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strlen 0 if NULL strng

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This commit is contained in:
Jack Halford 2016-08-30 00:40:33 +02:00
parent 1252d77e02
commit edb265b68e
2 changed files with 5 additions and 0 deletions
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2
libftasm/ft_strlen.c
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@ -5,6 +5,8 @@ size_t ft_strlen(const char *s)
int i; int i;
i = 0; i = 0;
if (!s)
return (0);
while (s[i]) while (s[i])
i++; i++;
return (i); return (i);

3
libftasm/libft.h
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@ -7,6 +7,9 @@
# define ABS(x) (((x) < 0) ? -(x) : (x)) # define ABS(x) (((x) < 0) ? -(x) : (x))
# define NEG(x) (((x) < 0) ? 1 : 0) # define NEG(x) (((x) < 0) ? 1 : 0)
# define POS(x) (((x) > 0) ? 1 : 0) # define POS(x) (((x) > 0) ? 1 : 0)
# define MIN(a, b) ((a) < (b) ? (a) : (b))
# define MAX(a, b) ((a) > (b) ? (a) : (b))
# define DIST(a, b) (ABS((a) - (b)))
typedef struct s_list typedef struct s_list
{ {