-
Notifications
You must be signed in to change notification settings - Fork 0
/
specifier.c
executable file
·138 lines (128 loc) · 2.27 KB
/
specifier.c
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
#include "main.h"
/**
* get_specifier - finds the format func
* @s: the format string
*
* Return: the number of bytes printed
*/
int (*get_specifier(char *s))(va_list ap, params_t *params)
{
specifier_t specifiers[] = {
{"c", print_char},
{"d", print_int},
{"i", print_int},
{"s", print_string},
{"%", print_percent},
{"b", print_binary},
{"o", print_octal},
{"u", print_unsigned},
{"x", print_hex},
{"X", print_HEX},
{"p", print_address},
{"S", print_S},
{"r", print_rev},
{"R", print_rot13},
{NULL, NULL}
};
int i = 0;
while (specifiers[i].specifier)
{
if (*s == specifiers[i].specifier[0])
{
return (specifiers[i].f);
}
i++;
}
return (NULL);
}
/**
* get_print_func - finds the format func
* @s: the format string
* @ap: argument pointer
* @params: the parameters struct
*
* Return: the number of bytes printed
*/
int get_print_func(char *s, va_list ap, params_t *params)
{
int (*f)(va_list, params_t *) = get_specifier(s);
if (f)
return (f(ap, params));
return (0);
}
/**
* get_flag - finds the flag func
* @s: the format string
* @params: the parameters struct
*
* Return: if flag was valid
*/
int get_flag(char *s, params_t *params)
{
int i = 0;
switch (*s)
{
case '+':
i = params->plus_flag = 1;
break;
case ' ':
i = params->space_flag = 1;
break;
case '#':
i = params->hashtag_flag = 1;
break;
case '-':
i = params->minus_flag = 1;
break;
case '0':
i = params->zero_flag = 1;
break;
}
return (i);
}
/**
* get_modifier - finds the modifier func
* @s: the format string
* @params: the parameters struct
*
* Return: if modifier was valid
*/
int get_modifier(char *s, params_t *params)
{
int i = 0;
switch (*s)
{
case 'h':
i = params->h_modifier = 1;
break;
case 'l':
i = params->l_modifier = 1;
break;
}
return (i);
}
/**
* get_width - gets the width from the format string
* @s: the format string
* @params: the parameters struct
* @ap: the argument pointer
*
* Return: new pointer
*/
char *get_width(char *s, params_t *params, va_list ap)
/* should this function use char **s and modify the pointer? */
{
int d = 0;
if (*s == '*')
{
d = va_arg(ap, int);
s++;
}
else
{
while (_isdigit(*s))
d = d * 10 + (*s++ - '0');
}
params->width = d;
return (s);
}