diff options
Diffstat (limited to 'newlib/libc/argz/argz_create.c')
-rw-r--r-- | newlib/libc/argz/argz_create.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/newlib/libc/argz/argz_create.c b/newlib/libc/argz/argz_create.c new file mode 100644 index 000000000..1708a2ede --- /dev/null +++ b/newlib/libc/argz/argz_create.c @@ -0,0 +1,46 @@ +/* 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> + +error_t +argz_create (char *const argv[], char **argz, size_t *argz_len) +{ + int argc = 0; + int i = 0; + int len = 0; + char *iter; + + *argz_len = 0; + + if (*argv == NULL) + { + *argz = NULL; + return 0; + } + + while (argv[argc]) + { + *argz_len += (strlen(argv[argc]) + 1); + argc++; + } + + /* There are argc strings to copy into argz. */ + if(!(*argz = (char *)malloc(*argz_len))) + return ENOMEM; + + iter = *argz; + for(i = 0; i < argc; i++) + { + len = strlen(argv[i]) + 1; + memcpy(iter, argv[i], len); + iter += len; + } + return 0; +} |