Signed-off-by: Jason Gerecke <[email protected]>
---
tools/xsetwacom.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/tools/xsetwacom.c b/tools/xsetwacom.c
index fdecfb9..276f7dd 100644
--- a/tools/xsetwacom.c
+++ b/tools/xsetwacom.c
@@ -1210,7 +1210,10 @@ static char** strjoinsplit(int argc, char **argv, int
*nwords)
for (tmp = buff; tmp && *tmp != '\0'; tmp = index((const char*)tmp, '
') + 1)
(*nwords)++;
- words = calloc(*nwords, sizeof(char*));
+ if (!*nwords)
+ return NULL;
+ else
+ words = calloc(*nwords, sizeof(char*));
*nwords = 0;
tok = strtok(buff, " ");
--
2.1.0
------------------------------------------------------------------------------
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