libc: Make fread/fwrite return the number of items read/written instead of the number of bytes

libs/libc/src/file.cpp

@@ -136,7 +136,7 @@ extern "C"
             return 0;
         }
         if (status == 0) stream->f_eof = 1;
-        return (size_t)status;
+        return (size_t)status / size;
     }
 
     char* fgets(char* buf, int size, FILE* stream)
@@ -257,9 +257,7 @@ extern "C"
 
     long ftell(FILE* stream)
     {
-        return lseek(stream->f_fd, 0,
+        return lseek(stream->f_fd, 0, SEEK_CUR);
-                     SEEK_CUR); // FIXME: Store the last seeked position in the file struct to avoid redundant syscalls
-                                // maybe? We'd have to update this value in fread() and fwrite() as well...
     }
 
     off_t ftello(FILE* stream)
@@ -290,7 +288,7 @@ extern "C"
             return 0;
         }
         if (status == 0) stream->f_eof = 1;
-        return (size_t)status;
+        return (size_t)status / size;
     }
 
     void setbuf(FILE*, char*)

libs/libc/src/strings.cpp

@@ -2,7 +2,7 @@
 #include <string.h>
 #include <strings.h>
 
-static char fold(char c)
+static char lowercase(char c)
 {
     if (isalpha(c)) return (char)tolower(c);
     return c;
@@ -22,22 +22,22 @@ extern "C"
 
     int strcasecmp(const char* a, const char* b)
     {
-        while (*a && (fold(*a) == fold(*b)))
+        while (*a && (lowercase(*a) == lowercase(*b)))
         {
             a++;
             b++;
         }
-        return (unsigned char)fold(*a) - (unsigned char)fold(*b);
+        return (unsigned char)lowercase(*a) - (unsigned char)lowercase(*b);
     }
 
     int strncasecmp(const char* a, const char* b, size_t max)
     {
         const char* base = a;
-        while (*a && (fold(*a) == fold(*b)) && (size_t)(a - base) < (max - 1))
+        while (*a && (lowercase(*a) == lowercase(*b)) && (size_t)(a - base) < (max - 1))
         {
             a++;
             b++;
         }
-        return (unsigned char)fold(*a) - (unsigned char)fold(*b);
+        return (unsigned char)lowercase(*a) - (unsigned char)lowercase(*b);
     }
 }