aaru-dps/libaaruformat
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Add filetime formatting for creation and last written times in info.c

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This commit is contained in:
Natalia Portillo
2025-10-09 00:53:49 +01:00
parent d24bf749c4
commit f4b0f55fc1
1 changed files with 44 additions and 4 deletions
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48
tool/info.c
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@@ -19,6 +19,7 @@
#include <errno.h>
#include <locale.h>
#include <time.h>
#include <unicode/ucnv.h>
#include <unicode/ustring.h>
@@ -27,6 +28,45 @@
#include "aaruformattool.h"
#if defined(_WIN32) || defined(_WIN64)
#include <windows.h>
#endif
// Converts Windows FILETIME (100ns intervals since 1601-01-01) to time_t (seconds since 1970-01-01)
static const char *format_filetime(uint64_t filetime)
{
static char buf[64];
const uint64_t EPOCH_DIFF = 116444736000000000ULL;
#if defined(_WIN32) || defined(_WIN64)
FILETIME ft;
SYSTEMTIME st;
ft.dwLowDateTime = (DWORD)(filetime & 0xFFFFFFFF);
ft.dwHighDateTime = (DWORD)(filetime >> 32);
if(FileTimeToSystemTime(&ft, &st))
{
// Format: YYYY-MM-DD HH:MM:SS
snprintf(buf, sizeof(buf), "%04d-%02d-%02d %02d:%02d:%02d", st.wYear, st.wMonth, st.wDay, st.wHour, st.wMinute,
st.wSecond);
}
else { snprintf(buf, sizeof(buf), "%llu", filetime); }
return buf;
#else
time_t t;
struct tm tm_info;
if(filetime < EPOCH_DIFF)
{
snprintf(buf, sizeof(buf), "%llu", filetime);
return buf;
}
t = (time_t)((filetime - EPOCH_DIFF) / 10000000ULL);
if(localtime_r(&t, &tm_info))
strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", &tm_info);
else
snprintf(buf, sizeof(buf), "%llu", filetime);
return buf;
#endif
}
int info(const char *path)
{
aaruformatContext *ctx = NULL;
@@ -60,8 +100,8 @@ int info(const char *path)
printf("\tImage format version: %d.%d\n", ctx->header.imageMajorVersion, ctx->header.imageMinorVersion);
printf("\tMedia type: %u (%s)\n", ctx->header.mediaType, media_type_to_string(ctx->header.mediaType));
printf("\tIndex offset: %llu\n", ctx->header.indexOffset);
printf("\tCreation time: %lld\n", ctx->header.creationTime);
printf("\tLast written time: %lld\n", ctx->header.lastWrittenTime);
printf("\tCreation time: %s\n", format_filetime(ctx->header.creationTime));
printf("\tLast written time: %s\n", format_filetime(ctx->header.lastWrittenTime));
// TODO: Traverse media tags
@@ -418,8 +458,8 @@ int info(const char *path)
if(ctx->imageInfo.ApplicationVersion != NULL)
printf("\tApplication version: %s\n", ctx->imageInfo.ApplicationVersion);
if(ctx->imageInfo.Creator != NULL) printf("\tCreator: %s\n", ctx->imageInfo.Creator);
printf("\tCreation time: %lld\n", ctx->imageInfo.CreationTime);
printf("\tLast written time: %lld\n", ctx->imageInfo.LastModificationTime);
printf("\tCreation time: %s\n", format_filetime(ctx->imageInfo.CreationTime));
printf("\tLast written time: %s\n", format_filetime(ctx->imageInfo.LastModificationTime));
if(ctx->imageInfo.Comments != NULL) printf("\tComments: %s\n", ctx->imageInfo.Comments);
if(ctx->imageInfo.MediaTitle != NULL) printf("\tMedia title: %s\n", ctx->imageInfo.MediaTitle);
if(ctx->imageInfo.MediaManufacturer != NULL) printf("\tMedia manufacturer: %s\n", ctx->imageInfo.MediaManufacturer);