A bit more constified

Makefile

@@ -22,7 +22,7 @@ r0d: r0d.o
 	${CC} ${CFLAGS} r0d.o -o r0d
 
 r0.js:
-	emcc -DUSE_DISASM_X32=1 -Os -o r0.js r0.c
+	emcc -s FORCE_FILESYSTEM=1 -lnodefs.js -s EXPORTED_FUNCTIONS='["_r0_open", "_r0_cmd"]' -DUSE_DISASM_X32=1 -Os -o r0.js r0.c
 
 r0.arm:
 	$(CC) -DUSE_DISASM_ARM=1 r0.c -o r0.arm

cmd.c

@@ -21,7 +21,7 @@
 #endif
 
 
-static int cmd_hexdump(char *arg) {
+static int cmd_hexdump(const char *arg) {
 	int len = bsize;
 	ut8 *buf = getcurblk(arg, &len);
 	if(buf && len>0) {
@@ -32,7 +32,7 @@ static int cmd_hexdump(char *arg) {
 	return 2;
 }
 
-static int cmd_print(char *arg) {
+static int cmd_print(const char *arg) {
 	ut8 *buf;
 	int len = bsize;
 	if(*arg) {
@@ -49,7 +49,7 @@ static int cmd_print(char *arg) {
 	return 1;
 }
 
-static int cmd_system(char *arg) {
+static int cmd_system(const char *arg) {
 	int len = bsize;
 	char str[1024];
 	ut8 *buf;
@@ -162,7 +162,7 @@ static int cmd_search(const char *arg) {
 	return 1;
 }
 
-static int cmd_bsize(char *arg) {
+static int cmd_bsize(const char *arg) {
 	if(!*arg) printf("%d\n", bsize);
 	else if(*arg=='+') bsize += (int)calc(arg+1);
 	else if(*arg=='-') bsize -= (int)calc(arg+1);
@@ -172,7 +172,7 @@ static int cmd_bsize(char *arg) {
 	return 1;
 }
 
-static int cmd_seek(char *arg) {
+static int cmd_seek(const char *arg) {
 	if(!*arg) printf("%"LLF"d\n", curseek);
 	else if(*arg=='+') curseek += calc(arg+1);
 	else if(*arg=='-') curseek -= calc(arg+1);
@@ -181,7 +181,7 @@ static int cmd_seek(char *arg) {
 	return 1;
 }
 
-static int cmd_dump(char *file) {
+static int cmd_dump(const char *file) {
 	int len = bsize;
 	ut8 *buf = getcurblk("", &len);
 	if(len<1 || buf) {
@@ -200,7 +200,7 @@ static int cmd_dump(char *file) {
 	return 1;
 }
 
-static int cmd_load(char *file) {
+static int cmd_load(const char *file) {
 	FILE *fd = fopen(file, "rb");
 	if(fd) {
 		void *buf = malloc(bsize);
@@ -246,7 +246,7 @@ static int cmd_write(const char *arg) {
 	return 1;
 }
 
-static int cmd_help(char *arg) {
+static int cmd_help(const char *arg) {
 	if(*arg) {
 		ut64 ret = r_num_calc (NULL, arg, NULL);
 		printf("0x%"LLF"x %"LLF"d 0%"LLF"o\n", ret, ret, ret);
@@ -270,7 +270,7 @@ static int cmd_help(char *arg) {
 	return 1;
 }
 
-static int cmd_resize(char *arg) {
+static int cmd_resize(const char *arg) {
 	ut8 *buf;
 	ut64 tail, n;
 	int i, len, ret = 0;

r0.c

@@ -11,7 +11,7 @@ static int cmdn = 0;
 static char **cmds = 0;
 static ut64 oldseek, curseek = 0LL;
 static int obsize, bsize = 256;
-static int r0_cmd(char *cmd); // XXX : recursive depenency
+int r0_cmd(const char *cmd); // XXX : recursive depenency
 #if defined(__WATCOMC__)
 #define HAVE_FTRUNCATE 0
 #define BUFSZ 1024
@@ -50,8 +50,8 @@ static int r0_interpret(const char *file) {
 	return 1;
 }
 
-static int r0_cmd(char *cmd) {
-	char *arg = cmd+1;
+int r0_cmd(const char *cmd) {
+	const char *arg = cmd+1;
 	SKIPSPACES(arg);
 	switch(*cmd) {
 	case 'q': return 0;
@@ -104,7 +104,7 @@ static int r0_prompt() {
 	return r0_cmd(at);
 }
 
-static int r0_open(const char *file) {
+int r0_open(const char *file) {
 	int ret = io_open(file);
 	if(ret != -1) {
 		oldseek = 0;

util.c

@@ -18,9 +18,9 @@ static inline void hexdump(const ut8 *buf, unsigned int len, int w) {
 }
 
 #define u(x) ((unsigned long)(x&0xff))
-static void print_fmt(const ut8 *buf, char *fmt, unsigned int len) {
+static void print_fmt(const ut8 *buf, const char *fmt, unsigned int len) {
 	unsigned int i, up, inc = 0, lup = 0, rep = 0;
-	char *ofmt = fmt;
+	const char *ofmt = fmt;
 	do { /* TODO: needs cleanup */
 		for(;(*fmt||rep);fmt++) {
 			up = rep?rep:*fmt;