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ft_strjoin.c File Reference
#include "../includes/libft.h"
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Functions | |
| char * | ft_strjoin (char const *s1, char const *s2) |
| Concatenates two strings into a newly allocated string. | |
Function Documentation
◆ ft_strjoin()
| char * ft_strjoin | ( | char const * | s1, |
| char const * | s2 | ||
| ) |
Concatenates two strings into a newly allocated string.
- Parameters
-
s1 First input string. s2 Second input string.
- Returns
- Newly allocated concatenation, or NULL on failure.
Definition at line 22 of file ft_strjoin.c.
23{
24 char *join;
25 size_t len1;
26 size_t len2;
27
28 if (!s1 || !s2)
29 return (NULL);
30 len1 = ft_strlen(s1);
31 len2 = ft_strlen(s2);
32 join = (char *)malloc(sizeof(char) * (len1 + len2 + 1));
33 if (!join)
34 return (NULL);
35 ft_memcpy(join, s1, len1);
36 ft_memcpy(join + len1, s2, len2);
37 join[len1 + len2] = '\0';
38 return (join);
39}
void * ft_memcpy(void *dest, const void *src, size_t n)
Copies bytes from source to destination.
Definition ft_memcpy.c:25
size_t ft_strlen(const char *str)
Returns the length of a null-terminated string.
Definition ft_strlen.c:21
References ft_memcpy(), and ft_strlen().
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