From b56d7e7937d0604025833e8c881f96c1d0e4147f Mon Sep 17 00:00:00 2001 From: Thomas Fitzsimmons Date: Fri, 14 Jun 2002 20:51:09 +0000 Subject: * libc/argz: New directory. * libc/argz/*: New files. * libc/argz/argz_add.c: New file. * libc/argz/argz_add_sep.c: New file. * libc/argz/argz_append.c: New file. * libc/argz/argz_count.c: New file. * libc/argz/argz_create.c: New file. * libc/argz/argz_create_sep.c: New file. * libc/argz/argz_delete.c: New file. * libc/argz/argz_extract.c: New file. * libc/argz/argz_insert.c: New file. * libc/argz/argz_next.c: New file. * libc/argz/argz_replace.c: New file. * libc/argz/argz_stringify.c: New file. * libc/argz/buf_findstr.c: New file. * libc/argz/envz_add.c: New file. * libc/argz/envz_entry.c: New file. * libc/argz/envz_get.c: New file. * libc/argz/envz_merge.c: New file. * libc/argz/envz_remove.c: New file. * libc/argz/envz_strip.c: New file. * libc/include/argz.h: New file. * libc/include/envz.h: New file. * Makefile.am (LIBC_OBJECTLISTS): Add libc/argz/objectlist.awk.in. * libc/Makefile.am (SUBDIRS): Add argz. (SUBLIBS): Add argz/libargz.la. * libc/configure.in (AC_OUTPUT): Add argz/Makefile. * libc/include/errno.h: Add error_t typedef. --- newlib/libc/argz/argz_insert.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 newlib/libc/argz/argz_insert.c (limited to 'newlib/libc/argz/argz_insert.c') diff --git a/newlib/libc/argz/argz_insert.c b/newlib/libc/argz/argz_insert.c new file mode 100644 index 000000000..af16301c5 --- /dev/null +++ b/newlib/libc/argz/argz_insert.c @@ -0,0 +1,38 @@ +/* Copyright (C) 2002 by Red Hat, Incorporated. All rights reserved. + * + * Permission to use, copy, modify, and distribute this software + * is freely granted, provided that this notice is preserved. + */ + +#include +#include +#include +#include +#include + +error_t +argz_insert (char **argz, size_t *argz_len, char *before, const char *entry) +{ + int len = 0; + + if (before == NULL) + argz_add(argz, argz_len, entry); + + if (before < *argz || before >= *argz + *argz_len) + return EINVAL; + + while (before != *argz && before[-1]) + before--; + + len = strlen(entry) + 1; + + if(!(*argz = (char *)realloc(*argz, *argz_len + len))) + return ENOMEM; + + memmove(before + len, before, *argz + *argz_len - before); + memcpy(before, entry, len); + + *argz_len += len; + + return 0; +} -- cgit v1.2.3