forked from OSchip/llvm-project
27 lines
647 B
C
27 lines
647 B
C
// RUN: %clang -O0 %s -o %t && %run %t
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#include <assert.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/types.h>
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#include <unistd.h>
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int main(int argc, char **argv) {
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char symlink_path[PATH_MAX];
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snprintf(symlink_path, sizeof(symlink_path), "%s_%d.symlink", argv[0],
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getpid());
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remove(symlink_path);
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int res = symlink(argv[0], symlink_path);
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assert(!res);
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char readlink_path[PATH_MAX];
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ssize_t res2 = readlink(symlink_path, readlink_path, sizeof(readlink_path));
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assert(res2 >= 0);
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readlink_path[res2] = '\0';
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assert(!strcmp(readlink_path, argv[0]));
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return 0;
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}
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