91 lines
2.3 KiB
C
91 lines
2.3 KiB
C
#include "main.h"
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#include <stdlib.h>
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#include <unistd.h>
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/**
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* _printf - printf but worse
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* @format: format string
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* @...: ???
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* Return: characters written
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**/
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int _printf(const char *format, ...)
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{
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unsigned int buff_idx, fmt_idx, buff_size, printed;
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char *buffer; /*where non formated things are stored*/
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va_list args;
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va_start(args, format);
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buff_size = _strlen(format) - _contains(format, '%');
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buffer = (char *) malloc(buff_size); /* sized of the non % instances only*/
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if (!format && !buffer) /* No string. No laundry */
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return (0);
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buff_idx = fmt_idx = printed = 0; /*chain assignment*/
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while (*(format + fmt_idx))
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{
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if ((*(format + fmt_idx) == '%') && (*(format + fmt_idx + 1)))
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{
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if (buffer) /* printing and clearing buffer on formatted things */
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{
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printed += _puts(buffer);
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buff_size -= _strlen(buffer);
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buffer = _memset(buffer, 0);
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buffer = (char *) malloc(buff_size);
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if (!buffer)
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return (-1);
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buff_idx = 0;
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}
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printed += fmt(*(format + fmt_idx + 1), args);
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fmt_idx += 2;
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}
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else
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*(buffer + buff_idx++) = *(format + fmt_idx++); /* filling up buffer */
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}
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if (buffer)
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{
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printed += _puts(buffer);
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buffer = _memset(buffer, 0);
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free(buffer);
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}
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return (printed);
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}
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/**
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* fmt - format because its too chonky for printf
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* @c: format character (for now)
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* @args: the arguments to pop from
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* Return: bytes written to stdout
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*/
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int fmt(char c, va_list args)
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{
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switch (c) /*this needs to shrink*/
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{
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case 's':
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return (_puts(va_arg(args, char*)));
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case 'c':
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return (_putchar(va_arg(args, int)));
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case '%': /*add 1 byte*/
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return (_putchar('%'));
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case 'd':
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return (_puts(_itoa(va_arg(args, int), 10)));
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case 'i':
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return (_puts(_uitoa(va_arg(args, unsigned int), 10)));
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case 'u':
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return (_puts(_uitoa(va_arg(args, unsigned int), 10)));
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case 'b':
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return (_puts(_uitoa(va_arg(args, unsigned int), 2)));
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case 'o':
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return (_puts(_uitoa(va_arg(args, unsigned int), 8)));
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case 'x':
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return (_puts(_uitoa(va_arg(args, unsigned int), 16)));
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case 'X':
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return (_puts(str_up(_uitoa(va_arg(args, unsigned int), 16))));
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case 'p':
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return (_puts(_uitoa(va_arg(args, unsigned int), 16)));
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default:
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_putchar('%'); /* TODO make this cleaner */
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_putchar(c);
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return (2);
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}
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}
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