42/42_INT_03_ft_printf
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ecriture de la macro pour faire les tests, pas la partie detournement de stdout dans fichier

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This commit is contained in:
Hugo LAMY
2020-02-25 16:44:32 +01:00
parent 0070661d1d
commit 0eb994b3aa
6 changed files with 213 additions and 206 deletions
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1
Makefile
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@@ -18,6 +18,7 @@ SRCS = ft_printf.c \
ft_next_word.c \
aside.c \
ft_convert.c \
ft_width_n_precision.c \
main.c
ODIR = ./builds

BIN
ft_printf
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172
ft_printf.c
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@@ -1,167 +1,6 @@
#include "ft_printf.h"
/*
** -function that modify the string 'print' according to the precision flag :
** if length(s) < precision, add x '0' bfr nbr, but after '-' if negative
*/
char *precision_int(char *print, int precision)
{
int i;
char *tmp;
i = ft_strlen(print);
if (print[0] == '-')
precision++;
if (precision > i)
{
if (!(tmp = (char *)malloc(sizeof(char) * (precision + 1))))
return (NULL);
tmp[precision] = '\0';
if (print[0] == '-')
tmp[0] = '-';
while (i)
tmp[--precision] = print[--i];
if (print[0] == '-')
precision++;
while (precision)
tmp[--precision] = '0';
if (print[0] == '-')
tmp[0] = '-';
free(print);
print = tmp;
}
return (print);
}
/*
** -it first verify if there is a precision point, and if so, it execute a
** serie of action listed below, otherwise return print as it is
** ACTIONS :
** -look for a '.'
** -if followed by numbers, extract an int version of those numbers
** -if the '.' is alone, gives value '0' to the int
** -then removes the '.' and the numbers from the %string
** -if flag '0' is present in %string, removes it (actually turn each occurence
** in a '.')
** -and transform 'print' according to the precision :
** -1 if type is s: if length(s) > precision, removes end of 'print' to print
** only x chars, with x = precision
** -2 if type is "diouxX": call fonction 'precision_int' that return :
** if length(s) < precision, add x '0' bfr nbr, but after '-' if negative
** -3 if type is "aAeEfF": not covered
** -4 si type is "gG": not covered
** -5 else: error
*/
char *ft_precision(char *s, char *print, char *type)
{
char *tmp;
int precision;
int i;
if ((tmp = ft_strchr(s, '.')))
{
precision = ft_atoi(tmp + 1);
*tmp = '\0';
while (ft_strchr("#- +'0", *(++s)))
if (*s == '0')
*s = '.';
i = 0;
if (ft_strchr(type, 's'))
{
while (i < precision && print[i])
i++;
if (print[i])
print[i] = '\0';
}
if (ft_strchrset(type, "diouxX"))
print = precision_int(print, precision);
}
return (print);
}
/*
**
** if i = flag_w(s) | -width is caculated
** if flag_-(&s) | -if flag '-', rm '-' and width from s
** print = ft_rpadd() | -put extra width as ' ' to right,
** else if flag_0(&s) | -if flag '0', rm '0' and width from s
** print = ft_lpadd() | -put extra width as '0' to left
** else | -if just width
** print = ft_lpadd() | put extra width as ' ' to left
*/
char *ft_width(char *s, char *print)
{
char *tmp;
int i; ft_putstr("[");ft_putstr(s);ft_putstr("|");
tmp = s;
while (*tmp != '\0' && ft_strchr("%#- +'0.", *tmp))
tmp++;
i = ft_atoi(tmp); ft_putnbr(i);ft_putstr("|");
tmp[0] = '\0'; ft_putstr(s);ft_putstr("]");
if (i > ft_strlen(print))
{
if (!(tmp = (char *)malloc(sizeof(char) * (i + 1))))
return (NULL);
tmp[i] = '\0';
if (ft_strchr(s, '-'))
{
while (*print)
{
*tmp = *print;
tmp++;
print++;
i--;
}
while (i)
{
*tmp = ' ';
tmp++;
i--;
}
}
else if (ft_strchr(s, '0'))
{
i -= ft_strlen(print);
while (i)
{
*tmp = '0';
tmp++;
i--;
}
while (*print)
{
*tmp = *print;
tmp++;
print++;
}
}
else
{
i -= ft_strlen(print);
while (i)
{
*tmp = ' ';
tmp++;
i--;
}
while (*print)
{
*tmp = *print;
tmp++;
print++;
}
}
// ft_putstr(tmp);
print = tmp;
}
return (print);
}
/*
** FT_FLAG_TRANSFORM :
** if i = flag_p(&s) | -precision is calculated before width,
@@ -192,18 +31,9 @@ char *ft_width(char *s, char *print)
*/
char *ft_flag_transform(char *s, char *print, char *type)
{ ft_putstr("[");ft_putstr(s);ft_putstr("]");
{
print = ft_precision(s, print, type);
print = ft_width(s, print);
// if ((i = flag_w(s)))
// {
// if (flag_-(&s))
// print = ft_rpadd(i, print);
// else if (flag_0(&s))
// print = ft_lpadd(i, print, '0');
// else
// print = ft_lpadd(i, print, ' ');
// }
// if (flag_+(s)) //
// else if (flag_space(s)) //

17
ft_printf.h
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@@ -7,14 +7,29 @@
# include <stdio.h>
// ft_printf.c
char *ft_flag_transform(char *s, char *print, char *type);
int ft_printf(char *string, ...);
// ft_next_word.c
int width_precision(char *s);
int word_length(char *s);
char *next_word(char **s);
char *ft_convert(va_list ap, char *type);
// aside.c
char *specifier(char *s);
int ft_put_word(char *s);
int ft_expand_star(int nbr, char **string);
// ft_convert.c
char *conv_i(char c, long int i);
char *conv_u(char c, unsigned long int i);
char *ft_convert(va_list ap, char *type);
// ft_width_n_precision.c
char *precision_int(char *print, int precision);
char *ft_precision(char *s, char *print, char *type);
char *width_flags(char *print, char *tmp, char *s, int width);
char *ft_width(char *s, char *print);
#endif

76
main.c
View File

@@ -86,6 +86,12 @@ int main(int ac, char **av)
if (ac == 2 && !strcmp(av[1], "test"))
{
//#define PRINT(string, args...) printf("(%s, %s)\n", #string, #args); \
// printf("'" string "'\n", args); \
// ft_printf("'" string "'\n", args);
// PRINT("%*i", 5, 123)
printf("sdf\n");
ft_printf("sdf\n\n");
printf("'%i'\n", 23);
@@ -109,46 +115,48 @@ int main(int ac, char **av)
ft_printf("'%lX'\n\n", 9223372036854775807);
printf("'%p'\n", "dfgdf");
ft_printf("'%p'\n\n", "dfgdf");
printf("'%.i'\n", 123);
ft_printf("'%.i'\n\n", 123);
printf("'%.2i'\n", 123);
ft_printf("'%.2i'\n\n", 123);
printf("'%.i'\n", 121);
ft_printf("'%.i'\n\n", 121);
printf("'%.2i'\n", 122);
ft_printf("'%.2i'\n\n", 122);
printf("'%.25i'\n", 123);
ft_printf("'%.25i'\n\n", 123);
printf("'%0.6i'\n", 123);
ft_printf("'%0.6i'\n\n", 123);
printf("'%- 032.6i'\n", 123);
ft_printf("'%- 032.6i'\n\n", 123);
printf("'%0-0 32.6i'\n", 123);
ft_printf("'%0-0 32.6i'\n\n", 123);
printf("'%0-0.6i'\n", 123);
ft_printf("'%0-0.6i'\n\n", 123);
printf("'%0.6i'\n", 124);
ft_printf("'%0.6i'\n\n", 124);
printf("'%-032.6i'\n", 125);
ft_printf("'%-032.6i'\n\n", 125);
printf("'%0-032.6i'\n", 126);
ft_printf("'%0-032.6i'\n\n", 126);
printf("'%0-0.6i'\n", 127);
ft_printf("'%0-0.6i'\n\n", 127);
printf("'%s'\n", "string");
ft_printf("'%s'\n\n", "string");
printf("'%.7s'\n", "string");
ft_printf("'%.7s'\n\n", "string");
printf("'%.2s'\n", "string");
ft_printf("'%.2s'\n\n", "string");
printf("'%.0s'\n", "string");
ft_printf("'%.0s'\n\n", "string");
printf("'%.s'\n", "string");
ft_printf("'%.s'\n\n", "string");
printf("'%.7s'\n", "strong");
ft_printf("'%.7s'\n\n", "strong");
printf("'%.2s'\n", "strung");
ft_printf("'%.2s'\n\n", "strung");
printf("'%.0s'\n", "strang");
ft_printf("'%.0s'\n\n", "strang");
printf("'%.s'\n", "streng");
ft_printf("'%.s'\n\n", "streng");
printf("'%.7i'\n", -123456);
ft_printf("'%.7i'\n\n", -123456);
printf("'%2i'\n", -123);
ft_printf("'%2i'\n\n", -123);
printf("'%0i'\n", -123);
ft_printf("'%0i'\n\n", -123);
printf("'%10i'\n", -123);
ft_printf("'%10i'\n\n", -123);
printf("'%*i'\n", 0,-123);
ft_printf("'%*i'\n\n", 0,-123);
printf("'%0s'\n", "string");
ft_printf("'%0s'\n\n", "string");
printf("'%10s'\n", "string");
ft_printf("'%10s'\n\n", "string");
printf("'%010s'\n", "string");
ft_printf("'%010s'\n\n", "string");
printf("'%2i'\n", -128);
ft_printf("'%2i'\n\n", -128);
printf("'%0i'\n", -129);
ft_printf("'%0i'\n\n", -129);
printf("'%10i'\n", -130);
ft_printf("'%10i'\n\n", -130);
printf("'%*i'\n", 0,-131);
ft_printf("'%*i'\n\n", 0,-131);
printf("'%0s'\n", "stryng");
ft_printf("'%0s'\n\n", "stryng");
printf("'%10s'\n", "strxng");
ft_printf("'%10s'\n\n", "strxng");
printf("'%010s'\n", "strzng");
ft_printf("'%010s'\n\n", "strzng");
printf("'%010s'" "__TEST__\n", "strzng");
ft_printf("'%010s'" "__TEST__\n\n", "strzng");
// #include <fcntl.h>
// ft_printf("Hi file\n");

153
srcs/ft_width_n_precision.c Normal file
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@@ -0,0 +1,153 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_width_n_precision.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: hulamy <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/25 14:48:55 by hulamy #+# #+# */
/* Updated: 2020/02/25 15:12:32 by hulamy ### ########.fr */
/* */
/* ************************************************************************** */
#include "ft_printf.h"
/*
** -function that modify the string 'print' according to the precision flag :
** if length(s) < precision, add x '0' bfr nbr, but after '-' if negative
*/
char *precision_int(char *print, int precision)
{
int i;
char *tmp;
i = ft_strlen(print);
if (print[0] == '-')
precision++;
if (precision > i)
{
if (!(tmp = (char *)malloc(sizeof(char) * (precision + 1))))
return (NULL);
tmp[precision] = '\0';
if (print[0] == '-')
tmp[0] = '-';
while (i)
tmp[--precision] = print[--i];
if (print[0] == '-')
precision++;
while (precision)
tmp[--precision] = '0';
if (print[0] == '-')
tmp[0] = '-';
free(print);
print = tmp;
}
return (print);
}
/*
** -it first verify if there is a precision point, and if so, it execute a
** serie of action listed below, otherwise return print as it is
** ACTIONS :
** -look for a '.'
** -if followed by numbers, extract an int version of those numbers
** -if the '.' is alone, gives value '0' to the int
** -then removes the '.' and the numbers from the %string
** -if flag '0' is present in %string, removes it (actually turn each occurence
** in a '.')
** -and transform 'print' according to the precision :
** -1 if type is s: if length(s) > precision, removes end of 'print' to print
** only x chars, with x = precision
** -2 if type is "diouxX": call fonction 'precision_int' that return :
** if length(s) < precision, add x '0' bfr nbr, but after '-' if negative
** -3 if type is "aAeEfF": not covered
** -4 si type is "gG": not covered
** -5 else: error
*/
char *ft_precision(char *s, char *print, char *type)
{
char *tmp;
int precision;
int i;
if ((tmp = ft_strchr(s, '.')))
{
precision = ft_atoi(tmp + 1);
*tmp = '\0';
while (ft_strchr("#- +'0", *(++s)))
if (*s == '0')
*s = '.';
i = 0;
if (ft_strchr(type, 's'))
{
while (i < precision && print[i])
i++;
if (print[i])
print[i] = '\0';
}
if (ft_strchrset(type, "diouxX"))
print = precision_int(print, precision);
}
return (print);
}
/*
** -if flag '-' is present, put extra width as ' ' to right of 'print'
** -if flag '0' is present, put extra width as '0' to left of 'print'
** -else, put extra width as ' ' to left of 'print'
*/
char *width_flags(char *print, char *tmp, char *s, int width)
{
char c;
int i;
int j;
i = 0;
j = 0;
if (ft_strchr(s, '-'))
{
while (print[j])
tmp[i++] = print[j++];
while (i < width)
tmp[i++] = ' ';
}
else
{
c = (ft_strchr(s, '0')) ? '0' : ' ' ;
while (i < (width - ft_strlen(print)))
tmp[i++] = c;
while (print[j])
tmp[i++] = print[j++];
}
free(print);
return (tmp);
}
/*
** -if there is a minimal width field, calculate it and add it to print
** according to the flags '-' and '0' if present
*/
char *ft_width(char *s, char *print)
{
char *tmp;
int width;
tmp = s;
while (*tmp != '\0' && ft_strchr("%#- +'0.", *tmp))
tmp++;
width = ft_atoi(tmp);
tmp[0] = '\0';
if (width > ft_strlen(print))
{
if (!(tmp = (char *)malloc(sizeof(char) * (width + 1))))
return (NULL);
tmp[width] = '\0';
print = width_flags(print, tmp, s, width);
}
return (print);
}