diff options
Diffstat (limited to 'ft_printf/ft_printf.c')
| -rw-r--r-- | ft_printf/ft_printf.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/ft_printf/ft_printf.c b/ft_printf/ft_printf.c new file mode 100644 index 0000000..daa0cf2 --- /dev/null +++ b/ft_printf/ft_printf.c @@ -0,0 +1,92 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* 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 "ft_vasprintf.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); +} |
