mirror of
https://github.com/jart/cosmopolitan.git
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af645fcbec
- Add Lua backtraces to redbean! - Wipe serving keys after redbean forks - Audit redbean to remove free via exit - Log SSL client ciphersuite preferences - Increase ASAN malloc() backtrace depth - Make GetSslRoots() behave as a singleton - Move leaks.c from LIBC_TESTLIB to LIBC_LOG - Add undocumented %n to printf() for newlines - Fix redbean memory leak reindexing inode change - Fix redbean memory leak with Fetch() DNS object - Restore original environ after __cxa_finalize() - Make backtrace always work after __cxa_finalize() - Introduce COUNTEXPR() diagnostic / benchmark tool - Fix a few more instances of errno being clobbered - Consolidate the ANSI color disabling internal APIs
42 lines
2.5 KiB
C
42 lines
2.5 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/sysdebug.internal.h"
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#include "libc/mem/internal.h"
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#include "libc/mem/mem.h"
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#include "libc/runtime/runtime.h"
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#include "libc/str/str.h"
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/**
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* Copies variable to environment.
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*
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* @return 0 on success, or -1 w/ errno
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* @see putenv(), getenv()
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*/
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int setenv(const char *name, const char *value, int overwrite) {
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int rc;
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char *s;
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size_t namelen, valuelen;
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namelen = strlen(name);
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valuelen = strlen(value);
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s = malloc(namelen + valuelen + 2);
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memcpy(mempcpy(mempcpy(s, name, namelen), "=", 1), value, valuelen + 1);
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rc = PutEnvImpl(s, overwrite);
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SYSDEBUG("setenv(%#s, %#s, %d) → %d", name, value, overwrite, rc);
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return rc;
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}
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