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kill warnings, c99 up in this

This commit is contained in:
Kevin Lange 2014-04-30 16:30:30 -07:00
parent 8cf326558c
commit 7ad46735c1
2 changed files with 17 additions and 16 deletions
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2
src/Makefile
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@ -1,7 +1,7 @@
OBJECTS = nyancat.o OBJECTS = nyancat.o
CC ?= CC ?=
CFLAGS ?= -g CFLAGS ?= -g -Wall -Wextra -std=c99
CPPFLAGS ?= CPPFLAGS ?=
LDFLAGS ?= LDFLAGS ?=

29
src/nyancat.c
View File

@ -49,6 +49,7 @@
* WITH THE SOFTWARE. * WITH THE SOFTWARE.
*/ */
#define _XOPEN_SOURCE 500
#include <ctype.h> #include <ctype.h>
#include <stdio.h> #include <stdio.h>
#include <stdint.h> #include <stdint.h>
@ -111,7 +112,7 @@ int show_counter = 1;
* Number of frames to show before quitting * Number of frames to show before quitting
* or 0 to repeat forever (default) * or 0 to repeat forever (default)
*/ */
int frame_count = 0; unsigned int frame_count = 0;
/* /*
* Clear the screen between frames (as opposed to reseting * Clear the screen between frames (as opposed to reseting
@ -184,6 +185,7 @@ void finish() {
* (^C) so that we can restore the cursor and clear the terminal. * (^C) so that we can restore the cursor and clear the terminal.
*/ */
void SIGINT_handler(int sig){ void SIGINT_handler(int sig){
(void)sig;
finish(); finish();
} }
@ -192,6 +194,7 @@ void SIGINT_handler(int sig){
* handling if we didn't receive a terminal * handling if we didn't receive a terminal
*/ */
void SIGALRM_handler(int sig) { void SIGALRM_handler(int sig) {
(void)sig;
alarm(0); alarm(0);
longjmp(environment, 1); longjmp(environment, 1);
/* Unreachable */ /* Unreachable */
@ -202,10 +205,12 @@ void SIGALRM_handler(int sig) {
* in telnet mode and the client disconnects * in telnet mode and the client disconnects
*/ */
void SIGPIPE_handler(int sig) { void SIGPIPE_handler(int sig) {
(void)sig;
finish(); finish();
} }
void SIGWINCH_handler(int sig) { void SIGWINCH_handler(int sig) {
(void)sig;
struct winsize w; struct winsize w;
ioctl(0, TIOCGWINSZ, &w); ioctl(0, TIOCGWINSZ, &w);
terminal_width = w.ws_col; terminal_width = w.ws_col;
@ -339,11 +344,12 @@ int main(int argc, char ** argv) {
/* The default terminal is ANSI */ /* The default terminal is ANSI */
char term[1024] = {'a','n','s','i', 0}; char term[1024] = {'a','n','s','i', 0};
int k, ttype; unsigned int k;
uint32_t option = 0, done = 0, sb_mode = 0, do_echo = 0; int ttype;
uint32_t option = 0, done = 0, sb_mode = 0;
/* Various pieces for the telnet communication */ /* Various pieces for the telnet communication */
unsigned char sb[1024] = {0}; char sb[1024] = {0};
short sb_len = 0; unsigned short sb_len = 0;
/* Whether or not to show the MOTD intro */ /* Whether or not to show the MOTD intro */
char show_intro = 0; char show_intro = 0;
@ -516,11 +522,6 @@ int main(int argc, char ** argv) {
telnet_options[opt] = DONT; telnet_options[opt] = DONT;
} }
send_command(telnet_options[opt], opt); send_command(telnet_options[opt], opt);
if (opt == ECHO) {
/* We don't really need this, as we don't accept input, but,
* in case we do in the future, set our echo mode */
do_echo = (i == DO);
}
fflush(stdout); fflush(stdout);
break; break;
case SB: case SB:
@ -761,7 +762,7 @@ int main(int argc, char ** argv) {
if (show_intro) { if (show_intro) {
/* Display the MOTD */ /* Display the MOTD */
int countdown_clock = 5; unsigned int countdown_clock = 5;
for (k = 0; k < countdown_clock; ++k) { for (k = 0; k < countdown_clock; ++k) {
newline(3); newline(3);
printf(" \033[1mNyancat Telnet Server\033[0m"); printf(" \033[1mNyancat Telnet Server\033[0m");
@ -845,12 +846,12 @@ int main(int argc, char ** argv) {
} }
if (always_escape) { if (always_escape) {
/* Text mode (or "Always Send Color Escapes") */ /* Text mode (or "Always Send Color Escapes") */
printf("%s", colors[color]); printf("%s", colors[(int)color]);
} else { } else {
if (color != last && colors[color]) { if (color != last && colors[(int)color]) {
/* Normal Mode, send escape (because the color changed) */ /* Normal Mode, send escape (because the color changed) */
last = color; last = color;
printf("%s%s", colors[color], output); printf("%s%s", colors[(int)color], output);
} else { } else {
/* Same color, just send the output characters */ /* Same color, just send the output characters */
printf("%s", output); printf("%s", output);