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/*
* No copyright is claimed. This code is in the public domain; do with
* it what you wish.
*/
#include "debug.h"
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
void ul_debug(const char *mesg, ...)
{
va_list ap;
va_start(ap, mesg);
vfprintf(stderr, mesg, ap);
va_end(ap);
fputc('\n', stderr);
}
int ul_debug_parse_mask(const struct ul_debug_maskname flagnames[],
const char *mask)
{
int res;
char *ptr;
/* let's check for a numeric mask first */
res = strtoul(mask, &ptr, 0);
/* perhaps it's a comma-separated string? */
if (ptr && *ptr && flagnames && flagnames[0].name) {
char *msbuf, *ms, *name;
res = 0;
ms = msbuf = strdup(mask);
if (!ms)
return res;
while ((name = strtok_r(ms, ",", &ptr))) {
const struct ul_debug_maskname *d;
ms = ptr;
for (d = flagnames; d && d->name; d++) {
if (strcmp(name, d->name) == 0) {
res |= d->mask;
break;
}
}
/* nothing else we can do by OR-ing the mask */
if (res == 0xffff)
break;
}
free(msbuf);
} else if (ptr && strcmp(ptr, "all") == 0)
res = 0xffff;
return res;
}
void ul_debug_print_masks(const char *env,
const struct ul_debug_maskname flagnames[])
{
const struct ul_debug_maskname *d;
if (!flagnames)
return;
fprintf(stderr, "Available \"%s=<name>[,...]|<mask>\" debug masks:\n",
env);
for (d = flagnames; d && d->name; d++) {
if (!d->help)
continue;
fprintf(stderr, " %-8s [0x%06x] : %s\n",
d->name, d->mask, d->help);
}
}
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