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Adding tab autocomplete feature #13

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Adding tab autocomplete feature #13

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b7fd338
adding tab autocomplete
SuchismitaDhal Oct 3, 2020
f3b7b84
adding tab autocomplete
SuchismitaDhal Oct 3, 2020
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28 changes: 21 additions & 7 deletions chell.c
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Original file line number Diff line number Diff line change
@@ -1,4 +1,6 @@
#include "chell.h"
#include <string.h>
#include <readline/readline.h>

int main()
{
Expand All @@ -16,12 +18,11 @@ int main()

while (1)
{
initPrompt();
//Command input
getline(&command, &size, stdin);
//Get prompt
char *promptString = initPrompt();

//Delete the newline
command[strlen(command)-1] = 0;
//Command input
command = readline(promptString);

//If not an empty command
if (strcmp(command, "") != 0)
Expand Down Expand Up @@ -81,7 +82,7 @@ struct executable *getFilesFromDirectories(char **dir, int numberOfDirectory)
return executables;
}

void initPrompt()
char *initPrompt()
{
//Get environment variables for the prompt
char *home = getenv("HOME");
Expand Down Expand Up @@ -120,7 +121,20 @@ void initPrompt()
else
prompt = '$';

printf("%s:%s%c ", user, pwd, prompt);
//printf("%s:%s%c ", user, pwd, prompt);
return createPromptString(user, pwd, prompt);
}

char *createPromptString(char *user, char *pwd, char prompt){
char *promptString = (char*)malloc(sizeof(char) * 100);
char p[5] = " "; p[0] = prompt;

strcpy(promptString, user);
strcat(promptString, ":");
strcat(promptString, pwd);
strcat(promptString, p);

return promptString;
}

int splitString(char *split[], char *string, char *delim)
Expand Down
3 changes: 2 additions & 1 deletion chell.h
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,8 @@ int nExecutables = 0;
struct executable *getFilesFromDirectories(char **dir, int numberOfDirectory);


void initPrompt();
char *initPrompt();
char *createPromptString(char*, char*, char);

int splitString(char *split[], char *string, char *delim);
int splitCommand(char *argv[], char *command);
Expand Down