sxiv/commands.h

#define FILENAME (const char*) 0x1

typedef struct {
	KeySym ksym;
	const char **cmdline;
	Bool reload;
} command_t;

static const char *cmdline_1[] = { "jpegtran", "-rotate", "270", "-copy", "all",
                                   "-outfile", FILENAME, FILENAME, NULL };
static const char *cmdline_2[] = { "jpegtran", "-rotate", "90", "-copy", "all",
                                   "-outfile", FILENAME, FILENAME, NULL };
static const char *cmdline_3[] = { "mogrify", "-rotate", "-90", FILENAME,
                                   NULL };
static const char *cmdline_4[] = { "mogrify", "-rotate", "+90", FILENAME,
                                   NULL };

static command_t commands[] = {
	/* key            command-line      reload? */
	{  XK_a,          cmdline_1,        True },
	{  XK_s,          cmdline_2,        True },
	{  XK_A,          cmdline_3,        True },
	{  XK_S,          cmdline_4,        True },
};