diff options
| -rw-r--r-- | libiberty/ChangeLog | 8 | ||||
| -rw-r--r-- | libiberty/functions.texi | 22 | ||||
| -rw-r--r-- | libiberty/pex-common.h | 27 |
3 files changed, 44 insertions, 13 deletions
diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog index acdfad0..68f6f38 100644 --- a/libiberty/ChangeLog +++ b/libiberty/ChangeLog @@ -1,3 +1,11 @@ +2006-03-12 Jim Blandy <jimb@red-bean.com> + + * pex-common.h (struct pex_obj): Doc fixes. + +2006-03-11 Jim Blandy <jimb@red-bean.com> + + * functions.texi: Regenerate. + 2006-02-21 Ben Elliston <bje@au.ibm.com> * pexecute.c (pwait): Syntax fix for previous change. diff --git a/libiberty/functions.texi b/libiberty/functions.texi index 8b4a50e..a09e207 100644 --- a/libiberty/functions.texi +++ b/libiberty/functions.texi @@ -214,6 +214,26 @@ symbolic name or message. @end deftypefn +@c argv.c:293 +@deftypefn Extension void expandargv (int *@var{argcp}, char ***@var{argvp}) + +The @var{argcp} and @code{argvp} arguments are pointers to the usual +@code{argc} and @code{argv} arguments to @code{main}. This function +looks for arguments that begin with the character @samp{@@}. Any such +arguments are interpreted as ``response files''. The contents of the +response file are interpreted as additional command line options. In +particular, the file is separated into whitespace-separated strings; +each such string is taken as a command-line option. The new options +are inserted in place of the option naming the response file, and +@code{*argcp} and @code{*argvp} will be updated. If the value of +@code{*argvp} is modified by this function, then the new value has +been dynamically allocated and can be deallocated by the caller with +@code{freeargv}. However, most callers will simply call +@code{expandargv} near the beginning of @code{main} and allow the +operating system to free the memory when the program exits. + +@end deftypefn + @c fdmatch.c:23 @deftypefn Extension int fdmatch (int @var{fd1}, int @var{fd2}) @@ -1194,7 +1214,7 @@ translation is found, returns 0. @end deftypefn -@c strverscmp.c:24 +@c strverscmp.c:25 @deftypefun int strverscmp (const char *@var{s1}, const char *@var{s2}) The @code{strverscmp} function compares the string @var{s1} against @var{s2}, considering them as holding indices/version numbers. Return diff --git a/libiberty/pex-common.h b/libiberty/pex-common.h index bd4f908..b70b38d 100644 --- a/libiberty/pex-common.h +++ b/libiberty/pex-common.h @@ -61,7 +61,7 @@ struct pex_obj int next_input_name_allocated; /* Number of child processes. */ int count; - /* PIDs of child processes; array allocated using maloc. */ + /* PIDs of child processes; array allocated using malloc. */ long *children; /* Exit statuses of child processes; array allocated using malloc. */ int *status; @@ -88,10 +88,11 @@ struct pex_funcs { /* Open file NAME for reading. If BINARY is non-zero, open in binary mode. Return >= 0 on success, -1 on error. */ - int (*open_read) (struct pex_obj *, const char *name, int binary); + int (*open_read) (struct pex_obj *, const char */* name */, int /* binary */); /* Open file NAME for writing. If BINARY is non-zero, open in binary mode. Return >= 0 on success, -1 on error. */ - int (*open_write) (struct pex_obj *, const char *name, int binary); + int (*open_write) (struct pex_obj *, const char */* name */, + int /* binary */); /* Execute a child process. FLAGS, EXECUTABLE, ARGV, ERR are from pex_run. IN, OUT, ERRDES are each a descriptor, from open_read, open_write, or pipe, or they are one of STDIN_FILE_NO, @@ -99,25 +100,27 @@ struct pex_funcs should be closed. The function should handle the PEX_STDERR_TO_STDOUT flag. Return >= 0 on success, or -1 on error and set *ERRMSG and *ERR. */ - long (*exec_child) (struct pex_obj *, int flags, const char *executable, - char * const * argv, int in, int out, int errdes, - const char **errmsg, int *err); + long (*exec_child) (struct pex_obj *, int /* flags */, + const char */* executable */, char * const * /* argv */, + int /* in */, int /* out */, int /* errdes */, + const char **/* errmsg */, int */* err */); /* Close a descriptor. Return 0 on success, -1 on error. */ int (*close) (struct pex_obj *, int); /* Wait for a child to complete, returning exit status in *STATUS and time in *TIME (if it is not null). CHILD is from fork. DONE is 1 if this is called via pex_free. ERRMSG and ERR are as in fork. Return 0 on success, -1 on error. */ - int (*wait) (struct pex_obj *, long, int *status, struct pex_time *time, - int done, const char **errmsg, int *err); + int (*wait) (struct pex_obj *, long /* child */, int * /* status */, + struct pex_time * /* time */, int /* done */, + const char ** /* errmsg */, int * /* err */); /* Create a pipe (only called if PEX_USE_PIPES is set) storing two - descriptin in *P. If BINARY is non-zero, open in binary mode. - Return 0 on success, -1 on error. */ - int (*pipe) (struct pex_obj *, int *p, int binary); + descriptors in P[0] and P[1]. If BINARY is non-zero, open in + binary mode. Return 0 on success, -1 on error. */ + int (*pipe) (struct pex_obj *, int * /* p */, int /* binary */); /* Get a FILE pointer to read from a file descriptor (only called if PEX_USE_PIPES is set). If BINARY is non-zero, open in binary mode. Return pointer on success, NULL on error. */ - FILE * (*fdopenr) (struct pex_obj *, int fd, int binary); + FILE * (*fdopenr) (struct pex_obj *, int /* fd */, int /* binary */); /* Free any system dependent data associated with OBJ. May be NULL if there is nothing to do. */ void (*cleanup) (struct pex_obj *); |