[Bf-blender-cvs] [d2a4a038906] master: Fix reading directory as file content on Linux
Campbell Barton
noreply at git.blender.org
Mon Jul 15 11:41:42 CEST 2019
Commit: d2a4a038906ab455b7af4e90d6f183d95a6ba10e
Author: Campbell Barton
Date: Mon Jul 15 19:24:59 2019 +1000
Branches: master
https://developer.blender.org/rBd2a4a038906ab455b7af4e90d6f183d95a6ba10e
Fix reading directory as file content on Linux
Reading a directory as a file on Linux was attempting to allocate LONG_MAX,
this happens in template file lists (fix for that coming next).
===================================================================
M source/blender/blenlib/intern/storage.c
===================================================================
diff --git a/source/blender/blenlib/intern/storage.c b/source/blender/blenlib/intern/storage.c
index bdaa7be60cf..39af73ac175 100644
--- a/source/blender/blenlib/intern/storage.c
+++ b/source/blender/blenlib/intern/storage.c
@@ -303,12 +303,24 @@ void *BLI_file_read_text_as_mem(const char *filepath, size_t pad_bytes, size_t *
void *mem = NULL;
if (fp) {
- fseek(fp, 0L, SEEK_END);
+ struct stat st;
+ if (fstat(fileno(fp), &st) == -1) {
+ goto finally;
+ }
+ if (S_ISDIR(st.st_mode)) {
+ goto finally;
+ }
+ if (fseek(fp, 0L, SEEK_END) == -1) {
+ goto finally;
+ }
+ /* Don't use the 'st_size' because it may be the symlink. */
const long int filelen = ftell(fp);
if (filelen == -1) {
goto finally;
}
- fseek(fp, 0L, SEEK_SET);
+ if (fseek(fp, 0L, SEEK_SET) == -1) {
+ goto finally;
+ }
mem = MEM_mallocN(filelen + pad_bytes, __func__);
if (mem == NULL) {
@@ -344,12 +356,24 @@ void *BLI_file_read_binary_as_mem(const char *filepath, size_t pad_bytes, size_t
void *mem = NULL;
if (fp) {
- fseek(fp, 0L, SEEK_END);
+ struct stat st;
+ if (fstat(fileno(fp), &st) == -1) {
+ goto finally;
+ }
+ if (S_ISDIR(st.st_mode)) {
+ goto finally;
+ }
+ if (fseek(fp, 0L, SEEK_END) == -1) {
+ goto finally;
+ }
+ /* Don't use the 'st_size' because it may be the symlink. */
const long int filelen = ftell(fp);
if (filelen == -1) {
goto finally;
}
- fseek(fp, 0L, SEEK_SET);
+ if (fseek(fp, 0L, SEEK_SET) == -1) {
+ goto finally;
+ }
mem = MEM_mallocN(filelen + pad_bytes, __func__);
if (mem == NULL) {
More information about the Bf-blender-cvs
mailing list