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[GNUnet-SVN] r3371 - in Extractor: . src/plugins
From: |
grothoff |
Subject: |
[GNUnet-SVN] r3371 - in Extractor: . src/plugins |
Date: |
Wed, 6 Sep 2006 12:42:49 -0700 (PDT) |
Author: grothoff
Date: 2006-09-06 12:42:46 -0700 (Wed, 06 Sep 2006)
New Revision: 3371
Modified:
Extractor/ChangeLog
Extractor/src/plugins/pngextractor.c
Log:
adding tIME support to PNG extractor
Modified: Extractor/ChangeLog
===================================================================
--- Extractor/ChangeLog 2006-09-06 18:57:01 UTC (rev 3370)
+++ Extractor/ChangeLog 2006-09-06 19:42:46 UTC (rev 3371)
@@ -1,3 +1,6 @@
+Wed Sep 6 13:38:55 PDT 2006
+ Added tIME support to PNG extractor. Bugfixes in PDF extractors.
+
Wed May 17 02:05:37 PDT 2006
Switched mpegextractor to use libmpeg2 (improves correctness,
adds dependency!). Releasing libextractor 0.5.14.
Modified: Extractor/src/plugins/pngextractor.c
===================================================================
--- Extractor/src/plugins/pngextractor.c 2006-09-06 18:57:01 UTC (rev
3370)
+++ Extractor/src/plugins/pngextractor.c 2006-09-06 19:42:46 UTC (rev
3371)
@@ -215,7 +215,6 @@
prev);
}
-/* not supported... */
static struct EXTRACTOR_Keywords * processzTXt(const char * data,
unsigned int length,
struct EXTRACTOR_Keywords *
prev) {
@@ -278,6 +277,42 @@
prev);
}
+static struct EXTRACTOR_Keywords * processtIME(const char * data,
+ unsigned int length,
+ struct EXTRACTOR_Keywords *
prev) {
+ unsigned short y;
+ unsigned int year;
+ unsigned int mo;
+ unsigned int day;
+ unsigned int h;
+ unsigned int m;
+ unsigned int s;
+ char val[256];
+
+ if (length != 7)
+ return prev;
+ memcpy(&y,
+ &data[4],
+ sizeof(unsigned short));
+ year = ntohs(y);
+ mo = (unsigned char) data[6];
+ day = (unsigned char) data[7];
+ h = (unsigned char) data[8];
+ m = (unsigned char) data[9];
+ s = (unsigned char) data[10];
+ sprintf(val,
+ "%04u-%02u-%02u %02d:%02d:%02d",
+ year,
+ mo,
+ day,
+ h,
+ m,
+ s);
+ return addKeyword(EXTRACTOR_MODIFICATION_DATE,
+ strdup(val),
+ prev);
+}
+
#define PNG_HEADER "\211PNG\r\n\032\n"
@@ -318,6 +353,8 @@
result = processtEXt(pos, length, result);
if (0 == strncmp(pos, "zTXt", 4))
result = processzTXt(pos, length, result);
+ if (0 == strncmp(pos, "tIME", 4))
+ result = processtIME(pos, length, result);
pos += 4+length+4; /* Chunk type, data, crc */
}
return result;
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