mirror of https://gitee.com/openkylin/qemu.git
39 lines
898 B
C
39 lines
898 B
C
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/* Check that --sysroot is applied to open(2).
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#sim: --sysroot=@exedir@
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We assume, with EXE being the name of the executable:
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- The simulator executes with cwd the same directory where the executable
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is located (so argv[0] contains a plain filename without directory
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components).
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- There's no /EXE on the host file system. */
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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 <errno.h>
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int main (int argc, char *argv[])
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{
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char *fnam = argv[0];
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FILE *f;
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if (argv[0][0] != '/')
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{
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fnam = malloc (strlen (argv[0]) + 2);
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if (fnam == NULL)
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abort ();
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strcpy (fnam, "/");
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strcat (fnam, argv[0]);
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}
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f = fopen (fnam, "rb");
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if (f == NULL)
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abort ();
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close (f);
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/* Cover another execution path. */
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if (fopen ("/nonexistent", "rb") != NULL
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|| errno != ENOENT)
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abort ();
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printf ("pass\n");
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return 0;
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}
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