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authorXavier Chantry <shiningxc@gmail.com>2008-11-15 10:10:56 +0100
committerDan McGee <dan@archlinux.org>2009-01-12 22:40:15 -0600
commit8017b0bb8ec5364f8a3999caffc6b3c3ea991810 (patch)
treea3218faf2cd68eb82b39d8fb3a8f5325fbcdead2
parent4ec846f5ac79497483c90eb52ced30164d9c0c1e (diff)
Remove libdownload support and fix libfetch one.
Aaron said to consider libdownload a dead project so libdownload support was removed to more easily fix libfetch one (otherwise many ifdef needed). There was no direct replacement for ferror to detect an error while downloading. So instead, I added a check at the end to see if the file was fully downloaded, which is just a small chunk of code taken from here: http://cvsweb.netbsd.org/bsdweb.cgi/pkgsrc/net/libfetch/files/fetch.c?only_with_tag=MAIN Signed-off-by: Xavier Chantry <shiningxc@gmail.com> Signed-off-by: Dan McGee <dan@archlinux.org>
-rw-r--r--configure.ac15
-rw-r--r--lib/libalpm/dload.c37
-rw-r--r--lib/libalpm/error.c5
3 files changed, 23 insertions, 34 deletions
diff --git a/configure.ac b/configure.ac
index 2c655c71..2e7f433f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -93,9 +93,9 @@ AC_ARG_WITH(buildscript,
AS_HELP_STRING([--with-buildscript=name], [set the build script name used by makepkg]),
[BUILDSCRIPT=$withval], [BUILDSCRIPT=PKGBUILD])
-# Help line for libdownload/libfetch
+# Help line for libfetch
AC_ARG_ENABLE(internal-download,
- AS_HELP_STRING([--disable-internal-download], [do not build with libdownload/libfetch support]),
+ AS_HELP_STRING([--disable-internal-download], [do not build with libfetch support]),
[internaldownload=$enableval], [internaldownload=yes])
# Help line for documentation
@@ -136,17 +136,14 @@ AM_GNU_GETTEXT_VERSION(0.13.1)
AC_CHECK_LIB([archive], [archive_read_data], ,
AC_MSG_ERROR([libarchive is needed to compile pacman!]))
-# Enable or disable usage of libdownload/libfetch
-# - this is a nested check- first see if we need a library, if we do then
-# check for libdownload first, then fallback to libfetch, then die
-AC_MSG_CHECKING(whether to link with download library)
+# Enable or disable usage of libfetch
+AC_MSG_CHECKING(whether to link with libfetch)
if test "x$internaldownload" = "xyes" ; then
AC_MSG_RESULT(yes)
AC_DEFINE([INTERNAL_DOWNLOAD], , [Use internal download library])
# Check for a download library if it was actually requested
- AC_CHECK_LIB([download], [downloadParseURL], ,
- AC_CHECK_LIB([fetch], [fetchParseURL], ,
- AC_MSG_ERROR([libdownload or libfetch are needed to compile with internal download support])) )
+ AC_CHECK_LIB([fetch], [fetchParseURL], ,
+ AC_MSG_ERROR([libfetch is needed to compile with internal download support]) )
else
AC_MSG_RESULT(no)
fi
diff --git a/lib/libalpm/dload.c b/lib/libalpm/dload.c
index 06f643f7..5b0a691f 100644
--- a/lib/libalpm/dload.c
+++ b/lib/libalpm/dload.c
@@ -34,15 +34,7 @@
#include <sys/param.h> /* MAXHOSTNAMELEN */
#endif
-#if defined(HAVE_LIBDOWNLOAD)
-#include <download.h>
-#define fetchFreeURL downloadFreeURL
-#define fetchLastErrCode downloadLastErrCode
-#define fetchLastErrString downloadLastErrString
-#define fetchParseURL downloadParseURL
-#define fetchTimeout downloadTimeout
-#define fetchXGet downloadXGet
-#elif defined(HAVE_LIBFETCH)
+#if defined(INTERNAL_DOWNLOAD)
#include <fetch.h>
#endif
@@ -109,7 +101,8 @@ static struct url *url_for_string(const char *url)
static int download_internal(const char *url, const char *localpath,
time_t mtimeold, time_t *mtimenew) {
- FILE *dlf, *localf = NULL;
+ fetchIO *dlf = NULL;
+ FILE *localf = NULL;
struct url_stat ust;
struct stat st;
int chk_resume = 0, ret = 0;
@@ -214,16 +207,8 @@ static int download_internal(const char *url, const char *localpath,
handle->dlcb(filename, 0, ust.size);
}
- while((nread = fread(buffer, 1, PM_DLBUF_LEN, dlf)) > 0) {
+ while((nread = fetchIO_read(dlf, buffer, PM_DLBUF_LEN)) > 0) {
size_t nwritten = 0;
- if(ferror(dlf)) {
- pm_errno = PM_ERR_LIBFETCH;
- _alpm_log(PM_LOG_ERROR, _("error downloading '%s': %s\n"),
- filename, fetchLastErrString);
- ret = -1;
- goto cleanup;
- }
-
while(nwritten < nread) {
nwritten += fwrite(buffer, 1, (nread - nwritten), localf);
if(ferror(localf)) {
@@ -239,12 +224,22 @@ static int download_internal(const char *url, const char *localpath,
handle->dlcb(filename, dl_thisfile, ust.size);
}
}
+
+ /* did the transfer complete normally? */
+ if (ust.size != -1 && dl_thisfile < ust.size) {
+ pm_errno = PM_ERR_LIBFETCH;
+ _alpm_log(PM_LOG_ERROR, _("%s appears to be truncated: %jd/%jd bytes\n"),
+ filename, (intmax_t)dl_thisfile, (intmax_t)ust.size);
+ ret = -1;
+ goto cleanup;
+ }
+
/* probably safer to close the file descriptors now before renaming the file,
* for example to make sure the buffers are flushed.
*/
fclose(localf);
localf = NULL;
- fclose(dlf);
+ fetchIO_close(dlf);
dlf = NULL;
rename(tempfile, destfile);
@@ -260,7 +255,7 @@ cleanup:
fclose(localf);
}
if(dlf != NULL) {
- fclose(dlf);
+ fetchIO_close(dlf);
}
fetchFreeURL(fileurl);
return(ret);
diff --git a/lib/libalpm/error.c b/lib/libalpm/error.c
index 80a4fb1a..df93cb7d 100644
--- a/lib/libalpm/error.c
+++ b/lib/libalpm/error.c
@@ -30,10 +30,7 @@
#include <sys/param.h> /* MAXHOSTNAMELEN */
#endif
-#if defined(HAVE_LIBDOWNLOAD)
-#include <download.h> /* downloadLastErrString */
-#define fetchLastErrString downloadLastErrString
-#elif defined(HAVE_LIBFETCH)
+#if defined(INTERNAL_DOWNLOAD)
#include <fetch.h> /* fetchLastErrString */
#endif