mirror of
https://github.com/neovim/neovim.git
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df072c3b2b
move `call_shell` to misc1.c Move some fns to state.c Move some fns to option.c Move some fns to memline.c Move `vim_chdir*` fns to file_search.c Move some fns to new module, bytes.c Move some fns to fileio.c
88 lines
2.1 KiB
C
88 lines
2.1 KiB
C
// users.c -- operating system user information
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#include <uv.h>
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#include "nvim/ascii.h"
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#include "nvim/os/os.h"
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#include "nvim/garray.h"
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#include "nvim/memory.h"
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#include "nvim/strings.h"
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#ifdef HAVE_PWD_H
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# include <pwd.h>
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#endif
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// Initialize users garray and fill it with os usernames.
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// Return Ok for success, FAIL for failure.
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int os_get_usernames(garray_T *users)
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{
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if (users == NULL) {
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return FAIL;
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}
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ga_init(users, sizeof(char *), 20);
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# if defined(HAVE_GETPWENT) && defined(HAVE_PWD_H)
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struct passwd *pw;
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setpwent();
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while ((pw = getpwent()) != NULL) {
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// pw->pw_name shouldn't be NULL but just in case...
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if (pw->pw_name != NULL) {
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GA_APPEND(char *, users, xstrdup(pw->pw_name));
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}
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}
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endpwent();
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# endif
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return OK;
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}
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// Insert user name in s[len].
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// Return OK if a name found.
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int os_get_user_name(char *s, size_t len)
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{
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#ifdef UNIX
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return os_get_uname((uv_uid_t)getuid(), s, len);
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#else
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// TODO(equalsraf): Windows GetUserName()
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return os_get_uname((uv_uid_t)0, s, len);
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#endif
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}
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// Insert user name for "uid" in s[len].
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// Return OK if a name found.
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// If the name is not found, write the uid into s[len] and return FAIL.
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int os_get_uname(uv_uid_t uid, char *s, size_t len)
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{
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#if defined(HAVE_PWD_H) && defined(HAVE_GETPWUID)
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struct passwd *pw;
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if ((pw = getpwuid(uid)) != NULL // NOLINT(runtime/threadsafe_fn)
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&& pw->pw_name != NULL && *(pw->pw_name) != NUL) {
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STRLCPY(s, pw->pw_name, len);
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return OK;
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}
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#endif
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snprintf(s, len, "%d", (int)uid);
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return FAIL; // a number is not a name
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}
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// Returns the user directory for the given username.
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// The caller has to free() the returned string.
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// If the username is not found, NULL is returned.
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char *os_get_user_directory(const char *name)
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{
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#if defined(HAVE_GETPWNAM) && defined(HAVE_PWD_H)
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struct passwd *pw;
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if (name == NULL) {
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return NULL;
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}
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pw = getpwnam(name); // NOLINT(runtime/threadsafe_fn)
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if (pw != NULL) {
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// save the string from the static passwd entry into malloced memory
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return xstrdup(pw->pw_dir);
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}
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#endif
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return NULL;
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}
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