From 4c73f89184246244dace0c405894cc10fc53b854 Mon Sep 17 00:00:00 2001
From: _N3m0 <n3m0o7@hotmail.com>
Date: Sat, 30 Dec 2023 23:26:35 +0100
Subject: [PATCH] fragmentation + refactor page in struct

---
 .gitignore |  1 +
 Makefile   |  9 +++---
 config.c   | 20 ++++++++++++
 config.h   | 16 ++++++++++
 main.c     | 91 ++----------------------------------------------------
 page.c     | 61 ++++++++++++++++++++++++++++++++++++
 page.h     | 25 +++++++++++++++
 7 files changed, 130 insertions(+), 93 deletions(-)
 create mode 100644 config.c
 create mode 100644 config.h
 create mode 100644 page.c
 create mode 100644 page.h

diff --git a/.gitignore b/.gitignore
index 8dbfcb7..71246d5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ out
 test.sh
 test.c
 a.out
+*.o
diff --git a/Makefile b/Makefile
index 484deed..b0e912a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,17 +1,18 @@
-SRC=main.c
 BIN=webpage
+SRCS=main.c config.c page.c
+INC=.
 LIB=curl
 FLAGS=-Wall -Wextra -Og -g
 
 all: $(BIN)
 
-$(BIN) : $(SRC)
-	gcc $(FLAGS) -o $(BIN) $(SRC) -l$(LIB)
+$(BIN) : $(SRCS)
+	gcc $(FLAGS) -o $(BIN) $(SRCS) -I$(INC) -l$(LIB)
 
 run : $(BIN)
 	./$(BIN) $(input)
 
 clean :
-	rm $(BIN)
+	rm -f $(BIN) *.o
 
 .PHONY : run clean
diff --git a/config.c b/config.c
new file mode 100644
index 0000000..4b05d5d
--- /dev/null
+++ b/config.c
@@ -0,0 +1,20 @@
+#include "config.h"
+
+UserConfig config = {
+  .port = 443,
+  .addr = "https://github.com/CaptainBoulbi/webpage",
+};
+
+void getUserConfig(int argc, char* argv[]){
+  for (int i=1; i<argc; i++){
+    if (strcmp(argv[i], "-p") == 0){
+      if (argc <= (i+1)){
+        perror("ERROR: Port not defined by user");
+        exit(1);
+      }
+      config.port = atoi(argv[++i]);
+    } else {
+      config.addr = argv[i];
+    }
+  }
+}
diff --git a/config.h b/config.h
new file mode 100644
index 0000000..8b41174
--- /dev/null
+++ b/config.h
@@ -0,0 +1,16 @@
+#ifndef CONFIG_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+typedef struct UserConfig {
+  int port;
+  char* addr;
+} UserConfig;
+
+extern UserConfig config;
+
+void getUserConfig(int argc, char* argv[]);
+
+#endif // CONFIG_H
diff --git a/main.c b/main.c
index 3937e3c..66bd484 100644
--- a/main.c
+++ b/main.c
@@ -1,92 +1,5 @@
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <curl/curl.h>
-#include <assert.h>
-
-#define DEFAULT_PAGE_LEN 16
-
-int pageChunkLen = DEFAULT_PAGE_LEN;
-int nbchunck = 0;
-char** pageChunk;
-
-typedef struct UserConfig {
-  int port;
-  char* addr;
-} UserConfig;
-
-UserConfig config = {
-  .port = 443,
-  .addr = "https://github.com/CaptainBoulbi/webpage",
-};
-
-void getUserConfig(int argc, char* argv[]){
-  for (int i=1; i<argc; i++){
-    if (strcmp(argv[i], "-p") == 0){
-      if (argc <= (i+1)){
-        perror("ERROR: Port not defined by user");
-        exit(1);
-      }
-      config.port = atoi(argv[++i]);
-    } else {
-      config.addr = argv[i];
-    }
-  }
-}
-
-size_t save_chunk(char* buffer, size_t itemsize, size_t nitems, void* ignore){
-  size_t bytes = itemsize * nitems;
-
-  if (nbchunck >= pageChunkLen){
-    pageChunkLen *= 1.5;
-    pageChunk = realloc(pageChunk, sizeof(*pageChunk) * pageChunkLen);
-
-    if (pageChunk == NULL){
-      perror("ERROR: Buy more ram.\n");
-      exit(1);
-    }
-
-    memset(&pageChunk[nbchunck], 0, pageChunkLen - nbchunck);
-  }
-
-  pageChunk[nbchunck] = malloc(bytes+1);
-  pageChunk[nbchunck][bytes] = '\0';
-  strncpy(pageChunk[nbchunck], buffer, bytes);
-  nbchunck++;
-
-  return bytes;
-}
-
-void getPage(void){
-  pageChunk = malloc(sizeof(*pageChunk) * DEFAULT_PAGE_LEN);
-  if (pageChunk == NULL){
-    perror("ERROR: Buy more ram.\n");
-    exit(1);
-  }
-
-  CURL* curl = curl_easy_init();
-  if (curl == NULL){
-    perror("ERROR: curl init failed.\n");
-    exit(1);
-  }
-
-  curl_easy_setopt(curl, CURLOPT_URL, config.addr);
-  curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, save_chunk);
-
-  CURLcode result = curl_easy_perform(curl);
-  if (result != CURLE_OK){
-    fprintf(stderr, "CURL ERROR: %s\n", curl_easy_strerror(result));
-  }
-
-  curl_easy_cleanup(curl);
-}
-
-void printPage(void){
-  for (int i=0; i<nbchunck; i++){
-    printf("%s", pageChunk[i]);
-  }
-}
+#include "config.h"
+#include "page.h"
 
 int main(int argc, char* argv[]){
 
diff --git a/page.c b/page.c
new file mode 100644
index 0000000..4e8b154
--- /dev/null
+++ b/page.c
@@ -0,0 +1,61 @@
+#include "config.h"
+#include "page.h"
+
+PageHTML page = {
+  .chunks = NULL,
+  .cap = DEFAULT_PAGE_LEN,
+  .len = 0,
+};
+
+size_t save_chunk(char* buffer, size_t itemsize, size_t nitems, void* ignore){
+  size_t bytes = itemsize * nitems;
+
+  if (page.len >= page.cap){
+    page.cap *= 1.5;
+    page.chunks = realloc(page.chunks, sizeof(*page.chunks) * page.cap);
+
+    if (page.chunks == NULL){
+      perror("ERROR: Buy more ram.\n");
+      exit(1);
+    }
+
+    memset(&page.chunks[page.len], 0, page.cap - page.len);
+  }
+
+  page.chunks[page.len] = malloc(bytes+1);
+  page.chunks[page.len][bytes] = '\0';
+  strncpy(page.chunks[page.len], buffer, bytes);
+  page.len++;
+
+  return bytes;
+}
+
+void getPage(void){
+  page.chunks = malloc(sizeof(*page.chunks) * DEFAULT_PAGE_LEN);
+  if (page.chunks == NULL){
+    perror("ERROR: Buy more ram.\n");
+    exit(1);
+  }
+
+  CURL* curl = curl_easy_init();
+  if (curl == NULL){
+    perror("ERROR: curl init failed.\n");
+    exit(1);
+  }
+
+  curl_easy_setopt(curl, CURLOPT_URL, config.addr);
+  curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, save_chunk);
+
+  CURLcode result = curl_easy_perform(curl);
+  if (result != CURLE_OK){
+    fprintf(stderr, "CURL ERROR: %s\n", curl_easy_strerror(result));
+  }
+
+  curl_easy_cleanup(curl);
+}
+
+void printPage(void){
+  for (int i=0; i<page.len; i++){
+    printf("%s", page.chunks[i]);
+  }
+}
diff --git a/page.h b/page.h
new file mode 100644
index 0000000..8c05952
--- /dev/null
+++ b/page.h
@@ -0,0 +1,25 @@
+#ifndef PAGE_H
+#define PAGE_H
+
+#include <stdlib.h>
+#include <string.h>
+#include <curl/curl.h>
+
+
+#define DEFAULT_PAGE_LEN 16
+
+typedef struct PageHTML {
+  char** chunks;
+  int cap;
+  int len;
+} PageHTML;
+
+extern PageHTML page;
+
+size_t save_chunk(char* buffer, size_t itemsize, size_t nitems, void* ignore);
+
+void getPage(void);
+
+void printPage(void);
+
+#endif // PAGE_H