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[C] fix decode function #5642

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merged 3 commits into from
Mar 27, 2020
Merged

[C] fix decode function #5642

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93db673
fix function names and add parameter to return decoded bytes length f…
zhemant Mar 20, 2020
5558b6c
format base64decode function to avoid unnecessary malloc and fix wron…
zhemant Mar 20, 2020
7b16fc7
update the pointer assigning
zhemant Mar 20, 2020
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5 changes: 3 additions & 2 deletions modules/openapi-generator/src/main/resources/C-libcurl/apiClient.c.mustache
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Original file line number Diff line number Diff line change
Expand Up @@ -578,7 +578,7 @@ char *strReplace(char *orig, char *rep, char *with) {
return result;
}

char *sbi_base64encode (const void *b64_encode_this, int encode_this_many_bytes){
char *base64encode (const void *b64_encode_this, int encode_this_many_bytes){
#ifdef OPENSSL
BIO *b64_bio, *mem_bio; //Declares two OpenSSL BIOs: a base64 filter and a memory BIO.
BUF_MEM *mem_bio_mem_ptr; //Pointer to a "memory BIO" structure holding our base64 data.
Expand All @@ -597,7 +597,7 @@ char *sbi_base64encode (const void *b64_encode_this, int encode_this_many_bytes)
#endif
}

char *sbi_base64decode (const void *b64_decode_this, int decode_this_many_bytes){
char *base64decode (const void *b64_decode_this, int decode_this_many_bytes, int *decoded_bytes){
#ifdef OPENSSL
BIO *b64_bio, *mem_bio; //Declares two OpenSSL BIOs: a base64 filter and a memory BIO.
char *base64_decoded = calloc( (decode_this_many_bytes*3)/4+1, sizeof(char) ); //+1 = null.
Expand All @@ -611,6 +611,7 @@ char *sbi_base64decode (const void *b64_decode_this, int decode_this_many_bytes)
decoded_byte_index++; //Increment the index until read of BIO decoded data is complete.
} //Once we're done reading decoded data, BIO_read returns -1 even though there's no error.
BIO_free_all(b64_bio); //Destroys all BIOs in chain, starting with b64 (i.e. the 1st one).
*decoded_bytes = decoded_byte_index;
return base64_decoded; //Returns base-64 decoded data with trailing null terminator.
#endif
}
5 changes: 1 addition & 4 deletions modules/openapi-generator/src/main/resources/C-libcurl/model-body.mustache
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Expand Up @@ -520,13 +520,10 @@ fail:
{
goto end; //Binary
}
char* decoded = base64decode({{{name}}}->valuestring, strlen({{{name}}}->valuestring));
decoded_str_{{{name}}}->data = malloc(strlen(decoded) - 1);
decoded_str_{{{name}}}->data = base64decode({{{name}}}->valuestring, strlen({{{name}}}->valuestring), &decoded_str_{{{name}}}->len);
if (!decoded_str_{{{name}}}->data) {
goto end;
}
memcpy(decoded_str_{{{name}}}->data,decoded,(strlen(decoded)-1));
decoded_str_{{{name}}}->len = strlen(decoded) - 1;
{{/isBinary}}
{{#isDate}}
{{^required}}if ({{{name}}}) { {{/required}}
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