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/envz_strip.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 newlib/libc/argz/envz_strip.c (limited to 'newlib/libc/argz/envz_strip.c') diff --git a/newlib/libc/argz/envz_strip.c b/newlib/libc/argz/envz_strip.c new file mode 100644 index 000000000..f190befe8 --- /dev/null +++ b/newlib/libc/argz/envz_strip.c @@ -0,0 +1,40 @@ +/* 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 +#include + +void +envz_strip (char **envz, size_t *envz_len) +{ + char *entry = 0; + int len = 0; + int null_found = 0; + + while((entry = argz_next(*envz, *envz_len, entry))) + { + if(!strchr(entry, '=')) + { + null_found = 1; + len = strlen(entry) + 1; + /* Make sure this is not the last entry in envz. If it is, it + will be chopped off by the realloc anyway.*/ + if(*envz + *envz_len != entry + len - 1) + { + memmove(entry, entry + len, *envz + *envz_len - entry - len); + } + *envz_len -= len; + } + } + if(null_found) + { + *envz = (char *)realloc(*envz, *envz_len); + } +} -- cgit v1.2.3