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Honour the proper unix environment variable for temporary directory and then try variations

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Con Kolivas 2015-03-10 12:10:50 +11:00
parent 8551a43c73
commit 99ac472095
1 changed files with 10 additions and 3 deletions
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13
lrzip.c
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@ -1262,10 +1262,17 @@ bool initialise_control(rzip_control *control)
if (unlikely(!get_rand(control, control->salt + 2, 6)))
return false;
/* Get Temp Dir */
eptr = getenv("TMP");
if (eptr != NULL) {
/* Get Temp Dir. Try variations on canonical unix environment variable */
eptr = getenv("TMPDIR");
if (!eptr)
eptr = getenv("TMP");
if (!eptr)
eptr = getenv("TEMPDIR");
if (!eptr)
eptr = getenv("TEMP");
if (!eptr) {
size_t len = strlen(eptr);
control->tmpdir = malloc(len+2);
if (control->tmpdir == NULL)
fatal_return(("Failed to allocate for tmpdir\n"), false);