mirror of
https://github.com/protobuf-c/protobuf-c.git
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3695444f6a
git-svn-id: https://protobuf-c.googlecode.com/svn/trunk@262 00440858-1255-0410-a3e6-75ea37f81c3a
111 lines
3.9 KiB
Bash
Executable File
111 lines
3.9 KiB
Bash
Executable File
#! /bin/sh
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die () {
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echo "$1" 1>&2
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exit 1
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}
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die_unless_set () {
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eval "isset=\$$1"
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test -z "$isset" && die "$1 not set"
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}
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# test_is_equal DEFINE_TYPE SIZEOF_TYPE EVAL_IF_TRUE
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test_is_equal () {
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# Write out C file
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cat > test-compile-for-structure-packing-0.c <<EOF
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#include <inttypes.h>
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$1;
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int main ()
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{
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/* Program does not compile iff alignof(int32_t) is 2 */
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switch (0) { case $2: case sizeof(TYPE): ; }
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}
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EOF
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# If it DOESN'T compile, then the values are equal.
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$CC -o /dev/null test-compile-for-structure-packing-0.c > /dev/null 2>&1 || { eval "$3" ; }
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rm -f test-compile-for-structure-packing-0.c
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}
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test_is_not_equal () {
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# Write out C file
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cat > test-compile-for-structure-packing-0.c <<EOF
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#include <inttypes.h>
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$1;
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int main ()
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{
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/* Program does not compile iff alignof(int32_t) is 2 */
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switch (0) { case $2: case sizeof(TYPE): ; }
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}
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EOF
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# If it DOESN'T compile, then the values are equal.
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$CC -o /dev/null test-compile-for-structure-packing-0.c > /dev/null 2>&1 && { eval "$3" ; }
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rm -f test-compile-for-structure-packing-0.c
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}
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test_is_equal "typedef int TYPE" 2 "SIZEOF_INT=2"
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test_is_equal "typedef int TYPE" 4 "SIZEOF_INT=4"
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test_is_equal "typedef int TYPE" 8 "SIZEOF_INT=8"
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die_unless_set SIZEOF_INT
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test_is_equal "typedef void* TYPE" 2 "SIZEOF_POINTER=2"
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test_is_equal "typedef void* TYPE" 4 "SIZEOF_POINTER=4"
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test_is_equal "typedef void* TYPE" 8 "SIZEOF_POINTER=8"
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die_unless_set SIZEOF_POINTER
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test_is_not_equal "typedef float TYPE" 4 'die "expecting float to be 4 bytes"'
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test_is_not_equal "typedef double TYPE" 8 'die "expecting double to be 4 bytes"'
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test_is_equal "typedef struct { char c; int32_t i; }" 5 "ALIGNOF_INT32=1"
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test_is_equal "typedef struct { char c; int32_t i; }" 6 "ALIGNOF_INT32=2"
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test_is_equal "typedef struct { char c; int32_t i; }" 8 "ALIGNOF_INT32=4"
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die_unless_set ALIGNOF_INT32
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test_is_equal "typedef struct { char c; int64_t i; }" 9 "ALIGNOF_INT64=1"
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test_is_equal "typedef struct { char c; int64_t i; }" 10 "ALIGNOF_INT64=2"
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test_is_equal "typedef struct { char c; int64_t i; }" 12 "ALIGNOF_INT64=4"
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test_is_equal "typedef struct { char c; int64_t i; }" 16 "ALIGNOF_INT64=8"
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die_unless_set ALIGNOF_INT64
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test_is_equal "typedef struct { char c; float i; }" 5 "ALIGNOF_FLOAT=1"
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test_is_equal "typedef struct { char c; float i; }" 6 "ALIGNOF_FLOAT=2"
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test_is_equal "typedef struct { char c; float i; }" 8 "ALIGNOF_FLOAT=4"
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die_unless_set ALIGNOF_FLOAT
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test_is_equal "typedef struct { char c; double i; }" 9 "ALIGNOF_DOUBLE=1"
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test_is_equal "typedef struct { char c; double i; }" 10 "ALIGNOF_DOUBLE=2"
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test_is_equal "typedef struct { char c; double i; }" 12 "ALIGNOF_DOUBLE=4"
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test_is_equal "typedef struct { char c; double i; }" 16 "ALIGNOF_DOUBLE=8"
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die_unless_set ALIGNOF_DOUBLE
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case "$SIZEOF_POINTER" in
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2)
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test_is_equal "typedef struct { char c; void *i; }" 3 "ALIGNOF_POINTER=1"
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test_is_equal "typedef struct { char c; void *i; }" 4 "ALIGNOF_POINTER=2"
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;;
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4)
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test_is_equal "typedef struct { char c; void *i; }" 5 "ALIGNOF_POINTER=1"
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test_is_equal "typedef struct { char c; void *i; }" 6 "ALIGNOF_POINTER=2"
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test_is_equal "typedef struct { char c; void *i; }" 8 "ALIGNOF_POINTER=4"
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;;
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8)
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test_is_equal "typedef struct { char c; void *i; }" 9 "ALIGNOF_POINTER=1"
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test_is_equal "typedef struct { char c; void *i; }" 10 "ALIGNOF_POINTER=2"
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test_is_equal "typedef struct { char c; void *i; }" 12 "ALIGNOF_POINTER=4"
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test_is_equal "typedef struct { char c; void *i; }" 16 "ALIGNOF_POINTER=8"
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;;
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*)
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die "bad SIZEOF_POINTER=$SIZEOF_POINTER"
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esac
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die_unless_set ALIGNOF_POINTER
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case "$SIZEOF_INT" in
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2) ALIGNOF_INT=$ALIGNOF_INT16 ;;
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4) ALIGNOF_INT=$ALIGNOF_INT32 ;;
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8) ALIGNOF_INT=$ALIGNOF_INT64 ;;
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*) die "bad SIZEOF_INT=$SIZEOF_INT" ;;
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esac
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for a in SIZEOF_INT SIZEOF_POINTER \
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ALIGNOF_INT16 ALIGNOF_INT32 ALIGNOF_INT64 ALIGNOF_INT ALIGNOF_POINTER
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do
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eval "v=\$$a"
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echo "#define $a $v"
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done
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