generated from freudenreichan/info2Praktikum-Wortsalat
42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
#include "input.h"
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#include <string.h>
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#include <ctype.h>
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// TODO:
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// eine Funktion implementieren, die ein einzelnes Wort aus einer Textdatei (words.txt) einliest und als C-String zurückgibt.
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static void trim_and_toupper(char*dest, const char*src, int max_len) {
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int len = strlen(src);
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int start = 0, end = len-1;
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while (start < len && isspace((unsigned char)src[start])) {
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start++;
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}
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while (end >= start && isspace((unsigned char)src[end])) {
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end--;
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}
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int i;
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for (i = 0; i <= (end - start)&& i <(max_len-1) ; i++) {
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dest[i] = toupper((unsigned char)src[start+i]);
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}
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dest[i] = '\0';
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}
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// Read words from file and store in 'words' array
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int readWords(FILE *file, char words[][MAX_WORD_LEN], unsigned int maxWordCount) {
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unsigned int count = 0;
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char line_buffer[MAX_LINE_LEN];
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const char* DELIMITERS=",:\n";
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while (count < maxWordCount && fgets(line_buffer, MAX_LINE_LEN, file)!= NULL) {
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char* token = strtok(line_buffer, DELIMITERS);
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while (token != NULL && count < maxWordCount) {
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trim_and_toupper(words[count], token, MAX_WORD_LEN);
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if (words[count][0] !='\n'){
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count++;
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}
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token = strtok(NULL, DELIMITERS);
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}
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}
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return count;
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} |