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Merge r3780 from elftoolchain.

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Adjust argc and argv by optind before using them.  This slightly
simplifies the code.  No functional change intended.

MFC after:	3 days
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D21079
This commit is contained in:
Mark Johnston 2019-08-07 16:22:25 +00:00
parent ecdc19b50c
commit bbce101753
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=350679
1 changed files with 18 additions and 9 deletions
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27
contrib/elftoolchain/elfcopy/main.c
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@ -1017,13 +1017,16 @@ elfcopy_main(struct elfcopy *ecp, int argc, char **argv)
}
}
if (optind == argc || optind + 2 < argc)
argc -= optind;
argv += optind;
if (argc == 0 || argc > 2)
elfcopy_usage();
infile = argv[optind];
infile = argv[0];
outfile = NULL;
if (optind + 1 < argc)
outfile = argv[optind + 1];
if (argc > 1)
outfile = argv[1];
create_file(ecp, infile, outfile);
}
@ -1067,7 +1070,10 @@ mcs_main(struct elfcopy *ecp, int argc, char **argv)
}
}
if (optind == argc)
argc -= optind;
argv += optind;
if (argc == 0)
mcs_usage();
/* Must specify one operation at least. */
@ -1104,7 +1110,7 @@ mcs_main(struct elfcopy *ecp, int argc, char **argv)
sac->string = string;
}
for (i = optind; i < argc; i++) {
for (i = 0; i < argc; i++) {
/* If only -p is specified, output to /dev/null */
if (print && !append && !compress && !delete)
create_file(ecp, argv[i], "/dev/null");
@ -1180,21 +1186,24 @@ strip_main(struct elfcopy *ecp, int argc, char **argv)
}
}
argc -= optind;
argv += optind;
if (ecp->strip == 0 &&
((ecp->flags & DISCARD_LOCAL) == 0) &&
((ecp->flags & DISCARD_LLABEL) == 0) &&
lookup_symop_list(ecp, NULL, SYMOP_STRIP) == NULL)
ecp->strip = STRIP_ALL;
if (optind == argc)
if (argc == 0)
strip_usage();
/*
* Only accept a single input file if an output file had been
* specified.
*/
if (outfile != NULL && argc != (optind + 1))
if (outfile != NULL && argc != 1)
strip_usage();
for (i = optind; i < argc; i++)
for (i = 0; i < argc; i++)
create_file(ecp, argv[i], outfile);
}