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Commit8cfc6be

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Use one fwrite+memcpy insted three fwrite.

1 parentf69e780 commit8cfc6beCopy full SHA for 8cfc6be

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+18

-6

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data.c

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+18

-6

lines changed

`‎data.c`

Lines changed: 18 additions & 6 deletions

Original file line number	Diff line number	Diff line change
`@@ -72,6 +72,8 @@ backup_data_file(const char from_root, const char to_root,`
`72`	`72`	`size_tread_len=0;`
`73`	`73`	`pg_crc32crc;`
`74`	`74`	`off_toffset;`
	`75`	`+charwrite_buffer[sizeof(header)+BLCKSZ];`
	`76`	`+size_twrite_buffer_real_size;`
`75`	`77`
`76`	`78`	`INIT_CRC32C(crc);`
`77`	`79`
`@@ -212,10 +214,15 @@ backup_data_file(const char from_root, const char to_root,`
`212`	`214`	`upper_offset=header.hole_offset+header.hole_length;`
`213`	`215`	`upper_length=BLCKSZ-upper_offset;`
`214`	`216`
	`217`	`+write_buffer_real_size=sizeof(header)+header.hole_offset+upper_length;`
	`218`	`+memcpy(write_buffer,&header,sizeof(header));`
	`219`	`+if (header.hole_offset)`
	`220`	`+memcpy(write_buffer+sizeof(header),page.data,header.hole_offset);`
	`221`	`+if (upper_length)`
	`222`	`+memcpy(write_buffer+sizeof(header)+header.hole_offset,page.data+upper_offset,upper_length);`
	`223`	`+`
`215`	`224`	`/* write data page excluding hole */`
`216`		`-if (fwrite(&header,1,sizeof(header),out)!=sizeof(header)\|\|`
`217`		`-fwrite(page.data,1,header.hole_offset,out)!=header.hole_offset\|\|`
`218`		`-fwrite(page.data+upper_offset,1,upper_length,out)!=upper_length)`
	`225`	`+if(fwrite(write_buffer,1,write_buffer_real_size,out)!=write_buffer_real_size)`
`219`	`226`	`{`
`220`	`227`	`interrno_tmp=errno;`
`221`	`228`	`/* oops */`
`@@ -331,10 +338,15 @@ backup_data_file(const char from_root, const char to_root,`
`331`	`338`	`upper_offset=header.hole_offset+header.hole_length;`
`332`	`339`	`upper_length=BLCKSZ-upper_offset;`
`333`	`340`
	`341`	`+write_buffer_real_size=sizeof(header)+header.hole_offset+upper_length;`
	`342`	`+memcpy(write_buffer,&header,sizeof(header));`
	`343`	`+if (header.hole_offset)`
	`344`	`+memcpy(write_buffer+sizeof(header),page.data,header.hole_offset);`
	`345`	`+if (upper_length)`
	`346`	`+memcpy(write_buffer+sizeof(header)+header.hole_offset,page.data+upper_offset,upper_length);`
	`347`	`+`
`334`	`348`	`/* write data page excluding hole */`
`335`		`-if (fwrite(&header,1,sizeof(header),out)!=sizeof(header)\|\|`
`336`		`-fwrite(page.data,1,header.hole_offset,out)!=header.hole_offset\|\|`
`337`		`-fwrite(page.data+upper_offset,1,upper_length,out)!=upper_length)`
	`349`	`+if(fwrite(write_buffer,1,write_buffer_real_size,out)!=write_buffer_real_size)`
`338`	`350`	`{`
`339`	`351`	`interrno_tmp=errno;`
`340`	`352`	`/* oops */`

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Commit8cfc6be

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`‎data.c`

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