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  1. #include <stdio.h>
  2. #define BUFF_SIZE 1024
  3.  
  4. /*
  5.   改行は無視してそのまま読込を行うfgetsもどき。
  6.   引数や戻り値はfgetsと同じ。
  7.   改行文字は'\r'と'\n'の両方が対象。
  8. */
  9. char *fgets_without_nl(char *str, int size, FILE *stream);
  10.  
  11. int main(void) {
  12. 	char buff[BUFF_SIZE];
  13. 	fgets_without_nl(buff, BUFF_SIZE, stdin);
  14. 	printf("%s\n", buff);
  15. 	return 0;
  16. }
  17.  
  18. char *fgets_without_nl(char *str, int size, FILE *stream) {
  19. 	int c;
  20. 	char *b_str;
  21. 	char *e_str;
  22. 	b_str = str;
  23. 	e_str = str + size - 1;
  24. 	clearerr(stream);
  25. 	while ((c = getc(stream)) != EOF) {
  26. 		if (c != '\r' && c != '\n') {
  27. 			*str++ = c;
  28. 			if (str == e_str) {
  29. 				break;
  30. 			}
  31. 		}
  32.  
  33. 	}
  34. 	*str = '\0';
  35. 	if (str == b_str || ferror(stream)) {
  36. 		return NULL;
  37. 	} else {
  38. 		return b_str;
  39. 	}
  40. }
  41.  
Success #stdin #stdout 0s 2164KB
comments (?)
stdin
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GGGGG
CCCCC
AAAAA
TTTTT
stdout
copy 
GGGGGCCCCCAAAAATTTTT
https://ideone.com/RxCFTy
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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