From a18d004be2217bd59c34ba5a3600f72de70c9419 Mon Sep 17 00:00:00 2001
From: sanine <sanine.not@pm.me>
Date: Thu, 5 Jan 2023 09:23:50 -0600
Subject: revert to pure C89

---
 CMakeLists.txt  |  2 +-
 src/util/util.c | 13 ++++++++-----
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index db233da..bf4279e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,7 +9,7 @@ target_include_directories(kalmia PUBLIC include 3rdparty 3rdparty/ezxml)
 if (UNIX)
 	set_target_properties(
 		kalmia PROPERTIES
-		C_STANDARD 99
+		C_STANDARD 90
 		CMAKE_C_FLAGS "-Wall -Wextra -Werror -Wfatal-errors -Wpedantic"
 	)
 endif()
diff --git a/src/util/util.c b/src/util/util.c
index 05701c6..00561b7 100644
--- a/src/util/util.c
+++ b/src/util/util.c
@@ -7,15 +7,16 @@ void *kai_expand_array(void **array, size_t *count, size_t element_size)
 {
 	size_t new_count = *count + 1;
 	size_t new_size = element_size * new_count;
-	/* cast to uint8_t so we can do pointer arithmetic */
-	uint8_t *new_array = realloc(*array, new_size);
+	/* cast to unsigned char so we can do pointer arithmetic */
+	unsigned char *new_array = realloc(*array, new_size);
 	if (new_array == NULL) {
 		fprintf(stderr, "[kalmia] ERROR: failed to add %ul bytes to %ul-byte array!\n", 
 			element_size, element_size * *count);
 		return NULL;
 	}
 
-	void *new_element = new_array + (*count * element_size);
+	size_t offset = (*count * element_size) / sizeof(unsigned char);
+	void *new_element = new_array + offset;
 
 	*array = new_array;
 	*count = new_count;
@@ -30,7 +31,8 @@ size_t kai_text_to_reals(ka_real_t *dest, const char *str, size_t count)
 
 	size_t result = count;
 
-	for (int i=0; i<count; i++) {
+	int i;
+	for (i=0; i<count; i++) {
 		dest[i] = KA_STR_TO_REAL(nptr, &end);
 		if (nptr == end) {
 			result -= 1;
@@ -49,7 +51,8 @@ size_t kai_text_to_longs(long *dest, const char *str, size_t count)
 
 	size_t result = count;
 
-	for (int i=0; i<count; i++) {
+	int i;
+	for (i=0; i<count; i++) {
 		dest[i] = strtol(nptr, &end, 10);
 		if (nptr == end) {
 			result -= 1;
-- 
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