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More optimization

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This commit is contained in:
Arun Prakash Jana 2017-07-03 19:08:38 +05:30
parent 76d600b072
commit e585d830cd
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GPG key ID: A75979F35C080412
1 changed files with 36 additions and 47 deletions
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83
nnn.c
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@ -163,12 +163,10 @@ extern int wget_wch(WINDOW *win, wint_t *wch);
/* Configuration */
static settings cfg = {0, 0, 0, 0, 0, 1, 1, 0};
/* Idle timeout in seconds, 0 to disable */
static uint idletimeout;
static struct entry *dents;
static int ndents, cur, total_dents;
static uint idle;
static uint idletimeout;
static char *player;
static char *copier;
static char *editor;
@ -200,6 +198,11 @@ static char *metaviewer;
/* For use in functions which are isolated and don't return the buffer */
static char g_buf[MAX_CMD_LEN];
/* Common message strings */
static char *STR_NFTWFAIL = "nftw(3) failed";
static char *STR_ATROOT = "You are at /";
static char *STR_NOHOME = "HOME not set";
/*
* Layout:
* .---------
@ -457,9 +460,9 @@ initcurses(void)
char *term = getenv("TERM");
if (term != NULL)
fprintf(stderr, "error opening terminal: %s\n", term);
fprintf(stderr, "error opening TERM: %s\n", term);
else
fprintf(stderr, "failed to initialize curses\n");
fprintf(stderr, "initscr() failed\n");
exit(1);
}
cbreak();
@ -475,13 +478,6 @@ initcurses(void)
timeout(1000); /* One second */
}
/* Exit curses mode */
static void
exitcurses(void)
{
endwin(); /* Restore terminal */
}
/*
* Spawns a child process. Behaviour can be controlled using flag.
* Limited to 2 arguments to a program, flag works on bit set.
@ -493,7 +489,7 @@ spawn(char *file, char *arg1, char *arg2, char *dir, uchar flag)
int status;
if (flag & F_NORMAL)
exitcurses();
endwin();
pid = fork();
if (pid == 0) {
@ -719,7 +715,7 @@ printwarn(void)
static void
printerr(int ret, char *prefix)
{
exitcurses();
endwin();
fprintf(stderr, "%s: %s\n", prefix, strerror(errno));
exit(ret);
}
@ -772,6 +768,16 @@ nextsel(char **run, char **env, int *presel)
return 0;
}
static void
dentcpy(struct entry *dst, struct entry *src)
{
xstrlcpy(dst->name, src->name, NAME_MAX);
dst->mode = src->mode;
dst->t = src->t;
dst->size = src->size;
dst->blocks = src->blocks;
}
/*
* Move non-matching entries to the end
*/
@ -787,29 +793,13 @@ fill(struct entry **dents,
static struct entry _dent;
/* Copy count to tmp */
xstrlcpy(_dent.name, (*dents)[count].name,
NAME_MAX);
_dent.mode = (*dents)[count].mode;
_dent.t = (*dents)[count].t;
_dent.size = (*dents)[count].size;
_dent.blocks = (*dents)[count].blocks;
dentcpy(&_dent, &(*dents)[count]);
/* Copy ndents - 1 to count */
xstrlcpy((*dents)[count].name,
(*dents)[ndents].name, NAME_MAX);
(*dents)[count].mode = (*dents)[ndents].mode;
(*dents)[count].t = (*dents)[ndents].t;
(*dents)[count].size = (*dents)[ndents].size;
(*dents)[count].blocks
= (*dents)[ndents].blocks;
dentcpy(&(*dents)[count], &(*dents)[ndents]);
/* Copy tmp to ndents - 1 */
xstrlcpy((*dents)[ndents].name, _dent.name,
NAME_MAX);
(*dents)[ndents].mode = _dent.mode;
(*dents)[ndents].t = _dent.t;
(*dents)[ndents].size = _dent.size;
(*dents)[ndents].blocks = _dent.blocks;
dentcpy(&(*dents)[ndents], &_dent);
--count;
}
@ -1089,8 +1079,7 @@ printent(struct entry *ent, int sel)
static char *
coolsize(off_t size)
{
static const char * const U[]
= {"B", "K", "M", "G", "T", "P", "E", "Z", "Y"};
static const char * const U = "BKMGTPEZY";
static char size_buf[12]; /* Buffer to hold human readable size */
static int i;
static off_t tmp;
@ -1106,7 +1095,7 @@ coolsize(off_t size)
++i;
}
snprintf(size_buf, 12, "%.*Lf%s", i, size + rem * div_2_pow_10, U[i]);
snprintf(size_buf, 12, "%.*Lf%c", i, size + rem * div_2_pow_10, U[i]);
return size_buf;
}
@ -1440,7 +1429,7 @@ show_stats(char *fpath, char *fname, struct stat *sb)
close(fd);
exitcurses();
endwin();
get_output(NULL, 0, "cat", tmp, NULL, 1);
unlink(tmp);
initcurses();
@ -1453,7 +1442,7 @@ show_mediainfo(char *fpath, char *arg)
if (!get_output(g_buf, MAX_CMD_LEN, "which", metaviewer, NULL, 0))
return -1;
exitcurses();
endwin();
get_output(NULL, 0, metaviewer, fpath, arg, 1);
initcurses();
return 0;
@ -1533,7 +1522,7 @@ show_help(void)
dprintf(fd, "\n");
close(fd);
exitcurses();
endwin();
get_output(NULL, 0, "cat", tmp, NULL, 1);
unlink(tmp);
initcurses();
@ -1626,7 +1615,7 @@ dentfill(char *path, struct entry **dents,
if (nftw(g_buf, sum_bsizes, open_max,
FTW_MOUNT | FTW_PHYS) == -1) {
printmsg("nftw(3) failed");
printmsg(STR_NFTWFAIL);
dir_blocks += sb.st_blocks;
} else
dir_blocks += ent_blocks;
@ -1666,7 +1655,7 @@ dentfill(char *path, struct entry **dents,
if (nftw(g_buf, sum_bsizes, open_max,
FTW_MOUNT | FTW_PHYS) == -1) {
printmsg("nftw(3) failed");
printmsg(STR_NFTWFAIL);
(*dents)[n].blocks = sb.st_blocks;
} else
(*dents)[n].blocks = ent_blocks;
@ -1922,7 +1911,7 @@ nochange:
case SEL_BACK:
/* There is no going back */
if (path[0] == '/' && path[1] == '\0') {
printmsg("You are at /");
printmsg(STR_ATROOT);
goto nochange;
}
@ -2083,7 +2072,7 @@ nochange:
goto nochange;
}
exitcurses();
endwin();
tmp = readline("chdir: ");
initcurses();
@ -2115,7 +2104,7 @@ nochange:
home, tmp + 1);
else {
free(input);
printmsg("HOME not set");
printmsg(STR_NOHOME);
goto nochange;
}
} else if (tmp[0] == '-' && tmp[1] == '\0') {
@ -2136,7 +2125,7 @@ nochange:
/* Show a message if already at / */
if (path[0] == '/' && path[1] == '\0') {
printmsg("You are at /");
printmsg(STR_ATROOT);
free(input);
goto nochange;
}
@ -2282,7 +2271,7 @@ nochange:
bookmark[r].loc
+ 1);
else {
printmsg("HOME not set");
printmsg(STR_NOHOME);
goto nochange;
}
} else
@ -2584,7 +2573,7 @@ main(int argc, char *argv[])
#endif
initcurses();
browse(ipath, ifilter);
exitcurses();
endwin();
#ifdef DEBUGMODE
disabledbg();
#endif