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all: Check for return value of lseek

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Pali Rohár committed 2016-01-10 14:29:18 +01:00
1 parent 1ee86c05f4
commit b7f80de25d
5 files changed
+47 -9
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src/fiasco.c
+4 -1
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@@ -218,6 +218,8 @@ struct fiasco * fiasco_alloc_from_file(const char * file) {
READ_OR_RETURN(fiasco, buf, 1);
offset = lseek(fiasco->fd, 0, SEEK_CUR);
if ( offset == (off_t)-1 )
FIASCO_READ_ERROR(fiasco, "Cannot get offset of file");
VERBOSE(" version: %s\n", version);
VERBOSE(" device: %s\n", device);
@@ -231,7 +233,8 @@ struct fiasco * fiasco_alloc_from_file(const char * file) {
fiasco_add_image(fiasco, image);
lseek(fiasco->fd, offset+length, SEEK_SET);
if ( lseek(fiasco->fd, offset+length, SEEK_SET) == (off_t)-1 )
FIASCO_READ_ERROR(fiasco, "Cannot seek to next image in file");
}