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33 lines
752 B
C
33 lines
752 B
C
#include <toku_portability.h>
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#include <windows.h>
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#include <toku_stdlib.h>
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#include <assert.h>
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int
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setenv(const char *name, const char *value, int overwrite) {
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char * current = getenv(name);
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BOOL exists = current!=NULL;
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int r;
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if (overwrite || !exists) {
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char setstring[sizeof("=") + strlen(name) + strlen(value)];
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int bytes = snprintf(setstring, sizeof(setstring), "%s=%s", name, value);
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assert(bytes>=0);
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assert((size_t)bytes < sizeof(setstring));
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r = _putenv(setstring);
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if (r==-1) {
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errno = GetLastError();
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goto cleanup;
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}
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}
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r = 0;
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cleanup:
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return r;
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}
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int
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unsetenv(const char *name) {
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int r = setenv(name, "", 1);
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return r;
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}
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