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-rw-r--r--stdio/bug4.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/stdio/bug4.c b/stdio/bug4.c
new file mode 100644
index 0000000..8e67f1d
--- /dev/null
+++ b/stdio/bug4.c
@@ -0,0 +1,50 @@
+#ifdef _LIBC
+#include <ansidecl.h>
+#endif
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+
+int stdio_block_read = 1, stdio_block_write = 1;
+
+int
+DEFUN(main, (argc, argv),
+ int argc AND char **argv)
+{
+ FILE *f;
+ int i;
+ char buffer[31];
+
+ while ((i = getopt (argc, argv, "rw")) != EOF)
+ switch (i)
+ {
+ case 'r':
+ stdio_block_read = 0;
+ break;
+ case 'w':
+ stdio_block_write = 0;
+ break;
+ }
+
+ f = fopen("bugtest", "w+");
+ for (i=0; i<9000; i++) {
+ putc('x', f);
+ }
+ fseek(f, 8180L, 0);
+ fwrite("Where does this text come from?", 1, 31, f);
+ fseek(f, 8180L, 0);
+ fread(buffer, 1, 31, f);
+ fwrite(buffer, 1, 31, stdout);
+ fclose(f);
+
+ if (!memcmp (buffer, "Where does this text come from?", 31))
+ {
+ puts ("\nTest succeeded.");
+ return 0;
+ }
+ else
+ {
+ puts ("\nTest FAILED!");
+ return 1;
+ }
+}