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newlib-cygwin/newlib/libc/argz/argz_delete.c
Jeff Johnston bad5c314f7 2008-11-27 Craig Howland <howland@LGSInnovations.com>
* libc/argz/argz_add.c:  Added #include <argz.h> to get function
        prototypes.
        * libc/argz/argz_append.c: Ditto.
        * libc/argz/argz_count.c: Ditto.
        * libc/argz/argz_create.c: Ditto.
        * libc/argz/argz_create_sep.c: Ditto.
        * libc/argz/argz_delete.c: Ditto.
        * libc/argz/argz_next.c: Ditto.
        * libc/argz/argz_stringify.c: Ditto
        * libc/stdlib/strtod.c: Added #include <stdlib.h> to get function
        prototypes.
        * libc/stdlib/wcstoul.c: Added #include <wchar.h> to get function
        prototypes, corrected traditional usage comment.
        * libc/include/wchar.h: Added _mbsrtowcs_r() prototype.
2008-11-27 20:45:37 +00:00

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C

/* 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 <argz.h>
#include <errno.h>
#include <sys/types.h>
#include <string.h>
#include <stdlib.h>
error_t
_DEFUN (argz_delete, (argz, argz_len, entry),
char **argz _AND
size_t *argz_len _AND
char *entry)
{
int len = 0;
char *moveto = entry;
if (entry)
{
len = strlen(entry) + 1;
entry += len;
memmove(moveto, entry, *argz + *argz_len - entry);
*argz_len -= len;
if(!(*argz = (char *)realloc(*argz, *argz_len)))
return ENOMEM;
if (*argz_len <= 0)
{
free(*argz);
*argz = NULL;
}
}
return 0;
}