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[iso] notify if the file size on disk is smaller than expected ISO size

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* Closes #963
* Also fix a potential issue with Notification()
This commit is contained in:
Pete Batard 2017-06-24 17:23:06 +01:00
parent 390c134b7a
commit 150be52479
8 changed files with 46 additions and 7 deletions
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7
src/iso.c
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@ -651,6 +651,7 @@ BOOL ExtractISO(const char* src_iso, const char* dest_dir, BOOL scan)
FILE* fd;
int r = 1;
iso9660_t* p_iso = NULL;
iso9660_pvd_t pvd;
udf_t* p_udf = NULL;
udf_dirent_t* p_udf_root;
char *tmp, *buf, *ext;
@ -705,6 +706,8 @@ BOOL ExtractISO(const char* src_iso, const char* dest_dir, BOOL scan)
if (scan_only) {
if (udf_get_logical_volume_id(p_udf, img_report.label, sizeof(img_report.label)) <= 0)
img_report.label[0] = 0;
// Open the UDF as ISO so that we can perform size checks
p_iso = iso9660_open(src_iso);
}
r = udf_extract_files(p_udf, p_udf_root, "");
goto out;
@ -746,6 +749,10 @@ try_iso:
out:
iso_blocking_status = -1;
if (scan_only) {
struct __stat64 stat;
// Find if there is a mismatch between the ISO size, as reported by the PVD, and the actual file size
if ((iso9660_ifs_read_pvd(p_iso, &pvd)) && (_stat64U(src_iso, &stat) == 0))
img_report.mismatch_size = (int64_t)(iso9660_get_pvd_space_size(&pvd)) * ISO_BLOCKSIZE - stat.st_size;
// Remove trailing spaces from the label
for (j=safe_strlen(img_report.label)-1; ((j>0)&&(isspaceU(img_report.label[j]))); j--)
img_report.label[j] = 0;