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[Tinycc-devel] Preprocessor directive "pragma"

From: suote127
Subject: [Tinycc-devel] Preprocessor directive "pragma"
Date: Thu, 19 Aug 2021 18:14:35 +0800
User-agent: Mutt/1.9.4 (2018-02-28)

        At first,I am sorry for my poor English.
        I am compiling a program which processes binary data package.To avoid 
excess padding,it uses "#pragma" to disable padding.But an error occurred while 
compiling with TCC.TCC does not accept pragma option "pack" with only an 
operator "push".For example,


/*      This    */
#pragma pack(push)
#pragma pack(1)

struct foo {
        char c;
        int b;

/*      This    */
#pragma pack(pop)

int main(void)
        printf("%zd\n",sizeof(struct foo));
        return 0;

        Code like the above example works fine for both gcc 7.5.0 and Clang 
6.0.0 on Ubuntu 18.04LTS.But tcc failed to compile it.
        I made a small patch to fix this problem.All tests are passed(with make 


Attachment: diff.patch
Description: Text Data

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