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9397e7e8eb
There is a certain amount of boilerplate to pass the call on the original function, so abstract it out as a C preprocessor macro, plus some extra includes in notmuch-test.h
50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
#ifndef _NOTMUCH_TEST_H
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#define _NOTMUCH_TEST_H
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE
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#endif
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#include <assert.h>
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#include <dlfcn.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <talloc.h>
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#include <unistd.h>
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#include <notmuch.h>
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inline static void
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expect0 (int line, notmuch_status_t ret)
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{
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if (ret) {
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fprintf (stderr, "line %d: %d\n", line, ret);
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exit (1);
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}
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}
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#define EXPECT0(v) expect0 (__LINE__, v);
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inline static void *
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dlsym_next (const char *symbol)
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{
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void *sym = dlsym (RTLD_NEXT, symbol);
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char *str = dlerror ();
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if (str != NULL) {
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fprintf (stderr, "finding symbol '%s' failed: %s", symbol, str);
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exit (77);
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}
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return sym;
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}
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#define WRAP_DLFUNC(_rtype, _func, _args) \
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_rtype _func _args; \
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_rtype _func _args { \
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static _rtype (*_func##_orig) _args = NULL; \
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if (! _func##_orig ) *(void **) (&_func##_orig) = dlsym_next (#_func);
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#endif
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