C - C++ Vergleich
C-Version:
char point_style[GP_CMD_SIZE];
char * token_pointer = strchr(plot_style, ' ');
int style_str_len;
if (token_pointer != NULL)
{
style_str_len = token_pointer - plot_style;
}
else
{
style_str_len = strlen(plot_style);
}
strncpy(point_style, plot_style, style_str_len);
point_style[style_str_len] = 0;
if (strcmp(point_style, "lines") &&
strcmp(point_style, "points") &&
strcmp(point_style, "linespoints") &&
strcmp(point_style, "impulses") &&
strcmp(point_style, "dots") &&
strcmp(point_style, "steps") &&
strcmp(point_style, "errorbars") &&
strcmp(point_style, "boxes") &&
strcmp(point_style, "boxerrorbars"))
{
fprintf(stderr, "warning: unknown requested style: using points\n") ;
strcpy(h->pstyle, "points") ;
} else {
strcpy(h->pstyle, plot_style) ;
}
C++ Version
string linestylestr = stylestr.substr(0, stylestr.find(" "));
if (linestylestr != "lines" &&
linestylestr != "points" &&
linestylestr != "linespoints" &&
linestylestr != "impulses" &&
linestylestr != "dots" &&
linestylestr != "steps" &&
linestylestr != "errorbars" &&
linestylestr != "boxes" &&
linestylestr != "boxerrorbars")
this->pstyle = string("points");
else
this->pstyle = stylestr;