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Application #165

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Application #165

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3fa6885
lastaddr error resolved
abhaykoushal Jan 28, 2022
e3c7252
application added : yes
abhaykoushal Jan 28, 2022
489e9c3
Revert "application added : yes"
abhaykoushal Jan 28, 2022
d14a1e3
application : yes
abhaykoushal Jan 28, 2022
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3 changes: 2 additions & 1 deletion Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -181,6 +181,7 @@ UPROGS=\
_usertests\
_wc\
_zombie\
_yes\

fs.img: mkfs README $(UPROGS)
./mkfs fs.img README $(UPROGS)
Expand Down Expand Up @@ -250,7 +251,7 @@ qemu-nox-gdb: fs.img xv6.img .gdbinit
EXTRA=\
mkfs.c ulib.c user.h cat.c echo.c forktest.c grep.c kill.c\
ln.c ls.c mkdir.c rm.c stressfs.c usertests.c wc.c zombie.c\
printf.c umalloc.c\
printf.c umalloc.c yes.c\
README dot-bochsrc *.pl toc.* runoff runoff1 runoff.list\
.gdbinit.tmpl gdbutil\

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4 changes: 4 additions & 0 deletions usertests.c
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Expand Up @@ -1458,7 +1458,11 @@ sbrktest(void)
exit();
}
lastaddr = (char*) (BIG-1);

#pragma GCC diagnostic ignored "-Wstringop-overflow"
*lastaddr = 99;
#pragma GCC diagnostic pop


// can one de-allocate?
a = sbrk(0);
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13 changes: 13 additions & 0 deletions yes.c
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Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
#include "types.h"
#include "stat.h"
#include "user.h"

int
main(int argc, char *argv[])
{
for (int i = 0; i < 100; i++)
printf(1, "%s\n", (argc>1? argv[1]: "y"));
// printf(1, "y\n");
exit();
}