1 files changed, 261 insertions, 0 deletions
diff --git a/src/couchdb/curlhelper.c b/src/couchdb/curlhelper.c
new file mode 100644
index 00000000..99b2e6ab
--- /dev/null
+++ b/src/couchdb/curlhelper.c
@@ -0,0 +1,261 @@
+/*
+
+Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+this file except in compliance with the License.  You may obtain a copy of the
+License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software distributed
+under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+CONDITIONS OF ANY KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations under the License.
+
+*/
+
+#include <stdlib.h>
+#include <stdio.h>
+#include "curlhelper.h"
+
+#define TRUE 1
+#define FALSE 0
+
+Buffer init_Buffer() {
+  Buffer b;
+
+  if((b = (Buffer)malloc(sizeof(char*) + sizeof(int)*2)) == NULL) {
+    return NULL;
+  }
+
+  b->count = 0;
+  b->capacity = 50;
+
+  if(b->data = (char*)malloc(sizeof(char)*b->capacity)) {
+    return b;
+  } else {
+    return NULL;
+  }
+}
+
+void free_Buffer(Buffer b) {
+  if(b == NULL) 
+    return;
+  if(b->data != NULL)
+    free(b->data);
+  free(b);
+}
+
+int append_Buffer(Buffer b, char* c, int length) {
+  int capacity_changed;
+  int new_count;
+
+  capacity_changed = FALSE;
+  new_count = b->count + length;
+
+  if(new_count > b->capacity) {
+    capacity_changed = TRUE;
+    b->capacity *= 2;
+  }
+
+  while(new_count > b->capacity) {
+    b->capacity *= 2;
+  }
+
+  if(capacity_changed) {
+    if((b->data = (char*)realloc(b->data,b->capacity)) == NULL) {
+      return FALSE;
+    }
+  }
+
+  int i;
+
+  for(i = 0;i < length;i++) {
+    *(b->data + b->count + i) = *(c + i);
+  }
+
+  b->count = new_count;
+
+  return TRUE;
+}
+
+char* toString_Buffer(Buffer b) {
+  char* result;
+
+  if((result = (char*)malloc(sizeof(char)*(b->count+1))) == NULL) {
+    return NULL;
+  }
+
+  result[b->count] = '\0';
+
+  int i;
+
+  for(i = 0;i < b->count;i++) {
+    result[i] = b->data[i];
+  }
+
+  return result;
+}
+
+int print_Buffer(Buffer b) {
+  char* c;
+
+  if((c = toString_Buffer(b)) == NULL) {
+    return FALSE;
+  }
+
+  printf("%s\n",c);
+
+  free(c);
+
+  return TRUE;
+}
+
+
+int shrink_Buffer(Buffer b) {
+  b->capacity = b->count;
+
+  if((b->data = realloc(b->data,sizeof(char)*b->capacity)) == NULL) {
+    return FALSE;
+  } else {
+    return TRUE;
+  }
+}
+
+void copy_Buffer(Buffer b, char* c, int pos, int length) {
+  if((pos + length) > b->count)
+    return;
+
+  int i;
+
+  for(i = 0; i < length;i++) {
+    *(c + i) = *(b->data + pos + i);
+  }
+}
+
+
+List init_List(int capacity) {
+  if(capacity < 5)
+    capacity = 5;
+
+  List l;
+
+  if((l = (List)malloc(sizeof(void**)+sizeof(int)*2)) == NULL) {
+    return NULL;
+  }
+
+  l->count = 0;
+  l->capacity = capacity;
+
+  if((l->elements = (void**)malloc(sizeof(void*)*l->capacity)) == NULL) {
+    return NULL;
+  }
+
+  return l;
+}
+
+void free_List(List l) {
+  if(l == NULL)
+    return;
+  if(l->elements != NULL)
+    free(l->elements);
+  free(l);
+}
+
+void* get_List(List l, int pos) {
+  if(pos > (l->count - 1)) {
+    return NULL;
+  }
+  return *(l->elements + pos);
+}
+
+void* pull_List(List l) {
+  void* r = *(l->elements);
+
+  int i;
+
+  for(i = 1; i < (l->count-1);i++) {
+    l->elements[i] = l->elements[i+1];
+  }
+  l->count -= 1;
+  return r;
+}
+
+int set_List(List l, int pos, void* ptr) {
+  if(pos > (l->count - 1)) {
+    return FALSE;
+  }
+
+  *(l->elements + pos) = ptr;
+   
+  return TRUE;
+}
+
+int append_List(List l, void* ptr, int length) {
+  int capacity_changed;
+  int new_count;
+
+  capacity_changed = FALSE;
+  new_count = l->count + length;
+
+  if(new_count > l->capacity) {
+    capacity_changed = TRUE;
+    l->capacity *= 2;
+  }
+
+  while(new_count > l->capacity) {
+    l->capacity *= 2;
+  }
+
+  if(capacity_changed) {
+    if((l->elements = (void*)realloc(l->elements,l->capacity)) == NULL) {
+      return FALSE;
+    }
+  }
+
+  int i;
+
+  for(i = 0;i < length;i++) {
+    *(l->elements + l->count + i) = ptr + i;
+  }
+
+  l->count = new_count;
+
+  return TRUE;
+}
+
+int push_List(List l, void* ptr, int length) {
+  int capacity_changed;
+  int new_count;
+
+  capacity_changed = FALSE;
+  new_count = l->count + length;
+
+  if(new_count > l->capacity) {
+    capacity_changed = TRUE;
+    l->capacity *= 2;
+  }
+
+  while(new_count > l->capacity) {
+    l->capacity *= 2;
+  }
+
+  if(capacity_changed) {
+    if((l->elements = (void*)realloc(l->elements,l->capacity)) == NULL) {
+      return FALSE;
+    }
+  }
+
+  int i;
+
+  for(i = 0;i < length;i++) {
+    *(l->elements + l->count + i) = *(l->elements + i);
+  }
+
+  for(i = 0;i < length;i++) {
+    *(l->elements + i) = ptr+i;
+  }
+
+  l->count = new_count;
+
+  return TRUE;
+}