47 lines
1005 B
C
47 lines
1005 B
C
/* Copyright (C) 2002 by Red Hat, Incorporated. All rights reserved.
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*
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* Permission to use, copy, modify, and distribute this software
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* is freely granted, provided that this notice is preserved.
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*/
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#include <errno.h>
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#include <sys/types.h>
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#include <string.h>
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#include <stdlib.h>
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#include <argz.h>
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#include <envz.h>
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error_t
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envz_add (char **envz,
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size_t *envz_len,
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const char *name,
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const char *value)
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{
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char *concat = NULL;
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int name_len = 0;
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int val_len = 0;
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int retval = 0;
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envz_remove(envz, envz_len, name);
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if (value)
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{
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name_len = strlen(name);
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val_len = strlen(value);
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if(!(concat = (char *) malloc(name_len + val_len + 2)))
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return ENOMEM;
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memcpy(concat, name, name_len);
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concat[name_len] = '=';
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memcpy(concat + name_len + 1, value, val_len + 1);
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retval = argz_add(envz, envz_len, concat);
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free(concat);
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}
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else
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{
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retval = argz_add(envz, envz_len, name);
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}
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return retval;
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}
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