Fix up smaller notational and type aspects for constants

Signed-off-by: Laslo Hunhold <dev@frign.de>

gen/util.c

diff --git a/gen/util.c b/gen/util.c
index 012b04a..8f37bfd 100644
--- a/gen/util.c
+++ b/gen/util.c
@@ -76,7 +76,7 @@
 		       (uint_least32_t)(str[i] - relative + off);
 	}
 
-	if (*cp > 0x10ffff) {
+	if (*cp > UINT32_C(0x10FFFF)) {
 		fprintf(stderr, "hextocp: '%.*s' is too large.\n",
 		        (int)len, str);
 		return 1;
@@ -251,14 +251,14 @@
 	uint_least32_t cp, i;
 
 	/* initialization */
-	if (!(comp->offset = malloc((size_t)0x110000 * sizeof(*(comp->offset))))) {
+	if (!(comp->offset = malloc((size_t)UINT32_C(0x110000) * sizeof(*(comp->offset))))) {
 		fprintf(stderr, "malloc: %s\n", strerror(errno));
 		exit(1);
 	}
 	comp->data = NULL;
 	comp->datalen = 0;
 
-	for (cp = 0; cp < 0x110000; cp++) {
+	for (cp = 0; cp < UINT32_C(0x110000); cp++) {
 		for (i = 0; i < comp->datalen; i++) {
 			if (!memcmp(&(prop[cp]), &(comp->data[i]), sizeof(*prop))) {
 				/* found a match! */

src/case.c

diff --git a/src/case.c b/src/case.c
index ac24f71..4d289fd 100644
--- a/src/case.c
+++ b/src/case.c
@@ -9,9 +9,9 @@
 static inline enum case_property
 get_case_property(uint_least32_t cp)
 {
-	if (likely(cp <= 0x10FFFF)) {
+	if (likely(cp <= UINT32_C(0x10FFFF))) {
 		return (enum case_property)
-		       case_minor[case_major[cp >> 8] + (cp & 0xff)];
+		       case_minor[case_major[cp >> 8] + (cp & 0xFF)];
 	} else {
 		return CASE_PROP_OTHER;
 	}
@@ -21,13 +21,13 @@
 get_case_offset(uint_least32_t cp, const uint_least16_t *major,
                 const int_least32_t *minor)
 {
-	if (likely(cp <= 0x10FFFF)) {
+	if (likely(cp <= UINT32_C(0x10FFFF))) {
 		/*
 		 * this value might be larger than or equal to 0x110000
 		 * for the special-case-mapping. This needs to be handled
 		 * separately
 		 */
-		return minor[major[cp >> 8] + (cp & 0xff)];
+		return minor[major[cp >> 8] + (cp & 0xFF)];
 	} else {
 		return 0;
 	}

src/character.c

diff --git a/src/character.c b/src/character.c
index 7bcc72f..33d2162 100644
--- a/src/character.c
+++ b/src/character.c
@@ -111,7 +111,7 @@
 static inline enum char_break_property
 get_break_prop(uint_least32_t cp)
 {
-	if (likely(cp <= 0x10FFFF)) {
+	if (likely(cp <= UINT32_C(0x10FFFF))) {
 		return (enum char_break_property)
 		       char_break_minor[char_break_major[cp >> 8] + (cp & 0xFF)];
 	} else {

src/line.c

diff --git a/src/line.c b/src/line.c
index e010cb3..233e80c 100644
--- a/src/line.c
+++ b/src/line.c
@@ -9,7 +9,7 @@
 static inline enum line_break_property
 get_break_prop(uint_least32_t cp)
 {
-	if (likely(cp <= 0x10FFFF)) {
+	if (likely(cp <= UINT32_C(0x10FFFF))) {
 		return (enum line_break_property)
 		       line_break_minor[line_break_major[cp >> 8] + (cp & 0xff)];
 	} else {

src/sentence.c

diff --git a/src/sentence.c b/src/sentence.c
index 88c21de..8a242c0 100644
--- a/src/sentence.c
+++ b/src/sentence.c
@@ -15,7 +15,7 @@
 static inline uint_least8_t
 get_sentence_break_prop(uint_least32_t cp)
 {
-	if (likely(cp <= 0x10FFFF)) {
+	if (likely(cp <= UINT32_C(0x10FFFF))) {
 		return (uint_least8_t)
 		       sentence_break_minor[sentence_break_major[cp >> 8] +
 		       (cp & 0xff)];