lib: Add mlibc

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 107 insertions, 0 deletions

diff --git a/lib/mlibc/options/ansi/include/string.h b/lib/mlibc/options/ansi/include/string.h
new file mode 100644
index 0000000..5297e36
--- /dev/null
+++ b/lib/mlibc/options/ansi/include/string.h
@@ -0,0 +1,107 @@
+#ifndef _STRING_H
+#define _STRING_H
+
+#include <mlibc-config.h>
+#include <bits/null.h>
+#include <bits/size_t.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+// [7.24.2] Copying functions
+
+void *memcpy(void *__restrict dest, const void *__restrict src, size_t size);
+void *memmove(void *dest, const void *src, size_t size);
+char *strcpy(char *__restrict dest, const char *src);
+char *strncpy(char *__restrict dest, const char *src, size_t max_size);
+
+// [7.24.3] Concatenation functions
+
+char *strcat(char *__restrict dest, const char *__restrict src);
+char *strncat(char *__restrict dest, const char *__restrict src, size_t max_size);
+
+// [7.24.4] Comparison functions
+
+int memcmp(const void *a, const void *b, size_t size);
+int strcmp(const char *a, const char *b);
+int strcoll(const char *a, const char *b);
+int strncmp(const char *a, const char *b, size_t max_size);
+size_t strxfrm(char *__restrict dest, const char *__restrict src, size_t max_size);
+
+// [7.24.5] Search functions
+
+void *memchr(const void *s, int c, size_t size);
+char *strchr(const char *s, int c);
+size_t strcspn(const char *s, const char *chrs);
+char *strpbrk(const char *s, const char *chrs);
+char *strrchr(const char *s, int c);
+size_t strspn(const char *s, const char *chrs);
+char *strstr(const char *pattern, const char *s);
+char *strtok(char *__restrict s, const char *__restrict delimiter);
+
+// This is a GNU extension.
+char *strchrnul(const char *, int);
+
+// [7.24.6] Miscellaneous functions
+
+void *memset(void *dest, int c, size_t size);
+char *strerror(int errnum);
+size_t strlen(const char *s);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#if __MLIBC_POSIX_OPTION && (defined(_BSD_SOURCE) || defined(_GNU_SOURCE))
+#include <strings.h>
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+// POSIX extensions.
+int strerror_r(int, char *, size_t);
+void *mempcpy(void *, const void *, size_t);
+
+// GNU extensions.
+int strverscmp(const char *l0, const char *r0);
+int ffsl(long i);
+int ffsll(long long i);
+void *memmem(const void *, size_t, const void *, size_t);
+
+/* Handling the basename mess:
+ * If <libgen.h> is included *at all*, we use the XPG-defined basename
+ * implementation, otherwise, we use the GNU one. Since our ABI previously
+ * provided the XPG one under basename, we'll have to diverge from GNU here and
+ * provide __mlibc_gnu_basename instead.
+ */
+#if __MLIBC_GLIBC_OPTION && defined(_GNU_SOURCE) && !defined(basename)
+char *__mlibc_gnu_basename_c(const char *path);
+
+# ifdef __cplusplus
+extern "C++" {
+static inline const char *__mlibc_gnu_basename(const char *path) {
+	return __mlibc_gnu_basename_c(path);
+}
+static inline char *__mlibc_gnu_basename(char *path) {
+	return __mlibc_gnu_basename_c(path);
+}
+}
+# else
+#  define __mlibc_gnu_basename __mlibc_gnu_basename_c
+# endif
+
+#define basename __mlibc_gnu_basename
+#endif
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#if __MLIBC_POSIX_OPTION
+#	include <bits/posix/posix_string.h>
+#endif
+
+#endif // _STRING_H