diff options
Diffstat (limited to 'string/argz-next.c')
-rw-r--r-- | string/argz-next.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/string/argz-next.c b/string/argz-next.c new file mode 100644 index 0000000000..6149c7ee51 --- /dev/null +++ b/string/argz-next.c @@ -0,0 +1,39 @@ +/* Iterate through the elements of an argz block. + Copyright (C) 1995, 1996 Free Software Foundation, Inc. + + Written by Miles Bader <miles@gnu.ai.mit.edu> + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This program is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include <argz.h> +#include <string.h> + +char * +__argz_next (char *argz, size_t argz_len, const char *entry) +{ + if (entry) + { + if (entry < argz + argz_len) + entry = strchr (entry, '\0') + 1; + + return entry >= argz + argz_len ? NULL : entry; + } + else + if (argz_len > 0) + return argz; + else + return NULL; +} +weak_alias (__argz_next, argz_next) |