commit b3ca9337a2751f296b2e705db3ac13b26565cc9a
Author: trmartinek <tristan.martinek@etu.uca.fr>
Date:   Sat Dec 4 09:45:01 2021 +0100

    commit initial, une fuite memoire detectee

diff --git a/convert.c b/convert.c
new file mode 100755
index 0000000..2fadb55
--- /dev/null
+++ b/convert.c
@@ -0,0 +1,34 @@
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "convert_base.h"
+
+int	main(void)
+{
+	char	*nbr;
+	char	*base_from;
+	char	*base_to;
+
+	nbr = (char *)malloc(33 * sizeof(char));
+	base_from = (char *)malloc(50 * sizeof(char));
+	base_to = (char *)malloc(50 * sizeof(char));
+	if(!nbr || !base_from || !base_to)
+	{
+		write(2, "Erreur memoire, abandon", 24);
+		return 1;
+	}
+	printf("Rentrez votre nombre\n");
+	scanf("%32s", nbr);
+	fflush(stdin);
+	printf("Rentrez la base d'entrée de votre nombre\n");
+	scanf("%49s", base_from);
+	fflush(stdin);
+	printf("Rentrez la base de sortie désirée\n");
+	scanf("%49s", base_to);
+	fflush(stdin);
+	puts(convert_base(nbr, base_from, base_to));
+	free(nbr);
+	free(base_from);
+	free(base_to);
+	return 0;
+}
diff --git a/convert_base.c b/convert_base.c
new file mode 100755
index 0000000..aacc536
--- /dev/null
+++ b/convert_base.c
@@ -0,0 +1,89 @@
+#include <stdlib.h>
+#include "convert_base.h"
+
+long	decode(char *nbr, char *base_from)
+{
+	int		i;
+	long	result;
+
+	i = 0;
+	result = 0;
+	while (nbr[i] == 32 || (nbr[i] >= 9 && nbr[i] <= 13)
+			|| nbr[i] == 43 || nbr[i] == 45)
+		i++;
+	while (nbr[i] != '\0' && is_base(nbr[i], base_from))
+	{
+		result = (result * check(base_from)) + unchar(nbr[i], base_from);
+		i++;
+	}
+	if (nbr [i] != '\0' && !is_base(nbr[i], base_from))
+		abort();
+	return (result);
+}
+
+void	convert(long medium, char *base_to,
+		char *unestring, int *p_i)
+{
+	long		l_base;
+
+	l_base = check(base_to);
+	if (medium >= 0 && medium < l_base)
+	{
+		unestring[*p_i] = base_to[medium];
+		*p_i = *p_i + 1;
+	}
+	if (medium >= l_base)
+	{
+		convert(medium / l_base, base_to, unestring, p_i);
+		convert(medium % l_base, base_to, unestring, p_i);
+	}
+	unestring[*p_i] = '\0';
+}
+
+char	*jonemar(char *cepafini, char *celafin, int i)
+{
+	int		j;
+
+	j = 0;
+	while (cepafini[j])
+	{
+		celafin[i] = cepafini[j];
+		i++;
+		j++;
+	}
+	celafin[i] = '\0';
+	return (celafin);
+}
+
+char	*recode(long medium, char *base_to, int posi)
+{
+	char	cepafini[50];
+	char	*celafin;
+	int		i;
+	int		*p_i;
+
+	i = 0;
+	p_i = &i;
+	convert(medium, base_to, cepafini, p_i);
+	if (posi < 0)
+		celafin = (char *)malloc(sizeof(char) * (*p_i + 3));
+	else
+		celafin = (char *)malloc(sizeof(char) * (*p_i + 2));
+	if (!(celafin))
+		return (0);
+	if (posi < 0 && medium != 0)
+	{
+		i = 1;
+		celafin[0] = '-';
+	}
+	else
+		i = 0;
+	return (jonemar(cepafini, celafin, i));
+}
+
+char	*convert_base(char *nbr, char *base_from, char *base_to)
+{
+	if (!(check(base_from)) || !(check(base_to)))
+		return (NULL);
+	return (recode(decode(nbr, base_from), base_to, start(nbr)));
+}
diff --git a/convert_base.h b/convert_base.h
new file mode 100755
index 0000000..5d46f8d
--- /dev/null
+++ b/convert_base.h
@@ -0,0 +1,9 @@
+long	decode(char *nbr, char *base_from);
+void	convert(long medium, char *base_to, char *unestring, int *p_i);
+char	*jonemar(char *cepafini, char *celafin, int i);
+char	*recode(long medium, char *base_to, int posi);
+char	*convert_base(char *nbr, char *base_from, char *base_to);
+int	check(char *base);
+int	is_base(char k, char *base);
+int	unchar(char k, char *base);
+int	start(char *str);
diff --git a/convert_base2.c b/convert_base2.c
new file mode 100755
index 0000000..01b5d97
--- /dev/null
+++ b/convert_base2.c
@@ -0,0 +1,69 @@
+int	check(char *base)
+{
+	int i;
+	int j;
+
+	i = 0;
+	while (base[i] != '\0')
+	{
+		j = i + 1;
+		while (base[j] != '\0')
+		{
+			if (base[j] == base[i])
+				return (0);
+			j++;
+		}
+		if (base[i] == 43 || base[i] == 45)
+			return (0);
+		i++;
+	}
+	if (i < 2)
+		return (0);
+	return (i);
+}
+
+int	is_base(char k, char *base)
+{
+	int i;
+
+	i = 0;
+	while (base[i])
+	{
+		if (k == base[i])
+			return (1);
+		i++;
+	}
+	return (0);
+}
+
+int	unchar(char k, char *base)
+{
+	int i;
+
+	i = 0;
+	while (base[i])
+	{
+		if (k == base[i])
+			return (i);
+		i++;
+	}
+	return (0);
+}
+
+int	start(char *str)
+{
+	int		posi;
+	int		i;
+
+	i = 0;
+	posi = 1;
+	while (str[i] == 32 || (str[i] >= 9 && str[i] <= 13))
+		i++;
+	while (str[i] == '-' || str[i] == '+')
+	{
+		if (str[i] == '-')
+			posi = posi * -1;
+		i++;
+	}
+	return (posi);
+}