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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <string.h>
  4. #include <ctype.h>
  5. #include <locale.h>
  6. #include <stdint.h>
  7. #include <assert.h>
  8. // separate words with only one space
  9. char *handle_whitespace(char *content)
  10. {
  11.    // to be removed later
  12.    setlocale(LC_ALL, "en_US.utf8");
  13.    int i, len = mbstowcs(NULL,content,0)+1;
  14.  
  15.    wchar_t unicode_content[len];
  16.    wchar_t *normalized_content = malloc(len * sizeof(wchar_t));
  17.  
  18.    // convert char to wchar_t
  19.    mbstowcs(unicode_content, content, len);
  20.  
  21.    short space_added = 0;
  22.  
  23.    int written=0;
  24.    for(i=0; unicode_content[i] ; ++i){
  25.        if(iswspace(unicode_content[i])){
  26. 	 if(!space_added) {
  27. 	   normalized_content[written] = L' ';
  28. 	   space_added = 1;
  29. 	   written++;
  30. 	 }
  31.        }else {	 
  32.          normalized_content[written] = unicode_content[i];
  33. 	 space_added = 0;
  34. 	 written++;
  35.        }
  36.  
  37.    }
  38.    normalized_content[written] = L'\0';
  39.  
  40.    // convert wchar_t back to char
  41.    int newlen = wcstombs(NULL, normalized_content, 0)+1;
  42.    char *newstr = malloc(newlen);
  43.    wcstombs(newstr,normalized_content,newlen);
  44.  
  45.    free(normalized_content);
  46.    return newstr;
  47. }
  48.  
  49.  
  50. int main(void) {
  51. 	char *h = handle_whitespace("hello          こんにちは             world      blah");
  52. 	printf("%s\n",h);
  53. 	return 0;
  54. }
  55.  
Success #stdin #stdout 0s 2140KB
comments (?)
stdin 
Standard input is empty
stdout 

	

		
	 
	
	
			

					
			
			
			
			
			
			
			
			

			
			
			
		

	
		
		

			


			                        
			
			

				

	
					
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language:

						
C (gcc 8.3)

					

					

						
created:
								
						
11 years ago

					

					

						
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