- some pld.org.pl->pld-linux.org cosmetics

[packages/dillo.git] / dillo-gzip_fallback.patch

--- dillo-0.7.2/src/IO/file.c.orig	Sun May  4 12:33:54 2003
+++ dillo-0.7.2/src/IO/file.c	Sun May  4 12:57:50 2003
@@ -29,6 +29,7 @@
 #include <stdio.h>
 #include <signal.h>
 #include <math.h>            /* for rint */
+#include <zlib.h>
 
 #include <errno.h>           /* for errno */
 #include "Url.h"
@@ -62,11 +63,12 @@
    gint FD;         /* Our local-file descriptor */
    char *FileName;
    glong FileSize;
+   gint ContentEncoding; /* 0 normal, 1 gzipped */
 
    pthread_t th1;      /* This transfer's thread id. */
 } DilloFile;
 
-
+#define GZIP_ENCODING 1
 
 /*
  * Local data
@@ -120,17 +122,28 @@
 {
    gint fds[2], fd;
    struct stat sb;
+   gint ContentEncoding; /* 0 normal, 1 gzipped */
    DilloFile *Dfile;
 
-   if ( (fd = open(filename, O_RDONLY)) < 0 || pipe(fds) )
+   if ( (fd = open(filename, O_RDONLY)) < 0 || pipe(fds) ) {
       return NULL;
-
+   }
+   if (strncmp(strrchr(filename, '.'), ".gz", 3) == 0)
+	   ContentEncoding = GZIP_ENCODING;
    Dfile = g_new(DilloFile, 1);
    Dfile->FD_Read  = fds[0];
    Dfile->FD_Write = fds[1];
    Dfile->FD = fd;
    Dfile->FileName = g_strdup(filename);
-   Dfile->FileSize = fstat(fd, &sb) ? -1 : (glong) sb.st_size;
+   if (ContentEncoding == GZIP_ENCODING) {
+      gchar *tmp_filename = g_strndup(filename, strlen(filename) - 3);
+      g_free(tmp_filename);
+      Dfile->FileSize = -1;
+   }
+   else {
+      Dfile->FileSize = fstat(fd, &sb) ? -1 : (glong) sb.st_size;
+   }
+   Dfile->ContentEncoding = ContentEncoding;
 
    return Dfile;
 }
@@ -194,6 +207,7 @@
    DilloFile *Dfile = data;
    ssize_t nbytes;
    const gchar *ct;
+   gzFile gzdata;
 
    /* Set this thread to detached state */
    pthread_detach(Dfile->th1);
@@ -221,12 +235,23 @@
    write(Dfile->FD_Write, buf, strlen(buf));
 
 
-   /* Append raw file contents */
-   while ( (nbytes = read(Dfile->FD, buf, 8192)) != 0 ) {
-      write(Dfile->FD_Write, buf, nbytes);
+   /* decompress gzipped file */
+   if (Dfile->ContentEncoding == GZIP_ENCODING) {
+      gzdata = gzdopen(Dfile->FD, "r");
+      while ((nbytes = gzread(gzdata, buf, 8192)) != 0 ) {
+         write(Dfile->FD_Write, buf, nbytes);
+      }
+      gzclose(gzdata);
    }
+   else {
+   /* Append raw file contents */
+      while ( (nbytes = read(Dfile->FD, buf, 8192)) != 0 ) {
+         write(Dfile->FD_Write, buf, nbytes);
+      }
+
 
    close(Dfile->FD);
+   }
    close(Dfile->FD_Write);
    File_dillofile_free(Dfile);
    return NULL;
@@ -339,7 +364,7 @@
 static void File_get(ChainLink *Info, void *Data1, void *Data2)
 {
    const gchar *path;
-   gchar *filename;
+   gchar *filename, *tmp_filename;
    gint fd;
    struct stat sb;
    const DilloUrl *Url = Data1;
@@ -353,8 +378,15 @@
       filename = g_strdup(g_get_home_dir());
    else
       filename = a_Url_parse_hex_path(Url);
-
+stat_point:
    if ( stat(filename, &sb) != 0 ) {
+      char *ext = strrchr(filename, '.');
+      if (ext && strcmp(ext, ".gz") != 0) {
+         tmp_filename = filename;
+         filename = g_strconcat(tmp_filename, ".gz", NULL);
+         g_free(tmp_filename);
+         goto stat_point;
+      }
       /* stat failed, prepare a file-not-found error. */
       fd = -2;
    } else if (S_ISDIR(sb.st_mode)) {