1 files changed, 106 insertions, 0 deletions
diff --git a/brainfuck.c b/brainfuck.c
new file mode 100644
index 0000000..cda6857
--- /dev/null
+++ b/brainfuck.c
@@ -0,0 +1,106 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#define MAX_DATA 30000
+typedef struct brainfuck{
+        char data[MAX_DATA];
+        char command[MAX_DATA];
+        char *ptr;
+        int count;
+        int pos;
+}bf;
+bf one;
+void init()
+{
+        char c;
+        memset(&one, 0, sizeof(one));
+        one.pos = 0;
+        one.count = 0;
+        one.ptr = one.data;
+        while (c = getchar())
+        {
+                if (c == '\n')
+                        break;
+                else
+                {
+                        one.command[++one.count] = c;
+                }
+        }
+        one.command[one.count] = '\0';
+}
+void run()
+{
+        char c;
+        int i;
+        while (c = one.command[++one.pos])
+        {
+                switch (c)
+                {
+                case '+':
+                        (*one.ptr)++;
+                        break;
+                case '-':
+                        (*one.ptr)--;
+                        break;
+                case '>':
+                        one.ptr++;
+                        break;
+                case '<':
+                        one.ptr--;
+                        break;
+                case ',':
+                        *one.ptr = getchar();
+                        break;
+                case '.':
+                        putchar(*one.ptr);
+                        break;
+                case '[':
+                        if (*one.ptr != 0)
+                                break;
+                        else
+                        {
+                                for (i = one.pos + 1; i <= one.count; i++)
+                                {
+                                        if (one.command[i] == ']')
+                                        {
+                                                one.pos = i;
+                                                break;
+                                        }
+                                }
+                        }
+                        break;
+                case ']':
+                        if (*one.ptr == 0)
+                                break;
+                        else
+                        {
+                                for (i = one.pos - 1; i >= 1; i--)
+                                {
+                                        if (one.command[i] == '[')
+                                        {
+                                                one.pos = i;
+                                                break;
+                                        }
+                                }
+                        }
+                        break;
+                }
+        }
+}
+int main(int argc, char **argv)
+{
+        if (argc > 1) {
+                freopen(argv[1], "r", stdin);
+        }
+        init();
+        run();
+        return 0;
+}
+\ No newline at end of file

diff --git a/brainfuck.c b/brainfuck.c new file mode 100644 index 0000000..cda6857 --- /dev/null +++ b/brainfuck.c
@@ -0,0 +1,106 @@
	1	#include <stdio.h>
	2	#include <stdlib.h>
	3	#include <string.h>
	4
	5	#define MAX_DATA 30000
	6
	7	typedef struct brainfuck{
	8	char data[MAX_DATA];
	9	char command[MAX_DATA];
	10	char *ptr;
	11	int count;
	12	int pos;
	13	}bf;
	14
	15	bf one;
	16
	17	void init()
	18	{
	19	char c;
	20	memset(&one, 0, sizeof(one));
	21	one.pos = 0;
	22	one.count = 0;
	23	one.ptr = one.data;
	24
	25	while (c = getchar())
	26	{
	27	if (c == '\n')
	28	break;
	29	else
	30	{
	31	one.command[++one.count] = c;
	32	}
	33	}
	34	one.command[one.count] = '\0';
	35	}
	36
	37	void run()
	38	{
	39	char c;
	40	int i;
	41
	42	while (c = one.command[++one.pos])
	43	{
	44	switch (c)
	45	{
	46	case '+':
	47	(*one.ptr)++;
	48	break;
	49	case '-':
	50	(*one.ptr)--;
	51	break;
	52	case '>':
	53	one.ptr++;
	54	break;
	55	case '<':
	56	one.ptr--;
	57	break;
	58	case ',':
	59	*one.ptr = getchar();
	60	break;
	61	case '.':
	62	putchar(*one.ptr);
	63	break;
	64	case '[':
	65	if (*one.ptr != 0)
	66	break;
	67	else
	68	{
	69	for (i = one.pos + 1; i <= one.count; i++)
	70	{
	71	if (one.command[i] == ']')
	72	{
	73	one.pos = i;
	74	break;
	75	}
	76	}
	77	}
	78	break;
	79	case ']':
	80	if (*one.ptr == 0)
	81	break;
	82	else
	83	{
	84	for (i = one.pos - 1; i >= 1; i--)
	85	{
	86	if (one.command[i] == '[')
	87	{
	88	one.pos = i;
	89	break;
	90	}
	91	}
	92	}
	93	break;
	94	}
	95	}
	96	}
	97
	98	int main(int argc, char **argv)
	99	{
	100	if (argc > 1) {
	101	freopen(argv[1], "r", stdin);
	102	}
	103	init();
	104	run();
	105	return 0;
	106	} \ No newline at end of file