72 lines
1.5 KiB
C
72 lines
1.5 KiB
C
#include "main.h"
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#include <stdarg.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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int buff_idx, fmt_idx; /* Indexes */
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unsigned int identifiers, 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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identifiers = _contains(format, '%'); /* instances of %s, %c etc */
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BUFF_SIZE = _strlen(format) - identifiers;
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buffer = malloc(BUFF_SIZE); /* sized of the non % instances only*/
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if (!buffer)
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return (-1);
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if (!format) /* No string. No laundry */
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return (0);
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buff_idx = fmt_idx = 0; /*chain assignment*/
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printed = 0; /*this alone due to diff type*/
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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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free(buffer);
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buffer = 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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switch (*(format + fmt_idx + 1)) /*this needs to shrink*/
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{
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case 's':
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printed += _puts(va_arg(args, char*));
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break;
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case 'c':
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printed += _putchar(va_arg(args, int));
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break;
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case '%': /*add 1 byte*/
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printed += _putchar('%');
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break;
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}
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fmt_idx += 2;
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}
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else
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{
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*(buffer + buff_idx) = *(format + fmt_idx); /* filling up buffer */
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buff_idx++;
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fmt_idx++;
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}
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}
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if (buffer)
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{
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_puts(buffer);
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free(buffer);
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}
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return (printed);
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}
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