From 31965a48a64436ce2be47e7989201cd8f135b604 Mon Sep 17 00:00:00 2001
From: Jaewon Choi <jaewon.james.choi@gmail.com>
Date: Sun, 1 Oct 2017 20:08:21 +0900
Subject: [PATCH] Implements mysh_parse_command()
---
src/utils.c | 30 +++++++++++++++++++++++++++++-
1 file changed, 29 insertions(+), 1 deletion(-)
diff --git a/src/utils.c b/src/utils.c
index 619c771..1785ed8 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -1,7 +1,35 @@
#include "utils.h"
+#include <stdlib.h>
+#include <string.h>
+
void mysh_parse_command(const char* command,
int *argc, char*** argv)
{
- // TODO: Fill this!
+ const int kMaxArgc = 512;
+ *argv = (char**)malloc(kMaxArgc);
+
+ char buf[4096];
+ strcpy(buf, command);
+
+ char *tok = strtok(buf, " \n\t");
+
+ int ti = 0;
+
+ while (tok != NULL) {
+ (*argv)[ti] = (char*)malloc(strlen(tok));
+ strcpy((*argv)[ti], tok);
+
+ ++ti;
+
+ tok = strtok(NULL, " \n\t");
+ }
+
+ *argc = ti;
+
+ if (*argc == 0) {
+ *argc = 1;
+ (*argv)[0] = (char*)malloc(1);
+ (*argv)[0][0] = '\0';
+ }
}
--
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