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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/cal.c
+2 -1
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@@ -92,7 +92,8 @@ int cal_init_file(const char * file, struct cal ** cal_out) {
blksize = lseek(fd, 0, SEEK_END);
if ( blksize == (off_t)-1 )
goto err;
lseek(fd, 0, SEEK_SET);
if ( lseek(fd, 0, SEEK_SET) == (off_t)-1 )
goto err;
#endif
if ( blksize > SSIZE_MAX )
goto err;