From 377e05f4f89bc12aa0112daefdc0270ac49d79f7 Mon Sep 17 00:00:00 2001
From: Alex Kotov <kotovalexarian@gmail.com>
Date: Mon, 30 Nov 2020 23:44:44 +0500
Subject: [PATCH] Remove PFA code

---
 include/kernaux/pfa.h | 45 ---------------------------
 src/pfa.c             | 72 -------------------------------------------
 tests/test_pfa.c      | 27 ----------------
 3 files changed, 144 deletions(-)

diff --git a/include/kernaux/pfa.h b/include/kernaux/pfa.h
index d624008..afde02d 100644
--- a/include/kernaux/pfa.h
+++ b/include/kernaux/pfa.h
@@ -1,55 +1,10 @@
 #ifndef KERNAUX_INCLUDED_PFA
 #define KERNAUX_INCLUDED_PFA 1
 
-#include <kernaux/stdlib.h>
-
-#define KERNAUX_PFA_PAGE_SIZE (4 * 1024)
-#define KERNAUX_PFA_ZONES_COUNT_MAX 10
-#define KERNAUX_PFA_ZONE_NAME_SIZE_MAX 256
-#define KERNAUX_PFA_ZONE_NAME_SLEN_MAX (KERNAUX_PFA_ZONE_NAME_SIZE_MAX - 1)
-#define KERNAUX_PFA_ZONE_PAGES_COUNT_MAX (1024 * 1024)
-#define KERNAUX_PFA_ZONE_PAGE_LIST_SIZE (KERNAUX_PFA_ZONE_PAGES_COUNT_MAX / 8)
-
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-struct KernAux_PFA_Zone {
-    char name[KERNAUX_PFA_ZONE_NAME_SIZE_MAX];
-
-    unsigned long long start;
-    unsigned long long end;
-    unsigned long long size;
-
-    unsigned char pages[KERNAUX_PFA_ZONE_PAGE_LIST_SIZE];
-    unsigned int pages_count;
-};
-
-struct KernAux_PFA {
-    kernaux_bool initialized;
-
-    struct KernAux_PFA_Zone zones[KERNAUX_PFA_ZONES_COUNT_MAX];
-    unsigned int zones_count;
-};
-
-kernaux_bool KernAux_PFA_initialize_start(
-    struct KernAux_PFA *pfa
-)
-__attribute__((nonnull));
-
-kernaux_bool KernAux_PFA_initialize_add_zone(
-    struct KernAux_PFA *pfa,
-    const char *name,
-    unsigned long long start,
-    unsigned long long end
-)
-__attribute__((nonnull));
-
-kernaux_bool KernAux_PFA_initialize_finish(
-    struct KernAux_PFA *pfa
-)
-__attribute__((nonnull));
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/pfa.c b/src/pfa.c
index 0e36ca1..549a5db 100644
--- a/src/pfa.c
+++ b/src/pfa.c
@@ -1,75 +1,3 @@
 #include "config.h"
 
 #include <kernaux/pfa.h>
-#include <kernaux/stdlib.h>
-
-kernaux_bool KernAux_PFA_initialize_start(
-    struct KernAux_PFA *const pfa
-) {
-    if (pfa->initialized) {
-        return KERNAUX_FALSE;
-    }
-
-    for (unsigned long long i = 0; i < sizeof(*pfa); ++i) {
-        *((unsigned char*)pfa + i) = 0;
-    }
-
-    pfa->zones_count = 0;
-
-    return KERNAUX_TRUE;
-}
-
-kernaux_bool KernAux_PFA_initialize_add_zone(
-    struct KernAux_PFA *const pfa,
-    const char *const name,
-    const unsigned long long start,
-    const unsigned long long end
-) {
-    if (pfa->initialized) {
-        return KERNAUX_FALSE;
-    }
-
-    if (pfa->zones_count >= KERNAUX_PFA_ZONES_COUNT_MAX) {
-        return KERNAUX_FALSE;
-    }
-
-    if (start >= end) {
-        return KERNAUX_FALSE;
-    }
-
-    if (start % KERNAUX_PFA_PAGE_SIZE != 0) {
-        return KERNAUX_FALSE;
-    }
-
-    if ((end + 1) % KERNAUX_PFA_PAGE_SIZE != 0) {
-        return KERNAUX_FALSE;
-    }
-
-    const unsigned int name_slen = kernaux_strlen(name);
-
-    if (name_slen > KERNAUX_PFA_ZONE_NAME_SLEN_MAX) {
-        return KERNAUX_FALSE;
-    }
-
-    struct KernAux_PFA_Zone *const zone = &pfa->zones[pfa->zones_count++];
-
-    kernaux_strncpy(zone->name, name, name_slen);
-
-    zone->start = start;
-    zone->end   = end;
-    zone->size  = end - start + 1;
-
-    return KERNAUX_TRUE;
-}
-
-kernaux_bool KernAux_PFA_initialize_finish(
-    struct KernAux_PFA *const pfa
-) {
-    if (pfa->initialized) {
-        return KERNAUX_FALSE;
-    }
-
-    pfa->initialized = KERNAUX_TRUE;
-
-    return KERNAUX_TRUE;
-}
diff --git a/tests/test_pfa.c b/tests/test_pfa.c
index 83b305f..ad60ae7 100644
--- a/tests/test_pfa.c
+++ b/tests/test_pfa.c
@@ -4,32 +4,5 @@
 
 int main()
 {
-    struct KernAux_PFA pfa;
-
-    assert(KernAux_PFA_initialize_start(&pfa));
-
-    assert(KernAux_PFA_initialize_add_zone(
-        &pfa,
-        "foo",
-        0,
-        16 * 1024 * 1024 - 1
-    ));
-
-    assert(KernAux_PFA_initialize_add_zone(
-        &pfa,
-        "bar",
-        16 * 1024 * 1024,
-        896 * 1024 * 1024 - 1
-    ));
-
-    assert(KernAux_PFA_initialize_add_zone(
-        &pfa,
-        "car",
-        896 * 1024 * 1024,
-        (unsigned long long)4 * 1024 * 1024 * 1024 - 1
-    ));
-
-    assert(KernAux_PFA_initialize_finish(&pfa));
-
     return 0;
 }