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-rw-r--r--tests/size.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/tests/size.c b/tests/size.c
new file mode 100644
index 0000000..6b08f46
--- /dev/null
+++ b/tests/size.c
@@ -0,0 +1,83 @@
+#include <fcntl.h>
+#include <a.out.h>
+
+int verbose = 0;
+
+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;
+ if( verbose )
+ {
+ printf("Text segment of %s = %5ld (0x%lx)\n",
+ filename, ex.a_text, ex.a_text);
+ printf("Init data of %s = %5ld (0x%lx)\n",
+ filename, ex.a_data, ex.a_data);
+ printf("Uninit data of %s = %5ld (0x%lx)\n",
+ filename, ex.a_bss, ex.a_bss);
+ printf("Data segment of %s = %5ld (0x%lx)\n",
+ filename, ex.a_total, ex.a_total);
+ printf("Minimum size of %s = %5ld (0x%lx)\n",
+ filename, total, total);
+
+ total = ex.a_total;
+ if( ex.a_flags & A_SEP )
+ total += ex.a_text;
+ printf("Maximum size of %s = %5ld (0x%lx)\n",
+ filename, total, total);
+ }
+ else
+ 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;
+ if( verbose )
+ printf("Size of object %s = %5ld (0x%lx)\n",
+ filename, total, total);
+ else
+ 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 > 1 && strcmp(argv[1], "-v") == 0 )
+ {
+ verbose++;
+ argc--, argv++;
+ }
+ if (argc < 2)
+ {
+ printf("Usage: %s [-v] file\n", argv[0]);
+ exit(1);
+ }
+ if(!verbose)
+ printf("text\tdata\tbss\tdec\thex\tfilename\n");
+ for (--argc, ++argv; argc > 0; --argc, ++argv)
+ size(*argv);
+ exit(0);
+}