libs/newlib-cygwin
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* dcrt0.cc (build_argv): Strip quotes from argv[0] since it should never be

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globified.
This commit is contained in:
Christopher Faylor 2000-07-16 04:34:05 +00:00
parent c77c441991
commit 01e6597b1c
3 changed files with 41 additions and 52 deletions
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5
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,8 @@
Sun Jul 16 00:32:58 2000 Christopher Faylor <cgf@cygnus.com>
* dcrt0.cc (build_argv): Strip quotes from argv[0] since it should
never be globified.
Sat Jul 15 00:32:41 2000 Christopher Faylor <cgf@cygnus.com>
* dll_init.cc (dll_list::alloc): Round correctly. Use VirtualAlloc

2
winsup/cygwin/dcrt0.cc
View File

@ -439,7 +439,7 @@ build_argv (char *cmd, char **&argv, int &argc, int winshell)
/* Skip over characters until the closing quote */
{
sawquote = cmd;
cmd = quoted (cmd, winshell);
cmd = quoted (cmd, argc > 0 && winshell);
}
if (issep (*cmd)) // End of argument if space
break;

86
winsup/cygwin/dlfcn.cc
View File

@ -16,13 +16,8 @@ details. */
#include "dlfcn.h"
#include "dll_init.h"
#ifdef _MT_SAFE
#define _dl_error _reent_winsup()->_dl_error
#define _dl_buffer _reent_winsup()->_dl_buffer
#else
static int _dl_error = 0;
static char _dl_buffer[256];
#endif
static void __stdcall
set_dl_error (const char *str)
@ -31,11 +26,9 @@ set_dl_error (const char *str)
_dl_error = 1;
}
//
// this function checks for existence of a file specified by the
// directory and name components. If successful, return a pointer
// the full pathname (static buffer), or else return 0.
//
/* Check for existence of a file specified by the directory
and name components. If successful, return a pointer the
full pathname (static buffer), else return 0. */
static const char * __stdcall
check_access (const char *dir, const char *name)
{
@ -52,11 +45,9 @@ check_access (const char *dir, const char *name)
return ret;
}
//
// this function looks for an executable file given the name and the
// environment variable to use for searching (eg., PATH); returns
// the full pathname (static buffer) if found or NULL if not.
//
/* Look for an executable file given the name and the environment
variable to use for searching (eg., PATH); returns the full
pathname (static buffer) if found or NULL if not. */
static const char * __stdcall
check_path_access (const char *mywinenv, const char *name)
{
@ -64,22 +55,20 @@ check_path_access (const char *mywinenv, const char *name)
return find_exec (name, buf, mywinenv, TRUE);
}
//
// This function simulates the same search as LoadLibary + check
// environment variable LD_LIBRARY_PATH. If found, return the full
// pathname (static buffer); if illegal, return the input string
// unchanged and let the caller deal with it; return NULL otherwise.
//
// Note that this should never be called with a NULL string, since
// that is the introspective case, and the caller should not call
// this function at all.
//
/* Simulate the same search as LoadLibary + check environment
variable LD_LIBRARY_PATH. If found, return the full pathname
(static buffer); if illegal, return the input string unchanged
and let the caller deal with it; return NULL otherwise.
Note that this should never be called with a NULL string, since
that is the introspective case, and the caller should not call
this function at all. */
static const char * __stdcall
get_full_path_of_dll (const char* str)
{
int len = (str) ? strlen (str) : 0;
// NULL or empty string or too long to be legal win32 pathname?
/* NULL or empty string or too long to be legal win32 pathname? */
if (len == 0 || len >= MAX_PATH - 1)
return str;
@ -89,29 +78,27 @@ get_full_path_of_dll (const char* str)
strcpy (name, str);
// add extension if necessary, but leave a trailing '.', if any, alone.
// Files with trailing '.'s are handled differently by win32 API.
/* Add extension if necessary, but leave a trailing '.', if any, alone.
Files with trailing '.'s are handled differently by win32 API. */
if (str[len - 1] != '.')
{
// add .dll only if no extension provided. Handle various cases:
//
// ./shlib --> ./shlib.dll
// ./dir/shlib.so --> ./dir/shlib.so
// shlib --> shlib.dll
// shlib.dll --> shlib.dll
// shlib.so --> shlib.so
//
/* Add .dll only if no extension provided. Handle various cases:
./shlib --> ./shlib.dll
./dir/shlib.so --> ./dir/shlib.so
shlib --> shlib.dll
shlib.dll --> shlib.dll
shlib.so --> shlib.so */
const char *p = strrchr (str, '.');
if (!p || isdirsep (p[1]))
strcat (name, ".dll");
}
// deal with fully qualified filename right away. Do the actual
// conversion to win32 filename just before returning however.
/* Deal with fully qualified filename right away. Do the actual
conversion to win32 filename just before returning however. */
if (isabspath (str))
ret = name;
// current directory
/* current directory */
if (!ret)
{
if (GetCurrentDirectory (MAX_PATH, buf) == 0)
@ -120,29 +107,28 @@ get_full_path_of_dll (const char* str)
ret = check_access (buf, name);
}
// LD_LIBRARY_PATH
/* LD_LIBRARY_PATH */
if (!ret)
ret = check_path_access ("LD_LIBRARY_PATH=", name);
if (!ret)
{
// system directory
if (GetSystemDirectory (buf, MAX_PATH) == 0)
small_printf ("WARNING: get_full_path_of_dll can't get system directory win32 %E\n");
else
ret = check_access (buf, name);
}
// 16 bits system directory
/* 16 bits system directory */
if (!ret && (os_being_run == winNT))
{
// we assume last dir was xxxxx\SYSTEM32, so we remove 32
/* we assume last dir was xxxxx\SYSTEM32, so we remove 32 */
len = strlen (buf);
buf[len - 2] = 0;
ret = check_access (buf, name);
}
// windows directory
/* windows directory */
if (!ret)
{
if (GetWindowsDirectory (buf, MAX_PATH) == 0)
@ -151,14 +137,12 @@ get_full_path_of_dll (const char* str)
ret = check_access (buf, name);
}
// PATH
/* PATH */
if (!ret)
ret = check_path_access ("PATH=", name);
//
// now do a final conversion to win32 pathname. This step is necessary
// to resolve symlinks etc so that win32 API finds the underlying file.
//
/* Now do a final conversion to win32 pathname. This step is necessary
to resolve symlinks etc so that win32 API finds the underlying file. */
if (ret)
{
path_conv real_filename (ret, SYMLINK_FOLLOW, 1);
@ -182,12 +166,12 @@ dlopen (const char *name, int)
if (!name)
{
// handle for the current module
/* handle for the current module */
ret = (void *) GetModuleHandle (NULL);
}
else
{
// handle for the named library
/* handle for the named library */
const char *fullpath = get_full_path_of_dll (name);
ret = (void *) LoadLibrary (fullpath);
}