From a2a7a7ec5ee97eff37e968e0577d70af9eb5a20e Mon Sep 17 00:00:00 2001
From: Mattias Andrée <maandree@operamail.com>
Date: Sun, 26 Jan 2014 12:04:06 +0100
Subject: some small fixes + add -h and --help
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Mattias Andrée <maandree@operamail.com>
---
src/adjbacklight.c | 30 +++++++++++++++++++++---------
1 file changed, 21 insertions(+), 9 deletions(-)
(limited to 'src')
diff --git a/src/adjbacklight.c b/src/adjbacklight.c
index 98e5bdf..53f3013 100644
--- a/src/adjbacklight.c
+++ b/src/adjbacklight.c
@@ -177,7 +177,7 @@ int main(int argc, char** argv)
int i, j;
pid_t pid = 0;
char* set = NULL;
- int get = 0, all = 0, cols = 80, ndevices = 0;
+ int get = 0, help = 0, all = 0, cols = 80, ndevices = 0;
char** devices = alloca(argc * sizeof(char*));
@@ -188,7 +188,9 @@ int main(int argc, char** argv)
{
#define T(S) (!strcmp(arg, S))
arg = *(argv + i);
- if (T("-a") || T("--all"))
+ if (T("-h") || T("--help"))
+ help = 1;
+ else if (T("-a") || T("--all"))
all = 1;
else if (T("-c") || T("--copyright") || T("--copying"))
{
@@ -255,7 +257,8 @@ int main(int argc, char** argv)
}
#undef T
}
- if ((all + ndevices + get == 0) && !set)
+ fflush(stderr);
+ if (help || ((all + ndevices + get == 0) && !set))
{
P("\n");
P("adjbacklight - Convient method for adjusting the backlight on your portable computer");
@@ -494,12 +497,18 @@ int main(int argc, char** argv)
free(space);
}
else if (get)
- {
- brightness *= 100.f;
- brightness /= nbrightness;
- printf("%.2f%%\n", brightness);
- fflush(stdout);
- }
+ if (nbrightness)
+ {
+ brightness *= 100.f;
+ brightness /= nbrightness;
+ printf("%.2f%%\n", brightness);
+ fflush(stdout);
+ }
+ else
+ {
+ printf("%s\n", "100.00%");
+ fflush(stdout);
+ }
}
@@ -548,6 +557,9 @@ static int isnumerical(const char* str)
case '%':
p++;
break;
+
+ default:
+ return 0;
}
}
return p <= 2;
--
cgit v1.2.3-70-g09d2