is_extension_executable: simplify check for unix-style shell

mch_expand_wildcards does it this way, it's probably good enough.
This commit is contained in:
Justin M. Keyes 2019-04-01 00:45:46 +02:00
parent 692b83fc92
commit 4b25c2b4e8

View File

@ -226,13 +226,13 @@ int os_exepath(char *buffer, size_t *size)
return uv_exepath(buffer, size);
}
/// Checks if the given path represents an executable file.
/// Checks if the file `name` is executable.
///
/// @param[in] name Name of the executable.
/// @param[out] abspath Path of the executable, if found and not `NULL`.
/// @param[in] use_path If 'false', only check if "name" is executable
/// @param[in] name Filename to check.
/// @param[out] abspath Returns resolved executable path, if not NULL.
/// @param[in] use_path Also search $PATH.
///
/// @return `true` if `name` is executable and
/// @return true if `name` is executable and
/// - can be found in $PATH,
/// - is relative to current dir or
/// - is absolute.
@ -242,8 +242,8 @@ bool os_can_exe(const char_u *name, char_u **abspath, bool use_path)
FUNC_ATTR_NONNULL_ARG(1)
{
bool no_path = !use_path || path_is_absolute(name);
#ifdef WIN32
// If the filename is "qualified" (relative or absolute) do not check $PATH.
#ifdef WIN32
no_path |= (name[0] == '.'
&& ((name[1] == '/' || name[1] == '\\')
|| (name[1] == '.' && (name[2] == '/' || name[2] == '\\'))));
@ -287,18 +287,7 @@ static bool is_extension_executable(const char *name)
FUNC_ATTR_NONNULL_ALL
{
// Don't check extension for Unix-style 'shell'.
const char_u *shell_end = p_sh + STRLEN(p_sh);
while (true) {
if (*shell_end == '.') {
break;
} else if (shell_end == p_sh
|| (*shell_end == '/' || *shell_end == '\\')) {
shell_end = p_sh + STRLEN(p_sh);
break;
}
shell_end--;
}
if (mb_strnicmp(shell_end - 2, (const char_u *)"sh", 2) == 0) {
if (strstr((char *)path_tail(p_sh), "sh") != NULL) {
return true;
}
@ -351,13 +340,10 @@ static bool is_executable(const char *name, char_u **abspath)
}
const bool ok = (r == 0);
#endif
if (ok) {
if (abspath != NULL) {
if (ok && abspath != NULL) {
*abspath = save_abs_path((char_u *)name);
}
return true;
}
return false;
return ok;
}
#ifdef WIN32
@ -391,10 +377,10 @@ static bool is_executable_ext(char *name, const char *pathext, char_u **abspath)
}
#endif
/// Checks if a file is inside the `$PATH` and is executable.
/// Checks if a file is in `$PATH` and is executable.
///
/// @param[in] name The name of the executable.
/// @param[out] abspath Path of the executable, if found and not `NULL`.
/// @param[in] name Filename to check.
/// @param[out] abspath Returns resolved executable path, if not NULL.
///
/// @return `true` if `name` is an executable inside `$PATH`.
static bool is_executable_in_path(const char_u *name, char_u **abspath)