void printHelpTable(void) {
int i = 0;
int longestFlag = 0;
char flagBuf[100];
char lastHeaderType = '\0';
printAdditionalHelp();
for (i = 0; i < numFlags; i++) {
int flagLen;
if (flagList[i].flagDash[0] == '\0') {
flagLen = 2 + strlen(flagList[i].flagDashDash);
} else {
if (flagList[i].flagDashDash[0] == '\0') {
flagLen = 1 + strlen(flagList[i].flagDash) +
strlen(flagList[i].subArg);
} else {
flagLen = 1 + strlen(flagList[i].flagDash) +
strlen(flagList[i].subArg) +
2 + 2 + strlen(flagList[i].flagDashDash);
}
}
if (longestFlag < flagLen) {
longestFlag = flagLen;
}
}
for (i = 0; i < numFlags; i++) {
printHeaders(flagList[i].headerType, &lastHeaderType);
if (flagList[i].flagDash[0] == '\0') {
snprintf(flagBuf, sizeof(flagBuf), "--%s", flagList[i].flagDashDash);
} else {
if (flagList[i].flagDashDash[0] == '\0') {
snprintf(flagBuf, sizeof(flagBuf), "-%s%s",
flagList[i].flagDash, flagList[i].subArg);
} else {
snprintf(flagBuf, sizeof(flagBuf), "-%s%s, --%s",
flagList[i].flagDash, flagList[i].subArg,
flagList[i].flagDashDash);
}
}
fprintf(stdout, " %-*s : ", longestFlag, flagBuf);
{
const char* p;
const char* pNext;
for (p = flagList[i].description;
(pNext = strchr(p, '\n')) != NULL;
p = pNext + 1) {
fprintf(stdout, "%.*s\n%*s", (int) (pNext - p), p,
longestFlag + 6, "");
}
fprintf(stdout, "%s\n", p);
}
}
fprintf(stdout, "\n");
}
void printHelpTable(void) {
typedef struct _flagType {
const char* flag;
const char* description;
const char headerType;
} flagType;
static flagType flagList[] = {
{"-h, --help", "print this message", 'g'},
{"-nl <n>", "run program using n locales", 'g'},
{"", "(equivalent to setting the numLocales config const)", 'g'},
{"-q, --quiet", "run program in quiet mode", 'g'},
{"-v, --verbose", "run program in verbose mode", 'g'},
{"-b, --blockreport", "report location of blocked threads on SIGINT", 'g'},
{"-t, --taskreport",
"report list of pending and executing tasks on SIGINT", 'g'},
{"--gdb", "run program in gdb", 'g'},
{"-s, --<cfgVar>=<val>", "set the value of a config var", 'c'},
{"-f<filename>", "read in a file of config var assignments", 'c'},
{NULL, NULL, ' '}
};
int i = 0;
int longestFlag = 0;
char lastHeaderType = '\0';
printAdditionalHelp();
while (flagList[i].flag) {
int thisFlag = strlen(flagList[i].flag);
if (longestFlag < thisFlag) {
longestFlag = thisFlag;
}
i++;
}
i = 0;
while (flagList[i].flag) {
printHeaders(flagList[i].headerType, &lastHeaderType);
if (flagList[i].flag[0] == '\0') {
fprintf(stdout, " %-*s %s\n", longestFlag, flagList[i].flag,
flagList[i].description);
} else {
fprintf(stdout, " %-*s : %s\n", longestFlag, flagList[i].flag,
flagList[i].description);
}
i++;
}
fprintf(stdout, "\n");
}