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[blob] Return nullptr from create_from_file_or_fail 

Fix a couple of cases where it would return empty blob, possibly
missed in bdfed8f113.
This commit is contained in:
Khaled Hosny 2022-04-01 02:18:37 +02:00
parent b179d357a9
commit 88bb746b42
1 changed files with 2 additions and 2 deletions
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4
src/hb-blob.cc
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@ -631,7 +631,7 @@ hb_blob_create_from_file_or_fail (const char *file_name)
Allison Lortie permission but changed a lot to suit our need. */
#if defined(HAVE_MMAP) && !defined(HB_NO_MMAP)
hb_mapped_file_t *file = (hb_mapped_file_t *) hb_calloc (1, sizeof (hb_mapped_file_t));
if (unlikely (!file)) return hb_blob_get_empty ();
if (unlikely (!file)) return nullptr;
int fd = open (file_name, O_RDONLY | O_BINARY, 0);
if (unlikely (fd == -1)) goto fail_without_close;
@ -671,7 +671,7 @@ fail_without_close:
#elif defined(_WIN32) && !defined(HB_NO_MMAP)
hb_mapped_file_t *file = (hb_mapped_file_t *) hb_calloc (1, sizeof (hb_mapped_file_t));
if (unlikely (!file)) return hb_blob_get_empty ();
if (unlikely (!file)) return nullptr;
HANDLE fd;
unsigned int size = strlen (file_name) + 1;