mark functions and vars as static (#146)
the goal here to mark functions and variables not used outside the
translation unit as static. main reason for this is cleanliness. however
as a side-effect this can help compilers optimize better as it now has
guarantee that a certain function won't be called outside of that
translation unit.
one other side-effect of this is that accessing these vars/function from
config.h is now different.
if one wants to access a static var/func from different translation unit
in config.h, he would have to create a wrapper function under the right
ifdef. for static functions one would also need to forward declare it.
here's a dummy example of accessing the function `run_key_handler` from
config.h under _MAPPINGS_CONFIG
```
static void run_key_handler(const char *, unsigned);
bool send_with_ctrl(arg_t key) {
run_key_handler(XKeysymToString(key), ControlMask);
return false;
}
```
This commit is contained in:
N-R-K
GitHub
parent
43fcd2e02e
commit
c6275374b0
@ -24,7 +24,7 @@
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#include <unistd.h>
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#include <sys/inotify.h>
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union {
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static union {
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char d[4096]; /* aligned buffer */
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struct inotify_event e;
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} buf;
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14
image.c
14
image.c
@ -114,7 +114,7 @@ void exif_auto_orientate(const fileinfo_t *file)
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#endif
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#if HAVE_LIBGIF
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bool img_load_gif(img_t *img, const fileinfo_t *file)
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static bool img_load_gif(img_t *img, const fileinfo_t *file)
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{
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GifFileType *gif;
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GifRowType *rows = NULL;
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@ -295,7 +295,7 @@ bool img_load_gif(img_t *img, const fileinfo_t *file)
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#if HAVE_LIBWEBP
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bool is_webp(const char *path)
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static bool is_webp(const char *path)
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{
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/* The size (in bytes) of the largest amount of data required to verify a WebP image. */
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enum { max = 30 };
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@ -316,7 +316,7 @@ bool is_webp(const char *path)
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* x NULL = load the first frame as an Imlib_Image
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* NULL x = load all frames into img->multi.
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*/
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bool img_load_webp(const fileinfo_t *file, Imlib_Image *fframe, img_t *img)
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static bool img_load_webp(const fileinfo_t *file, Imlib_Image *fframe, img_t *img)
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{
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FILE *webp_file;
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WebPData data;
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@ -507,7 +507,7 @@ CLEANUP void img_close(img_t *img, bool decache)
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}
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}
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void img_check_pan(img_t *img, bool moved)
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static void img_check_pan(img_t *img, bool moved)
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{
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win_t *win;
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float w, h, ox, oy;
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@ -535,7 +535,7 @@ void img_check_pan(img_t *img, bool moved)
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img->dirty = true;
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}
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bool img_fit(img_t *img)
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static bool img_fit(img_t *img)
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{
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float z, zw, zh;
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@ -723,7 +723,7 @@ bool img_pos(img_t *img, float x, float y)
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}
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}
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bool img_move(img_t *img, float dx, float dy)
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static bool img_move(img_t *img, float dx, float dy)
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{
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return img_pos(img, img->x + dx, img->y + dy);
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}
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@ -873,7 +873,7 @@ bool img_change_gamma(img_t *img, int d)
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}
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}
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bool img_frame_goto(img_t *img, int n)
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static bool img_frame_goto(img_t *img, int n)
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{
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if (n < 0 || n >= img->multi.cnt || n == img->multi.sel)
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return false;
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30
main.c
30
main.c
@ -67,7 +67,7 @@ int markidx;
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int prefix;
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bool extprefix;
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bool resized = false;
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static bool resized = false;
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typedef struct {
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int err;
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@ -97,7 +97,7 @@ timeout_t timeouts[] = {
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/**************************
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function implementations
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**************************/
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void cleanup(void)
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static void cleanup(void)
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{
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img_close(&img, false);
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arl_cleanup(&arl);
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@ -113,7 +113,7 @@ static bool xgetline(char **lineptr, size_t *n)
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return len > 0;
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}
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void check_add_file(char *filename, bool given)
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static void check_add_file(char *filename, bool given)
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{
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char *path;
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@ -203,7 +203,7 @@ void reset_timeout(timeout_f handler)
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}
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}
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bool check_timeouts(struct timeval *t)
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static bool check_timeouts(struct timeval *t)
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{
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int i = 0, tdiff, tmin = -1;
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struct timeval now;
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@ -265,7 +265,7 @@ void open_info(void)
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}
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}
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void read_info(void)
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static void read_info(void)
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{
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ssize_t i, n;
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char buf[BAR_L_LEN];
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@ -347,7 +347,7 @@ bool mark_image(int n, bool on)
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return false;
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}
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void bar_put(win_bar_t *bar, const char *fmt, ...)
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static void bar_put(win_bar_t *bar, const char *fmt, ...)
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{
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size_t len = bar->size - (bar->p - bar->buf), n;
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va_list ap;
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@ -358,7 +358,7 @@ void bar_put(win_bar_t *bar, const char *fmt, ...)
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va_end(ap);
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}
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void update_info(void)
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static void update_info(void)
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{
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unsigned int i, fn, fw;
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const char * mark;
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@ -507,7 +507,7 @@ void handle_key_handler(bool init)
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win_draw(&win);
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}
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void run_key_handler(const char *key, unsigned int mask)
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static void run_key_handler(const char *key, unsigned int mask)
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{
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pid_t pid;
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FILE *pfs;
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@ -605,8 +605,8 @@ end:
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redraw();
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}
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bool process_bindings(const keymap_t *keys, unsigned int len,
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KeySym ksym_or_button, unsigned int state)
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static bool process_bindings(const keymap_t *keys, unsigned int len,
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KeySym ksym_or_button, unsigned int state)
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{
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unsigned int i;
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bool dirty = false;
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@ -624,7 +624,7 @@ bool process_bindings(const keymap_t *keys, unsigned int len,
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return dirty;
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}
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void on_keypress(XKeyEvent *kev)
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static void on_keypress(XKeyEvent *kev)
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{
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unsigned int sh = 0;
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KeySym ksym, shksym;
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@ -659,7 +659,7 @@ void on_keypress(XKeyEvent *kev)
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prefix = 0;
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}
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void on_buttonpress(XButtonEvent *bev)
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static void on_buttonpress(XButtonEvent *bev)
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{
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int sel;
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bool dirty = false;
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@ -720,7 +720,7 @@ void on_buttonpress(XButtonEvent *bev)
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prefix = 0;
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}
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void run(void)
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static void run(void)
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{
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int xfd;
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fd_set fds;
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@ -837,7 +837,7 @@ void run(void)
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}
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}
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int fncmp(const void *a, const void *b)
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static int fncmp(const void *a, const void *b)
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{
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return strcoll(((fileinfo_t*) a)->name, ((fileinfo_t*) b)->name);
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}
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@ -847,7 +847,7 @@ void sigchld(int sig)
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while (waitpid(-1, NULL, WNOHANG) > 0);
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}
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void setup_signal(int sig, void (*handler)(int sig))
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static void setup_signal(int sig, void (*handler)(int sig))
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{
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struct sigaction sa;
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2
nsxiv.h
2
nsxiv.h
@ -233,7 +233,6 @@ bool img_fit_win(img_t*, scalemode_t);
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bool img_zoom(img_t*, int);
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bool img_zoom_to(img_t*, float);
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bool img_pos(img_t*, float, float);
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bool img_move(img_t*, float, float);
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bool img_pan(img_t*, direction_t, int);
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bool img_pan_edge(img_t*, direction_t);
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void img_rotate(img_t*, degree_t);
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@ -283,7 +282,6 @@ struct opt {
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extern const opt_t *options;
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void print_usage(void);
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void print_version(void);
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void parse_options(int, char**);
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@ -26,8 +26,7 @@
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#include <string.h>
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#include <unistd.h>
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opt_t _options;
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const opt_t *options = (const opt_t*) &_options;
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const opt_t *options;
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void print_usage(void)
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{
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@ -36,7 +35,7 @@ void print_usage(void)
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"[-z ZOOM] FILES...\n");
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}
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void print_version(void)
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static void print_version(void)
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{
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puts("nsxiv " VERSION);
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}
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int n, opt;
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char *end, *s;
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const char *scalemodes = "dfFwh";
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static opt_t _options;
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options = &_options;
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progname = strrchr(argv[0], '/');
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progname = progname ? progname + 1 : argv[0];
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10
thumbs.c
10
thumbs.c
@ -38,7 +38,7 @@ Imlib_Image img_open(const fileinfo_t*);
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static char *cache_dir;
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extern const int fileidx;
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char* tns_cache_filepath(const char *filepath)
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static char* tns_cache_filepath(const char *filepath)
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{
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size_t len;
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char *cfile = NULL;
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@ -55,7 +55,7 @@ char* tns_cache_filepath(const char *filepath)
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return cfile;
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}
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Imlib_Image tns_cache_load(const char *filepath, bool *outdated)
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static Imlib_Image tns_cache_load(const char *filepath, bool *outdated)
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{
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char *cfile;
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struct stat cstats, fstats;
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@ -76,7 +76,7 @@ Imlib_Image tns_cache_load(const char *filepath, bool *outdated)
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return im;
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}
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void tns_cache_write(Imlib_Image im, const char *filepath, bool force)
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static void tns_cache_write(Imlib_Image im, const char *filepath, bool force)
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{
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char *cfile, *dirend;
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struct stat cstats, fstats;
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@ -200,7 +200,7 @@ CLEANUP void tns_free(tns_t *tns)
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cache_dir = NULL;
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}
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Imlib_Image tns_scale_down(Imlib_Image im, int dim)
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static Imlib_Image tns_scale_down(Imlib_Image im, int dim)
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{
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int w, h;
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float z, zw, zh;
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@ -374,7 +374,7 @@ void tns_unload(tns_t *tns, int n)
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}
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}
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void tns_check_view(tns_t *tns, bool scrolled)
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static void tns_check_view(tns_t *tns, bool scrolled)
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{
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int r;
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16
window.c
16
window.c
@ -63,7 +63,7 @@ static int barheight;
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Atom atoms[ATOM_COUNT];
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#if HAVE_LIBFONTS
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void win_init_font(const win_env_t *e, const char *fontstr)
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static void win_init_font(const win_env_t *e, const char *fontstr)
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{
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int fontheight = 0;
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if ((font = XftFontOpenName(e->dpy, e->scr, fontstr)) == NULL)
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@ -74,21 +74,21 @@ void win_init_font(const win_env_t *e, const char *fontstr)
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XftFontClose(e->dpy, font);
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}
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void xft_alloc_color(const win_env_t *e, const char *name, XftColor *col)
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static void xft_alloc_color(const win_env_t *e, const char *name, XftColor *col)
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{
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if (!XftColorAllocName(e->dpy, e->vis, e->cmap, name, col))
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error(EXIT_FAILURE, 0, "Error allocating color '%s'", name);
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}
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#endif /* HAVE_LIBFONTS */
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void win_alloc_color(const win_env_t *e, const char *name, XColor *col)
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static void win_alloc_color(const win_env_t *e, const char *name, XColor *col)
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{
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XColor screen;
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if (!XAllocNamedColor(e->dpy, e->cmap, name, &screen, col))
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error(EXIT_FAILURE, 0, "Error allocating color '%s'", name);
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}
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const char* win_res(XrmDatabase db, const char *name, const char *def)
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static const char* win_res(XrmDatabase db, const char *name, const char *def)
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{
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char *type;
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XrmValue ret;
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@ -396,8 +396,8 @@ void win_clear(win_t *win)
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}
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#if HAVE_LIBFONTS
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int win_draw_text(win_t *win, XftDraw *d, const XftColor *color, int x, int y,
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char *text, int len, int w)
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static int win_draw_text(win_t *win, XftDraw *d, const XftColor *color,
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int x, int y, char *text, int len, int w)
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{
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int err, tw = 0;
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char *t, *next;
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@ -430,7 +430,7 @@ int win_draw_text(win_t *win, XftDraw *d, const XftColor *color, int x, int y,
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return tw;
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}
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void win_draw_bar(win_t *win)
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static void win_draw_bar(win_t *win)
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{
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int len, x, y, w, tw;
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win_env_t *e;
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@ -466,7 +466,7 @@ void win_draw_bar(win_t *win)
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XftDrawDestroy(d);
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}
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#else
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void win_draw_bar(win_t *win){}
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static void win_draw_bar(win_t *win){}
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#endif /* HAVE_LIBFONTS */
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void win_draw(win_t *win)
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Loading…
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