File propagate-creation-and-modification-times-to-tt... of Package fontforge

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File propagate-creation-and-modification-times-to-ttf.patch of Package fontforge (Revision b6695f906a76a6e997fbab5af6bd0020)

Currently displaying revision b6695f906a76a6e997fbab5af6bd0020 , Show latest

From: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=774148

Description: propagate creation and modification times to TTF
 Instead of using the current time as creation and modification
 times when writing a TrueType Font file, we now propagate those
 coming from the source. This enables TrueType Font to be built
 reproducibly.

Index: fontforge-20150330/fontforge/tottf.c
===================================================================
--- fontforge-20150330.orig/fontforge/tottf.c
+++ fontforge-20150330/fontforge/tottf.c
@@ -2758,7 +2758,6 @@ void cvt_unix_to_1904( long long time, i
 
 static void sethead(struct head *head,SplineFont *sf,struct alltabs *at,
 	enum fontformat format, int32 *bsizes) {
-    time_t now;
     int i, lr, rl, indic_rearrange, arabic;
     ASM *sm;
     struct ttflangname *useng;
@@ -2866,10 +2865,8 @@ static void sethead(struct head *head,Sp
 	head->flags |= (1<<9);		/* Apple documents this */
     /* if there are any indic characters, set bit 10 */
 
-    time(&now);		/* seconds since 1970, need to convert to seconds since 1904 */
-    cvt_unix_to_1904(now,head->modtime);
-    memcpy(head->createtime,head->modtime,sizeof(head->modtime));
-
+    cvt_unix_to_1904(sf->modificationtime,head->modtime);
+    cvt_unix_to_1904(sf->creationtime,head->createtime);
 }
 
 static void sethhead(struct hhead *hhead,struct hhead *vhead,struct alltabs *at, SplineFont *sf) {

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File propagate-creation-and-modification-times-to-ttf.patch of Package fontforge (Revision b6695f906a76a6e997fbab5af6bd0020)

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