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Zstd cli : --version and --help write to stdout

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This commit is contained in:
Yann Collet
2015-08-25 23:32:45 +01:00
parent c705567522
commit f44b2b02b4
4 changed files with 22 additions and 22 deletions
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28
programs/zstdcli.c
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@ -86,8 +86,9 @@
/**************************************
* Display Macros
**************************************/
#define DISPLAY(...) fprintf(stderr, __VA_ARGS__)
#define DISPLAY(...) fprintf(displayOut, __VA_ARGS__)
#define DISPLAYLEVEL(l, ...) if (displayLevel>=l) { DISPLAY(__VA_ARGS__); }
static FILE* displayOut;
static unsigned displayLevel = 2; // 0 : no display // 1: errors // 2 : + result + interaction + warnings ; // 3 : + progression; // 4 : + information
@ -137,7 +138,7 @@ static int usage_advanced(const char* programName)
//DISPLAY( " -t : test compressed file integrity\n");
DISPLAY( "Benchmark arguments :\n");
DISPLAY( " -b : benchmark file(s)\n");
DISPLAY( " -i# : iteration loops [1-9](default : 3), benchmark mode only\n");
DISPLAY( " -i# : iteration loops [1-9](default : 3)\n");
return 0;
}
@ -173,30 +174,31 @@ int main(int argc, char** argv)
char* dynNameSpace = NULL;
char extension[] = ZSTD_EXTENSION;
displayOut = stderr;
/* Pick out basename component. Don't rely on stdlib because of conflicting behaviour. */
for (i = (int)strlen(programName); i > 0; i--)
{
if (programName[i] == '/')
{
i++;
break;
}
if (programName[i] == '/') { i++; break; }
}
programName += i;
/* zstdcat behavior */
/* zstdcat preset behavior */
if (!strcmp(programName, ZSTD_CAT)) { decode=1; forceStdout=1; displayLevel=1; outFileName=stdoutmark; }
/* unzstd behavior */
/* unzstd preset behavior */
if (!strcmp(programName, ZSTD_UNZSTD))
decode=1;
// command switches
/* command switches */
for(i=1; i<argc; i++)
{
char* argument = argv[i];
if(!argument) continue; // Protection if argument empty
if(!argument) continue; /* Protection if argument empty */
/* long commands (--long-word) */
if (!strcmp(argument, "--version")) { displayOut=stdout; DISPLAY(WELCOME_MESSAGE); return 0; }
if (!strcmp(argument, "--help")) { displayOut=stdout; return usage_advanced(programName); }
/* Decode commands (note : aggregated commands are allowed) */
if (argument[0]=='-')
@ -215,9 +217,9 @@ int main(int argc, char** argv)
switch(argument[0])
{
/* Display help */
case 'V': DISPLAY(WELCOME_MESSAGE); return 0; /* Version Only */
case 'V': displayOut=stdout; DISPLAY(WELCOME_MESSAGE); return 0; /* Version Only */
case 'H':
case 'h': return usage_advanced(programName);
case 'h': displayOut=stdout; return usage_advanced(programName);
// Compression (default)
//case 'z': forceCompress = 1; break;