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-rw-r--r--src/ft_atoi.c26
-rw-r--r--src/ft_bzero.c7
-rw-r--r--src/ft_calloc.c19
-rw-r--r--src/ft_isalnum.c7
-rw-r--r--src/ft_isalpha.c7
-rw-r--r--src/ft_isascii.c7
-rw-r--r--src/ft_isdigit.c7
-rw-r--r--src/ft_isprint.c7
-rw-r--r--src/ft_memchr.c16
-rw-r--r--src/ft_memcmp.c19
-rw-r--r--src/ft_memcpy.c16
-rw-r--r--src/ft_memmove.c26
-rw-r--r--src/ft_memset.c12
-rw-r--r--src/ft_strchr.c7
-rw-r--r--src/ft_strdup.c16
-rw-r--r--src/ft_strlcat.c23
-rw-r--r--src/ft_strlcpy.c20
-rw-r--r--src/ft_strlen.c12
-rw-r--r--src/ft_strncmp.c16
-rw-r--r--src/ft_strnstr.c19
-rw-r--r--src/ft_strrchr.c18
-rw-r--r--src/ft_tolower.c9
-rw-r--r--src/ft_toupper.c9
23 files changed, 325 insertions, 0 deletions
diff --git a/src/ft_atoi.c b/src/ft_atoi.c
new file mode 100644
index 0000000..2fe091a
--- /dev/null
+++ b/src/ft_atoi.c
@@ -0,0 +1,26 @@
+#include "libft.h"
+
+int
+ft_atoi (const char *nptr)
+{
+ int sign;
+ int result;
+
+ result = 0;
+ sign = 1;
+ // Skip isspace() characters: space, \t, \n, \v, \f, \r.
+ while (*nptr == ' ' || (*nptr >= '\t' && *nptr <= '\r'))
+ nptr++;
+ if (*nptr == '-' || *nptr == '+')
+ {
+ if (*nptr == '-')
+ sign = -1;
+ nptr++;
+ }
+ while (*nptr >= '0' && *nptr <= '9')
+ {
+ result = result * 10 + (*nptr - '0');
+ nptr++;
+ }
+ return (result * sign);
+}
diff --git a/src/ft_bzero.c b/src/ft_bzero.c
new file mode 100644
index 0000000..10f67bd
--- /dev/null
+++ b/src/ft_bzero.c
@@ -0,0 +1,7 @@
+#include "libft.h"
+
+void
+ft_bzero (void *s, size_t n)
+{
+ ft_memset (s, 0, n);
+}
diff --git a/src/ft_calloc.c b/src/ft_calloc.c
new file mode 100644
index 0000000..7726c64
--- /dev/null
+++ b/src/ft_calloc.c
@@ -0,0 +1,19 @@
+#include "libft.h"
+#include <stdlib.h>
+
+void *
+ft_calloc (size_t nmemb, size_t size)
+{
+ void *ptr;
+ size_t total;
+
+ // Detect multiplication overflow before allocating.
+ if (nmemb && size > (size_t)-1 / nmemb)
+ return (NULL);
+ total = nmemb * size;
+ ptr = malloc (total);
+ if (!ptr)
+ return (NULL);
+ ft_bzero (ptr, total);
+ return (ptr);
+}
diff --git a/src/ft_isalnum.c b/src/ft_isalnum.c
new file mode 100644
index 0000000..4b477f8
--- /dev/null
+++ b/src/ft_isalnum.c
@@ -0,0 +1,7 @@
+#include "libft.h"
+
+int
+ft_isalnum (int c)
+{
+ return (ft_isalpha (c) || ft_isdigit (c));
+}
diff --git a/src/ft_isalpha.c b/src/ft_isalpha.c
new file mode 100644
index 0000000..c19cf58
--- /dev/null
+++ b/src/ft_isalpha.c
@@ -0,0 +1,7 @@
+#include "libft.h"
+
+int
+ft_isalpha (int c)
+{
+ return ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z'));
+}
diff --git a/src/ft_isascii.c b/src/ft_isascii.c
new file mode 100644
index 0000000..f9e877e
--- /dev/null
+++ b/src/ft_isascii.c
@@ -0,0 +1,7 @@
+#include "libft.h"
+
+int
+ft_isascii (int c)
+{
+ return (c >= 0 && c <= 127);
+}
diff --git a/src/ft_isdigit.c b/src/ft_isdigit.c
new file mode 100644
index 0000000..43de53f
--- /dev/null
+++ b/src/ft_isdigit.c
@@ -0,0 +1,7 @@
+#include "libft.h"
+
+int
+ft_isdigit (int c)
+{
+ return (c >= '0' && c <= '9');
+}
diff --git a/src/ft_isprint.c b/src/ft_isprint.c
new file mode 100644
index 0000000..73964ff
--- /dev/null
+++ b/src/ft_isprint.c
@@ -0,0 +1,7 @@
+#include "libft.h"
+
+int
+ft_isprint (int c)
+{
+ return (c >= 32 && c <= 126);
+}
diff --git a/src/ft_memchr.c b/src/ft_memchr.c
new file mode 100644
index 0000000..08d5c3e
--- /dev/null
+++ b/src/ft_memchr.c
@@ -0,0 +1,16 @@
+#include "libft.h"
+
+void *
+ft_memchr (const void *s, int c, size_t n)
+{
+ const unsigned char *ptr;
+
+ ptr = s;
+ while (n--)
+ {
+ if (*ptr == (unsigned char)c)
+ return ((void *)ptr);
+ ptr++;
+ }
+ return (NULL);
+}
diff --git a/src/ft_memcmp.c b/src/ft_memcmp.c
new file mode 100644
index 0000000..ce6cc77
--- /dev/null
+++ b/src/ft_memcmp.c
@@ -0,0 +1,19 @@
+#include "libft.h"
+
+int
+ft_memcmp (const void *s1, const void *s2, size_t n)
+{
+ const unsigned char *p1;
+ const unsigned char *p2;
+
+ p1 = s1;
+ p2 = s2;
+ while (n--)
+ {
+ if (*p1 != *p2)
+ return (*p1 - *p2);
+ p1++;
+ p2++;
+ }
+ return (0);
+}
diff --git a/src/ft_memcpy.c b/src/ft_memcpy.c
new file mode 100644
index 0000000..26c4f76
--- /dev/null
+++ b/src/ft_memcpy.c
@@ -0,0 +1,16 @@
+#include "libft.h"
+
+void *
+ft_memcpy (void *dest, const void *src, size_t n)
+{
+ unsigned char *dst_bytes;
+ const unsigned char *src_bytes;
+
+ if (!dest && !src)
+ return (dest);
+ dst_bytes = dest;
+ src_bytes = src;
+ while (n--)
+ *dst_bytes++ = *src_bytes++;
+ return (dest);
+}
diff --git a/src/ft_memmove.c b/src/ft_memmove.c
new file mode 100644
index 0000000..ace0d90
--- /dev/null
+++ b/src/ft_memmove.c
@@ -0,0 +1,26 @@
+#include "libft.h"
+
+void *
+ft_memmove (void *dest, const void *src, size_t n)
+{
+ unsigned char *dst_bytes;
+ const unsigned char *src_bytes;
+
+ if (!dest && !src)
+ return (dest);
+ dst_bytes = dest;
+ src_bytes = src;
+ if (dst_bytes > src_bytes)
+ {
+ dst_bytes += n;
+ src_bytes += n;
+ while (n--)
+ *--dst_bytes = *--src_bytes;
+ }
+ else
+ {
+ while (n--)
+ *dst_bytes++ = *src_bytes++;
+ }
+ return (dest);
+}
diff --git a/src/ft_memset.c b/src/ft_memset.c
new file mode 100644
index 0000000..5be8fe6
--- /dev/null
+++ b/src/ft_memset.c
@@ -0,0 +1,12 @@
+#include "libft.h"
+
+void *
+ft_memset (void *s, int c, size_t n)
+{
+ unsigned char *ptr;
+
+ ptr = s;
+ while (n--)
+ *ptr++ = (unsigned char)c;
+ return (s);
+}
diff --git a/src/ft_strchr.c b/src/ft_strchr.c
new file mode 100644
index 0000000..0952232
--- /dev/null
+++ b/src/ft_strchr.c
@@ -0,0 +1,7 @@
+#include "libft.h"
+
+char *
+ft_strchr (const char *s, int c)
+{
+ return (ft_memchr (s, c, ft_strlen (s) + 1));
+}
diff --git a/src/ft_strdup.c b/src/ft_strdup.c
new file mode 100644
index 0000000..3a6be31
--- /dev/null
+++ b/src/ft_strdup.c
@@ -0,0 +1,16 @@
+#include "libft.h"
+#include <stdlib.h>
+
+char *
+ft_strdup (const char *s)
+{
+ size_t len;
+ char *dup;
+
+ len = ft_strlen (s);
+ dup = malloc (len + 1);
+ if (!dup)
+ return (NULL);
+ ft_memcpy (dup, s, len + 1);
+ return (dup);
+}
diff --git a/src/ft_strlcat.c b/src/ft_strlcat.c
new file mode 100644
index 0000000..1274ba5
--- /dev/null
+++ b/src/ft_strlcat.c
@@ -0,0 +1,23 @@
+#include "libft.h"
+
+size_t
+ft_strlcat (char *dst, const char *src, size_t size)
+{
+ size_t dst_len;
+ size_t src_len;
+ size_t avail;
+
+ dst_len = ft_strlen (dst);
+ src_len = ft_strlen (src);
+ if (dst_len >= size)
+ return (size + src_len);
+ avail = size - dst_len - 1;
+ if (src_len < avail)
+ ft_memcpy (dst + dst_len, src, src_len + 1);
+ else
+ {
+ ft_memcpy (dst + dst_len, src, avail);
+ dst[size - 1] = '\0';
+ }
+ return (dst_len + src_len);
+}
diff --git a/src/ft_strlcpy.c b/src/ft_strlcpy.c
new file mode 100644
index 0000000..2611041
--- /dev/null
+++ b/src/ft_strlcpy.c
@@ -0,0 +1,20 @@
+#include "libft.h"
+
+size_t
+ft_strlcpy (char *dst, const char *src, size_t size)
+{
+ size_t src_len;
+
+ src_len = ft_strlen (src);
+ if (size > 0)
+ {
+ if (src_len < size)
+ ft_memcpy (dst, src, src_len + 1);
+ else
+ {
+ ft_memcpy (dst, src, size - 1);
+ dst[size - 1] = '\0';
+ }
+ }
+ return (src_len);
+}
diff --git a/src/ft_strlen.c b/src/ft_strlen.c
new file mode 100644
index 0000000..06b0aae
--- /dev/null
+++ b/src/ft_strlen.c
@@ -0,0 +1,12 @@
+#include "libft.h"
+
+size_t
+ft_strlen (const char *s)
+{
+ size_t i;
+
+ i = 0;
+ while (s[i])
+ i++;
+ return (i);
+}
diff --git a/src/ft_strncmp.c b/src/ft_strncmp.c
new file mode 100644
index 0000000..2fa1099
--- /dev/null
+++ b/src/ft_strncmp.c
@@ -0,0 +1,16 @@
+#include "libft.h"
+
+int
+ft_strncmp (const char *s1, const char *s2, size_t n)
+{
+ while (n--)
+ {
+ if ((unsigned char)*s1 != (unsigned char)*s2)
+ return ((unsigned char)*s1 - (unsigned char)*s2);
+ if (*s1 == '\0')
+ return (0);
+ s1++;
+ s2++;
+ }
+ return (0);
+}
diff --git a/src/ft_strnstr.c b/src/ft_strnstr.c
new file mode 100644
index 0000000..23ac891
--- /dev/null
+++ b/src/ft_strnstr.c
@@ -0,0 +1,19 @@
+#include "libft.h"
+
+char *
+ft_strnstr (const char *big, const char *little, size_t len)
+{
+ size_t llen;
+
+ if (*little == '\0')
+ return ((char *)big);
+ llen = ft_strlen (little);
+ while (*big && len >= llen)
+ {
+ if (ft_memcmp (big, little, llen) == 0)
+ return ((char *)big);
+ big++;
+ len--;
+ }
+ return (NULL);
+}
diff --git a/src/ft_strrchr.c b/src/ft_strrchr.c
new file mode 100644
index 0000000..8ec72d1
--- /dev/null
+++ b/src/ft_strrchr.c
@@ -0,0 +1,18 @@
+#include "libft.h"
+
+char *
+ft_strrchr (const char *s, int c)
+{
+ size_t len;
+
+ len = ft_strlen (s);
+ while (len > 0)
+ {
+ if (s[len] == (char)c)
+ return ((char *)s + len);
+ len--;
+ }
+ if (s[0] == (char)c)
+ return ((char *)s);
+ return (NULL);
+}
diff --git a/src/ft_tolower.c b/src/ft_tolower.c
new file mode 100644
index 0000000..52fbc94
--- /dev/null
+++ b/src/ft_tolower.c
@@ -0,0 +1,9 @@
+#include "libft.h"
+
+int
+ft_tolower (int c)
+{
+ if (c >= 'A' && c <= 'Z')
+ return (c + ('a' - 'A'));
+ return (c);
+}
diff --git a/src/ft_toupper.c b/src/ft_toupper.c
new file mode 100644
index 0000000..e52e0fa
--- /dev/null
+++ b/src/ft_toupper.c
@@ -0,0 +1,9 @@
+#include "libft.h"
+
+int
+ft_toupper (int c)
+{
+ if (c >= 'a' && c <= 'z')
+ return (c - ('a' - 'A'));
+ return (c);
+}
generated by cgit v1.2.3 (git 2.46.0) at 2026-04-16 17:57:20 +0000