conditionals, returns, cleaner code

1 files changed, 63 insertions, 0 deletions

diff --git a/shelpers.c b/shelpers.c
new file mode 100644
index 0000000..0d2da24
--- /dev/null
+++ b/shelpers.c
@@ -0,0 +1,63 @@
+#include "shelpers.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+char *strclone(const char *s)
+{
+	char *clone = (char *)malloc(strlen(s) + 1);
+	strcpy(clone, s);
+	return clone;
+}
+
+char *strnclone(const char *s, uint32_t n)
+{
+	char *clone = (char *)malloc(n + 1);
+	strncpy(clone, s, n);
+	return clone;
+}
+
+uint8_t eol(int c)
+{
+	return c == '\n' || c == '\0';
+}
+
+uint8_t eot(int c)
+{
+	return eol(c) || c == ' ';
+}
+
+uint8_t eoe(int c)
+{
+	return eol(c) || c == ')';
+}
+
+uint32_t findend(const char *s, char o, char c)
+{
+	uint8_t indent = 0;
+	uint32_t i;
+	for (i = 1; !eol(s[i]); i++) {
+		if (s[i] == o) {
+			indent++;
+		} else if (s[i] == c) {
+			if (indent == 0)
+				break;
+			else
+				indent--;
+		}
+	}
+
+	return i;
+}
+
+void skipblank(const char *s, uint8_t (*cmp)(int), uint32_t *offset)
+{
+	uint32_t i = *offset;
+	while (!cmp(s[i])) {
+		if (s[i] != ' ' && s[i] != '\t')
+			break;
+		i++;
+	}
+	*offset = i;
+}
+