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Code refactor

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This commit is contained in:
Arun Prakash Jana 2019-05-15 22:29:38 +05:30
parent 95eaa636ef
commit 3157ef1214
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GPG key ID: A75979F35C080412
1 changed files with 23 additions and 20 deletions
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43
src/nnn.c
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@ -134,6 +134,7 @@
#define ASCII_MAX 128 #define ASCII_MAX 128
#define EXEC_ARGS_MAX 8 #define EXEC_ARGS_MAX 8
#define SCROLLOFF 5 #define SCROLLOFF 5
#define LONG_SIZE sizeof(ulong)
/* Entry flags */ /* Entry flags */
#define DIR_OR_LINK_TO_DIR 0x1 #define DIR_OR_LINK_TO_DIR 0x1
@ -536,7 +537,7 @@ static uint xatoi(const char *str)
static char *xitoa(uint val) static char *xitoa(uint val)
{ {
static const char hexbuf[] = "0123456789"; const char hexbuf[] = "0123456789";
static char ascbuf[32] = {0}; static char ascbuf[32] = {0};
int i; int i;
@ -657,10 +658,10 @@ static size_t xstrlcpy(char *dest, const char *src, size_t n)
if (!src || !dest || !n) if (!src || !dest || !n)
return 0; return 0;
static ulong *s, *d; ulong *s, *d;
static const uint lsize = sizeof(ulong);
static const uint _WSHIFT = (sizeof(ulong) == 8) ? 3 : 2;
size_t len = strlen(src) + 1, blocks; size_t len = strlen(src) + 1, blocks;
const uint _WSHIFT = (LONG_SIZE == 8) ? 3 : 2;
if (n > len) if (n > len)
n = len; n = len;
@ -672,12 +673,12 @@ static size_t xstrlcpy(char *dest, const char *src, size_t n)
* To enable -O3 ensure src and dest are 16-byte aligned * To enable -O3 ensure src and dest are 16-byte aligned
* More info: http://www.felixcloutier.com/x86/MOVDQA.html * More info: http://www.felixcloutier.com/x86/MOVDQA.html
*/ */
if ((n >= lsize) && (((ulong)src & _ALIGNMENT_MASK) == 0 && if ((n >= LONG_SIZE) && (((ulong)src & _ALIGNMENT_MASK) == 0 &&
((ulong)dest & _ALIGNMENT_MASK) == 0)) { ((ulong)dest & _ALIGNMENT_MASK) == 0)) {
s = (ulong *)src; s = (ulong *)src;
d = (ulong *)dest; d = (ulong *)dest;
blocks = n >> _WSHIFT; blocks = n >> _WSHIFT;
n &= lsize - 1; n &= LONG_SIZE - 1;
while (blocks) { while (blocks) {
*d = *s; // NOLINT *d = *s; // NOLINT
@ -729,7 +730,7 @@ static void *xmemrchr(uchar *s, uchar ch, size_t n)
static char *xbasename(char *path) static char *xbasename(char *path)
{ {
char *base = xmemrchr((uchar *)path, '/', strlen(path)); char *base = xmemrchr((uchar *)path, '/', strlen(path)); // NOLINT
return base ? base + 1 : path; return base ? base + 1 : path;
} }
@ -1525,7 +1526,7 @@ static int matches(const char *fltr)
static int filterentries(char *path) static int filterentries(char *path)
{ {
static wchar_t wln[REGEX_MAX] __attribute__ ((aligned)); wchar_t *wln = (wchar_t *)alloca(sizeof(wchar_t) * REGEX_MAX);
char *ln = g_ctx[cfg.curctx].c_fltr; char *ln = g_ctx[cfg.curctx].c_fltr;
wint_t ch[2] = {0}; wint_t ch[2] = {0};
int r, total = ndents, oldcur = cur, len; int r, total = ndents, oldcur = cur, len;
@ -1844,7 +1845,7 @@ static size_t mkpath(char *dir, char *name, char *out)
else else
len = xstrlcpy(out, dir, PATH_MAX); len = xstrlcpy(out, dir, PATH_MAX);
out[len - 1] = '/'; out[len - 1] = '/'; // NOLINT
return (xstrlcpy(out + len, name, PATH_MAX - len) + len); return (xstrlcpy(out + len, name, PATH_MAX - len) + len);
} }
@ -2020,7 +2021,7 @@ static char *unescape(const char *str, uint maxcols)
static char *coolsize(off_t size) static char *coolsize(off_t size)
{ {
static const char * const U = "BKMGTPEZY"; const char * const U = "BKMGTPEZY";
static char size_buf[12]; /* Buffer to hold human readable size */ static char size_buf[12]; /* Buffer to hold human readable size */
off_t rem; off_t rem;
int i; int i;
@ -2499,8 +2500,10 @@ static bool sshfs_unmount(char *path, char *newpath, int *presel)
char *tmp; char *tmp;
/* On Ubuntu it's fusermount */ /* On Ubuntu it's fusermount */
if (!found && !getutil(cmd)) if (!found && !getutil(cmd)) {
cmd[10] = '\0'; cmd[10] = '\0';
found = TRUE;
}
tmp = xreadline(NULL, "host: "); tmp = xreadline(NULL, "host: ");
if (!tmp[0]) if (!tmp[0])
@ -2640,15 +2643,15 @@ static void dentfree(void)
static int dentfill(char *path, struct entry **dents) static int dentfill(char *path, struct entry **dents)
{ {
static uint open_max;
int n = 0, count, flags = 0; int n = 0, count, flags = 0;
ulong num_saved; ulong num_saved;
struct dirent *dp; struct dirent *dp;
char *namep, *pnb; char *namep, *pnb, *buf = NULL;
struct entry *dentp; struct entry *dentp;
size_t off = 0, namebuflen = NAMEBUF_INCR; size_t off = 0, namebuflen = NAMEBUF_INCR;
struct stat sb_path, sb; struct stat sb_path, sb;
DIR *dirp = opendir(path); DIR *dirp = opendir(path);
static uint open_max;
if (!dirp) if (!dirp)
return 0; return 0;
@ -2658,6 +2661,7 @@ static int dentfill(char *path, struct entry **dents)
if (cfg.blkorder) { if (cfg.blkorder) {
num_files = 0; num_files = 0;
dir_blocks = 0; dir_blocks = 0;
buf = (char *)alloca(strlen(path) + NAME_MAX + 2);
if (fstatat(fd, path, &sb_path, 0) == -1) { if (fstatat(fd, path, &sb_path, 0) == -1) {
closedir(dirp); closedir(dirp);
@ -2702,12 +2706,12 @@ static int dentfill(char *path, struct entry **dents)
if (S_ISDIR(sb.st_mode)) { if (S_ISDIR(sb.st_mode)) {
if (sb_path.st_dev == sb.st_dev) { if (sb_path.st_dev == sb.st_dev) {
ent_blocks = 0; ent_blocks = 0;
mkpath(path, namep, g_buf); mkpath(path, namep, buf);
mvprintw(xlines - 1, 0, "scanning %s [^C aborts]\n", mvprintw(xlines - 1, 0, "scanning %s [^C aborts]\n",
xbasename(g_buf)); xbasename(buf));
refresh(); refresh();
if (nftw(g_buf, nftw_fn, open_max, if (nftw(buf, nftw_fn, open_max,
FTW_MOUNT | FTW_PHYS) == -1) { FTW_MOUNT | FTW_PHYS) == -1) {
DPRINTF_S("nftw failed"); DPRINTF_S("nftw failed");
dir_blocks += (cfg.apparentsz dir_blocks += (cfg.apparentsz
@ -2792,12 +2796,11 @@ static int dentfill(char *path, struct entry **dents)
if (S_ISDIR(sb.st_mode)) { if (S_ISDIR(sb.st_mode)) {
ent_blocks = 0; ent_blocks = 0;
num_saved = num_files + 1; num_saved = num_files + 1;
mkpath(path, namep, g_buf); mkpath(path, namep, buf);
mvprintw(xlines - 1, 0, "scanning %s [^C aborts]\n", mvprintw(xlines - 1, 0, "scanning %s [^C aborts]\n", xbasename(buf));
xbasename(g_buf));
refresh(); refresh();
if (nftw(g_buf, nftw_fn, open_max, FTW_MOUNT | FTW_PHYS) == -1) { if (nftw(buf, nftw_fn, open_max, FTW_MOUNT | FTW_PHYS) == -1) {
DPRINTF_S("nftw failed"); DPRINTF_S("nftw failed");
dentp->blocks = (cfg.apparentsz ? sb.st_size : sb.st_blocks); dentp->blocks = (cfg.apparentsz ? sb.st_size : sb.st_blocks);
} else } else