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Further cleanup, fixed bad alloc.

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This commit is contained in:
Michael Jumper
2010-09-06 16:55:58 -07:00
parent f20fa375ad
commit 106df930d6
2 changed files with 36 additions and 19 deletions
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2
guacamole/proxy/guacio.c
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@@ -3,8 +3,6 @@
#include <unistd.h>
#include <stdio.h>
#include <png.h>
#include "guacio.h"
char __GUACIO_BAS64_CHARACTERS[64] = {

53
guacamole/proxy/proxy.c
View File

@@ -12,17 +12,17 @@
char __guac_password[] = "potato";
char* __GUAC_VNC_TAG_IO = "GUACIO";
char* __GUAC_VNC_TAG_PNG_ROWS = "PNG_ROWS";
char* __GUAC_VNC_TAG_PNG_BUFFER = "PNG_BUFFER";
void guac_vnc_update(rfbClient* client, int x, int y, int w, int h) {
int dx, dy;
GUACIO* io = rfbClientGetClientData(client, __GUAC_VNC_TAG_IO);
png_byte** png_rows = rfbClientGetClientData(client, __GUAC_VNC_TAG_PNG_ROWS);
png_byte** png_buffer = rfbClientGetClientData(client, __GUAC_VNC_TAG_PNG_BUFFER);
png_byte* row;
png_byte** png_row_current = png_rows;
png_byte** png_row_current = png_buffer;
unsigned int bpp = client->format.bitsPerPixel/8;
unsigned int bytesPerRow = bpp * client->width;
@@ -62,7 +62,7 @@ void guac_vnc_update(rfbClient* client, int x, int y, int w, int h) {
}
}
guac_send_png(io, x, y, png_rows, w, h);
guac_send_png(io, x, y, png_buffer, w, h);
guac_flush(io);
}
@@ -87,15 +87,41 @@ char* guac_vnc_get_password(rfbClient* client) {
return password;
}
png_byte** guac_alloc_png_buffer(int w, int h) {
png_byte** png_buffer;
png_byte* row;
int y;
/* Allocate rows for PNG */
png_buffer = (png_byte**) malloc(h * sizeof(png_byte*));
for (y=0; y<h; y++) {
row = (png_byte*) malloc(sizeof(png_byte) * 3 * w);
png_buffer[y] = row;
}
return png_buffer;
}
void guac_free_png_buffer(png_byte** png_buffer, int h) {
int y;
/* Free PNG data */
for (y = 0; y<h; y++)
free(png_buffer[y]);
free(png_buffer);
}
void proxy(int client_fd) {
char* hostname;
int wait_result;
rfbClient* rfb_client;
png_byte** png_rows;
png_byte* row;
int y;
png_byte** png_buffer;
GUACIO* io = guac_open(client_fd);
@@ -120,16 +146,11 @@ void proxy(int client_fd) {
fprintf(stderr, "SUCCESS.\n");
}
/* Allocate rows for PNG */
png_rows = (png_byte**) malloc(rfb_client->height * sizeof(png_byte*));
for (y=0; y<rfb_client->width; y++) {
row = (png_byte*) malloc(sizeof(png_byte) * 3 * rfb_client->width);
png_rows[y] = row;
}
png_buffer = guac_alloc_png_buffer(rfb_client->width, rfb_client->height);
/* Store Guac data in client */
rfbClientSetClientData(rfb_client, __GUAC_VNC_TAG_IO, io);
rfbClientSetClientData(rfb_client, __GUAC_VNC_TAG_PNG_ROWS, png_rows);
rfbClientSetClientData(rfb_client, __GUAC_VNC_TAG_PNG_BUFFER, png_buffer);
/* Send name */
guac_send_name(io, rfb_client->desktopName);
@@ -158,9 +179,7 @@ void proxy(int client_fd) {
}
/* Free PNG data */
for (y = 0; y<rfb_client->height; y++)
free(png_rows[y]);
free(png_rows);
guac_free_png_buffer(png_buffer, rfb_client->height);
/* Clean up VNC client*/