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* spawn.cc (spawn_guts): Attempt to accomodate archaic windows quoting

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mechanism when dealing with '\' and '"'.
This commit is contained in:
Christopher Faylor 2000-09-27 05:12:09 +00:00
parent 03de9775c4
commit e564846577
4 changed files with 31 additions and 11 deletions
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5
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,8 @@
Wed Sep 27 01:10:07 2000 Christopher Faylor <cgf@cygnus.com>
* spawn.cc (spawn_guts): Attempt to accomodate archaic windows quoting
mechanism when dealing with '\' and '"'.
Mon Sep 25 20:47:04 2000 Christopher Faylor <cgf@cygnus.com>
* dcrt0.cc (quoted): Fix problem where ' quoted strings were skipped.

10
winsup/cygwin/cygheap.cc
View File

@ -235,3 +235,13 @@ cstrdup (const char *s)
strcpy (p, s);
return p;
}
extern "C" char *__stdcall
cstrdup1 (const char *s)
{
char *p = (char *) cmalloc (HEAP_1_STR, strlen (s) + 1);
if (!p)
return NULL;
strcpy (p, s);
return p;
}

9
winsup/cygwin/cygheap.h
View File

@ -15,8 +15,12 @@ enum cygheap_types
HEAP_FHANDLER,
HEAP_STR,
HEAP_ARGV,
HEAP_EXEC,
HEAP_BUF
HEAP_BUF,
HEAP_1_START,
HEAP_1_STR,
HEAP_1_ARGV,
HEAP_1_BUF,
HEAP_1_EXEC
};
#define CYGHEAPSIZE ((1000 * sizeof (fhandler_union)) + (2 * 65536))
@ -34,4 +38,5 @@ void *__stdcall cmalloc (cygheap_types, DWORD);
void *__stdcall crealloc (void *, DWORD);
void *__stdcall ccalloc (cygheap_types, DWORD, DWORD);
char *__stdcall cstrdup (const char *);
char *__stdcall cstrdup1 (const char *);
}

18
winsup/cygwin/spawn.cc
View File

@ -252,7 +252,7 @@ public:
int argc;
av (int ac, const char * const *av) : calloced (0), argc (ac)
{
argv = (char **) cmalloc (HEAP_ARGV, (argc + 1) * sizeof (char *));
argv = (char **) cmalloc (HEAP_1_ARGV, (argc + 1) * sizeof (char *));
memcpy (argv, av, (argc + 1) * sizeof (char *));
}
~av ()
@ -269,19 +269,19 @@ public:
/* Note: Assumes that argv array has not yet been "unshifted" */
if (!calloced)
{
argv[0] = cstrdup (arg0);
argv[0] = cstrdup1 (arg0);
calloced = 1;
}
}
void dup_maybe (int i)
{
if (i >= calloced)
argv[i] = cstrdup (argv[i]);
argv[i] = cstrdup1 (argv[i]);
}
void dup_all ()
{
for (int i = calloced; i < argc; i++)
argv[i] = cstrdup (argv[i]);
argv[i] = cstrdup1 (argv[i]);
}
};
@ -304,7 +304,7 @@ av::unshift (const char *what, int conv)
*p = '\0';
what = buf;
}
*argv = cstrdup (what);
*argv = cstrdup1 (what);
argc++;
calloced++;
return 1;
@ -367,7 +367,7 @@ spawn_guts (HANDLE hToken, const char * prog_arg, const char *const *argv,
return -1;
}
ciresrv.moreinfo = (cygheap_exec_info *) ccalloc (HEAP_EXEC, 1, sizeof (cygheap_exec_info));
ciresrv.moreinfo = (cygheap_exec_info *) ccalloc (HEAP_1_EXEC, 1, sizeof (cygheap_exec_info));
ciresrv.moreinfo->old_title = old_title ? cstrdup (old_title) : NULL;
ciresrv.moreinfo->fds = fdtab;
ciresrv.moreinfo->nfds = fdtab.size;
@ -506,7 +506,7 @@ spawn_guts (HANDLE hToken, const char * prog_arg, const char *const *argv,
for (; (p = strpbrk (a, "\"\\")); a = ++p)
{
one_line.add (a, p - a);
if (*p == '\\' || *p == '"')
if ((*p == '\\' && p[1] == '"') || *p == '"')
one_line.add ("\\", 1);
one_line.add (p, 1);
}
@ -534,11 +534,11 @@ spawn_guts (HANDLE hToken, const char * prog_arg, const char *const *argv,
cygcwd.copy (ciresrv.moreinfo->cwd_posix, ciresrv.moreinfo->cwd_win32,
ciresrv.moreinfo->cwd_hash);
ciresrv.moreinfo->environ = (char **) cmalloc (HEAP_ARGV, envsize (envp, 1));
ciresrv.moreinfo->environ = (char **) cmalloc (HEAP_1_ARGV, envsize (envp, 1));
char **c;
const char * const *e;
for (c = ciresrv.moreinfo->environ, e = envp; *e;)
*c++ = cstrdup (*e++);
*c++ = cstrdup1 (*e++);
*c = NULL;
if (mode != _P_OVERLAY ||
!DuplicateHandle (hMainProc, myself.shared_handle (), hMainProc, &ciresrv.moreinfo->myself_pinfo, 0,