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Merge pull request #1844 from AhmedAbdellah19/adding_read_files_from_file_feature

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Adding --file=FILE feature
This commit is contained in:
Yann Collet
2019-10-25 10:11:47 -07:00
committed by GitHub
parent c2140e9db0 1faeb222b2
commit 14e9010bb5
4 changed files with 369 additions and 2 deletions
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46
programs/util.h
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@ -90,7 +90,7 @@ extern "C" {
* Constants
***************************************/
#define LIST_SIZE_INCREASE (8*1024)
#define MAX_FILE_OF_FILE_NAMES_SIZE (1<<20)*50
/*-****************************************
* Compiler specifics
@ -142,6 +142,50 @@ U32 UTIL_isLink(const char* infilename);
U64 UTIL_getFileSize(const char* infilename);
U64 UTIL_getTotalFileSize(const char* const * const fileNamesTable, unsigned nbFiles);
/*! UTIL_readLineFromFile(char* buf, size_t len, File* file):
* @return : int. size next line in file or -1 in case of file ends
* function reads next line in the file
* Will also modify `*file`, advancing it to position where it stopped reading.
*/
int UTIL_readLineFromFile(char* buf, size_t len, FILE* file);
/*Note: tableSize is denotes the total capacity of table*/
typedef struct
{
const char** fileNames;
char* buf;
size_t tableSize;
} FileNamesTable;
/*! UTIL_readFileNamesTableFromFile(const char* inputFileName) :
* @return : char** the fileNamesTable or NULL in case of not regular file or file doesn't exist.
* reads fileNamesTable from input fileName.
* Note: inputFileSize should be less than or equal 50MB
*/
FileNamesTable* UTIL_createFileNamesTable_fromFileName(const char* inputFileName);
/*! UTIL_freeFileNamesTable(const char** filenames, char* buf, size_t tableSize) :
* This function takes an buffered based filename, buf and tableSize to create its object.
* @return : FileNamesTable*
*/
FileNamesTable*
UTIL_createFileNamesTable(const char** filenames, char* buf, size_t tableSize);
/*! UTIL_freeFileNamesTable(FileNamesTable* table) :
* This function takes an buffered based table and frees it.
* @return : void.
*/
void UTIL_freeFileNamesTable(FileNamesTable* table);
/*! UTIL_concatenateTwoTables(FileNamesTable* table1,FileNamesTable* table2):
* takes table1, its maxSize, table2 and its maxSize, free them and returns its concatenation.
* @return : FileNamesTable* concatenation of two tables
* note table1 and table2 will be freed
*/
FileNamesTable* UTIL_concatenateTwoTables(FileNamesTable* table1, FileNamesTable* table2);
/*
* A modified version of realloc().