From 1b62e92bcc18762a8e4a2e9e4dc322705bfb7eec Mon Sep 17 00:00:00 2001
From: sanine <sanine.not@pm.me>
Date: Wed, 4 Jan 2023 19:12:53 -0600
Subject: add kai_text_to_longs()

---
 src/util/util.c      | 23 +++++++++++++++++++++--
 src/util/util.h      |  5 ++++-
 src/util/util.test.c | 37 +++++++++++++++++++++++++++++++++++++
 3 files changed, 62 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/util/util.c b/src/util/util.c
index d3e8742..05701c6 100644
--- a/src/util/util.c
+++ b/src/util/util.c
@@ -23,12 +23,12 @@ void *kai_expand_array(void **array, size_t *count, size_t element_size)
 }
 
 
-int kai_text_to_reals(ka_real_t *dest, const char *str, size_t count)
+size_t kai_text_to_reals(ka_real_t *dest, const char *str, size_t count)
 {
 	char *nptr = (char*) str;
 	char *end;
 
-	int result = count;
+	size_t result = count;
 
 	for (int i=0; i<count; i++) {
 		dest[i] = KA_STR_TO_REAL(nptr, &end);
@@ -40,3 +40,22 @@ int kai_text_to_reals(ka_real_t *dest, const char *str, size_t count)
 
 	return result;
 }
+
+
+size_t kai_text_to_longs(long *dest, const char *str, size_t count)
+{
+	char *nptr = (char*) str;
+	char *end;
+
+	size_t result = count;
+
+	for (int i=0; i<count; i++) {
+		dest[i] = strtol(nptr, &end, 10);
+		if (nptr == end) {
+			result -= 1;
+		}
+		nptr = end;
+	}
+
+	return result;
+}
diff --git a/src/util/util.h b/src/util/util.h
index d6cdd20..0b6bc15 100644
--- a/src/util/util.h
+++ b/src/util/util.h
@@ -29,6 +29,9 @@ void * kai_expand_array(void **array, size_t *len, size_t element_size);
  * in the string to convert, this is the same as `count`. If not, it is the number of
  * actual elements present in the string.
  */
-int kai_text_to_reals(ka_real_t *dest, const char *str, size_t count);
+size_t kai_text_to_reals(ka_real_t *dest, const char *str, size_t count);
+
+
+size_t kai_text_to_longs(long *dest, const char *str, size_t count);
 
 #endif
diff --git a/src/util/util.test.c b/src/util/util.test.c
index 26aa3d1..6288039 100644
--- a/src/util/util.test.c
+++ b/src/util/util.test.c
@@ -91,5 +91,42 @@ LILY_TEST("convert string to real array with fewer conversions than expected")
 #include LILY_PUSH_TEST()
 
 
+LILY_TEST("convert string to int array")
+{
+	/* the lucas numbers 4 u math fans out there */
+	const char *str = "2 1 3 4 7";
+	long array[5];
+	int conv = kai_text_to_longs(array, str, 5);
+
+	CHECK_EQ(conv, 5, "%d");
+
+	CHECK_EQ(array[0], 2, "%d");
+	CHECK_EQ(array[1], 1, "%d");
+	CHECK_EQ(array[2], 3, "%d");
+	CHECK_EQ(array[3], 4, "%d");
+	CHECK_EQ(array[4], 7, "%d");
+}
+#include LILY_PUSH_TEST()
+
+
+LILY_TEST("convert string to int array with fewer conversions than expected")
+{
+	const char *str = "2 1";
+	long array[5];
+	int conv = kai_text_to_longs(array, str, 5);
+
+	CHECK_EQ(conv, 2, "%d");
+
+	CHECK_EQ(array[0], 2, "%d");
+	CHECK_EQ(array[1], 1, "%d");
+	CHECK_EQ(array[2], 0, "%d");
+	CHECK_EQ(array[3], 0, "%d");
+	CHECK_EQ(array[4], 0, "%d");
+}
+#include LILY_PUSH_TEST()
+
+
+
+
 #define LILY_FILE_END
 #include LILY_REGISTER_TESTS()
-- 
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