Function main

freebsd/contrib/zstd/zlibWrapper/examples/zwrapbench.c:858–1001

#define CLEAN_RETURN(i) { operationResult = (i); goto _end; }

int main(int argCount, char** argv)
{
    int argNb,
        main_pause=0,
        nextEntryIsDictionary=0,
        operationResult=0,
        nextArgumentIsFile=0;
    int cLevel = ZSTDCLI_CLEVEL_DEFAULT;
    int cLevelLast = 1;
    unsigned recursive = 0;
    FileNamesTable* filenames = UTIL_allocateFileNamesTable((size_t)argCount);
    const char* programName = argv[0];
    const char* dictFileName = NULL;
    char* dynNameSpace = NULL;

    /* init */
    if (filenames==NULL) { DISPLAY("zstd: %s \n", strerror(errno)); exit(1); }
    displayOut = stderr;

    /* Pick out program name from path. Don't rely on stdlib because of conflicting behavior */
    {   size_t pos;
        for (pos = strlen(programName); pos > 0; pos--) { if (programName[pos] == '/') { pos++; break; } }
        programName += pos;
    }

     /* command switches */
    for(argNb=1; argNb<argCount; argNb++) {
        const char* argument = argv[argNb];
        if(!argument) continue;   /* Protection if argument empty */

        if (nextArgumentIsFile==0) {

            /* long commands (--long-word) */
            if (!strcmp(argument, "--")) { nextArgumentIsFile=1; continue; }
            if (!strcmp(argument, "--version")) { displayOut=stdout; DISPLAY(WELCOME_MESSAGE); CLEAN_RETURN(0); }
            if (!strcmp(argument, "--help")) { displayOut=stdout; CLEAN_RETURN(usage(programName)); }
            if (!strcmp(argument, "--verbose")) { g_displayLevel++; continue; }
            if (!strcmp(argument, "--quiet")) { g_displayLevel--; continue; }

            /* Decode commands (note : aggregated commands are allowed) */
            if (argument[0]=='-') {
                argument++;

                while (argument[0]!=0) {
                    switch(argument[0])
                    {
                        /* Display help */
                    case 'V': displayOut=stdout; DISPLAY(WELCOME_MESSAGE); CLEAN_RETURN(0);   /* Version Only */
                    case 'H':
                    case 'h': displayOut=stdout; CLEAN_RETURN(usage(programName));

                        /* Use file content as dictionary */
                    case 'D': nextEntryIsDictionary = 1; argument++; break;

                        /* Verbose mode */
                    case 'v': g_displayLevel++; argument++; break;

                        /* Quiet mode */