save commit

minishell-codex/src/utils/split_utils.c

@@ -0,0 +1,67 @@
+#include "minishell.h"
+
+static size_t count_parts(const char *s, char delim)
+{
+	size_t count = 0;
+	int in = 0;
+	while (*s)
+	{
+		if (*s == delim)
+			in = 0;
+		else if (!in)
+		{
+			in = 1;
+			count++;
+		}
+		s++;
+	}
+	return count;
+}
+
+char **ms_split(const char *s, char delim)
+{
+	char **out;
+	size_t parts;
+	size_t i = 0;
+	size_t start = 0;
+	size_t len = 0;
+	int in = 0;
+
+	if (!s)
+		return NULL;
+	parts = count_parts(s, delim);
+	out = (char **)calloc(parts + 1, sizeof(char *));
+	if (!out)
+		return NULL;
+	while (s[i])
+	{
+		if (s[i] == delim)
+		{
+			if (in)
+			{
+				out[len++] = ms_strndup(s + start, i - start);
+				in = 0;
+			}
+		}
+		else if (!in)
+		{
+			in = 1;
+			start = i;
+		}
+		i++;
+	}
+	if (in)
+		out[len++] = ms_strndup(s + start, i - start);
+	out[len] = NULL;
+	return out;
+}
+
+void ms_free_split(char **sp)
+{
+	size_t i = 0;
+	if (!sp)
+		return;
+	while (sp[i])
+		free(sp[i++]);
+	free(sp);
+}