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libtriple: improve debug architecture

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every libtriple module can have its debug output enabled separately
by exporting the TRIPLE_DEBUG variable


Origin commit data
------------------
Branch: ni/coolstream
Commit: 4435f30b3c
Author: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: 2011-02-06 (Sun, 06 Feb 2011)



------------------
This commit was generated by Migit
This commit is contained in:
Stefan Seyfried
2011-02-06 16:15:24 +01:00
parent 35cd176265
commit 886d145ec7
9 changed files with 172 additions and 90 deletions
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67
lib/libtriple/lt_debug.cpp
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@@ -2,17 +2,74 @@
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
int cnxt_debug = 0;
int cnxt_debug = 0; /* compat, unused */
void lt_debug(const char *fmt, ...)
int debuglevel = -1;
static const char* lt_facility[] = {
"audio ",
"video ",
"demux ",
"record",
"play ",
"power ",
"init ",
"ca ",
NULL
};
void _lt_info(int facility, const char *fmt, ...)
{
if (! cnxt_debug)
return;
fprintf(stderr, "[libtriple:%s] ", lt_facility[facility]);
va_list args;
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
}
void _lt_debug(int facility, const char *fmt, ...)
{
if (debuglevel < 0)
fprintf(stderr, "lt_debug: debuglevel not initialized!\n");
if (! ((1 << facility) & debuglevel))
return;
fprintf(stderr, "[libtriple:%s] ", lt_facility[facility]);
va_list args;
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
}
void lt_debug_init(void)
{
int i = 0;
char *tmp = getenv("TRIPLE_DEBUG");
if (! tmp)
debuglevel = 0;
else
debuglevel = (int) strtol(tmp, NULL, 0);
if (debuglevel == 0)
{
fprintf(stderr, "libtriple debug options can be set by exporting TRIPLE_DEBUG.\n");
fprintf(stderr, "The following values (or bitwise OR combinations) are valid:\n");
while (lt_facility[i]) {
fprintf(stderr, "\tcomponent: %s 0x%02x\n", lt_facility[i], 1 << i);
i++;
}
fprintf(stderr, "\tall components: 0x%02x\n", (1 << i) - 1);
} else {
fprintf(stderr, "libtriple debug is active for the following components:\n");
while (lt_facility[i]) {
if (debuglevel & (1 << i))
fprintf(stderr, "%s ", lt_facility[i]);
i++;
}
fprintf(stderr, "\n");
}
}