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authorMattias Andrée <maandree@kth.se>2016-12-01 14:48:11 +0100
committerMattias Andrée <maandree@kth.se>2016-12-01 14:48:11 +0100
commit306ee610d24a274f7e765898fbd760d274549388 (patch)
tree13ba58600e51a8464ba5748963e892a3a265c13d /src/cg-rainbow.c
parentCheck that the value of -p is proper (diff)
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Fix bugs
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'src/cg-rainbow.c')
-rw-r--r--src/cg-rainbow.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/cg-rainbow.c b/src/cg-rainbow.c
index 8aaa2cb..6ef606e 100644
--- a/src/cg-rainbow.c
+++ b/src/cg-rainbow.c
@@ -70,7 +70,7 @@ double luminosity = (double)1 / 3;
void usage(void)
{
fprintf(stderr,
- "Usage: %s [-M method] [-S site] [-c crtc]... [-R rule] [-p priority] "
+ "Usage: %s [-M method] [-S site] [-c crtc]... [-R rule] [-p priority]"
" [-l luminosity] [-s rainbowhz]\n",
argv0);
exit(1);
@@ -127,7 +127,7 @@ static int parse_double(double* restrict out, const char* restrict str)
*out = strtod(str, &end);
if (errno || (*out < 0) || isinf(*out) || isnan(*out) || *end)
return -1;
- if (!strchr("0123456789.", *str))
+ if (!*str || !strchr("0123456789.", *str))
return -1;
return 0;
}