icu_is_nfc.c

icu_is_nfc.c

/*
 * 4.8 if the pkgconfig files are present:
 * gcc -g -o icu_is_nfc icu_is_nfc.c `pkg-config icu-uc --cflags --libs`
 *
 * Portable:
 * gcc -g -o icu_is_nfc icu_is_nfc.c `icu-config --cppflags-searchpath --ldflags-searchpath` -licuuc
 */
#include <stdio.h>

#include <unicode/unorm.h>

int
raptor_icu_is_nfc(const unsigned char* string, size_t len) 
{
   UNormalizationCheckResult res;
   UErrorCode error_code = U_ZERO_ERROR;
   
   res = unorm_quickCheck((const UChar *)string, (int32_t)len,
                          UNORM_NFC, &error_code);
   return U_SUCCESS(error_code) && (res == UNORM_YES);
 }

int
main (int argc, char *argv[]) 
{
  #define BUFLEN 3
  char buffer[BUFLEN + 1]="abc\0";
  int res;
  
  res = raptor_icu_is_nfc(buffer, BUFLEN);

  fprintf(stderr, "Result is %d\n", res);

  return(0);
}