e15f7de60c
Quite a few tests include libc-internal.h just for the DIAG_* macros. Split those macros to their own file, which can be included safely in _ISOMAC mode. I also moved ignore_value, since it seems logically related, even though I didn't notice any tests needing it. Also add -Wnonnull suppressions to two tests that _should_ have them, but the error is masked when compiling against internal headers. * include/libc-diag.h: New file. Define ignore_value, DIAG_PUSH_NEEDS_COMMENT, DIAG_POP_NEEDS_COMMENT, DIAG_IGNORE_NEEDS_COMMENT, and DIAG_IGNORE_Os_NEEDS_COMMENT here. * include/libc-internal.h: Definitions of above macros moved from here. Include libc-diag.h. Add copyright notice. * malloc/tst-malloc.c, malloc/tst-memcheck.c, malloc/tst-realloc.c * misc/tst-error1.c, posix/tst-dir.c, stdio-common/bug21.c * stdio-common/scanf14.c, stdio-common/scanf4.c, stdio-common/scanf7.c * stdio-common/test-vfprintf.c, stdio-common/tst-printf.c * stdio-common/tst-printfsz.c, stdio-common/tst-sprintf.c * stdio-common/tst-unlockedio.c, stdio-common/tstdiomisc.c * stdlib/bug-getcontext.c, string/tester.c, string/tst-endian.c * time/tst-strptime2.c, wcsmbs/tst-wcstof.c: Include libc-diag.h instead of libc-internal.h. * stdlib/tst-environ.c: Include libc-diag.h. Suppress -Wnonnull for call to unsetenv (NULL). * nptl/tst-mutex1.c: Include libc-diag.h. Suppress -Wnonnull for call to pthread_mutexattr_destroy (NULL).
41 lines
731 B
C
41 lines
731 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <libc-diag.h>
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int
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main(int arc, char *argv[])
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{
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int res;
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unsigned int val;
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FILE *fp = fopen ("/dev/null", "r");
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val = 0;
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res = fscanf(fp, "%n", &val);
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printf("Result of fscanf %%n = %d\n", res);
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printf("Scanned format = %d\n", val);
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/* We're testing exactly the case the warning is for. */
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DIAG_PUSH_NEEDS_COMMENT;
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DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat-zero-length");
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res = fscanf(fp, "");
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DIAG_POP_NEEDS_COMMENT;
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printf("Result of fscanf \"\" = %d\n", res);
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if (res != 0)
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abort ();
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res = fscanf(fp, "BLURB");
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printf("Result of fscanf \"BLURB\" = %d\n", res);
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if (res >= 0)
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abort ();
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fclose (fp);
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return 0;
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return 0;
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}
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