68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_sprintf.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: lderidde <lderidde@student.s19.be> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2025/01/24 13:46:45 by lderidde #+# #+# */
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/* Updated: 2025/01/24 13:46:45 by lderidde ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "ft_sprintf.h"
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static int is_spec(char c)
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{
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if (c == 'c' || c == 's' || c == 'd')
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return (1);
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return (0);
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}
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static char *add_arg(char c, char *str, va_list args)
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{
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char *out;
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if (c == 'c')
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out = ft_strfjoinc(str, va_arg(args, int));
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else if (c == 's')
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out = ft_strfjoin(str, va_arg(args, char *));
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else if (c == 'd')
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out = ft_strfjoind(str, ft_itoa(va_arg(args, int)));
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return (out);
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}
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static char *build_str(const char *str, va_list args)
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{
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char *out;
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int i;
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out = NULL;
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i = 0;
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while (str[i])
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{
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if (str[i] == '%' && str[i + 1])
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{
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if (is_spec(str[++i]))
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out = add_arg(str[i], out, args);
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else
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out = ft_strfjoinc(out, '%');
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}
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else
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out = ft_strfjoinc(out, str[i]);
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i++;
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}
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return (out);
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}
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char *ft_sprintf(const char *str, ...)
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{
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va_list args;
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char *out;
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va_start(args, str);
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out = build_str(str, args);
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va_end(args);
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return (out);
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}
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