printf/printf.c at master · Tame34/printf · 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
#include "main.h"

/**
 * _printf - selects the correct function to print based on the format.
 * @format: format specifier.
 * Return: the length of the printed string.
 */


ConversionSpecifier m[] = {
			   {"%s", printf_string}, {"%c", printf_char},
			   {"%i", printf_int}, {"%d", printf_dec}, {"%r", \
								    printf_strrev},
			   {"%R", printf_ROT13}, {"%b", printf_bin}, {"%u"\
								      , printf_unsigned},
			   {"%o", printf_oct}, {"%x", printf_hex}, {"%p", \
								    printf_pointer}
};


int _printf(const char *format, ...) {

  int len =0;
  int match_found = 0;
  int j = 0;
  int m_len;
  va_list pars;

  if (format == NULL || format[0] == '\0')
    return -1;


    va_start(pars, format);


  while (*format) {
    if (*format == '%') {
      format++;


      m_len = sizeof(m) / sizeof(m[0]);
      for (j = 0; j < m_len; j++) {
         }


      {
	if (format[0] == m[j].id[0] && format[1] == m[j].id[1]) {
	  len += m[j].f(pars);
	  format += 2;
	  match_found = 1;
	  break;
	}
      }

      if (!match_found) {
	_putchar('%');
	len++;
      }
    } else {
      _putchar(*format);
      len++;
    }

    format++;
  }

  va_end(pars);
  return len;
}


/**
 * Add the conversion specifier structure

int handle_percent_r(va_list pars) {

   * Implement the behavior for %r (e.g., print it as is)

putchar('%');
  putchar('r');
  return 2;

 }
*/