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Description: Test if environment variable "HOME" exist
Author: Jörg Frings-Fürst <debian@jff-webhosting.net>
Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=786452
Forwarded: https://alioth.debian.org/tracker/index.php?func=detail&aid=315071&group_id=30186&atid=410366
Last-Update: 2015-05-22
---
This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
Index: trunk/backend/artec_eplus48u.c
===================================================================
--- trunk.orig/backend/artec_eplus48u.c
+++ trunk/backend/artec_eplus48u.c
@@ -3580,6 +3580,14 @@ load_calibration_data (Artec48U_Scanner
s->calibrated = SANE_FALSE;
path[0] = 0;
+
+ /* return SANE_STATUS_INVAL if HOME environment variable is not set */
+ if (getenv ("HOME") == NULL)
+ {
+ XDBG ((1, "Environment variable HOME not set\n"));
+ return SANE_STATUS_INVAL;
+ }
+
if (strlen (getenv ("HOME")) < (PATH_MAX - 1))
strcat (path, getenv ("HOME"));
else
@@ -3690,6 +3698,14 @@ save_calibration_data (Artec48U_Scanner
mode_t mode = S_IRUSR | S_IWUSR;
path[0] = 0;
+
+ /* return SANE_STATUS_INVAL if HOME environment variable is not set */
+ if (getenv ("HOME") == NULL)
+ {
+ XDBG ((1, "Environment variable HOME not set\n"));
+ return SANE_STATUS_INVAL;
+ }
+
if (strlen (getenv ("HOME")) < (PATH_MAX - 1))
strcat (path, getenv ("HOME"));
else
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