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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_printf.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/10/29 00:15:28 by cacharle #+# #+# */
/* Updated: 2019/11/13 08:56:49 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
#include "header.h"
int ft_printf(const char *format, ...)
{
t_printf_status status;
if (format == NULL)
return (STATUS_ERROR);
if (!parse(format, &status.flist))
return (STATUS_ERROR);
va_start(status.ap, format);
status.format = format;
status.out = NULL;
status.out_size = 0;
while (*status.format)
{
if (*status.format == '%'
&& (status.format =
add_conversion(&status, status.flist->content)) == NULL)
return (destroy_status_error(&status));
else if ((status.format = add_between(&status)) == NULL)
return (destroy_status_error(&status));
}
va_end(status.ap);
list_destroy(&status.flist);
write(STDOUT_FILENO, status.out, status.out_size);
free(status.out);
return (status.out_size);
}
const char *add_conversion(t_printf_status *status, t_pformat *pformat)
{
char *conversion_str;
conversion_str = convert(pformat, status->ap);
if (pformat->specifier == 'n')
{
if (pformat->written != NULL)
*pformat->written = status->out_size;
status->format += pformat->fmt_len;
list_pop_front(&status->flist);
return (status->format + 1);
}
if (conversion_str == NULL)
return (NULL);
if (pformat->specifier != 'c')
pformat->size = ft_strlen(conversion_str);
if ((status->out = ft_memjoin_free(status->out, status->out_size,
conversion_str, pformat->size)) == NULL)
return (NULL);
status->out_size += pformat->size;
free(conversion_str);
status->format += pformat->fmt_len;
list_pop_front(&status->flist);
return (status->format + 1);
}
const char *add_between(t_printf_status *status)
{
int i;
i = 0;
while (status->format[i] && status->format[i] != '%')
i++;
if ((status->out = ft_memjoin_free(status->out, status->out_size,
(void*)status->format, i)) == NULL)
return (NULL);
status->out_size += i;
return (status->format + i);
}
int destroy_status_error(t_printf_status *status)
{
if (status == NULL)
return (STATUS_ERROR);
va_end(status->ap);
list_destroy(&status->flist);
free(status->out);
return (STATUS_ERROR);
}
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