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-rw-r--r--src/cg-base.c2
-rw-r--r--src/cg-brilliance.c2
-rw-r--r--src/cg-darkroom.c2
-rw-r--r--src/cg-gamma.c2
-rw-r--r--src/cg-limits.c2
-rw-r--r--src/cg-rainbow.c4
-rw-r--r--src/cg-sleepmode.c2
7 files changed, 8 insertions, 8 deletions
diff --git a/src/cg-base.c b/src/cg-base.c
index d9da32a..1309ded 100644
--- a/src/cg-base.c
+++ b/src/cg-base.c
@@ -657,7 +657,7 @@ int main(int argc, char* argv[])
char *end;
errno = 0;
priority = (int64_t)strtoll(prio, &end, 10);
- if (errno || *end)
+ if (errno || *end || !*prio)
usage();
}
diff --git a/src/cg-brilliance.c b/src/cg-brilliance.c
index 1ad590d..eab9806 100644
--- a/src/cg-brilliance.c
+++ b/src/cg-brilliance.c
@@ -132,7 +132,7 @@ 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;
}
diff --git a/src/cg-darkroom.c b/src/cg-darkroom.c
index 03222a7..8d7d7fd 100644
--- a/src/cg-darkroom.c
+++ b/src/cg-darkroom.c
@@ -122,7 +122,7 @@ 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;
}
diff --git a/src/cg-gamma.c b/src/cg-gamma.c
index b72cd21..d44b761 100644
--- a/src/cg-gamma.c
+++ b/src/cg-gamma.c
@@ -217,7 +217,7 @@ 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;
}
diff --git a/src/cg-limits.c b/src/cg-limits.c
index 78f0b6c..3f057bd 100644
--- a/src/cg-limits.c
+++ b/src/cg-limits.c
@@ -276,7 +276,7 @@ static int parse_double(double* restrict out, const char* restrict str)
*out = strtod(str, &end);
if (errno || isinf(*out) || isnan(*out) || *end)
return -1;
- if (!strchr("-0123456789.", *str))
+ if (!*str || !strchr("-0123456789.", *str))
return -1;
return 0;
}
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;
}
diff --git a/src/cg-sleepmode.c b/src/cg-sleepmode.c
index 42fea0d..c4a41e6 100644
--- a/src/cg-sleepmode.c
+++ b/src/cg-sleepmode.c
@@ -178,7 +178,7 @@ 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;
}