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attempt at using VarArgs annotation for variable arguments list #381

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attempt at using VarArgs annotation for variable arguments list #381

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202c76d
attempt at using VarArgs annotation for variable arguments list
Alain-Bearez Dec 18, 2017
1ba3433
introduce C test for vsnprintf
Alain-Bearez Dec 22, 2017
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17 changes: 16 additions & 1 deletion tools/gcc-bridge/compiler/src/test/resources/org/renjin/gcc/varargs.c
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Original file line number Diff line number Diff line change
Expand Up @@ -38,4 +38,19 @@ void test_varargs_invocation() {
ASSERT(varargs_i(1, 91, 92, 93) == 92);
ASSERT(varargs_i(2, 91, 92, 93) == 93);

}
}

char * invoke_vsnprintf(char *fmt, ...) {
char *x = malloc(100);
va_list args;
va_start(args, fmt);
vsnprintf(x, 100, fmt, args);
va_end(args);
return x;
}

void test_vsnprintf() {

ASSERT(strcmp(invoke_vsnprintf("Hello %s, you have %d messages", "Bob", 99), "Hello Bob, you have 99 messages") == 0);

}
4 changes: 4 additions & 0 deletions tools/gcc-bridge/runtime/src/main/java/org/renjin/gcc/runtime/Stdlib.java
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Original file line number Diff line number Diff line change
Expand Up @@ -317,6 +317,10 @@ public static int sprintf(BytePtr string, BytePtr format, Object... arguments) {
return snprintf(string, Integer.MAX_VALUE, format, arguments);
}

public static int vsnprintf(BytePtr string, int limit, BytePtr format, Object... arguments) {
return snprintf(string, limit, format, arguments);
}

public static int snprintf(BytePtr string, int limit, BytePtr format, Object... arguments) {

String outputString;
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