diff options
Diffstat (limited to 'newlib/libc/argz/argz_next.c')
-rw-r--r-- | newlib/libc/argz/argz_next.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/newlib/libc/argz/argz_next.c b/newlib/libc/argz/argz_next.c new file mode 100644 index 000000000..79da8473e --- /dev/null +++ b/newlib/libc/argz/argz_next.c @@ -0,0 +1,33 @@ +/* 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 <errno.h> +#include <sys/types.h> +#include <string.h> +#include <stdlib.h> + +char * +argz_next (char *argz, size_t argz_len, const char *entry) +{ + if (entry) + { + while(*entry != '\0') + entry++; + entry++; + + if (entry >= argz + argz_len) + return NULL; + else + return (char *) entry; + } + else + { + if (argz_len > 0) + return (char *) argz; + else + return NULL; + } +} |