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Indentation avec tabulations
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df2524f1fc
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@ -7,58 +7,58 @@
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/* Necessary global variables */
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char * builtinCommandsStr[] = {
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"cd",
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"help",
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"exit"
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"cd",
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"help",
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"exit"
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};
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builtinCommand *builtinCommands[] = {
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&fishCd,
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&fishHelp,
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&fishExit
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&fishCd,
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&fishHelp,
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&fishExit
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};
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char ** getBuiltinCommandsStr(){
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return builtinCommandsStr;
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return builtinCommandsStr;
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}
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builtinCommand **getBuiltinCommands(){
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return builtinCommands;
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return builtinCommands;
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}
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int fishCd(WordArray *args) {
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if (args->size < 2){
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fprintf(stderr, "fish: Où sont les arguments de ta commande \"cd\" connard ?!\n");
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} else {
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if (chdir(args->words[1]) != 0){
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perror("fish");
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}
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}
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return 1;
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if (args->size < 2){
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fprintf(stderr, "fish: Où sont les arguments de ta commande \"cd\" connard ?!\n");
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} else {
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if (chdir(args->words[1]) != 0){
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perror("fish");
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}
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}
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return 1;
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}
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int fishHelp(WordArray *args) {
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int i;
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printf("Bartuccio Antoine, Amalvy Arthur, Yann Chevanton\n");
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printf("Tape tes putains de noms de programmes et tes arguments de merde et tabasse ENTER !\n");
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printf("Les commandes suivantes sont internes :\nls");
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for (i=0; i < getNbBuiltins(); i++){
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printf("\t%s\n", builtinCommandsStr[i]);
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}
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printf("Et sinon pour le reste, RTFM !");
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if (args->size > 0)
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return 1;
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return 1;
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int i;
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printf("Bartuccio Antoine, Amalvy Arthur, Yann Chevanton\n");
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printf("Tape tes putains de noms de programmes et tes arguments de merde et tabasse ENTER !\n");
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printf("Les commandes suivantes sont internes :\nls");
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for (i=0; i < getNbBuiltins(); i++){
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printf("\t%s\n", builtinCommandsStr[i]);
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}
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printf("Et sinon pour le reste, RTFM !");
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if (args->size > 0)
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return 1;
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return 1;
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}
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int fishExit(WordArray *args) {
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if (args->size != 1)
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return 1;
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else
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return 0;
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if (args->size != 1)
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return 1;
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else
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return 0;
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}
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int getNbBuiltins() {
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return sizeof(builtinCommandsStr) / sizeof(char*);
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return sizeof(builtinCommandsStr) / sizeof(char*);
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}
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@ -12,172 +12,172 @@
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#define FISH_TOKENS " \t\r\n\a"
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void fishLoop(Settings * settings){
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char * line = NULL;
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WordArray * splited = NULL;
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int status = 1;
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char * line = NULL;
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WordArray * splited = NULL;
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int status = 1;
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do {
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printf("%s", settings->PS1);
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line = fishReadLine();
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line = fishExpand(line);
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do {
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printf("%s", settings->PS1);
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line = fishReadLine();
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line = fishExpand(line);
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splited = split(line, FISH_TOKENS);
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splited = split(line, FISH_TOKENS);
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status = fishExecute(splited);
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status = fishExecute(splited);
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freeWordArray(splited);
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free(line);
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} while(status);
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freeWordArray(splited);
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free(line);
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} while(status);
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}
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int countSeparators(char *string, char *separators) {
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int nb = 0;
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int i = 0;
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int k = 0;
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while (string[i] != '\0'){
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while (separators[k] != '\0'){
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if (string[i] == separators[k]){
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nb++;
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}
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k++;
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}
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i++;
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k = 0;
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}
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return nb;
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int nb = 0;
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int i = 0;
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int k = 0;
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while (string[i] != '\0'){
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while (separators[k] != '\0'){
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if (string[i] == separators[k]){
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nb++;
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}
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k++;
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}
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i++;
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k = 0;
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}
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return nb;
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}
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WordArray * split(char *string, char *separator){
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int array_size = countSeparators(string, separator) + 1;
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WordArray *tokens = (WordArray*) malloc(sizeof(WordArray));
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char *to_delete = strdup(string);
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char *token = NULL;
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int i = 0;
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int array_size = countSeparators(string, separator) + 1;
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WordArray *tokens = (WordArray*) malloc(sizeof(WordArray));
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char *to_delete = strdup(string);
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char *token = NULL;
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int i = 0;
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if (tokens != NULL){
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tokens->words = (char **) malloc(sizeof(char*) * (array_size + 1));
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tokens->words[array_size] = NULL;
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tokens->size = array_size;
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}
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if (tokens != NULL){
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tokens->words = (char **) malloc(sizeof(char*) * (array_size + 1));
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tokens->words[array_size] = NULL;
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tokens->size = array_size;
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}
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if (tokens == NULL || to_delete == NULL || tokens->words == NULL){
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fprintf(stderr, "fish: Error allocating fucking pointer !");
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exit(EXIT_FAILURE);
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}
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if (tokens == NULL || to_delete == NULL || tokens->words == NULL){
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fprintf(stderr, "fish: Error allocating fucking pointer !");
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exit(EXIT_FAILURE);
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}
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while((token = strsep(&to_delete, separator)) != NULL){
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tokens->words[i] = strdup(token);
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i++;
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}
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while((token = strsep(&to_delete, separator)) != NULL){
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tokens->words[i] = strdup(token);
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i++;
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}
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free(to_delete);
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free(to_delete);
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return tokens;
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return tokens;
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}
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void freeWordArray(WordArray *array) {
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int i;
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if (array != NULL) {
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for (i = 0; i < array->size; i++) {
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free(array->words[i]);
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}
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free(array);
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}
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int i;
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if (array != NULL) {
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for (i = 0; i < array->size; i++) {
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free(array->words[i]);
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}
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free(array);
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}
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}
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char *fishReadLine() {
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size_t bufferSize = FISH_BUFFER_SIZE;
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int position = 0;
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char *line = malloc(sizeof(char*) * bufferSize);
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int c;
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size_t bufferSize = FISH_BUFFER_SIZE;
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int position = 0;
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char *line = malloc(sizeof(char*) * bufferSize);
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int c;
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if (line == NULL){
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fprintf(stderr, "fish: Error allocating fucking buffer shit !");
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exit(EXIT_FAILURE);
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}
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if (line == NULL){
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fprintf(stderr, "fish: Error allocating fucking buffer shit !");
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exit(EXIT_FAILURE);
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}
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while (1){
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c = getchar();
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while (1){
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c = getchar();
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switch (c){
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case '\n':
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line[position] = '\0';
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return line;
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case EOF:
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exit(EXIT_SUCCESS);
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default:
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line[position] = (char) c;
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}
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switch (c){
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case '\n':
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line[position] = '\0';
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return line;
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case EOF:
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exit(EXIT_SUCCESS);
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default:
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line[position] = (char) c;
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}
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position++;
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position++;
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if ((size_t) position > bufferSize){
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bufferSize+=bufferSize;
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line = realloc(line, bufferSize);
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if (line == NULL){
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fprintf(stderr, "fish: Error allocating fucking buffer shit !");
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exit(EXIT_FAILURE);
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}
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}
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}
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if ((size_t) position > bufferSize){
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bufferSize+=bufferSize;
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line = realloc(line, bufferSize);
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if (line == NULL){
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fprintf(stderr, "fish: Error allocating fucking buffer shit !");
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exit(EXIT_FAILURE);
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}
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}
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}
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return NULL;
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return NULL;
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}
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char *fishExpand(char *line) {
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return line;
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return line;
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}
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Settings *getSettings() {
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Settings *s = (Settings*) malloc(sizeof(Settings));
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if (s == NULL){
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fprintf(stderr, "fish: Error allocating fucking settings");
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exit(EXIT_FAILURE);
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}
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s->PS1 = strdup("\n~>");
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Settings *s = (Settings*) malloc(sizeof(Settings));
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if (s == NULL){
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fprintf(stderr, "fish: Error allocating fucking settings");
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exit(EXIT_FAILURE);
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}
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s->PS1 = strdup("\n~>");
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return s;
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return s;
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}
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int fishLoad(WordArray *array) {
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pid_t pid;
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int status;
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pid_t pid;
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int status;
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pid = fork();
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if (pid == 0){
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/* Executes only in the child process */
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if (execvp(array->words[0], array->words) == -1){
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/* Error during system call */
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perror("fish");
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}
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exit(EXIT_FAILURE);
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} else if (pid < 0){
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/* Fork failed */
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perror("fish");
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} else {
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/* Handle parent process */
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pid = fork();
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if (pid == 0){
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/* Executes only in the child process */
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if (execvp(array->words[0], array->words) == -1){
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/* Error during system call */
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perror("fish");
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}
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exit(EXIT_FAILURE);
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} else if (pid < 0){
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/* Fork failed */
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perror("fish");
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} else {
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/* Handle parent process */
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/* Wait for the child process to finish */
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do {
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waitpid(pid, &status, WUNTRACED);
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} while (!WIFEXITED(status) && !WIFSIGNALED(status));
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}
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/* Wait for the child process to finish */
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do {
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waitpid(pid, &status, WUNTRACED);
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} while (!WIFEXITED(status) && !WIFSIGNALED(status));
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}
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return 1;
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return 1;
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}
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int fishExecute(WordArray *array) {
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int i;
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if (array->size < 0)
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return 1;
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int i;
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if (array->size < 0)
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return 1;
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for (i=0; i < getNbBuiltins(); i++){
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if (!strcmp(array->words[0], getBuiltinCommandsStr()[i])){
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return getBuiltinCommands()[i](array);
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}
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}
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for (i=0; i < getNbBuiltins(); i++){
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if (!strcmp(array->words[0], getBuiltinCommandsStr()[i])){
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return getBuiltinCommands()[i](array);
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}
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}
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return fishLoad(array);
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return fishLoad(array);
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}
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@ -8,12 +8,12 @@
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/* Custom types */
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typedef struct {
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char ** words;
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int size;
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char ** words;
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int size;
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} WordArray;
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typedef struct {
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char *PS1;
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char *PS1;
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} Settings;
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10
main.c
10
main.c
@ -1,9 +1,13 @@
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#include <stdlib.h>
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#include "fish_shell/fish_core.h"
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#include "fish_shell/fish_types.h"
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int main() {
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/* todo load config file */
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fishLoop(getSettings());
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/* todo load config file */
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Settings *s = getSettings();
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fishLoop(s);
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free(s->PS1);
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free(s);
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return EXIT_SUCCESS;
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return EXIT_SUCCESS;
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}
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