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adding support for -O flag: multiple files into one directory for compressions (decompression to come)

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This commit is contained in:
Sen Huang
2019-09-05 16:03:35 -07:00
parent b8327ac4c6
commit 7f98b46876
5 changed files with 101 additions and 24 deletions
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43
programs/util.c
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@ -87,6 +87,49 @@ U32 UTIL_isDirectory(const char* infilename)
return 0;
}
int UTIL_createDir(const char* outDirName) {
if (UTIL_isDirectory(outDirName)) {
return 0; /* no need to create if directory already exists */
}
int r;
#if defined(_MSC_VER)
r = _mkdir(outDirName);
if (r || !UTIL_isDirectory(outDirName)) return 1;
#else
r = mkdir(outDirName, S_IRWXU | S_IRWXG | S_IRWXO); /* dir has all permissions */
if (r || !UTIL_isDirectory(outDirName)) return 1;
#endif
return 0;
}
void UTIL_createDestinationDirTable(const char** filenameTable, unsigned nbFiles,
const char* outDirName, char** dstFilenameTable)
{
unsigned u;
char c;
c = '/';
/* duplicate source file table */
for (u = 0; u < nbFiles; ++u) {
char* filename;
char* finalPath;
size_t finalPathLen;
finalPathLen = strlen(outDirName);
filename = strrchr(filenameTable[u], c); /* filename is the last bit of string after '/' */
finalPathLen += strlen(filename);
dstFilenameTable[u] = (char*) malloc(finalPathLen * sizeof(char) + 1);
strcpy(dstFilenameTable[u], outDirName);
strcat(dstFilenameTable[u], filename);
}
}
void UTIL_freeDestinationFilenameTable(char** dstDirTable, unsigned nbFiles) {
unsigned u;
for (u = 0; u < nbFiles; ++u)
free(dstDirTable[u]);
free((void*)dstDirTable);
}
int UTIL_isSameFile(const char* file1, const char* file2)
{
#if defined(_MSC_VER)