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| author | Noam Postavsky <npostavs@users.sourceforget.net> | 2015-02-10 18:51:14 +0200 |
|---|---|---|
| committer | Eli Zaretskii <eliz@gnu.org> | 2015-02-10 18:51:14 +0200 |
| commit | 680ee61d04e220e0b2eb4246c8f33773e0185852 (patch) | |
| tree | 026af2929f7f38f4c1725208301de3f4f6a026e8 /nt | |
| parent | 4b0b27d0018f040bda6a2ec885fa54c666d9c083 (diff) | |
| download | emacs-680ee61d04e220e0b2eb4246c8f33773e0185852.tar.gz | |
Backport fix for bug#18745 from master.
nt/cmdproxy.c (batch_file_p): New function.
(spawn): If calling a quoted batch file pass NULL for progname.
Diffstat (limited to 'nt')
| -rw-r--r-- | nt/ChangeLog | 6 | ||||
| -rw-r--r-- | nt/cmdproxy.c | 29 |
2 files changed, 35 insertions, 0 deletions
diff --git a/nt/ChangeLog b/nt/ChangeLog index d1f953f9ac5..861cb18f0b2 100644 --- a/nt/ChangeLog +++ b/nt/ChangeLog @@ -1,3 +1,9 @@ +2015-02-10 Noam Postavsky <npostavs@users.sourceforget.net> + + * nt/cmdproxy.c (batch_file_p): New function. + (spawn): If calling a quoted batch file pass NULL for progname. + (Bug#18745) + 2015-02-10 Eli Zaretskii <eliz@gnu.org> * cmdproxy.c (get_next_token): Don't make backslashes disappear diff --git a/nt/cmdproxy.c b/nt/cmdproxy.c index ce5815291df..16956288fef 100644 --- a/nt/cmdproxy.c +++ b/nt/cmdproxy.c @@ -243,6 +243,28 @@ get_next_token (char * buf, const char ** pSrc) return o - buf; } +/* Return TRUE if PROGNAME is a batch file. */ +BOOL +batch_file_p (const char *progname) +{ + const char *exts[] = {".bat", ".cmd"}; + int n_exts = sizeof (exts) / sizeof (char *); + int i; + + const char *ext = strrchr (progname, '.'); + + if (ext) + { + for (i = 0; i < n_exts; i++) + { + if (stricmp (ext, exts[i]) == 0) + return TRUE; + } + } + + return FALSE; +} + /* Search for EXEC file in DIR. If EXEC does not have an extension, DIR is searched for EXEC with the standard extensions appended. */ int @@ -524,6 +546,13 @@ spawn (const char *progname, char *cmdline, const char *dir, int *retcode) memset (&start, 0, sizeof (start)); start.cb = sizeof (start); + /* CreateProcess handles batch files as progname specially. This + special handling fails when both the batch file and arguments are + quoted. We pass NULL as progname to avoid the special + handling. */ + if (progname != NULL && cmdline[0] == '"' && batch_file_p (progname)) + progname = NULL; + if (CreateProcess (progname, cmdline, &sec_attrs, NULL, TRUE, 0, envblock, dir, &start, &child)) { |