42/42_INT_03_ft_printf
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ecriture tests var_arg

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Hugo LAMY
2020-01-06 17:27:04 +01:00
parent 40a409963d
commit b3ef54c38b
2 changed files with 111 additions and 47 deletions
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143
ft_printf.c
View File

@@ -1,34 +1,83 @@
#include "ft_printf.h"
// %[arg_nbr$][flags][][width][.precision][length]specifier
//#include "ft_printf.h"
#include <libc.h>
int ft_printf(char *fmt, ...)
typedef unsigned char *ta_list;
#define ta_start(list, param) (list = (((ta_list)&param) + sizeof(param)))
#define ta_arg(list, type) (*(type *)((list += sizeof(type)) - sizeof(type)))
//int ft_printf(char *string, ...)
int ft_printf(int num, ...)
{
va_list ap;
int d;
char c, *s;
// ta_list ap;
char *arg;
// int d;
// char c;
// char *s;
va_start(ap, fmt);
while (*fmt != '\0')
arg = (char *)&num;
arg++;
printf("%s\n", arg);
/* while (*arg != '\0')
arg++;
arg += 1;
//arg = (((char*)&string) + sizeof(string));
//ta_start(ap, string);
while (*string != '\0')
{
if (*fmt == 's')
if (*string == 's')
{
s = va_arg(ap, char *);
printf("string %s\n", s);
//s = ta_arg(ap, char *);
s = (char *)arg;
printf("string '%s'\n", s);
// while (*arg != '\0')
// {
// printf(" '%1$i%1$c' ", *arg);
// arg++;
// }
// printf(" '%1$i%1$c' ", *arg);
arg += sizeof(char *);
// printf(" '%1$i%1$c' \n", *arg);
//arg += sizeof(char *);
}
if (*fmt == 'd')
if (*string == 'd')
{
d = va_arg(ap, int);
//d = ta_arg(ap, int);
d = (int)(*arg);
printf("int %d\n", d);
}
if (*fmt == 'c')
if (*string == 'c')
{
c = va_arg(ap, int);
printf("char %c\n", c);
//c = ta_arg(ap, int);
//c = (char)(*arg);
printf("char %s\n", arg);
}
fmt++;
}
va_end(ap);
string++;
}*/
// va_list ap;
//
// va_start(ap, string);
// while (*string != '\0')
// {
// if (*string == 's')
// {
// s = va_arg(ap, char *);
// printf("string %s\n", s);
// }
// if (*string == 'd')
// {
// d = va_arg(ap, int);
// printf("int %d\n", d);
// }
// if (*string == 'c')
// {
// c = va_arg(ap, int);
// printf("char %c\n", c);
// }
// string++;
// }
// va_end(ap);
return (0);
}
@@ -39,20 +88,21 @@ int main(void)
char c;
int i;
s = "scd";
s = "csd";
c = 'p';
str = "bravo";
c = 'c';
i = 6;
ft_printf(s, str, c, i);
printf("%s-%s-%c-%i\n\n", s, str, c, i);
ft_printf(4, s, c, str, i);
return (0);
}
/*
conversions : cspdiuxX%
flags : -,0,.,*
flags : - 0 . *
conversions : nfge
flags : l,ll,h,hh,#,', ,+
flags : l ll h hh # ' (space) +
%[arg_nbr$][flags 0,-,#,', ,+][width *][.precision *][length hh,h,ll,l,L,j,t,z][specifier d,i,u,x,X,c,s,p,%,e,f,g,n,E,F,G,a,A,C,S,o]
% [flags 0,- ][width *][.precision *] [specifier d,i,u,x,X,c,s,p,% ]
@@ -62,38 +112,39 @@ typedef struct s_prist
{
int print_nbr;
int arg_nbr;
char specifier;
int flag; //['0','-','#',''',' ','+','*'] binary
int flag; //[0-#' +*] binary
int width;
int precision;
char *length;
char specifier;
char *arg;
struct s_prist *next;
} t_prist;
("2 1 3 4 3", 1, 2, 3, 4)
store
{{printf_nbr 1; arg_nbr 2; specifier; flag; width; precision},
{printf_nbr 2; arg_nbr 1; specifier; flag; width; precision},
{printf_nbr 3; arg_nbr 3; specifier; flag; width; precision},
{printf_nbr 4; arg_nbr 4; specifier; flag; width; precision},
{printf_nbr 5; arg_nbr 3; specifier; flag; width; precision}}
ft_store
for each : ft_check_error
{{printf_nbr 1; arg_nbr 2; flag; width; precision; length; specifier},
{printf_nbr 2; arg_nbr 1; flag; width; precision; length; specifier},
{printf_nbr 3; arg_nbr 3; flag; width; precision; length; specifier},
{printf_nbr 4; arg_nbr 4; flag; width; precision; length; specifier},
{printf_nbr 5; arg_nbr 3; flag; width; precision; length; specifier}}
check_more_error
ft_sort_by_arg
{{printf_nbr 2; arg_nbr 1; flag; width; precision; length; specifier},
{printf_nbr 1; arg_nbr 2; flag; width; precision; length; specifier},
{printf_nbr 3; arg_nbr 3; flag; width; precision; length; specifier},
{printf_nbr 5; arg_nbr 3; flag; width; precision; length; specifier},
{printf_nbr 4; arg_nbr 4; flag; width; precision; length; specifier}}
sort_by_arg
{{printf_nbr 2; arg_nbr 1; specifier; flag; width; precision},
{printf_nbr 1; arg_nbr 2; specifier; flag; width; precision},
{printf_nbr 3; arg_nbr 3; specifier; flag; width; precision},
{printf_nbr 5; arg_nbr 3; specifier; flag; width; precision},
{printf_nbr 4; arg_nbr 4; specifier; flag; width; precision}}
add_str_to_print
ft_add_arg
if flag == * >> rerun for next argument but same list element
{{printf_nbr 2; arg_nbr 1; specifier; flag; width; precision; arg},
{printf_nbr 1; arg_nbr 2; specifier; flag; width; precision; arg},
{printf_nbr 3; arg_nbr 3; specifier; flag; width; precision; arg},
{printf_nbr 5; arg_nbr 3; specifier; flag; width; precision; arg},
{printf_nbr 4; arg_nbr 4; specifier; flag; width; precision; arg}}
if lst->next->arg == lst->arg rerun for next list element but same argument
{{printf_nbr 2; arg_nbr 1; flag; width; precision; length; specifier; arg},
{printf_nbr 1; arg_nbr 2; flag; width; precision; length; specifier; arg},
{printf_nbr 3; arg_nbr 3; flag; width; precision; length; specifier; arg},
{printf_nbr 5; arg_nbr 3; flag; width; precision; length; specifier; arg},
{printf_nbr 4; arg_nbr 4; flag; width; precision; length; specifier; arg}}
*/

15
ft_printf.h
View File

@@ -4,6 +4,19 @@
# include <stdio.h>
# include <stdarg.h>
int ft_printf(char *fmt, ...);
int ft_printf(char *string, ...);
typedef struct s_prist
{
int print_nbr;
int arg_nbr;
int flag;
int width;
int precision;
char *length;
char specifier;
char *arg;
struct s_prist *next;
} t_prist;
#endif