Segmentation fault using strcat

Question

Here is my code :

char *name, name_log=\"log-\";

------getting \'name\' from user-----

strcat(name_log, name);
char ext[] =         


        

Answer 1

the name_log is pointed at a static place: "log-", which means is could not be modified, while as the first parameter in strcat(), it must be modifiable.

try changing name_log's type char* into char[], e.g.

char[20] name_log = "log-";