diff options
-rw-r--r-- | argp/argp-parse.c | 35 |
1 files changed, 11 insertions, 24 deletions
diff --git a/argp/argp-parse.c b/argp/argp-parse.c index a44b50f..1ff2612 100644 --- a/argp/argp-parse.c +++ b/argp/argp-parse.c @@ -21,21 +21,6 @@ #include <config.h> #endif -/* AIX requires this to be the first thing in the file. */ -#ifndef __GNUC__ -# if HAVE_ALLOCA_H || defined _LIBC -# include <alloca.h> -# else -# ifdef _AIX -#pragma alloca -# else -# ifndef alloca /* predefined by HP cc +Olibcalls */ -char *alloca (); -# endif -# endif -# endif -#endif - #include <stdlib.h> #include <string.h> #include <unistd.h> @@ -884,6 +869,9 @@ __argp_parse (const struct argp *argp, int argc, char **argv, unsigned flags, error_t err; struct parser parser; + struct argp_child child[4]; + struct argp top_argp; + /* If true, then err == EBADKEY is a result of a non-option argument failing to be parsed (which in some cases isn't actually an error). */ int arg_ebadkey = 0; @@ -891,24 +879,23 @@ __argp_parse (const struct argp *argp, int argc, char **argv, unsigned flags, if (! (flags & ARGP_NO_HELP)) /* Add our own options. */ { - struct argp_child *child = alloca (4 * sizeof (struct argp_child)); - struct argp *top_argp = alloca (sizeof (struct argp)); + int child_index = 0; /* TOP_ARGP has no options, it just serves to group the user & default argps. */ - memset (top_argp, 0, sizeof (*top_argp)); - top_argp->children = child; + memset (&top_argp, 0, sizeof (struct argp)); + top_argp.children = child; memset (child, 0, 4 * sizeof (struct argp_child)); if (argp) - (child++)->argp = argp; - (child++)->argp = &argp_default_argp; + child[child_index++].argp = argp; + child[child_index++].argp = &argp_default_argp; if (argp_program_version || argp_program_version_hook) - (child++)->argp = &argp_version_argp; - child->argp = 0; + child[child_index++].argp = &argp_version_argp; + child[child_index].argp = 0; - argp = top_argp; + argp = &top_argp; } /* Construct a parser for these arguments. */ |