{"id":34559,"date":"2023-03-30T23:59:40","date_gmt":"2023-03-30T18:29:40","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-malloc-error-for-object-0x147606ac0-pointer-being-reallocd-was-not-allocated\/"},"modified":"2023-03-30T23:59:40","modified_gmt":"2023-03-30T18:29:40","slug":"solved-malloc-error-for-object-0x147606ac0-pointer-being-reallocd-was-not-allocated","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-malloc-error-for-object-0x147606ac0-pointer-being-reallocd-was-not-allocated\/","title":{"rendered":"[Solved] malloc: *** error for object 0x147606ac0: pointer being realloc’d was not allocated"},"content":{"rendered":"

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The function is not updating the caller’s value of client_details, you need one more level of pointer:<\/p>\n

void func(struct client_detail **client_details,int *size){\n    *client_details = realloc(*client_details, (*size + 1) * sizeof(**client_details));\n    *size = *size + 1;\n}\n\nint main()\n{\n    struct group_detail *group_details = malloc(0 * sizeof(*group_details));\n    struct client_detail *client_details = malloc(1 * sizeof(*client_details));\n    int size = 0;\n    int j = 0;\n    while(j < 100){\n        func(&client_details,&size);\n        j++;\n    }\n    return 0;\n}\n<\/code><\/pre>\n
Similar as with size, if you just wanted the value, the type would be int<\/code>. Changing an int size<\/code> variable inside the function would not have any effect on the caller. You want to change it, so you make a pointer to int int *<\/code> and dereference it to read\/write the value.<\/p>\n
With void func(struct client_detail *client_details,int *size){<\/code> you are getting the client_details pointer by value and changing that will have no effect on the caller’s variable. You need to add a pointer-to-it similar as was done for size.<\/p>\n<\/p><\/div>\n
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            0<\/span> <\/p><\/div>\n<\/div>\n
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solved malloc: *** error for object 0x147606ac0: pointer being realloc’d was not allocated <\/p>\n","protected":false},"excerpt":{"rendered":"
[ad_1] The function is not updating the caller’s value of client_details, you need one more level of pointer: void func(struct client_detail **client_details,int *size){ *client_details = realloc(*client_details, (*size + 1) * sizeof(**client_details)); *size = *size + 1; } int main() { struct group_detail *group_details = malloc(0 * sizeof(*group_details)); struct client_detail *client_details = malloc(1 * sizeof(*client_details)); int … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[324,377,386,2162],"class_list":["post-34559","post","type-post","status-publish","format-standard","hentry","category-solved","tag-c","tag-dynamic-memory-allocation","tag-malloc","tag-realloc"],"yoast_head":"\n[Solved] malloc: *** error for object 0x147606ac0: pointer being realloc'd was not allocated - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-malloc-error-for-object-0x147606ac0-pointer-being-reallocd-was-not-allocated\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] malloc: *** error for object 0x147606ac0: pointer being realloc'd was not allocated - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] The function is not updating the caller’s value of client_details, you need one more level of pointer: void func(struct client_detail **client_details,int *size){ *client_details = realloc(*client_details, (*size + 1) * sizeof(**client_details)); *size = *size + 1; } int main() { struct group_detail *group_details = malloc(0 * sizeof(*group_details)); struct client_detail *client_details = malloc(1 * sizeof(*client_details)); int ... 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