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clean up logging, and add error reports to it too

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The SSRF_INFO() macro is widely used, and there's a lot of confusion
about whether the newline at the end should be done by the SSRF_INFO or
be in the format string passed to it.  End result: we end up doing both,
and there are empty lines in the output as a result.

Clean this up by just using our existing 'strip_mb()' to strip any
whitespace at the end of the generated string, and then adding one final
newline when logging it.

Also, make sure to log our 'report_error()' messages, which apparently
only used to be showin in the red error bar on the display.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Linus Torvalds 2022-08-30 09:48:46 -07:00 committed by Dirk Hohndel
parent 42da08df20
commit 34e169aace
2 changed files with 24 additions and 9 deletions
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24
core/errorhelper.c
View file

@ -6,24 +6,42 @@
#include <stdarg.h>
#include "errorhelper.h"
#include "membuffer.h"
#include "qthelper.h"
#if !defined(Q_OS_ANDROID) && !defined(__ANDROID__)
#define LOG_MSG(fmt, ...) fprintf(stderr, fmt, ##__VA_ARGS__)
#else
#include <android/log.h>
#define LOG_MSG(fmt, ...) __android_log_print(ANDROID_LOG_INFO, "Subsurface", fmt, ##__VA_ARGS__);
#endif
#define VA_BUF(b, fmt) do { va_list args; va_start(args, fmt); put_vformat(b, fmt, args); va_end(args); } while (0)
int verbose;
void report_info(const char *fmt, ...)
{
struct membuffer buf = { 0 };
VA_BUF(&buf, fmt);
strip_mb(&buf);
LOG_MSG("INFO: %s\n", mb_cstring(&buf));
}
static void (*error_cb)(char *) = NULL;
int report_error(const char *fmt, ...)
{
struct membuffer buf = { 0 };
VA_BUF(&buf, fmt);
strip_mb(&buf);
LOG_MSG("ERROR: %s\n", mb_cstring(&buf));
/* if there is no error callback registered, don't produce errors */
if (!error_cb)
return -1;
VA_BUF(&buf, fmt);
error_cb(detach_cstring(&buf));
return -1;
}

9
core/qthelper.h
View file

@ -174,17 +174,14 @@ fraction_t string_to_fraction(const char *str);
char *get_changes_made();
void emit_reset_signal();
extern void report_info(const char *fmt, ...);
#ifdef __cplusplus
}
#endif
// 4) SSRF_INFO macro to replace fprintf calls in our code
// (originally based on logging bits from libdivecomputer)
#if !defined(Q_OS_ANDROID) && !defined(__ANDROID__)
#define SSRF_INFO(fmt, ...) fprintf(stderr, "INFO: " fmt "\n", ##__VA_ARGS__)
#else
#include <android/log.h>
#define SSRF_INFO(fmt, ...) __android_log_print(ANDROID_LOG_INFO, "Subsurface", "INFO: " fmt "\n", ##__VA_ARGS__);
#endif
#define SSRF_INFO(fmt, ...) report_info(fmt, ##__VA_ARGS__)
#endif // QTHELPER_H