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* 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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6
include/ChangeLog
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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> 2007-01-29 Simon Baldwin <simonb@google.com>
* demangle.h: New cplus_demangle_print_callback, * demangle.h: New cplus_demangle_print_callback,

21
include/libiberty.h
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@ -400,6 +400,19 @@ extern struct pex_obj *pex_init (int flags, const char *pname,
PEX_BINARY_INPUT. */ PEX_BINARY_INPUT. */
#define PEX_BINARY_OUTPUT 0x20 #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 /* Execute one program. Returns NULL on success. On error returns an
error string (typically just the name of a system call); the error error string (typically just the name of a system call); the error
string is statically allocated. 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); 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 /* 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 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. */ the calls to pex_run. Returns 0 on error, 1 on success. */