{"id":474,"date":"2022-08-30T15:01:57","date_gmt":"2022-08-30T15:01:57","guid":{"rendered":"https:\/\/unknownerror.org\/index.php\/2013\/11\/09\/problem-about-char-pointer-collection-of-common-programming-errors\/"},"modified":"2022-08-30T15:01:57","modified_gmt":"2022-08-30T15:01:57","slug":"problem-about-char-pointer-collection-of-common-programming-errors","status":"publish","type":"post","link":"https:\/\/unknownerror.org\/index.php\/2022\/08\/30\/problem-about-char-pointer-collection-of-common-programming-errors\/","title":{"rendered":"problem about char-pointer-Collection of common programming errors"},"content":{"rendered":"<ul>\n<li><img decoding=\"async\" src=\"http:\/\/i.stack.imgur.com\/xmnNL.jpg?s=32&amp;g=1\" \/><br \/>\nTorhan Bartel<br \/>\nc arrays strtok char-pointer<br \/>\nI have problems getting following Code to work. It parses a users input into a char*[] and returns it. However the char* command[] does not accept any values and stays filled with NULL&#8230; whats going<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/c6c819f000460429a5f0239240326a45?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nBrandon<br \/>\nc++ access-violation char-pointer<br \/>\nI&#8217;m probably doing something stupid here, but it&#8217;s been a while since I&#8217;ve worked in C++ and for some reason I keep getting an access violation when sprintf i<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/fd31b8bcea99fa7b0711fbc424587774?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\noctopusgrabbus<br \/>\nc memory-management char-pointer<br \/>\nAfter writing a program to reverse a string, I am having trouble understanding why I got a seg fault while trying to reverse the string. I have listed my program below.#include #include #include void reverse(char *);int main() {char *str = calloc(1,&#8217;\\0&#8242;);strcpy(str,&#8221;mystring0123456789&#8243;);reverse(str);print<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/14eed9764109173aa8f7feb96124efbf?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nKacy Raye<br \/>\nc++ arrays char-pointer<br \/>\nSo I&#8217;d like to say I know Java pretty well, and now I&#8217;m slowly but surely learning C++ so please bare with me because I&#8217;m sure this is a tr<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/graph.facebook.com\/759163170\/picture?type=large\" \/><br \/>\nJace<br \/>\nc++ stringstream uint64 char-pointer<br \/>\nI&#8217;m working on a game and I ran into a strange little issue&#8230; I was wondering if anyone here would be able to figure this out and explain it to me (it&#8217;s eating me up!)Firstly, here&#8217;s the relevant code.\/\/ even if this data is not set, it returns &#8220;&#8221; \/\/ so it&#8217;s pretty much never null \/\/ but if the function returns something, \/\/ it will be the string representation of a 64bit unsigned int const char* c_KickID = GetGameData(&#8220;kick_member_id&#8221;);\/\/gets my ID, works fine. unsigned long long myID = GetMyID();if(c_KickID != NULL) {\/\/here i convert it to a unsigned 64-bit intunsigned long long kickID;std::stringstream ss(c_KickID);ss<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/20153d6f09abfcfd056c35faf3125b87?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nJoce<br \/>\nc++ cstring strcmp char-pointer<br \/>\nI am having understanding a weird behavior of strcmp function, which will be illustrated by the following code:#include #include using namespace std;int main() {char *p = &#8220;no&#8221;;cout<\/li>\n<\/ul>\n<p id=\"rop\"><small>Originally posted 2013-11-09 19:44:25. <\/small><\/p>","protected":false},"excerpt":{"rendered":"<p>Torhan Bartel c arrays strtok char-pointer I have problems getting following Code to work. It parses a users input into a char*[] and returns it. However the char* command[] does not accept any values and stays filled with NULL&#8230; whats going Brandon c++ access-violation char-pointer I&#8217;m probably doing something stupid here, but it&#8217;s been a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-474","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/474","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=474"}],"version-history":[{"count":0,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/474\/revisions"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=474"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=474"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=474"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}