dd7dd21224
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@508 ec53bebd-3082-4978-b11e-865c3cabbd6b
39 lines
524 B
C
39 lines
524 B
C
#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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RCSID("$Id$");
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#include <stdlib.h>
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#include <string.h>
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#include "roken.h"
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extern char **environ;
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/*
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* unsetenv --
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*/
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void
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unsetenv(const char *name)
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{
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int len;
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const char *np;
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char **p;
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if (name == 0 || environ == 0)
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return;
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for (np = name; *np && *np != '='; np++)
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/* nop */;
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len = np - name;
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for (p = environ; *p != 0; p++)
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if (strncmp(*p, name, len) == 0 && (*p)[len] == '=')
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break;
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for (; *p != 0; p++)
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*p = *(p + 1);
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}
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