* libiberty.h (PEX_STDERR_TO_PIPE): New define.
        (PEX_BINARY_ERROR): New define.
        (pex_read_err): New function.

        libiberty/
        * pex-common.h (struct pex_obj): New fields
        stderr_pipe and read_err.
        * pex-common.c (pex_init_common): Initialize
        stderr_pipe.
        (pex_run_in_environment): Add error checking
        for PEX_STDERR_TO_PIPE.  Create a pipe
        for stderr if necessary.
        (pex_read_err): New.
        (pex_free): Close read_err.
        * pexecute.txh: Document changes.
        * functions.texi: Regenerated.
This commit is contained in:
Vladimir Prus 2007-01-31 18:49:40 +00:00
parent 9cde55ad2d
commit 8c8e5f6dcc
2 changed files with 27 additions and 0 deletions

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@ -1,3 +1,9 @@
2007-01-31 Vladimir Prus <vladimir@codesourcery.com>
* libiberty.h (PEX_STDERR_TO_PIPE): New define.
(PEX_BINARY_ERROR): New define.
(pex_read_err): New function.
2007-01-29 Simon Baldwin <simonb@google.com>
* demangle.h: New cplus_demangle_print_callback,

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@ -400,6 +400,19 @@ extern struct pex_obj *pex_init (int flags, const char *pname,
PEX_BINARY_INPUT. */
#define PEX_BINARY_OUTPUT 0x20
/* Capture stderr to a pipe. The output can be read by
calling pex_read_err and reading from the returned
FILE object. This flag may be specified only for
the last program in a pipeline.
This flag is supported only on Unix and Windows. */
#define PEX_STDERR_TO_PIPE 0x40
/* Capture stderr in binary mode. This flag is ignored
on Unix. */
#define PEX_BINARY_ERROR 0x80
/* Execute one program. Returns NULL on success. On error returns an
error string (typically just the name of a system call); the error
string is statically allocated.
@ -521,6 +534,14 @@ extern FILE *pex_input_pipe (struct pex_obj *obj, int binary);
extern FILE *pex_read_output (struct pex_obj *, int binary);
/* Read the standard error of the last program to be executed.
pex_run can not be called after this. BINARY should be non-zero if
the file should be opened in binary mode; this is ignored on Unix.
Returns NULL on error. Don't call fclose on the returned FILE; it
will be closed by pex_free. */
extern FILE *pex_read_err (struct pex_obj *, int binary);
/* Return exit status of all programs in VECTOR. COUNT indicates the
size of VECTOR. The status codes in the vector are in the order of
the calls to pex_run. Returns 0 on error, 1 on success. */