mirror of
https://github.com/jarun/nnn.git
synced 2024-11-28 05:41:31 +00:00
Optimized xstrlen(), xstrdup()
This commit is contained in:
Arun Prakash Jana
parent
30a6caf8bc
commit
588b413832
104
src/nnn.c
104
src/nnn.c
|
|
@ -927,13 +927,32 @@ static size_t xstrsncpy(char *restrict dst, const char *restrict src, size_t n)
|
|||
return end - dst;
|
||||
}
|
||||
|
||||
static inline size_t xstrlen(const char *s)
|
||||
{
|
||||
#if !defined(__GLIBC__)
|
||||
return strlen(s);
|
||||
#else
|
||||
return (char *)rawmemchr(s, '\0') - s;
|
||||
#endif
|
||||
}
|
||||
|
||||
static char *xstrdup(const char* s)
|
||||
{
|
||||
size_t len = xstrlen(s) + 1;
|
||||
char *ptr = malloc(len);
|
||||
|
||||
if (ptr)
|
||||
xstrsncpy(ptr, s, len);
|
||||
return ptr;
|
||||
}
|
||||
|
||||
static bool is_suffix(const char *str, const char *suffix)
|
||||
{
|
||||
if (!str || !suffix)
|
||||
return FALSE;
|
||||
|
||||
size_t lenstr = strlen(str);
|
||||
size_t lensuffix = strlen(suffix);
|
||||
size_t lenstr = xstrlen(str);
|
||||
size_t lensuffix = xstrlen(suffix);
|
||||
|
||||
if (lensuffix > lenstr)
|
||||
return FALSE;
|
||||
|
|
@ -945,7 +964,7 @@ static bool is_suffix(const char *str, const char *suffix)
|
|||
* The poor man's implementation of memrchr(3).
|
||||
* We are only looking for '/' in this program.
|
||||
* And we are NOT expecting a '/' at the end.
|
||||
* Ideally 0 < n <= strlen(s).
|
||||
* Ideally 0 < n <= xstrlen(s).
|
||||
*/
|
||||
static void *xmemrchr(uchar *s, uchar ch, size_t n)
|
||||
{
|
||||
|
|
@ -1014,7 +1033,7 @@ static char *abspath(const char *path, const char *cwd)
|
|||
if (!path || !cwd)
|
||||
return NULL;
|
||||
|
||||
size_t dst_size = 0, src_size = strlen(path), cwd_size = strlen(cwd);
|
||||
size_t dst_size = 0, src_size = xstrlen(path), cwd_size = xstrlen(cwd);
|
||||
const char *src;
|
||||
char *dst;
|
||||
char *resolved_path = malloc(src_size + (*path == '/' ? 0 : cwd_size) + 1);
|
||||
|
|
@ -1061,7 +1080,7 @@ static char *abspath(const char *path, const char *cwd)
|
|||
/* A very simplified implementation, changes path */
|
||||
static char *xdirname(char *path)
|
||||
{
|
||||
char *base = xmemrchr((uchar *)path, '/', strlen(path));
|
||||
char *base = xmemrchr((uchar *)path, '/', xstrlen(path));
|
||||
|
||||
if (base == path)
|
||||
path[1] = '\0';
|
||||
|
|
@ -1073,7 +1092,7 @@ static char *xdirname(char *path)
|
|||
|
||||
static char *xbasename(char *path)
|
||||
{
|
||||
char *base = xmemrchr((uchar *)path, '/', strlen(path)); // NOLINT
|
||||
char *base = xmemrchr((uchar *)path, '/', xstrlen(path)); // NOLINT
|
||||
|
||||
return base ? base + 1 : path;
|
||||
}
|
||||
|
|
@ -1136,7 +1155,7 @@ static size_t seltofile(int fd, uint *pcount)
|
|||
lastpos = selbufpos - 1;
|
||||
|
||||
while (pos <= lastpos) {
|
||||
len = strlen(pbuf);
|
||||
len = xstrlen(pbuf);
|
||||
pos += len;
|
||||
|
||||
r = write(fd, pbuf, len);
|
||||
|
|
@ -1612,7 +1631,7 @@ static int spawn(char *file, char *arg1, char *arg2, const char *dir, uchar flag
|
|||
}
|
||||
|
||||
if (flag & F_MULTI) {
|
||||
size_t len = strlen(file) + 1;
|
||||
size_t len = xstrlen(file) + 1;
|
||||
|
||||
cmd = (char *)malloc(len);
|
||||
if (!cmd) {
|
||||
|
|
@ -1870,7 +1889,7 @@ static bool batch_rename(const char *path)
|
|||
if (fd1 == -1)
|
||||
return ret;
|
||||
|
||||
xstrsncpy(foriginal, g_tmpfpath, strlen(g_tmpfpath) + 1);
|
||||
xstrsncpy(foriginal, g_tmpfpath, xstrlen(g_tmpfpath) + 1);
|
||||
|
||||
fd2 = create_tmp_file();
|
||||
if (fd2 == -1) {
|
||||
|
|
@ -1941,8 +1960,8 @@ static void get_archive_cmd(char *cmd, const char *archive)
|
|||
static void archive_selection(const char *cmd, const char *archive, const char *curpath)
|
||||
{
|
||||
/* The 70 comes from the string below */
|
||||
char *buf = (char *)malloc((70 + strlen(cmd) + strlen(archive)
|
||||
+ strlen(curpath) + strlen(selpath)) * sizeof(char));
|
||||
char *buf = (char *)malloc((70 + xstrlen(cmd) + xstrlen(archive)
|
||||
+ xstrlen(curpath) + xstrlen(selpath)) * sizeof(char));
|
||||
if (!buf) {
|
||||
DPRINTF_S(strerror(errno));
|
||||
printwarn(NULL);
|
||||
|
|
@ -1963,7 +1982,7 @@ static void archive_selection(const char *cmd, const char *archive, const char *
|
|||
static bool write_lastdir(const char *curpath)
|
||||
{
|
||||
bool ret = TRUE;
|
||||
size_t len = strlen(cfgdir);
|
||||
size_t len = xstrlen(cfgdir);
|
||||
|
||||
xstrsncpy(cfgdir + len, "/.lastd", 8);
|
||||
DPRINTF_S(cfgdir);
|
||||
|
|
@ -2150,7 +2169,7 @@ static int setfilter(regex_t *regex, const char *filter)
|
|||
static int visible_re(const fltrexp_t *fltrexp, const char *fname)
|
||||
{
|
||||
#ifdef PCRE
|
||||
return pcre_exec(fltrexp->pcrex, NULL, fname, strlen(fname), 0, 0, NULL, 0) == 0;
|
||||
return pcre_exec(fltrexp->pcrex, NULL, fname, xstrlen(fname), 0, 0, NULL, 0) == 0;
|
||||
#else
|
||||
return regexec(fltrexp->regex, fname, 0, NULL, 0) == 0;
|
||||
#endif
|
||||
|
|
@ -2360,7 +2379,7 @@ static void showfilterinfo(void)
|
|||
((fnstrstr == &strcasestr) ? "ic" : "noic"));
|
||||
|
||||
clearinfoln();
|
||||
mvaddstr(xlines - 2, xcols - strlen(info), info);
|
||||
mvaddstr(xlines - 2, xcols - xstrlen(info), info);
|
||||
}
|
||||
|
||||
static void showfilter(char *str)
|
||||
|
|
@ -2890,7 +2909,7 @@ static int xlink(char *prefix, char *path, char *curfname, char *buf, int *prese
|
|||
}
|
||||
|
||||
while (pos < selbufpos) {
|
||||
len = strlen(psel);
|
||||
len = xstrlen(psel);
|
||||
fname = xbasename(psel);
|
||||
|
||||
r = xstrsncpy(buf, prefix, NAME_MAX + 1); /* Copy prefix */
|
||||
|
|
@ -2918,11 +2937,9 @@ static bool parsekvpair(kv **arr, char **envcpy, const uchar id, uchar *items)
|
|||
return TRUE;
|
||||
|
||||
nextkey = ptr;
|
||||
while (*nextkey) {
|
||||
if (*nextkey == ':')
|
||||
while (*nextkey)
|
||||
if (*nextkey++ == ':')
|
||||
++maxitems;
|
||||
++nextkey;
|
||||
}
|
||||
|
||||
if (!maxitems || maxitems > 100)
|
||||
return FALSE;
|
||||
|
|
@ -2935,14 +2952,13 @@ static bool parsekvpair(kv **arr, char **envcpy, const uchar id, uchar *items)
|
|||
|
||||
kvarr = *arr;
|
||||
|
||||
*envcpy = strdup(ptr);
|
||||
*envcpy = xstrdup(ptr);
|
||||
if (!*envcpy) {
|
||||
xerror();
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
if (nextkey - ptr > 1)
|
||||
/* Clear trailing ; or / */
|
||||
/* Clear trailing ;s */
|
||||
if (*--nextkey == ';')
|
||||
*(*envcpy + (nextkey - ptr)) = '\0';
|
||||
|
||||
|
|
@ -2977,7 +2993,7 @@ static bool parsekvpair(kv **arr, char **envcpy, const uchar id, uchar *items)
|
|||
|
||||
/* Redundant check so far, all paths will get evaluated and fail */
|
||||
//for (i = 0; i < maxitems && kvarr[i].key; ++i)
|
||||
// if (strlen(kvarr[i].val) >= PATH_MAX)
|
||||
// if (xstrlen(kvarr[i].val) >= PATH_MAX)
|
||||
// return FALSE;
|
||||
|
||||
*items = maxitems;
|
||||
|
|
@ -3002,8 +3018,8 @@ static char *get_kv_val(kv *kvarr, char *buf, int key, uchar max, bool bookmark)
|
|||
return kvarr[r].val;
|
||||
|
||||
if (kvarr[r].val[0] == '~') {
|
||||
ssize_t len = strlen(home);
|
||||
ssize_t loclen = strlen(kvarr[r].val);
|
||||
ssize_t len = xstrlen(home);
|
||||
ssize_t loclen = xstrlen(kvarr[r].val);
|
||||
|
||||
xstrsncpy(g_buf, home, len + 1);
|
||||
xstrsncpy(g_buf + len, kvarr[r].val + 1, loclen);
|
||||
|
|
@ -3129,7 +3145,7 @@ static char *coolsize(off_t size)
|
|||
|
||||
char *frac = xitoa(rem);
|
||||
size_t toprint = i > 3 ? 3 : i;
|
||||
size_t len = strlen(frac);
|
||||
size_t len = xstrlen(frac);
|
||||
|
||||
if (len < toprint) {
|
||||
size_buf[ret] = size_buf[ret + 1] = size_buf[ret + 2] = '0';
|
||||
|
|
@ -3273,7 +3289,7 @@ static void printent_long(const struct entry *ent, uint namecols, bool sel)
|
|||
}
|
||||
|
||||
size = coolsize(cfg.blkorder ? ent->blocks << blk_shift : ent->size);
|
||||
len = 10 - (uint)strlen(size);
|
||||
len = 10 - (uint)xstrlen(size);
|
||||
while (--len)
|
||||
addch(' ');
|
||||
addstr(size);
|
||||
|
|
@ -3786,21 +3802,19 @@ static bool archive_mount(char *path, char *newpath)
|
|||
{
|
||||
char *dir, *cmd = utils[UTIL_ARCHIVEMOUNT];
|
||||
char *name = dents[cur].name;
|
||||
size_t len;
|
||||
size_t len = dents[cur].nlen;
|
||||
|
||||
if (!getutil(cmd)) {
|
||||
printmsg(messages[MSG_UTIL_MISSING]);
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
dir = strdup(name);
|
||||
dir = xstrdup(name);
|
||||
if (!dir) {
|
||||
printmsg(messages[MSG_FAILED]);
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
len = strlen(dir);
|
||||
|
||||
while (len > 1)
|
||||
if (dir[--len] == '.') {
|
||||
dir[len] = '\0';
|
||||
|
|
@ -3882,7 +3896,7 @@ static bool remote_mount(char *newpath, char *currentpath)
|
|||
}
|
||||
|
||||
/* Convert "Host" to "Host:" */
|
||||
size_t len = strlen(tmp);
|
||||
size_t len = xstrlen(tmp);
|
||||
|
||||
if (tmp[len - 1] != ':') { /* Append ':' if missing */
|
||||
tmp[len] = ':';
|
||||
|
|
@ -4154,7 +4168,7 @@ static bool run_cmd_as_plugin(const char *path, const char *file, char *runfile)
|
|||
|
||||
xstrsncpy(g_buf, file, PATH_MAX);
|
||||
|
||||
len = strlen(g_buf);
|
||||
len = xstrlen(g_buf);
|
||||
if (len > 1 && g_buf[len - 1] == '*') {
|
||||
flags &= ~F_CONFIRM; /* Skip user confirmation */
|
||||
g_buf[len - 1] = '\0'; /* Get rid of trailing no confirmation symbol */
|
||||
|
|
@ -4340,7 +4354,7 @@ static int dentfill(char *path, struct entry **dents)
|
|||
if (cfg.blkorder) {
|
||||
num_files = 0;
|
||||
dir_blocks = 0;
|
||||
buf = (char *)alloca(strlen(path) + NAME_MAX + 2);
|
||||
buf = (char *)alloca(xstrlen(path) + NAME_MAX + 2);
|
||||
if (!buf)
|
||||
return 0;
|
||||
|
||||
|
|
@ -4967,7 +4981,7 @@ static void redraw(char *path)
|
|||
attron(A_UNDERLINE);
|
||||
|
||||
/* Print path */
|
||||
i = (int)strlen(path);
|
||||
i = (int)xstrlen(path);
|
||||
if ((i + MIN_DISPLAY_COLS) <= ncols)
|
||||
addnstr(path, ncols - MIN_DISPLAY_COLS);
|
||||
else {
|
||||
|
|
@ -5386,7 +5400,7 @@ nochange:
|
|||
|
||||
#ifdef PCRE
|
||||
if (!pcre_exec(archive_pcre, NULL, dents[cur].name,
|
||||
strlen(dents[cur].name), 0, 0, NULL, 0)) {
|
||||
xstrlen(dents[cur].name), 0, 0, NULL, 0)) {
|
||||
#else
|
||||
if (!regexec(&archive_re, dents[cur].name, 0, NULL, 0)) {
|
||||
#endif
|
||||
|
|
@ -5525,7 +5539,7 @@ nochange:
|
|||
goto begin;
|
||||
case SEL_PIN:
|
||||
free(mark);
|
||||
mark = strdup(path);
|
||||
mark = xstrdup(path);
|
||||
printwait(mark, &presel);
|
||||
goto nochange;
|
||||
case SEL_FLTR:
|
||||
|
|
@ -6276,7 +6290,7 @@ static char *make_tmp_tree(char **paths, ssize_t entries, const char *prefix)
|
|||
int err, ignore = 0;
|
||||
struct stat sb;
|
||||
char *slash, *tmp;
|
||||
ssize_t len = strlen(prefix);
|
||||
ssize_t len = xstrlen(prefix);
|
||||
char *tmpdir = malloc(sizeof(char) * (PATH_MAX + TMP_LEN_MAX));
|
||||
|
||||
if (!tmpdir) {
|
||||
|
|
@ -6311,10 +6325,10 @@ static char *make_tmp_tree(char **paths, ssize_t entries, const char *prefix)
|
|||
}
|
||||
|
||||
/* Don't copy the common prefix */
|
||||
xstrsncpy(tmp, paths[i] + len, strlen(paths[i]) - len + 1);
|
||||
xstrsncpy(tmp, paths[i] + len, xstrlen(paths[i]) - len + 1);
|
||||
|
||||
/* Get the dir containing the path */
|
||||
slash = xmemrchr((uchar *)tmp, '/', strlen(paths[i]) - len);
|
||||
slash = xmemrchr((uchar *)tmp, '/', xstrlen(paths[i]) - len);
|
||||
if (slash)
|
||||
*slash = '\0';
|
||||
|
||||
|
|
@ -6466,7 +6480,7 @@ static char *load_input()
|
|||
|
||||
if (prefixpath[0]) {
|
||||
if (entries == 1) {
|
||||
tmp = xmemrchr((uchar *)prefixpath, '/', strlen(prefixpath));
|
||||
tmp = xmemrchr((uchar *)prefixpath, '/', xstrlen(prefixpath));
|
||||
if (!tmp)
|
||||
goto malloc_2;
|
||||
|
||||
|
|
@ -6558,12 +6572,12 @@ static bool setup_config(void)
|
|||
return FALSE;
|
||||
}
|
||||
|
||||
len = strlen(xdgcfg) + 1 + 13; /* add length of "/nnn/sessions" */
|
||||
len = xstrlen(xdgcfg) + 1 + 13; /* add length of "/nnn/sessions" */
|
||||
xdg = TRUE;
|
||||
}
|
||||
|
||||
if (!xdg)
|
||||
len = strlen(home) + 1 + 21; /* add length of "/.config/nnn/sessions" */
|
||||
len = xstrlen(home) + 1 + 21; /* add length of "/.config/nnn/sessions" */
|
||||
|
||||
cfgdir = (char *)malloc(len);
|
||||
plugindir = (char *)malloc(len);
|
||||
|
|
@ -6675,7 +6689,7 @@ int main(int argc, char *argv[])
|
|||
middle_click_key = (uchar)middle_click_env[0];
|
||||
#endif
|
||||
const char* const env_opts = xgetenv(env_cfg[NNN_OPTS], NULL);
|
||||
int env_opts_id = env_opts ? (int)strlen(env_opts) : -1;
|
||||
int env_opts_id = env_opts ? (int)xstrlen(env_opts) : -1;
|
||||
#ifndef NORL
|
||||
bool rlhist = FALSE;
|
||||
#endif
|
||||
|
|
@ -6861,7 +6875,7 @@ int main(int argc, char *argv[])
|
|||
} else {
|
||||
arg = argv[optind];
|
||||
DPRINTF_S(arg);
|
||||
if (strlen(arg) > 7 && !strncmp(arg, "file://", 7))
|
||||
if (xstrlen(arg) > 7 && !strncmp(arg, "file://", 7))
|
||||
arg = arg + 7;
|
||||
initpath = realpath(arg, NULL);
|
||||
DPRINTF_S(initpath);
|
||||
|
|
|
|||
Loading…
Reference in a new issue