debut ecriture gestionlst
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Hugo LAMY
205
ft_printf.c
205
ft_printf.c
@@ -1,83 +1,53 @@
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//#include "ft_printf.h"
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#include <libc.h>
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#include "ft_printf.h"
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typedef unsigned char *ta_list;
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#define ta_start(list, param) (list = (((ta_list)¶m) + sizeof(param)))
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#define ta_arg(list, type) (*(type *)((list += sizeof(type)) - sizeof(type)))
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//int ft_printf(char *string, ...)
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int ft_printf(int num, ...)
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int ft_error(int i)
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{
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// ta_list ap;
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char *arg;
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// int d;
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// char c;
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// char *s;
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if (i == 0)
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return (1);
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return (0);
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}
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arg = (char *)#
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arg++;
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printf("%s\n", arg);
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/* while (*arg != '\0')
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arg++;
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arg += 1;
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//arg = (((char*)&string) + sizeof(string));
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//ta_start(ap, string);
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t_list *ft_store(char *str)
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{
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t_prist *arglst;
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t_list *lst;
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char *tmp;
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//str = "truc: %i, machins:%s\n"
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while (*str != '\0')
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{
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(*arglst) = (t_prist *)malloc(sizeof(*arglst));
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lst = ft_lstadd_back(&lst, arglst);
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if (tmp = strchr(str,%))
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tmp[0] = '\0'
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(*arglst)->str = ft_strdup(str);
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...fill_flag...;
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if (tmp != NULL)
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tmp[0] = '%';
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str = tmp;
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}
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return (*arglst);
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}
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int ft_printf(char *string, ...)
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{
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va_list ap;
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t_list *lst;
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va_start(ap, string);
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lst = ft_store(string);
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while (*string != '\0')
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{
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if (*string == 's')
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{
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//s = ta_arg(ap, char *);
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s = (char *)arg;
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printf("string '%s'\n", s);
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// while (*arg != '\0')
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// {
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// printf(" '%1$i%1$c' ", *arg);
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// arg++;
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// }
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// printf(" '%1$i%1$c' ", *arg);
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arg += sizeof(char *);
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// printf(" '%1$i%1$c' \n", *arg);
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//arg += sizeof(char *);
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}
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printf("string %s\n", va_arg(ap, char *));
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if (*string == 'd')
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{
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//d = ta_arg(ap, int);
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d = (int)(*arg);
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printf("int %d\n", d);
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}
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printf("int %d\n", va_arg(ap, int));
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if (*string == 'c')
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{
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//c = ta_arg(ap, int);
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//c = (char)(*arg);
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printf("char %s\n", arg);
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}
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printf("char %c\n", va_arg(ap, int));
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string++;
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}*/
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// va_list ap;
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//
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// va_start(ap, string);
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// while (*string != '\0')
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// {
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// if (*string == 's')
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// {
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// s = va_arg(ap, char *);
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// printf("string %s\n", s);
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// }
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// if (*string == 'd')
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// {
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// d = va_arg(ap, int);
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// printf("int %d\n", d);
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// }
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// if (*string == 'c')
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// {
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// c = va_arg(ap, int);
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// printf("char %c\n", c);
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// }
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// string++;
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// }
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// va_end(ap);
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}
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va_end(ap);
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return (0);
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}
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@@ -93,7 +63,7 @@ int main(void)
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str = "bravo";
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i = 6;
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printf("%s-%s-%c-%i\n\n", s, str, c, i);
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ft_printf(4, s, c, str, i);
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ft_printf(s, c, str, i);
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return (0);
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}
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@@ -108,43 +78,80 @@ conversions : nfge
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% [flags 0,- ][width *][.precision *] [specifier d,i,u,x,X,c,s,p,% ]
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% [flags #,', ,+] [length hh,h,ll,l ][specifier e,f,g,n ]
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int flag: pw+ '#-0
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00000000 00000000 00000000 00000001 == 1 '0'
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00000000 00000000 00000000 00000010 == 2 '-'
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00000000 00000000 00000000 00000100 == 4 '#'
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00000000 00000000 00000000 00001000 == 8 '''
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00000000 00000000 00000000 00010000 == 16 ' '
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00000000 00000000 00000000 00100000 == 32 '+'
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00000000 00000000 00000000 01000000 == 64 '*' width
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00000000 00000000 00000000 10000000 == 128 '*' precision
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typedef struct s_prist
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{
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int print_nbr;
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int arg_nbr;
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int flag; //[0-#' +*] binary
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int width;
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int precision;
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char *length;
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char specifier;
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char *arg;
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char *str;
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int flag; // default 0 ; [0-#' +**] binary
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int width; // default 0 ;
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int prec; // default 0 ; precision
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char *length; // default "\0" ;
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char spec; // default 0 ; specifier
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char *arg; // default "\0" ;
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int p_nb; // default 0 ; print_nb : order in which to print (order it was found in string)
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int a_nb; // default 0 ; arg_nb : number of the corresponding argument (for flag $)
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struct s_prist *next;
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} t_prist;
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("2 1 3 4 3", 1, 2, 3, 4)
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ft_store
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for each : ft_check_error
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{{printf_nbr 1; arg_nbr 2; flag; width; precision; length; specifier},
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{printf_nbr 2; arg_nbr 1; flag; width; precision; length; specifier},
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{printf_nbr 3; arg_nbr 3; flag; width; precision; length; specifier},
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{printf_nbr 4; arg_nbr 4; flag; width; precision; length; specifier},
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{printf_nbr 5; arg_nbr 3; flag; width; precision; length; specifier}}
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ft_error(int err)
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ft_store("%i truc %-10d machin\n")
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ft_split_print(str)
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prist->str = "%i";
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ft_fill_lst(prist)
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prist->flag; // default = 0
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prist->width; // default = 0
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prist->prec; // default = 0
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prist->length;
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prist->spec;
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prist->p_nb;
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prist->a_nb; // if not $ == p_nb
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prist->str = " truc ";
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ft_fill_lst(prist)
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... // if str start without % it means it can be printed as a string directly
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prist->str = "%-10d";
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ft_fill_lst...
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prist->str = " machin\n";
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ft_fill_lst...
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return
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{{str; flag; width; precision; length; specifier; p_nb 1; a_nb 2},
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{str; flag; width; precision; length; specifier; p_nb 2; a_nb 1},
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{str; flag; width; precision; length; specifier; p_nb 3; a_nb 3},
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{str; flag; width; precision; length; specifier; p_nb 4; a_nb 4},
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{str; flag; width; precision; length; specifier; p_nb 5; a_nb 3}}
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ft_sort_by_arg
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{{printf_nbr 2; arg_nbr 1; flag; width; precision; length; specifier},
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{printf_nbr 1; arg_nbr 2; flag; width; precision; length; specifier},
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{printf_nbr 3; arg_nbr 3; flag; width; precision; length; specifier},
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{printf_nbr 5; arg_nbr 3; flag; width; precision; length; specifier},
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{printf_nbr 4; arg_nbr 4; flag; width; precision; length; specifier}}
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{{str; flag; width; precision; length; specifier; p_nb 2; a_nb 1},
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{str; flag; width; precision; length; specifier; p_nb 1; a_nb 2},
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{str; flag; width; precision; length; specifier; p_nb 3; a_nb 3},
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{str; flag; width; precision; length; specifier; p_nb 5; a_nb 3},
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{str; flag; width; precision; length; specifier; p_nb 4; a_nb 4}}
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ft_add_arg
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if flag == * >> rerun for next argument but same list element
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if lst->next->arg == lst->arg rerun for next list element but same argument
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{{printf_nbr 2; arg_nbr 1; flag; width; precision; length; specifier; arg},
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{printf_nbr 1; arg_nbr 2; flag; width; precision; length; specifier; arg},
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{printf_nbr 3; arg_nbr 3; flag; width; precision; length; specifier; arg},
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{printf_nbr 5; arg_nbr 3; flag; width; precision; length; specifier; arg},
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{printf_nbr 4; arg_nbr 4; flag; width; precision; length; specifier; arg}}
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if lst->str[o] != '\%' rerun without looking for argument
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if lst->flag == * rerun for next argument but same list element
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[fl][w][p] or or
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%i ,1 -> '1' [] [0][0] [ ][0][0] [] [0][0]
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%*i ,3,1 -> ' 1' [*] [0][0] [* ][0][0] [w] [0][0]
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%.*i ,2,1 -> '01' [*] [0][0] [ *][0][0] [p] [0][0]
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%*.*i ,3,2,1 -> ' 01' [**][0][0] [**][0][0] [wp][0][0]
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%3.*i ,2,1 -> ' 01' [*] [3][0] [ *][3][0] [p] [3][0]
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%*.2i ,3,1 -> ' 01' [*] [0][2] [* ][0][2] [w] [0][2]
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%3.2i ,1 -> ' 01' [] [3][2] [ ][3][2] [] [3][2]
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if lst->next->a_nb == lst->a_nb rerun for next list element but same argument
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{{str; flag; width; precision; length; specifier; arg; p_nb 2; a_nb 1},
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{str; flag; width; precision; length; specifier; arg; p_nb 1; a_nb 2},
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{str; flag; width; precision; length; specifier; arg; p_nb 3; a_nb 3},
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{str; flag; width; precision; length; specifier; arg; p_nb 5; a_nb 3},
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{str; flag; width; precision; length; specifier; arg; p_nb 4; a_nb 4}}
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*/
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