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server/quote.c

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+//
+// Created by k0rb4k on 30/03/2021.
+//
+
+#include "quote.h"
+#include "config.h"
+
+void getRandomQuote(char quote[2048])
+{
+    int lineCount;
+    long line;
+
+    if ((lineCount = getFileLineCount(QUOTES_FILE)) == -1)
+    {
+        puts("file does not exist");
+        exit(-1);
+    }
+
+    line = rand() % lineCount;
+
+    getQuote(line, quote);
+}
+
+void getQuote(long line, char quote[2048])
+{
+    FILE *list;
+
+    list = fopen(QUOTES_FILE, "r");
+
+    /*skip lines*/
+    while (line > 0)
+    {
+        if (fgetc(list) == '\n')
+        {
+            line--;
+        }
+    }
+    fgets(quote, 2048, list);
+    quote[strlen(quote) - 1] = '\0';
+
+    fclose(list);
+}
+
+int getFileLineCount(char *filename)
+{
+    char c;
+    int lineCount = 0;
+    FILE *quotesFile = fopen(filename, "r");
+
+    if (quotesFile == NULL)
+    {
+        printf("no quote file found at \"%s\"\n", filename);
+        return -1;
+    }
+
+    while ((c = (char)fgetc(quotesFile)) != EOF)
+    {
+        if (c == '\n')
+        {
+            lineCount++;
+        }
+    }
+
+    fclose(quotesFile);
+
+    return lineCount;
+}