user: implement mlibc as the libc, finally.

It's finally done.. Signed-off-by: kaguya <vpshinomiya@protonmail.com>
2026-05-02 03:31:49 -04:00
parent 2fa39ad85a
commit 9a9b91c940
2387 changed files with 152741 additions and 315 deletions
@@ -0,0 +1,112 @@
+#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 * __s, int __c);
+
+/* [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(_DEFAULT_SOURCE)
+#include <strings.h>
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+/* POSIX extensions. */
+#if defined(_GNU_SOURCE)
+char *strerror_r(int __errnum, char *__buffer, size_t __size) __asm__("__gnu_strerror_r");
+#else
+int strerror_r(int __errnum, char *__buffer, size_t __size);
+#endif
+
+void *mempcpy(void *__dest, const void *__src, size_t __size);
+
+/* GNU extensions. */
+int strverscmp(const char *__l0, const char *__r0);
+int ffsl(long __i);
+int ffsll(long long __i);
+void *memmem(const void *__haystack, size_t __haystacklen, const void *__needle, size_t __needlelen);
+
+/* 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 */