simple_shell/str_funcs4.c at main · AnthonyArmour/simple_shell · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
#include "shell.h"

/**
 * script_check - checks if input is a script
 * @argc: argc
 * @argv: argv
 * @env: env
 * @my_lists: lists for env and aliases
 * @Cmd: Command
 * Return: void
 */

void script_check(int argc, char *argv[], char **env, my_ret my_lists
		  , char **Cmd)
{
	int fd;
	char *tmp = ": 0: Can't open ";

	(void)Cmd;
	if (argc == 2)
	{
		fd = open(argv[1], O_RDONLY);
		if (fd == -1)
		{
			write(STDERR_FILENO, argv[0], _strlen(argv[0]));
			write(STDERR_FILENO, tmp, _strlen(tmp));
			write(STDERR_FILENO, argv[1], _strlen(argv[1]));
			write(STDERR_FILENO, "\n", 1);
			exit(127);
		}
		my_lists = _script(fd, argv[0], env, my_lists);
		free_env(env, my_lists.free_env_list);
		free_list(my_lists.alias_List);
		exit(0);
	}
}

/**
 * comment_check - checks for command line comments
 * @buf: input string
 * Return: buf
 */

char *comment_check(char *buf)
{
	int x = 0, y = 0;

	if (buf[0] == '\n' && buf[1] == '\0')
	{
		free(buf);
		return (NULL);
	}
	for (x = _strlen(buf) - 1; x >= 0; x--)
	{
		if (buf[x - 1] != ' ' && buf[x - 1] != '\n')
		{
			buf[x] = '\n';
			break;
		}
		if (buf[x] == ' ' || buf[x] == '\n')
			buf[x] = '\0';
		if (x - 1 == 0 && (buf[x - 1] == ' ' || buf[x - 1] == '\n'))
		{
			free(buf);
			return (NULL);
		}
	}
	for (x = 0; buf[x] != '\0'; x++)
	{
		if (buf[x + 1] == '#')
		{
			buf[x] = '\n';
			buf[x + 1] = '\0';
			y = x;
			while (buf[y - 1] == ' ' || buf[y - 1] == '\\')
			{
				y--;
				if (buf[y] == '\\')
					buf[y] = ' ';
			}
			break;
		}
	}
	return (buf);
}
/**
 * cat_err2 - concats error message
 * @num: error number
 * @argv: argument
 * @var: special message
 * @token: token
 * Return: temp
 */

char *cat_err2(char *num, char *argv, char *var, char *token)
{
	int x = 0;
	char *temp = NULL, *col_space = ": ";

	temp = malloc(_strlen(argv) + 3);
	for (x = 0; argv[x]; x++)
		temp[x] = argv[x];
	temp[x] = '\0';
	_strcat(temp, col_space);

	temp = _realloc(temp, _strlen(temp) + 1,
			_strlen(temp) + _strlen(num) + 3);
	_strcat(temp, num);
	_strcat(temp, col_space);

	temp = _realloc(temp, _strlen(temp) + 1,
			_strlen(temp) + _strlen(var) + 3);
	_strcat(temp, var);
	_strcat(temp, col_space);

	temp = _realloc(temp, _strlen(temp) + 1,
			_strlen(temp) + _strlen(token) + 1);
	_strcat(temp, token);
	_strcat(temp, "\n");
	return (temp);
}

/**
 * quick_stat - stat check
 * @token: token
 * Return: stat
 */

int quick_stat(char *token)
{
	struct stat stats;
	int x = 0, sig = 0, len = _strlen(token) - 1;

	if (stat(token, &stats) == 0)
	{
		for (x = len; x >= 0; x--)
		{
			if (token[x] == '/' && token[x - 1] == '.')
				sig = 1;
		}
		if (token[0] == '/' && (token[1] == 'b'
				|| token[1] == 'u' || token[1] == 's'))
			sig = 1;
	}
	if (token[0] == '/' && (token[1] != 'b'
				&& token[1] != 'u' && token[1] != 's'))
		sig = 2;
	return (sig);
}