diff options
Diffstat (limited to 'src/adjbacklight.c')
| -rw-r--r-- | src/adjbacklight.c | 44 |
1 files changed, 24 insertions, 20 deletions
diff --git a/src/adjbacklight.c b/src/adjbacklight.c index 3baf0a1..ecfc773 100644 --- a/src/adjbacklight.c +++ b/src/adjbacklight.c @@ -174,17 +174,17 @@ int main(int argc, char** argv) struct winsize win; struct termios saved_stty; struct termios stty; - int i, j; + size_t i, ndevices = 0; pid_t pid = 0; char* set = NULL; - int get = 0, help = 0, all = 0, cols = 80, ndevices = 0; - char** devices = alloca(argc * sizeof(char*)); + int j, get = 0, help = 0, all = 0, cols = 80; + char** devices = alloca((size_t)argc * sizeof(char*)); if (argc > 1) { char* arg; - for (i = 1; i < argc; i++) + for (i = 1; i < (size_t)argc; i++) { #define T(S) (!strcmp(arg, S)) arg = *(argv + i); @@ -227,7 +227,7 @@ int main(int argc, char** argv) else if (T("-s") || T("--set")) { char* tmp; - if (i + 1 == argc) + if (i + 1 == (size_t)argc) fprintf(stderr, "%s: argument for option %s is missing, ignoring option\n", *argv, arg); else if (!isnumerical(tmp = *(argv + ++i))) @@ -258,7 +258,7 @@ int main(int argc, char** argv) #undef T } fflush(stderr); - if (help || ((all + ndevices + get == 0) && !set)) + if (help || (((size_t)all + ndevices + (size_t)get == 0) && !set)) { P("\n"); P("adjbacklight - Convient method for adjusting the backlight on your portable computer"); @@ -332,14 +332,17 @@ int main(int argc, char** argv) if (video_grp) /* Accept everypony if the group ‘video’ does not exist */ { struct passwd* realuser = getpwuid(getuid()); + char** mems; + char* realname; + int ok; if (!realuser) { P("You do not exist, go away!"); return 1; } - char** mems = video_grp->gr_mem; - char* realname = realuser->pw_name; - int ok = 0; + mems = video_grp->gr_mem; + realname = realuser->pw_name; + ok = 0; for (; *mems; mems++) if (!strcmp(realname, *mems)) { @@ -389,7 +392,7 @@ int main(int argc, char** argv) return 1; } saved_stty = stty; - stty.c_lflag &= ~(ICANON | ECHO); + stty.c_lflag &= (tcflag_t)~(ICANON | ECHO); if (tcsetattr(STDIN_FILENO, TCSAFLUSH, &stty)) { perror(*argv); @@ -418,9 +421,9 @@ int main(int argc, char** argv) if (!get && !set) { - line = malloc(cols * 3 * sizeof(char)); - space = malloc(cols * sizeof(char)); - for (i = 0; i < cols; i++) + line = malloc((size_t)cols * 3 * sizeof(char)); + space = malloc((size_t)cols * sizeof(char)); + for (i = 0; i < (size_t)cols; i++) { *(line + i * 3 + 0) = (char)(0xE2); *(line + i * 3 + 1) = (char)(0x94); @@ -465,11 +468,10 @@ int main(int argc, char** argv) if (dir) { char* device; - char* forbidden = "acpi_video"; while ((ent = readdir(dir))) { device = ent->d_name; - if (all || (strstr(device, forbidden) != device)) + if (all || (strstr(device, "acpi_video") != device)) if (*device && (*device != '.')) { if (get) @@ -501,8 +503,8 @@ int main(int argc, char** argv) if (nbrightness) { brightness *= 100.f; - brightness /= nbrightness; - printf("%.2f%%\n", brightness); + brightness /= (float)nbrightness; + printf("%.2f%%\n", (double)brightness); fflush(stdout); } else @@ -717,7 +719,9 @@ static void setbrightness(const char* device, const char* adjustment) d = 1; else if (d) { - if ((d * 10 < 0) || (decimal * 10 + 9 < 0)) /* stop if the precision is too high */ + if ((long long)d * 10 > (long long)INT_MAX) + continue; + if ((long long)decimal * 10 + 9 > (long long)INT_MAX) continue; d *= 10; decimal *= 10; @@ -813,7 +817,7 @@ static int writefile(char* buffer, int integer, const char* file) buffer += 32; do { - *(buffer - n++) = (integer % 10) + '0'; + *(buffer - n++) = (char)((integer % 10) + '0'); integer /= 10; } while (integer); @@ -851,7 +855,7 @@ static int writefile(char* buffer, int integer, const char* file) */ static void bars(int min, int max, int init, int cur, int cols) { - int mid = (int)((cur - min) * (float)(cols - 2) / (float)(max - min) + 0.5f); + int mid = (int)((float)(cur - min) * (float)(cols - 2) / (float)(max - min) + 0.5f); printf("\033[1000D\033[6A"); printf("\033[2K┌%s┐\n", line); |