forked from Ports/goldeneye-pc-port
James Dansereau
d9d7cd3586
Swept all 178 getenv sites; 97 were uncached. The load-time/one-shot ones stay as-is. The 25 on per-frame/per-node/per-string/audio-thread paths (langGet, modelGetNodeRwData, modelRenderNodeGundl, skyRender and its poly path, chrpropRender, frozen-camera tick, amDmaCallback, alRaw16Pull, _decodeChunk, __CSPHandleMIDIMsg, sndHandleEvent, audioSetNextBuffer, configGetInputLog/configGetFrameDump) now go through GE_ENVFLAG/GE_ENVSTR (port/include/envflag.h): one getenv per site per process, exact since the env is fixed. All sites are inside PORT probe blocks; no game logic touched. Windows + Linux builds clean (only pre-existing, D324-audited warnings); bunker1 golden 3/3; GE_INPUTLOG still gates on (12 lines with scripted input).
21 lines
806 B
C
21 lines
806 B
C
#ifndef _ENVFLAG_H_
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#define _ENVFLAG_H_
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/* Cached env-var probes for hot paths (D250/D302: an uncached getenv() per
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* node/poly/audio event is a measurable per-frame cost on Windows). Each
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* expansion site gets its own static, read once on first use; the env is
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* fixed for the process lifetime, so this is exact. The TU must already have
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* a real getenv() prototype (see D324). GCC/Clang statement expressions. */
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#define GE_ENVFLAG(name) __extension__({ \
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static int _ge_envflag = -1; \
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if (_ge_envflag < 0) _ge_envflag = getenv(name) != NULL; \
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_ge_envflag; })
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#define GE_ENVSTR(name) __extension__({ \
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static int _ge_envstr_init = 0; \
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static const char *_ge_envstr; \
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if (!_ge_envstr_init) { _ge_envstr = getenv(name); _ge_envstr_init = 1; } \
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_ge_envstr; })
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#endif
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