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refactor code to only use FileNamesTable*

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This commit is contained in:
Yann Collet
2019-11-05 17:02:43 -08:00
parent 76b9e42b0b
commit b09f59390b
3 changed files with 393 additions and 420 deletions
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41
programs/util.h
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@ -159,12 +159,12 @@ U64 UTIL_getTotalFileSize(const char* const * fileNamesTable, unsigned nbFiles);
/* do not define UTIL_HAS_CREATEFILELIST */
#endif /* #ifdef _WIN32 */
/*Note: tableSize denotes the total capacity of table*/
typedef struct
{
const char** fileNames;
char* buf;
size_t tableSize;
char* buf; /* fileNames are stored in this buffer (or are read-only) */
size_t tableSize; /* nb of fileNames */
size_t tableCapacity;
} FileNamesTable;
/*! UTIL_createFileNamesTable_fromFileName() :
@ -183,7 +183,6 @@ UTIL_createFileNamesTable_fromFileName(const char* inputFileName);
FileNamesTable*
UTIL_createFileNamesTable(const char** filenames, size_t tableSize, char* buf);
/*! UTIL_freeFileNamesTable() :
* This function is compatible with NULL argument and never fails.
*/
@ -197,19 +196,31 @@ FileNamesTable*
UTIL_concatenateTwoTables(FileNamesTable* table1, FileNamesTable* table2);
/*
* UTIL_createFileList() :
* takes a list of files and directories (@inputNames, @inputNamesNb),
* scans directories, and returns a new list of files (@return, @allocatedBuffer, @allocatedNamesNb).
* In case of error, UTIL_createFileList() returns NULL.
* After list's end of life, the structures should be freed with UTIL_freeFileList (@return, @allocatedBuffer).
/*! UTIL_expandFileNamesTable() :
* read names from @fnt, expand those corresponding to directories
* @return : an expanded FileNamesTable*, with only file names,
* or NULL in case of error.
* Note: the function takes ownership of fnt, and consumes it (free it)
*/
const char**
UTIL_createFileList(const char **inputNames, unsigned inputNamesNb,
char** allocatedBuffer, unsigned* allocatedNamesNb,
int followLinks);
FileNamesTable* UTIL_expandFileNamesTable(FileNamesTable* fnt, int followLinks);
void UTIL_freeFileList(const char** filenameTable, char* allocatedBuffer);
/*! UTIL_allocateFileNamesTable() :
* Allocates a table of const char*, to insert read-only names later on.
* The created FileNamesTable* doesn't hold a buffer.
* @return : FileNamesTable*, or NULL, if allocation fails.
*/
FileNamesTable* UTIL_allocateFileNamesTable(size_t tableSize);
/*! UTIL_refFilename() :
* Add a read-only name to reference into @fnt table.
* Since @filename is only referenced, its lifetime must outlive @fnt.
* This function never fails, but it can abort().
* Internal table must be large enough to reference a new member
* (capacity > size), otherwise the function will abort().
*/
void UTIL_refFilename(FileNamesTable* fnt, const char* filename);
/*-****************************************