *fmt, ...)
{
    char *p = NULL;
    va_list va;
    int len;

    va_start(va, fmt);
    len = vsnprintf(NULL, 0, fmt, va);
    va_end(va);
    if (len < 0)
        goto end;

    p = av_malloc(len + 1);
    if (!p)
        goto end;

    va_start(va, fmt);
    len = vsnprintf(p, len + 1, fmt, va);
    va_end(va);
    if (len < 0)
        av_freep(&p);

end:
    return p;
}

char *av_d2str(double d)
{
    char *str = av_malloc(16);
    if (str)
        snprintf(str, 16, "%f", d);
    return str;
}

#define WHITESPACES " \n\t"

char *av_get_token(const char **buf, const char *term)
{
    char *out     = av_malloc(strlen(*buf) + 1);
    char *ret     = out, *end = out;
    const char *p = *buf;
    if (!out)
        return NULL;
    p += strspn(p, WHITESPACES);

    while (*p && !strspn(p, term)) {
        char c = *p++;
        if (c == '\\' && *p) {
            *out++ = *p++;
            end    = out;
        } else if (c == '\'') {
            while (*p && *p != '\'')
                *out++ = *p++;
            if (*p) {
                p++;
                end = out;
            }
        } else {
            *out++ = c;
        }
    }

    do
        *out-- = 0;
    while (out >= end && strspn(out, WHITESPACES));

    *buf = p;

    return ret;
}

char *av_strtok(char *s, const char *delim, char **saveptr)
{
    char *tok;

    if (!s && !(s = *saveptr))
        return NULL;

    /* skip leading delimiters */
    s += strspn(s, delim);

    /* s now points to the first non delimiter char, or to the end of the string */
    if (!*s) {
        *saveptr = NULL;
        return NULL;
    }
    tok = s++;

    /* skip non delimiters */
    s += strcspn(s, delim);
    if (*s) {
        *s = 0;
        *saveptr = s+1;
    } else {
        *saveptr = NULL;
    }

    return tok;
}

int av_strcasecmp(const char *a, const char *b)
{
    uint8_t c1, c2;
    do {
        c1 = av_tolower(*a++);
        c2 = av_tolower(*b++);
    } while (c1 && c1 == c2);
    return c1 - c2;
}

int av_strncasecmp(const char *a, const char *b, size_t n)
{
    const char *end = a + n;
    uint8_t c1, c2;
    do {
        c1 = av_tolower(*a++);
        c2 = av_tolower(*b++);
    } while (a < end && c1 && c1 == c2);
    return c1 - c2;
}

const char *av_basename(const char *path)
{
    char *p = strrchr(path, '/');

#if HAVE_DOS_PATHS
    char *q = strrchr(path, '\\');
    char *d = strchr(path, ':');

    p = FFMAX3(p, q, d);
#endif

    if (!p)
        return path;

    return p + 1;
}

const char *av_dirname(char *path)
{
    char *p = strrchr(path, '/');

#if HAVE_DOS_PATHS
    char *q = strrchr(path, '\\');
    char *d = strchr(path, ':');

    d = d ? d + 1 : d;

    p = FFMAX3(p, q, d);
#endif

    if (!p)
        return ".";

    *p = '\0';

    return path;
}

int av_escape(char **dst, const char *src, const char *special_chars,
              enum AVEscapeMode mode, int flags)
{
    AVBPrint dstbuf;

    av_bprint_init(&dstbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
    av_bprint_escape(&dstbuf, src, special_chars, mode, flags);

    if (!av_bprint_is_complete(&dstbuf)) {
        av_bprint_finalize(&dstbuf, NULL);
        return AVERROR(ENOMEM);
    } else {
        av_bprint_finalize(&dstbuf, dst);
        return dstbuf.len;
    }
}

int av_isdigit(int c)
{
    return c >= '0' && c <= '9';
}

int av_isgraph(int c)
{
    return c > 32 && c < 127;
}

int av_isspace(int c)
{
    return c == ' ' || c == '\f' || c == '\n' || c == '\r' || c == '\t' ||
           c == '\v';
}

int av_isxdigit(int c)
{
    c = av_tolower(c);
    return av_isdigit(c) || (c >= 'a' && c <= 'f');
}

int av_match_name(const char *name, const char *names)
{
    const char *p;
    int len, namelen;

    if (!name || !names)
        return 0;

    namelen = strlen(name);
    while ((p = strchr(names, ','))) {
        len = FFMAX(p - names, namelen);
        if (!av_strncasecmp(name, names, len))
            return 1;
        names = p + 1;
    }
    return !av_strcasecmp(name, names);
}

int av_utf8_decode(int32_t *codep, const uint8_t **bufp, const uint8_t *buf_end,
                   unsigned int flags)
{
    const uint8_t *p = *bufp;
    uint32_t top;
    uint64_t code;
    int ret = 0, tail_len;
    uint32_t overlong_encoding_mins[6] = {
        0x00000000, 0x00000080, 0x00000800, 0x00010000, 0x00200000, 0x04000000,
    };

    if (p >= buf_end)
        return 0;

    code = *p++;

    /* first sequence byte starts with 10, or is 1111-1110 or 1111-1111,
       which is not admitted */
    if ((code & 0xc0) == 0x80 || code >= 0xFE) {
        ret = AVERROR(EILSEQ);
        goto end;
    }
    top = (code & 128) >> 1;

    tail_len = 0;
    while (code & top) {
        int tmp;
        tail_len++;
        if (p >= buf_end) {
            (*bufp) ++;
            return AVERROR(EILSEQ); /* incomplete sequence */
        }

        /* we assume the byte to be in the form 10xx-xxxx */
        tmp = *p++ - 128;   /* strip leading 1 */
        if (tmp>>6) {
            (*bufp) ++;
            return AVERROR(EILSEQ);
        }
        code = (code<<6) + tmp;
        top <<= 5;
    }
    code &= (top << 1) - 1;

    /* check for overlong encodings */
    av_assert0(tail_len <= 5);
    if (code < overlong_encoding_mins[tail_len]) {
        ret = AVERROR(EILSEQ);
        goto end;
    }

    if (code >= 1<<31) {
        ret = AVERROR(EILSEQ);  /* out-of-range value */
        goto end;
    }

    *codep = code;

    if (code > 0x10FFFF &&
        !(flags & AV_UTF8_FLAG_ACCEPT_INVALID_BIG_CODES))
        ret = AVERROR(EILSEQ);
    if (code < 0x20 && code != 0x9 && code != 0xA && code != 0xD &&
        flags & AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES)
        ret = AVERROR(EILSEQ);
    if (code >= 0xD800 && code <= 0xDFFF &&
        !(flags & AV_UTF8_FLAG_ACCEPT_SURROGATES))
        ret = AVERROR(EILSEQ);
    if ((code == 0xFFFE || code == 0xFFFF) &&
        !(flags & AV_UTF8_FLAG_ACCEPT_NON_CHARACTERS))
        ret = AVERROR(EILSEQ);

end:
    *bufp = p;
    return ret;
}

int av_match_list(const char *name, const char *list, char separator)
{
    const char *p, *q;

    for (p = name; p && *p; ) {
        for (q = list; q && *q; ) {
            int k;
            for (k = 0; p[k] == q[k] || (p[k]*q[k] == 0 && p[k]+q[k] == separator); k++)
                if (k && (!p[k] || p[k] == separator))
                    return 1;
            q = strchr(q, separator);
            q += !!q;
        }
        p = strchr(p, separator);
        p += !!p;
    }

    return 0;
}

#ifdef TEST

int main(void)
{
    int i;
    static const char * const strings[] = {
        "''",
        "",
        ":",
        "\\",
        "'",
        "    ''    :",
        "    ''  ''  :",
        "foo   '' :",
        "'foo'",
        "foo     ",
        "  '  foo  '  ",
        "foo\\",
        "foo':  blah:blah",
        "foo\\:  blah:blah",
        "foo\'",
        "'foo :  '  :blahblah",
        "\\ :blah",
        "     foo",
        "      foo       ",
        "      foo     \\ ",
        "foo ':blah",
        " foo   bar    :   blahblah",
        "\\f\\o\\o",
        "'foo : \\ \\  '   : blahblah",
        "'\\fo\\o:': blahblah",
        "\\'fo\\o\\:':  foo  '  :blahblah"
    };

    printf("Testing av_get_token()\n");
    for (i = 0; i < FF_ARRAY_ELEMS(strings); i++) {
        const char *p = strings[i];
        char *q;
        printf("|%s|", p);
        q = av_get_token(&p, ":");
        printf(" -> |%s|", q);
        printf(" + |%s|\n", p);
        av_free(q);
    }

    return 0;
}

#endif /* TEST */
Commit	Line	Data
2ba45a60 DM	1	/*
	2	* Copyright (c) 2000, 2001, 2002 Fabrice Bellard
	3	* Copyright (c) 2007 Mans Rullgard
	4	*
	5	* This file is part of FFmpeg.
	6	*
	7	* FFmpeg is free software; you can redistribute it and/or
	8	* modify it under the terms of the GNU Lesser General Public
	9	* License as published by the Free Software Foundation; either
	10	* version 2.1 of the License, or (at your option) any later version.
	11	*
	12	* FFmpeg is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	15	* Lesser General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU Lesser General Public
	18	* License along with FFmpeg; if not, write to the Free Software
	19	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	20	*/
	21
	22	#include <stdarg.h>
	23	#include <stdint.h>
	24	#include <stdio.h>
	25	#include <string.h>
	26
	27	#include "config.h"
	28	#include "common.h"
	29	#include "mem.h"
	30	#include "avassert.h"
	31	#include "avstring.h"
	32	#include "bprint.h"
	33
	34	int av_strstart(const char str, const char pfx, const char **ptr)
	35	{
	36	while (pfx && pfx == *str) {
	37	pfx++;
	38	str++;
	39	}
	40	if (!*pfx && ptr)
	41	*ptr = str;
	42	return !*pfx;
	43	}
	44
	45	int av_stristart(const char str, const char pfx, const char **ptr)
	46	{
	47	while (pfx && av_toupper((unsigned)pfx) == av_toupper((unsigned)*str)) {
	48	pfx++;
	49	str++;
	50	}
	51	if (!*pfx && ptr)
	52	*ptr = str;
	53	return !*pfx;
	54	}
	55
	56	char av_stristr(const char s1, const char *s2)
	57	{
	58	if (!*s2)
	59	return (char*)(intptr_t)s1;
	60
	61	do
	62	if (av_stristart(s1, s2, NULL))
	63	return (char*)(intptr_t)s1;
	64	while (*s1++);
65
66	return NULL;
67	}
68
69	char av_strnstr(const char haystack, const char *needle, size_t hay_length)
70	{
71	size_t needle_len = strlen(needle);
72	if (!needle_len)
73	return (char*)haystack;
74	while (hay_length >= needle_len) {
75	hay_length--;
76	if (!memcmp(haystack, needle, needle_len))
77	return (char*)haystack;
78	haystack++;
79	}
80	return NULL;
81	}
82
83	size_t av_strlcpy(char dst, const char src, size_t size)
84	{
85	size_t len = 0;
86	while (++len < size && *src)
87	dst++ = src++;
88	if (len <= size)
89	*dst = 0;
90	return len + strlen(src) - 1;
91	}
92
93	size_t av_strlcat(char dst, const char src, size_t size)
94	{
95	size_t len = strlen(dst);
96	if (size <= len + 1)
97	return len + strlen(src);
98	return len + av_strlcpy(dst + len, src, size - len);
99	}
100
101	size_t av_strlcatf(char dst, size_t size, const char fmt, ...)
102	{
103	int len = strlen(dst);
104	va_list vl;
105
106	va_start(vl, fmt);
107	len += vsnprintf(dst + len, size > len ? size - len : 0, fmt, vl);
108	va_end(vl);
109
110	return len;
111	}
112
113	char av_asprintf(const char fmt, ...)
114	{
115	char *p = NULL;
116	va_list va;
117	int len;
118
119	va_start(va, fmt);
120	len = vsnprintf(NULL, 0, fmt, va);
121	va_end(va);
122	if (len < 0)
123	goto end;
124
125	p = av_malloc(len + 1);
126	if (!p)
127	goto end;
128
129	va_start(va, fmt);
130	len = vsnprintf(p, len + 1, fmt, va);
131	va_end(va);
132	if (len < 0)
133	av_freep(&p);
134
135	end:
136	return p;
137	}
138
139	char *av_d2str(double d)
140	{
141	char *str = av_malloc(16);
142	if (str)
143	snprintf(str, 16, "%f", d);
144	return str;
145	}
146
147	#define WHITESPACES " \n\t"
148
149	char av_get_token(const char buf, const char term)
150	{
151	char out = av_malloc(strlen(buf) + 1);
152	char ret = out, end = out;
153	const char p = buf;
154	if (!out)
155	return NULL;
156	p += strspn(p, WHITESPACES);
157
158	while (*p && !strspn(p, term)) {
159	char c = *p++;
160	if (c == '\\' && *p) {
161	out++ = p++;
162	end = out;
163	} else if (c == '\'') {
164	while (p && p != '\'')
165	out++ = p++;
166	if (*p) {
167	p++;
168	end = out;
169	}
170	} else {
171	*out++ = c;
172	}
173	}
174
175	do
176	*out-- = 0;
177	while (out >= end && strspn(out, WHITESPACES));
178
179	*buf = p;
180
181	return ret;
182	}
183
184	char av_strtok(char s, const char delim, char *saveptr)
185	{
186	char *tok;
187
188	if (!s && !(s = *saveptr))
189	return NULL;
190
191	/* skip leading delimiters */
192	s += strspn(s, delim);
193
194	/* s now points to the first non delimiter char, or to the end of the string */
195	if (!*s) {
196	*saveptr = NULL;
197	return NULL;
198	}
199	tok = s++;
200
201	/* skip non delimiters */
202	s += strcspn(s, delim);
203	if (*s) {
204	*s = 0;
205	*saveptr = s+1;
206	} else {
207	*saveptr = NULL;
208	}
209
210	return tok;
211	}
212
213	int av_strcasecmp(const char a, const char b)
214	{
215	uint8_t c1, c2;
216	do {
217	c1 = av_tolower(*a++);
218	c2 = av_tolower(*b++);
219	} while (c1 && c1 == c2);
220	return c1 - c2;
221	}
222
223	int av_strncasecmp(const char a, const char b, size_t n)
224	{
225	const char *end = a + n;
226	uint8_t c1, c2;
227	do {
228	c1 = av_tolower(*a++);
229	c2 = av_tolower(*b++);
230	} while (a < end && c1 && c1 == c2);
231	return c1 - c2;
232	}
233
234	const char av_basename(const char path)
235	{
236	char *p = strrchr(path, '/');
237
238	#if HAVE_DOS_PATHS
239	char *q = strrchr(path, '\\');
240	char *d = strchr(path, ':');
241
242	p = FFMAX3(p, q, d);
243	#endif
244
245	if (!p)
246	return path;
247
248	return p + 1;
249	}
250
251	const char av_dirname(char path)
252	{
253	char *p = strrchr(path, '/');
254
255	#if HAVE_DOS_PATHS
256	char *q = strrchr(path, '\\');
257	char *d = strchr(path, ':');
258
259	d = d ? d + 1 : d;
260
261	p = FFMAX3(p, q, d);
262	#endif
263
264	if (!p)
265	return ".";
266
267	*p = '\0';
268
269	return path;
270	}
271
272	int av_escape(char *dst, const char src, const char *special_chars,
273	enum AVEscapeMode mode, int flags)
274	{
275	AVBPrint dstbuf;
276
277	av_bprint_init(&dstbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
278	av_bprint_escape(&dstbuf, src, special_chars, mode, flags);
279
280	if (!av_bprint_is_complete(&dstbuf)) {
281	av_bprint_finalize(&dstbuf, NULL);
282	return AVERROR(ENOMEM);
283	} else {
284	av_bprint_finalize(&dstbuf, dst);
285	return dstbuf.len;
286	}
287	}
288
289	int av_isdigit(int c)
290	{
291	return c >= '0' && c <= '9';
292	}
293
294	int av_isgraph(int c)
295	{
296	return c > 32 && c < 127;
297	}
298
299	int av_isspace(int c)
300	{
301	return c == ' ' \|\| c == '\f' \|\| c == '\n' \|\| c == '\r' \|\| c == '\t' \|\|
302	c == '\v';
303	}
304
305	int av_isxdigit(int c)
306	{
307	c = av_tolower(c);
308	return av_isdigit(c) \|\| (c >= 'a' && c <= 'f');
309	}
310
311	int av_match_name(const char name, const char names)
312	{
313	const char *p;
314	int len, namelen;
315
316	if (!name \|\| !names)
317	return 0;
318
319	namelen = strlen(name);
320	while ((p = strchr(names, ','))) {
321	len = FFMAX(p - names, namelen);
322	if (!av_strncasecmp(name, names, len))
323	return 1;
324	names = p + 1;
325	}
326	return !av_strcasecmp(name, names);
327	}
328
329	int av_utf8_decode(int32_t codep, const uint8_t bufp, const uint8_t buf_end,
330	unsigned int flags)
331	{
332	const uint8_t p = bufp;
333	uint32_t top;
334	uint64_t code;
335	int ret = 0, tail_len;
336	uint32_t overlong_encoding_mins[6] = {
337	0x00000000, 0x00000080, 0x00000800, 0x00010000, 0x00200000, 0x04000000,
338	};
339
340	if (p >= buf_end)
341	return 0;
342
343	code = *p++;
344
345	/* first sequence byte starts with 10, or is 1111-1110 or 1111-1111,
346	which is not admitted */
347	if ((code & 0xc0) == 0x80 \|\| code >= 0xFE) {
348	ret = AVERROR(EILSEQ);
349	goto end;
350	}
351	top = (code & 128) >> 1;
352
353	tail_len = 0;
354	while (code & top) {
355	int tmp;
356	tail_len++;
357	if (p >= buf_end) {
358	(*bufp) ++;
359	return AVERROR(EILSEQ); /* incomplete sequence */
360	}
361
362	/* we assume the byte to be in the form 10xx-xxxx */
363	tmp = p++ - 128; / strip leading 1 */
364	if (tmp>>6) {
365	(*bufp) ++;
366	return AVERROR(EILSEQ);
367	}
368	code = (code<<6) + tmp;
369	top <<= 5;
370	}
371	code &= (top << 1) - 1;
372
373	/* check for overlong encodings */
374	av_assert0(tail_len <= 5);
375	if (code < overlong_encoding_mins[tail_len]) {
376	ret = AVERROR(EILSEQ);
377	goto end;
378	}
379
380	if (code >= 1<<31) {
381	ret = AVERROR(EILSEQ); /* out-of-range value */
382	goto end;
383	}
384
385	*codep = code;
386
387	if (code > 0x10FFFF &&
388	!(flags & AV_UTF8_FLAG_ACCEPT_INVALID_BIG_CODES))
389	ret = AVERROR(EILSEQ);
390	if (code < 0x20 && code != 0x9 && code != 0xA && code != 0xD &&
391	flags & AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES)
392	ret = AVERROR(EILSEQ);
393	if (code >= 0xD800 && code <= 0xDFFF &&
394	!(flags & AV_UTF8_FLAG_ACCEPT_SURROGATES))
395	ret = AVERROR(EILSEQ);
396	if ((code == 0xFFFE \|\| code == 0xFFFF) &&
397	!(flags & AV_UTF8_FLAG_ACCEPT_NON_CHARACTERS))
398	ret = AVERROR(EILSEQ);
399
400	end:
401	*bufp = p;
402	return ret;
403	}
404
f6fa7814 DM	405	int av_match_list(const char name, const char list, char separator)
	406	{
	407	const char p, q;
	408
	409	for (p = name; p && *p; ) {
	410	for (q = list; q && *q; ) {
	411	int k;
	412	for (k = 0; p[k] == q[k] \|\| (p[k]*q[k] == 0 && p[k]+q[k] == separator); k++)
	413	if (k && (!p[k] \|\| p[k] == separator))
	414	return 1;
	415	q = strchr(q, separator);
	416	q += !!q;
	417	}
	418	p = strchr(p, separator);
	419	p += !!p;
	420	}
	421
	422	return 0;
	423	}
	424
2ba45a60 DM	425	#ifdef TEST
	426
	427	int main(void)
	428	{
	429	int i;
	430	static const char * const strings[] = {
	431	"''",
	432	"",
	433	":",
	434	"\\",
	435	"'",
	436	" '' :",
	437	" '' '' :",
	438	"foo '' :",
	439	"'foo'",
	440	"foo ",
	441	" ' foo ' ",
	442	"foo\\",
	443	"foo': blah:blah",
	444	"foo\\: blah:blah",
	445	"foo\'",
	446	"'foo : ' :blahblah",
	447	"\\ :blah",
	448	" foo",
	449	" foo ",
	450	" foo \\ ",
	451	"foo ':blah",
	452	" foo bar : blahblah",
	453	"\\f\\o\\o",
	454	"'foo : \\ \\ ' : blahblah",
	455	"'\\fo\\o:': blahblah",
	456	"\\'fo\\o\\:': foo ' :blahblah"
	457	};
	458
	459	printf("Testing av_get_token()\n");
	460	for (i = 0; i < FF_ARRAY_ELEMS(strings); i++) {
	461	const char *p = strings[i];
	462	char *q;
	463	printf("\|%s\|", p);
	464	q = av_get_token(&p, ":");
	465	printf(" -> \|%s\|", q);
	466	printf(" + \|%s\|\n", p);
	467	av_free(q);
	468	}
	469
	470	return 0;
	471	}
	472
	473	#endif /* TEST */