/* * 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 <stdio.h> #include "libavutil/common.h"#include "libavutil/mem.h"#include "libavutil/avstring.h" int main(void){    int i;    char *fullpath, *ptr;    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"    };    const char *haystack = "Education consists mainly in what we have unlearned.";    const char * const needle[] = {"learned.", "unlearned.", "Unlearned"};     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);    }     printf("Testing av_append_path_component()\n");    #define TEST_APPEND_PATH_COMPONENT(path, component, expected) \        fullpath = av_append_path_component((path), (component)); \        printf("%s = %s\n", fullpath ? fullpath : "(null)", expected); \        av_free(fullpath);    TEST_APPEND_PATH_COMPONENT(NULL, NULL, "(null)")    TEST_APPEND_PATH_COMPONENT("path", NULL, "path");    TEST_APPEND_PATH_COMPONENT(NULL, "comp", "comp");    TEST_APPEND_PATH_COMPONENT("path", "comp", "path/comp");    TEST_APPEND_PATH_COMPONENT("path/", "comp", "path/comp");    TEST_APPEND_PATH_COMPONENT("path", "/comp", "path/comp");    TEST_APPEND_PATH_COMPONENT("path/", "/comp", "path/comp");    TEST_APPEND_PATH_COMPONENT("path/path2/", "/comp/comp2", "path/path2/comp/comp2");     /*Testing av_strnstr()*/    #define TEST_STRNSTR(haystack, needle, hay_length, expected) \        ptr = av_strnstr(haystack, needle, hay_length); \        if (ptr != expected){ \            printf("expected: %p, received %p\n", expected, ptr); \        }    TEST_STRNSTR(haystack, needle [0], strlen(haystack), haystack+44);    TEST_STRNSTR(haystack, needle [1], strlen(haystack), haystack+42);    TEST_STRNSTR(haystack, needle [2], strlen(haystack), NULL       );    TEST_STRNSTR(haystack, strings[1], strlen(haystack), haystack   );     /*Testing av_d2str()*/    #define TEST_D2STR(value, expected) \        if((ptr = av_d2str(value)) == NULL){ \            printf("error, received null pointer!\n"); \        } else { \            if(strcmp(ptr, expected) != 0) \                printf( "expected: %s, received: %s\n", expected, ptr); \            av_free(ptr); \        }    TEST_D2STR(0         ,  "0.000000");    TEST_D2STR(-1.2333234, "-1.233323");    TEST_D2STR(-1.2333237, "-1.233324");    return 0;}