add ax88772C AX88772C_eeprom_tools

hc

2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2

 kernel/tools/testing/selftests/proc/read.c
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@@ -26,8 +26,10 @@
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 #include <dirent.h>
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 #include <stdbool.h>
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 #include <stdlib.h>
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+#include <stdio.h>
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 #include <string.h>
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 #include <sys/stat.h>
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+#include <sys/vfs.h>
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 #include <fcntl.h>
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 #include <unistd.h>
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..
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@@ -123,10 +125,22 @@
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 int main(void)
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 {
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 	DIR *d;
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+	struct statfs sfs;
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 	d = opendir("/proc");
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 	if (!d)
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+		return 4;
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+
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+	/* Ensure /proc is proc. */
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+	if (fstatfs(dirfd(d), &sfs) == -1) {
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+		return 1;
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+	}
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+	if (sfs.f_type != 0x9fa0) {
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+		fprintf(stderr, "error: unexpected f_type %lx\n", (long)sfs.f_type);
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 		return 2;
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+	}
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+
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 	f(d, 0);
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+
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 	return 0;
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 }