Function feSprintf

resources/feResource.cc:653–700

* * feSprintf * *****************************************************************/

 *
 *****************************************************************/
static char* feSprintf(char* s, const char* fmt, int warn)
{
  char* s_in = s;
  if (fmt == NULL) return NULL;

  while (*fmt != '\0')
  {
    *s = *fmt;

    if (*fmt == '%' && *(fmt + 1) != '\0')
    {
      fmt++;
      char* r = feResource(*fmt, warn);
      if (r != NULL)
      {
        strcpy(s, r);
        s += strlen(r) - 1;
      }
      else
      {
        s++;
        *s = *fmt;
      }
    }
    else if (*fmt == '$' && *(fmt + 1) != '\0')
    {
      fmt++;
      char* v = s + 1;
      while (*fmt == '_' ||
             (*fmt >= 'A' && *fmt <= 'Z') ||
             (*fmt >= 'a' && *fmt <= 'z'))
      {
        *v = *fmt;
        v++;
        fmt++;
      }
      fmt--;
      *v = '\0';
      v = getenv(s + 1);
      if (v != NULL) strcpy(s, v);
      s += strlen(s) - 1;
    }
    s++;
    fmt++;
  }
  *s = '\0';
  return s_in;
}