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-rw-r--r--libc/tests/size.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/libc/tests/size.c b/libc/tests/size.c
new file mode 100644
index 0000000..2d6676b
--- /dev/null
+++ b/libc/tests/size.c
@@ -0,0 +1,51 @@
+#include <fcntl.h>
+#include <a.out.h>
+
+void size(filename)
+ char *filename;
+{
+ int f;
+ struct exec ex;
+ long total;
+ int cc;
+
+ if ((f = open(filename, O_RDONLY)) < 0 )
+ {
+ perror(filename);
+ return;
+ }
+ cc = read(f, &ex, sizeof(ex));
+
+ if (cc == sizeof(ex) && !BADMAG(ex))
+ {
+ total = ex.a_text + ex.a_data + ex.a_bss;
+ printf("%-ld\t%-ld\t%-ld\t%-ld\t%-lx\t%s\n",
+ ex.a_text, ex.a_data, ex.a_bss, total, total,
+ filename);
+ }
+ else if( cc > 16 && memcmp(&ex, "\243\206\001\000*", 5) == 0 )
+ { /* *.o file */
+ total = ((unsigned char*)&ex)[9] +
+ ((unsigned char*)&ex)[10] * 256;
+ printf("\t\t\t%-ld\t%-lx\t%s\n",
+ total, total, filename);
+ }
+ else
+ printf("%s: Not an a.out file\n", filename);
+ close(f);
+}
+
+int main(argc, argv)
+ int argc;
+ char **argv;
+{
+ if (argc < 2)
+ {
+ printf("Usage: %s file\n", argv[0]);
+ exit(1);
+ }
+ printf("text\tdata\tbss\tdec\thex\tfilename\n");
+ for (--argc, ++argv; argc > 0; --argc, ++argv)
+ size(*argv);
+ exit(0);
+}