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[/] [openrisc/] [trunk/] [gnu-old/] [newlib-1.17.0/] [newlib/] [libc/] [argz/] [envz_remove.c] - Rev 855
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/* 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> #include <argz.h> #include <envz.h> void _DEFUN (envz_remove, (envz, envz_len, name), char **envz _AND size_t *envz_len _AND const char *name) { char *entry = NULL; int len = 0; entry = envz_entry (*envz, *envz_len, name); if (entry) { len = strlen(entry) + 1; /* Not the last entry. */ if (*envz + *envz_len != entry + len - 1) { memmove(entry, entry + len, *envz + *envz_len - entry - len); } *envz = (char *)realloc(*envz, *envz_len - len); *envz_len -= len; } }
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