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authorDoug Zongker <dougz@android.com>2009-09-19 00:49:37 +0200
committerAndroid Git Automerger <android-git-automerger@android.com>2009-09-19 00:49:37 +0200
commitd16fb221cd27abea8a954bd5f6554fa116366519 (patch)
tree3539ae744cf639ca10bdcf90db0bc2d0e016812e /updater/install.c
parentam 196c25c7: don\'t complain if recovery icon is short (diff)
parentdelete files before symlinking; log error messages (diff)
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Diffstat (limited to 'updater/install.c')
-rw-r--r--updater/install.c24
1 files changed, 21 insertions, 3 deletions
diff --git a/updater/install.c b/updater/install.c
index ad895569e..aa80d7576 100644
--- a/updater/install.c
+++ b/updater/install.c
@@ -86,6 +86,8 @@ char* MountFn(const char* name, State* state, int argc, Expr* argv[]) {
} else {
if (mount(location, mount_point, type,
MS_NOATIME | MS_NODEV | MS_NODIRATIME, "") < 0) {
+ fprintf(stderr, "%s: failed to mount %s at %s: %s\n",
+ name, location, mount_point, strerror(errno));
result = strdup("");
} else {
result = mount_point;
@@ -348,6 +350,7 @@ char* PackageExtractFileFn(const char* name, State* state,
// symlink target src1 src2 ...
+// unlinks any previously existing src1, src2, etc before creating symlinks.
char* SymlinkFn(const char* name, State* state, int argc, Expr* argv[]) {
if (argc == 0) {
return ErrorAbort(state, "%s() expects 1+ args, got %d", name, argc);
@@ -364,7 +367,16 @@ char* SymlinkFn(const char* name, State* state, int argc, Expr* argv[]) {
int i;
for (i = 0; i < argc-1; ++i) {
- symlink(target, srcs[i]);
+ if (unlink(srcs[i]) < 0) {
+ if (errno != ENOENT) {
+ fprintf(stderr, "%s: failed to remove %s: %s\n",
+ name, srcs[i], strerror(errno));
+ }
+ }
+ if (symlink(target, srcs[i]) < 0) {
+ fprintf(stderr, "%s: failed to symlink %s to %s: %s\n",
+ name, srcs[i], target, strerror(errno));
+ }
free(srcs[i]);
}
free(srcs);
@@ -424,8 +436,14 @@ char* SetPermFn(const char* name, State* state, int argc, Expr* argv[]) {
}
for (i = 3; i < argc; ++i) {
- chown(args[i], uid, gid);
- chmod(args[i], mode);
+ if (chown(args[i], uid, gid) < 0) {
+ fprintf(stderr, "%s: chown of %s to %d %d failed: %s\n",
+ name, args[i], uid, gid, strerror(errno));
+ }
+ if (chmod(args[i], mode) < 0) {
+ fprintf(stderr, "%s: chmod of %s to %o failed: %s\n",
+ name, args[i], mode, strerror(errno));
+ }
}
}
result = strdup("");