structix/hangman
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Detect if the input file cannot be opened

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This commit is contained in:
Daniel Eisele
2017-08-24 00:50:41 +02:00
parent 8dac365357
commit 6ad0f0d0b8
2 changed files with 14 additions and 7 deletions
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19
hangman.c
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@@ -135,14 +135,13 @@ void initGuessWord(game_state *gs, char *filename) {
int i; int i;
mvprintw(0, 1, "Please enter your word: "); mvprintw(0, 1, "Please enter your word: ");
if (strlen(gs->guessWord) == 0) { /* Word can be set by arguments */ if (strlen(gs->guessWord) == 0) { /* Word can be set by arguments */
if (strlen(filename) == 0) { /* If a file argument was specified then try to read a random line from the file,
if this is not successful or if there is no file argument use the manual input. */
if (strlen(filename) == 0 || readRandomLine(filename, gs->guessWord) != 0) { // readRandomLine is only excecuted when strlen(filename) != 0
/* Manual input */ /* Manual input */
curs_set(1); curs_set(1);
getnstr(gs->guessWord, MAXWORDLENGTH - 1); /* Reads the guessWord with a limit */ getnstr(gs->guessWord, MAXWORDLENGTH - 1); /* Reads the guessWord with a limit */
curs_set(0); curs_set(0);
} else {
/* Random line from file */
readRandomLine(filename, gs->guessWord);
} }
} }
@@ -366,10 +365,16 @@ int centerDiff(int coordinate, char *str) {
return coordinate - (len / 2); /* Integer division */ return coordinate - (len / 2); /* Integer division */
} }
void readRandomLine(char *file, char *result) { int readRandomLine(char *file, char *result) {
FILE *fp = fopen(file, "r"); FILE *fp;
int count = 0, wordlength = 0; int count = 0, wordlength = 0;
char line[MAXWORDLENGTH]; char line[MAXWORDLENGTH];
fp = fopen(file, "r");
if (fp == NULL) {
return 1;
}
srand(time(NULL)); srand(time(NULL));
while (fgets(line, MAXWORDLENGTH, fp) != NULL) { while (fgets(line, MAXWORDLENGTH, fp) != NULL) {
count++; count++;
@@ -381,6 +386,8 @@ void readRandomLine(char *file, char *result) {
wordlength = strlen(result); wordlength = strlen(result);
result[wordlength - 1] = '\0'; result[wordlength - 1] = '\0';
fclose(fp); fclose(fp);
return 0;
} }
void trollHitScreen(game_state *gs, hitfeed *hf, int hits) { void trollHitScreen(game_state *gs, hitfeed *hf, int hits) {

2
hangman.h
View File

@@ -62,7 +62,7 @@ void showStartScreen(game_state *gs);
void startGame(game_state *gs, hitfeed *hf); void startGame(game_state *gs, hitfeed *hf);
void showHelp(game_state *gs); void showHelp(game_state *gs);
int centerDiff(int coordinate, char *str); int centerDiff(int coordinate, char *str);
void readRandomLine(char *file, char *result); int readRandomLine(char *file, char *result);
void trollHitScreen(game_state *gs, hitfeed *hf, int hits); void trollHitScreen(game_state *gs, hitfeed *hf, int hits);
void addHitToFeed(hitfeed *hf, char *streak, int hit); void addHitToFeed(hitfeed *hf, char *streak, int hit);
void trollHandleImpressive(hitfeed *hf, game_state *gs, int hits); void trollHandleImpressive(hitfeed *hf, game_state *gs, int hits);