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added help menu

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This commit is contained in:
Paul Cruz 2017-07-06 18:09:10 -07:00
parent b6cc084716
commit 57ec0232a8
1 changed files with 18 additions and 1 deletions
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19
contrib/adaptive-compression/multi.c
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@ -1,4 +1,5 @@
#define DISPLAY(...) fprintf(stderr, __VA_ARGS__)
#define PRINT(...) fprintf(stdout, __VA_ARGS__)
#define DEBUGLOG(l, ...) { if (g_displayLevel>=l) { DISPLAY(__VA_ARGS__); } }
#define FILE_CHUNK_SIZE 4 << 20
#define MAX_NUM_JOBS 2;
@ -243,7 +244,7 @@ static void displayProgress(unsigned jobDoneID)
clock_t currTime = clock();
unsigned const refresh = currTime - g_time > refreshRate ? 1 : 0;
if (refresh) {
fprintf(stdout, "%u jobs completed\r", jobDoneID+1);
fprintf(stdout, "\r%u jobs completed", jobDoneID+1);
fflush(stdout);
}
}
@ -468,6 +469,18 @@ static unsigned readU32FromChar(const char** stringPtr)
return result;
}
static void help()
{
PRINT("Usage:\n");
PRINT(" ./multi [options] [file(s)]\n");
PRINT("\n");
PRINT("Options:\n");
PRINT(" -oFILE : specify the output file name\n");
PRINT(" -v : display debug information\n");
PRINT(" -i# : provide initial compression level\n");
PRINT(" -s : display information stats\n");
PRINT(" -h : display help/information\n");
}
/* return 0 if successful, else return error */
int main(int argCount, const char* argv[])
{
@ -507,6 +520,10 @@ int main(int argCount, const char* argv[])
g_displayStats = 1;
continue;
}
else if (strlen(argument) > 1 && argument[1] == 'h') {
help();
return 0;
}
else {
DISPLAY("Error: invalid argument provided\n");
ret = 1;