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4531
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1 #!/bin/sh
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2
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3 if [ "$#" = 0 ]; then
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4 echo "usage: $0 [-w wrapper] <C code...>" >&2
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5 exit 1
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6 fi
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7
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8 if [ "$1" = -w ]; then
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9 wrapper="$2"
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10 shift 2
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11 fi
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12
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13 f=$(mktemp -d -t gccrun.XXXXXXXX) || exit 1
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14 cat > "$f/command.c" << EOF
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15 #define _GNU_SOURCE
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16 #include <sys/types.h>
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17 #include <sys/stat.h>
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18 #include <sys/mman.h>
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19 #include <sys/ptrace.h>
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20 #include <sys/syscall.h>
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21 #include <arpa/inet.h>
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22 #include <errno.h>
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23 #include <fcntl.h>
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24 #include <signal.h>
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25 #include <stdio.h>
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26 #include <stdlib.h>
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27 #include <string.h>
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28 #include <unistd.h>
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29 #include <math.h>
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30
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31 int
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32 main(int argc, char *argv[], char *envp[])
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33 {
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34 $1;
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35 return 0;
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36 }
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37 EOF
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38 shift
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39 if ! gcc -o "$f/command" "$f/command.c" $@ -lm; then
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40 exit 1
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41 fi
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42 if [ -n "$wrapper" ]; then
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43 $wrapper "$f/command"
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44 else
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45 "$f/command"
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46 fi
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47 r=$?
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48 rm -r "$f"
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49 exit $r
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