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464 lines
12 KiB
C
464 lines
12 KiB
C
//files.h: file manipulations
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/*
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Program title: CMDTYPIST
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Author: Chiatiah Calson
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License: GPL 3 or later versions
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Date and Time: 5 July 2017 @ 10:40PM
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Program Size: 2.8
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*/
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void test_new_user(char *name)//used to create new user name
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{
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if(first_time()!=0)//if a user exist
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{
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//char ch='z';//setting a value so that the value initialized by default is never y or n
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printf("\nWARNING: All saved data will be erased <copy and save user_speed.info file if you would need it in future>\n"
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"Do you want to continue: [y/n]:");
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if(get_only_char()=='n')
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exit(EXIT_FAILURE);
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}
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confirm_user_exist();
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strcat(upper_case(name),"\n");
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if(strlen(name)<3)
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{
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fprintf(stderr, "%s %s\n", name,"too short, cannot be a user name");//exiting when a wrong value is entered
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exit(EXIT_FAILURE);
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}
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FILE *fp;
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if((fp=fopen("./speed/user_speed.info","w"))==NULL)
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{
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fprintf(stderr, "%s\n", "Fatal Error, Some files are missing");
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exit(EXIT_FAILURE);
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}
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rewind(fp);
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fprintf(fp, "%s\n", name);
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fget_ignore_newline(name);
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printf("\n%s %s\n",name,"written with success");
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if(fclose(fp))
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{
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fprintf(stderr, "%s\n", "Fatal Error, Unable to close some files\n");
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exit(EXIT_FAILURE);
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}
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}
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/*Ensures atleast one user account exist*/
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extern void user_test(void)
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{
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FILE *fp;
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if((fp=fopen("./speed/user_speed.info","r"))==NULL)
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{
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fprintf(stderr, "%s\n", "Fatal Error, Some files are missing");
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exit(EXIT_FAILURE);
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}
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rewind(fp);
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char ch=getc(fp);
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if(ch==EOF)//checking if at the beginning of a character there is a charater, if not exist
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{
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fprintf(stderr, "%s\n", "No user exists yet, use <command mkuser \"username\"> to add new user");
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exit(EXIT_FAILURE);
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}
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if(fclose(fp))
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{
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fprintf(stderr, "%s\n", "Unable to close lesson file");
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exit(EXIT_FAILURE);
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}
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}
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void write_user_speed(unsigned int session_time,int wrongly_typed, float typed)//Elapsed time is time taken to type
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{
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time_t timer = time(NULL);
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char time_nw[18];
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strcpy(time_nw, ctime(&timer));
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short i=0;
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/*
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*removing trailing newline
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*/
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while(i<=200){
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if(time_nw[i]=='\n'){
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time_nw[i] = '\0';
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break;
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}
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i++;
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}
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FILE* fp;
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char time_conversion[36];//stores converted time by seconds_hms()
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if((fp=fopen("./speed/user_speed.info","r+"))==NULL)
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{
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fprintf(stderr, "%s\n", "Fatal Error, Some files are missing");
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exit(EXIT_FAILURE);
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}
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float raw_speed=0;//holds the speed when not ajusted.
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float adj_speed=0;//holds the adjusted speed
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make_current(fp);
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fseek(fp,0L,SEEK_END);//moving to end of file
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fprintf(fp, "\t+------------------ %s -------------------+\n",time_nw);//printing date and time when the test is done
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seconds_to_hms(session_time,time_conversion);
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//fprintf(fp, "\t|%d%s TIME: %s\n",wrongly_typed,(wrongly_typed==0)? "(NO Error)":(wrongly_typed==1)? "ERROR":"ERRORS",time_conversion);
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raw_speed= ((float)typed*60.0f)/(float)session_time;
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adj_speed= (float) (((float)typed-wrongly_typed)*60.0f)/(float)session_time;
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fprintf(fp, "\t|ERROR(s):%u TIME: %s SPEED: ~%.3fWPM Accuracy: %.2f%%\n",wrongly_typed,time_conversion,raw_speed/5.0f,(adj_speed/raw_speed)*100.0f);
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fprintf(fp, "\t|%s%.2fCPM ~= %.2fWPM \n", "AVERAGE SPEED: ",adj_speed,adj_speed/5.0);
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fprintf(fp, "%s\n\n", "\t+---------------------------------------------------------------+");
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if(fclose(fp))
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{
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fprintf(stderr, "%s\n", "Fatal Error, Unable to close some files\n");
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exit(EXIT_FAILURE);
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}
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}
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/*Reads user information already opened by main, writes to it the name with which the user
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wants to create an account with. Also reads system time and date and wite agains that user name*/
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void accounts_create(void)
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{
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FILE *fp;
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if((fp=fopen("user.info","a+"))==NULL)
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{
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fprintf(stderr, "%s\n", "Fatal Error, Some files are missing");
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exit(EXIT_FAILURE);
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}
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strcpy(user_info,user_name);
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strcat(user_info,__DATE__);
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strcat(user_info,__TIME__);
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user_info[strlen(user_info)]='\n';
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user_info[strlen(user_info)]='\0';
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fprintf(fp, "%s", user_info);
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if(fclose(fp))
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{
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fprintf(stderr, "%s\n", "Fatal Error, Unable to close some files\n");
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exit(EXIT_FAILURE);
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}
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}
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/*
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*Reads pariticular user information and stores in a global static variable user_info
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*using the fact that the end of each user information ends in new line
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*/
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char get_user_name(char *user_name)
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{
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char name_ch;
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int i=0;
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char ch;
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FILE *fp;
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if((fp=fopen("./speed/user_speed.info","r"))==NULL)
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{
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fprintf(stderr, "%s\n", "Fatal Error, Some files are missing");
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exit(EXIT_FAILURE);
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}
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rewind(fp);
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while((name_ch=getc(fp))!='\n'&&name_ch!=EOF){
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//putchar(name_ch);
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user_name[i] = name_ch;
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i++;
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}
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user_name[i]='\0';
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if(fclose(fp))
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{
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fprintf(stderr, "%s\n", "Fatal Error, Unable to close some files\n");
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exit(EXIT_FAILURE);
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}
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}
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/*Selects the user playing based on the name sent to it via command line*/
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long int select_user(void)
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{
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FILE *user_ptr;
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if((user_ptr=fopen("user.info","r+"))==NULL)
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{
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fprintf(stderr, "%s\n", "Fatal Error, Some files are missing");
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exit(EXIT_FAILURE);
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}
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int get_count=0;//used to regulate first user since there is no newline before the first user
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char ch;
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rewind(user_ptr);
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unsigned short int u;
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int i=0;
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while(u!=369)
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{
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char *user_name;
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get_user_name(user_name);
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get_count++;
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strcpy(temp_name,user_info);
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u=0;
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while(u!=369)
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{
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if((char)temp_name[u]=='.')
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break;
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u++;
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}
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temp_name[u+1]='\0';
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if(strcmp(temp_name,user_name)==0)
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{
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//fseek(user_ptr,select_user(),SEEK_CUR);//Moving back to start reading from the correct position
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break;
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}
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//else;
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i++;
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if(i==3000)
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{
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fprintf(stderr, "%s\n", "The account name you entered is incorrect, <try again>");
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exit(EXIT_FAILURE);
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}
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}
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if(get_count==1)
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rewind(user_ptr);
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else
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{
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fseek(user_ptr,-2L,SEEK_CUR);//Moving backward twice (escape new ling and string terminator)
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while((ch=fgetc(user_ptr))!='\n'&&ch!=EOF)
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fseek(user_ptr,-2L,SEEK_CUR);//moving backward twice since the while statement causes a single forward movement
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//to prevent reading of just one character that leads to infinite loop
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}
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fflush(user_ptr);//needed to clear buffer to prevnet ftell from reading wrong values from text files.
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return ftell(user_ptr);
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if(fclose(user_ptr))
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{
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fprintf(stderr, "%s\n", "Fatal Error, Unable to close some files\n");
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exit(EXIT_FAILURE);
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}
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}
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//Initial settings of cmdtypist.
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void reset_default_config(char *raw, int argc_cmd)
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{
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write_myown_config(1);
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write_conf_mode(1);
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write_conf_block_read(4);
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sound_config_write(0);
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write_message_conf(0);
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if(argc_cmd==3)
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{
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if(strcmp(raw,"raw")==0)
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{
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printf("%s", "Raw reset, resets everything including speed history; continue? [y/n]:");
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if(get_only_char()=='n')
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exit(EXIT_SUCCESS);
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else
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{
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FILE *fp;
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if((fp=fopen("./speed/user_speed.info","w+"))==NULL)
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{
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fprintf(stderr, "%s\n", "Could not reset, some files are missing");
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exit(EXIT_FAILURE);
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}
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fclose(fp);
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if((fp=fopen("my_own.txt","w+"))==NULL)
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{
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fprintf(stderr, "%s\n", "Could not reset, some files are missing");
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exit(EXIT_FAILURE);
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}
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fclose(fp);
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printf("%s\n", "User settings reset to default");
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}
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}
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}
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else printf("%s\n", "Soft reset successful");
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}
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/*Function takes the name of a file, and appends .txt to it, then tries to read it from external storage
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and determine the total number of characters it contains"*/
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long int read_file_size(FILE* name_to_read)
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{
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char ch;
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int size=0;
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rewind(name_to_read);
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while((ch=getc(name_to_read))!=EOF)
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size++;
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return size;
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}
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/*Writes the string that is given to it as a parameter, replaces
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every other string on the line to which it is writing to space
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and finally writes a newline to the end of the line*/
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void write_to_line(char* to_write, FILE* fp)
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{
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int i=0;
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char ch;
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//while((ch=fgetc(fp))!='\n')//Ensuring the end of file is not reached
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//{
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if((strlen(new_name))>=strlen(user_info))//starts printing in the first position of the line
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fprintf(fp, "%s", to_write);//write name
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else
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{
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fprintf(fp, "%s", to_write);
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while((ch=getc(fp))!='\n')
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{
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fseek(fp,-1L,SEEK_CUR);
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fprintf(fp, "%c", ' ');
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}
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/*if((ch=getc(fp))!='\n'&&ch!=' ')
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fseek(fp,-1L,SEEK_CUR);//moving backward one space since getc above had moved one space ahead
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//so as to write over the data existing.
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//fprintf(fp, "%s", " ");
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/*if(ch=='\n')
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{
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fseek(fp,-1L,SEEK_CUR);
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fprintf(fp, "%c", '\n');//writing newline at the end of file since it had been replaced with a space string
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break;//escaping since the end of the line has been reached
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} */
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}
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// i++;
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//}
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}
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void swap_modify_name(int length_of_string)
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{
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int i=0;
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//301, is just an exiting value
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while(i<=301)
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{
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int j=0;
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if(user_info[i]=='.')
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{
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while(j<=301)
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{
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//strcat(new_name,user_info[j+1]);
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new_name[length_of_string+j]=user_info[j+i];
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if(j==strlen(user_info)-i)
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{
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j=300;//value to help for an exit since the length of the sring is never more than 81
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i=300;
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}
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j++;
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}
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}
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i++;
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}
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new_name[strlen(new_name)]='\n';
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new_name[strlen(new_name)]='\0';
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}
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/*Opens the user file and over writes former name with new name,
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uses a new array already containing the new name and writes to it the date and time for the former user,
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it then writes this new array to the user info file*/
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void edit_name(void)
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{
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FILE *fp;
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if((fp=fopen("user.info","r+"))==NULL)
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{
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fprintf(stderr, "%s\n", "Fatal Error, Some files are missing");
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exit(EXIT_FAILURE);
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}
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fseek(fp,select_user(),SEEK_SET);
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write_to_line(new_name,fp);
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if(fclose(fp))
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{
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fprintf(stderr, "%s\n", "Fatal Error, Unable to close some files\n");
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exit(EXIT_FAILURE);
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}
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}
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/*used to remove all non standard ascii codes from user text*/
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extern void remove_ext_ascii(void)
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{
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srand((unsigned)time(NULL));
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FILE *fp;
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if((fp=fopen(file_to_read,"r+"))==NULL)
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{
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fprintf(stderr, "%s\n", "Fatal Error, Some files are missing");
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exit(EXIT_FAILURE);
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}
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rewind(fp);
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char ch,f;
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while((ch=getc(fp))!=EOF)
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{
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if(ch!='\n')
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if(!(isascii(ch)))
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{
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ch=rand()%15+33;
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//fprintf(stderr, "%c", ch);
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//f=getchar();
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fseek(fp,-1L,SEEK_CUR);
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putc(ch,fp);
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}
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}
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if(fclose(fp))
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{
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fprintf(stderr, "%s\n", "Fatal Error, Unable to close some files\n");
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exit(EXIT_FAILURE);
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}
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}
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/*
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*Limit the size of speed file to 10KB; occurs after 429 rounds
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*/
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extern void lmt_pg_size()//limit page size
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{
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FILE *fp;
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char user_name[81];
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if((fp=fopen("./speed/user_speed.info","r"))==NULL){
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fprintf(stderr, "%s\n", "Fatal Error, Some files are missing");
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exit(EXIT_FAILURE);
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}
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fseek(fp,0,SEEK_END);
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if(ftell(fp) >= 100000){
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fprintf(stderr, "%s\n", "speed.info file in ~/cmtypist/speed has grown too large, copy and save if you wish to preserve it\n");
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printf("\n:The speed.info file will be cleared, continue: [y/n]:");
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if(get_only_char()!='n'){
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get_user_name(user_name);
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if((fp = freopen("./speed/user_speed.info","w+", fp))==NULL){
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fprintf(stderr, "%s\n", "unable to reset speed.info file, alternatively run 'cmdtypist rest raw to fix this'\n");
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exit(EXIT_FAILURE);
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}
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rewind(fp);
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fputs(user_name,fp);
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fputc('\n',fp);
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rewind(fp);
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}
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}
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if(fclose(fp)){
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fprintf(stderr, "%s\n", "Fatal Error, Unable to close some files\n");
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exit(EXIT_FAILURE);
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}
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}
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/**
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* @param void
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* performs a test to make sure cmdtypist has been installed to home directory
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* installed? true: it changes the current directory the the home/cmdTypist directory
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* false: it gives a warning message with possible fixes and continues
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*/
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extern void redirect(void)
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{
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char idir[62] = "";
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if(getenv("HOME") != NULL)
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{
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strncpy(idir,getenv("HOME"), 50);
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strcat(idir, "/cmdTypist");//installation directory
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printf("%s\n", idir);
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}
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// exit(0);
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FILE *fp;
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//call script that verifies if program is installed to $home/cmdTypist
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char test_dir[60] = "";
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strncpy(test_dir, idir, 50);
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strcat(test_dir, "/files.h");
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if((fp=fopen(test_dir,"r")) == NULL)
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{
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fprintf(stderr, "%s\n", "Program not installed to $HOME/cmdTypist directory\n");
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fprintf(stderr, "\t- %s\n", "Navigate to cmdtypist directory manually, before running it\n");
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fprintf(stderr, "\t- %s\n", "OR uninstall and reinstall a fresh copy\n");
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return;
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}else{
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//system(idir); //navigate to installation directory
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//change directory
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if(chdir(idir) == -1){
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fprintf(stderr, "%s\n", "Error changing directory to $HOME/cmdTypist");
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exit(EXIT_FAILURE);
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}
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}
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if(fclose(fp)){
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fprintf(stderr, "%s\n", "Fatal Error, Unable to close some files\n");
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exit(EXIT_FAILURE);
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}
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} |