diff options
Diffstat (limited to 'src/nnn.c')
-rw-r--r-- | src/nnn.c | 108 |
1 files changed, 61 insertions, 47 deletions
@@ -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; @@ -2935,16 +2952,15 @@ 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 / */ - if (*--nextkey == ';') - *(*envcpy + (nextkey - ptr)) = '\0'; + /* Clear trailing ;s */ + if (*--nextkey == ';') + *(*envcpy + (nextkey - ptr)) = '\0'; ptr = *envcpy; nextkey = ptr; @@ -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); |