diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/nvim/os/env.c | 53 |
1 files changed, 46 insertions, 7 deletions
diff --git a/src/nvim/os/env.c b/src/nvim/os/env.c index 879266e3d4..008f5ef63b 100644 --- a/src/nvim/os/env.c +++ b/src/nvim/os/env.c @@ -394,13 +394,21 @@ void os_get_hostname(char *hostname, size_t size) } /// To get the "real" home directory: -/// - get value of $HOME +/// 1. get value of $HOME +/// 2. if $HOME is not set, try the following +/// For Windows: +/// 1. assemble homedir using HOMEDRIVE and HOMEPATH +/// 2. try os_homedir() +/// 3. resolve a direct reference to another system variable +/// 4. guess C drive /// For Unix: -/// - go to that directory -/// - do os_dirname() to get the real name of that directory. -/// This also works with mounts and links. -/// Don't do this for Windows, it will change the "current dir" for a drive. +/// 1. try os_homedir() +/// 2. go to that directory +/// This also works with mounts and links. +/// Don't do this for Windows, it will change the "current dir" for a drive. +/// 3. fall back to current working directory as a last resort static char *homedir = NULL; +static char *os_homedir(void); void init_homedir(void) { @@ -430,7 +438,7 @@ void init_homedir(void) } } if (var == NULL) { - var = os_getenv("USERPROFILE"); + var = os_homedir(); } // Weird but true: $HOME may contain an indirect reference to another @@ -440,6 +448,7 @@ void init_homedir(void) const char *p = strchr(var + 1, '%'); if (p != NULL) { vim_snprintf(os_buf, (size_t)(p - var), "%s", var + 1); + var = NULL; const char *exp = os_getenv(os_buf); if (exp != NULL && *exp != NUL && STRLEN(exp) + STRLEN(p) < MAXPATHL) { @@ -458,8 +467,12 @@ void init_homedir(void) } #endif - if (var != NULL) { #ifdef UNIX + if (var == NULL) { + var = os_homedir(); + } + + if (var != NULL) { // Change to the directory and get the actual path. This resolves // links. Don't do it when we can't return. if (os_dirname((char_u *)os_buf, MAXPATHL) == OK && os_chdir(os_buf) == 0) { @@ -470,11 +483,37 @@ void init_homedir(void) EMSG(_(e_prev_dir)); } } + } + + // Fall back to current working directory if home is not found + if ((var == NULL || *var == NUL) + && os_dirname((char_u *)os_buf, sizeof(os_buf)) == OK) { + var = os_buf; + } #endif + if (var != NULL) { homedir = xstrdup(var); } } +static char homedir_buf[MAXPATHL]; + +static char *os_homedir(void) +{ + homedir_buf[0] = NUL; + size_t homedir_size = MAXPATHL; + uv_mutex_lock(&mutex); + // http://docs.libuv.org/en/v1.x/misc.html#c.uv_os_homedir + int ret_value = uv_os_homedir(homedir_buf, &homedir_size); + uv_mutex_unlock(&mutex); + if (ret_value == 0 && homedir_size < MAXPATHL) { + return homedir_buf; + } + ELOG("uv_os_homedir() failed %d: %s", ret_value, os_strerror(ret_value)); + homedir_buf[0] = NUL; + return NULL; +} + #if defined(EXITFREE) void free_homedir(void) |