int main(int argc, char* argv[]) { unsigned int max_pd_prime = 0; sieve_t sieve = prime_sieve(LIMIT); for(int i = 0; i < sieve.num; i++) { char digits[64]; memset(digits, '\0', 64); int len = sprintf(digits, "%u", sieve.primes[i]); bool is_pan = true; for(int c = 1; c <= len; c++) { if(substr_count(digits, len, c + 48) != 1) { is_pan = false; break; } } // primes are always increasing so no need to check if(is_pan) { max_pd_prime = sieve.primes[i]; } } printf("%u", max_pd_prime); return 0; }
string_t copy_strreplace(const string_t search, const string_t replace, const string_t subject, const bool ignorecase) { size_t len_subject = strlen(subject); size_t len_search = strlen(search); size_t len_replace = strlen(replace); size_t count = substr_count(subject, search); size_t len = len_subject - len_search * count + len_replace + count; string_t result = (string_t)malloc(sizeof(char) * (len + 1)); size_t i = 0; size_t c = 0; int (* cmp)(const char *, const char *, size_t) = ignorecase ? strncasecmp : strncmp; while (i <= len_subject) { if (cmp(subject + i, search, len_search) == 0) { memcpy(result + c, replace, len_replace); c += len_replace; i += len_search; } else { *(result + c) = *(subject + i); c++; i++; } } return result; }
int main(int argc, const char * argv[]) { const string_t s1 = "Created by Cator VeeVee on 10/22/13 (cator)"; const string_t s2 = "cator"; const string_t s3 = "Cator"; const string_t s4 = "Wei"; string_t str; printf("s1 = '%s' \n", s1); printf("s2 = '%s' \n", s2); printf("s3 = '%s' \n", s3); printf("s4 = '%s' \n", s4); __("strpos"); { printf("strpos(s1, s2): %ld \n", strpos(s1, s2)); printf("stripos(s1, s2): %ld \n", stripos(s1, s2)); printf("strrpos(s1, s3): %ld \n", strrpos(s1, s3)); printf("strripos(s1, s3): %ld \n", strripos(s1, s3)); printf("strpos(s1, s4): %ld \n", strpos(s1, s4)); printf("stripos(s1, s4): %ld \n", stripos(s1, s4)); printf("strrpos(s1, s4): %ld \n", strrpos(s1, s4)); printf("strripos(s1, s4): %ld \n", strripos(s1, s4)); } __("copy_substr"); { str = copy_substr(s1, 11, 5); printf("copy_substr(s1, 11, 5): '%s'\n", str); free(str); str = copy_substr(s1, -6, 5); printf("copy_substr(s1, -6, 5): '%s'\n", str); free(str); str = copy_substr(s1, -6, -1); printf("copy_substr(s1, -6, -1): '%s'\n", str); free(str); str = copy_substr(s1, 34, 10000); printf("copy_substr(s1, 34, 10000): '%s'\n", str); free(str); str = copy_substr(s1, 34, 0); printf("copy_substr(s1, 34, 0): '%s'\n", str); free(str); } __("substr_count"); { printf("substr_count(s1, \"Vee\"): %ld\n", substr_count(s1, "Vee")); printf("substr_count(s1, \"Cator\"): %ld\n", substr_count(s1, "Cator")); } __("strcase"); { str = copy_str(s1); printf("strtolowwer(s1): '%s'\n", strtolower(&str)); printf("strtoupper(s1): '%s'\n", strtoupper(&str)); printf("lcfirst(s1): '%s'\n", lcfirst(&str)); strtolower(&str); printf("ucfirst(s1): '%s'\n", ucfirst(&str)); strtolower(&str); printf("ucwords(s1): '%s'\n", ucwords(&str)); free(str); } __("trim"); { str = copy_str(" \t\v cator \r\n "); printf("ltrim(\" \\t\\v cator \\r\\n \"): '%s'\n", ltrim(&str)); free(str); str = copy_str(" \t\v cator \r\n "); printf("rtrim(\" \\t\\v cator \\r\\n \"): '%s'\n", rtrim(&str)); free(str); str = copy_str(" \t\v cator \r\n "); printf("trim(\" \\t\\v cator \\r\\n \"): '%s'\n", trim(&str)); free(str); } __("repeat"); { str = copy_repeat("-=", 10); printf("copy_repeat(\"-=\", 10): '%s'\n", str); free(str); str = copy_strpad(s2, 20, "-=", STR_PAD_LEFT); printf("copy_strpad(s2, 20, \"-=\", STR_PAD_LEFT): '%s'\n", str); free(str); str = copy_strpad(s2, 20, "-=", STR_PAD_RIGHT); printf("copy_strpad(s2, 20, \"-=\", STR_PAD_RIGHT): '%s'\n", str); free(str); str = copy_strpad(s2, 20, "-=", STR_PAD_BOTH); printf("copy_strpad(s2, 20, \"-=\", STR_PAD_BOTH): '%s'\n", str); free(str); } __("replace"); { str = copy_str(s1); printf("strtr(&str, \"ctr\", \"CTR\"): '%s'\n", strtr(&str, "ctr", "CTR")); free(str); str = copy_replace("cator", "*name*", s1); printf("copy_replace(\"cator\", \"*name*\", s1): '%s'\n", str); free(str); str = copy_ireplace("cator", "*name*", s1); printf("copy_ireplace(\"cator\", \"*name*\", s1): '%s'\n", str); free(str); } __("html"); { string_t html = "<p>Test 'paragraph'.</p><!-- Comment --> <a href=\"#fragment\">Other text</a>"; printf("html: ‘%s’\n", html); str = copy_str(html); printf("striptags(html): '%s'\n", striptags(&str)); free(str); str = copy_htmlencode(html, false); printf("copy_htmlencode(html, false): '%s'\n", str); free(str); str = copy_htmlencode(html, true); printf("copy_htmlencode(html, true): '%s'\n", str); free(str); str = copy_htmlencode(html, false); printf("htmldecode(encoded_html): '%s'\n", htmldecode(&str)); free(str); } __("url"); { string_t url = "http://*****:*****@catorv.com/index.html?name=cator&age=100#vee~"; printf("url: '%s'\n", url); str = copy_urlencode(url); printf("copy_urlencode(url): '%s'\n", str); printf("urldecode(copy_urlencode(url)): '%s'\n", urldecode(&str)); free(str); urlcompoments_t *components = copy_urlcompoments(url); if (components) { printf("copy_urlcompoments - scheme: '%s'\n", components->scheme); printf("copy_urlcompoments - user: '******'\n", components->user); printf("copy_urlcompoments - password: '******'\n", components->password); printf("copy_urlcompoments - host: '%s'\n", components->host); printf("copy_urlcompoments - port: %d\n", components->port); printf("copy_urlcompoments - path: '%s'\n", components->path); printf("copy_urlcompoments - query: '%s'\n", components->query); printf("copy_urlcompoments - fragment: '%s'\n", components->fragment); free_urlcomponents(components); } } __("base64"); { str = copy_base64encode(s1); printf("copy_base64encode(s1): '%s'\n", str); printf("base64decode(encoded_str): '%s'\n", base64decode(&str)); free(str); } __("md5"); { md5context_t md5; unsigned char decrypt[16]; size_t len = strlen(s2); int i; md5init(&md5); md5update(&md5, s2, len); md5final(decrypt, &md5); printf("copy_md5(s2): '"); for(i = 0; i < 16; i++) { printf("%02x", decrypt[i]); } printf("'\n"); // or str = copy_md5(s3); printf("copy_md5(s3): '%s'\n", str); free(str); } __("slashes"); { str = copy_addslashes("ab'cd\"dd\\..."); printf("copy_addslashes: '%s'\n", str); printf("stripslashes: '%s'\n", stripslashes(&str)); free(str); } return 0; }