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** Create and a delta that carries FILE1 into FILE2. Print the
** number bytes copied and the number of bytes inserted.
*/
void delta_analyze_cmd(void){
Blob orig, target, delta;
int nCopy = 0;
int nInsert = 0;
int sz1, sz2;
if( g.argc!=4 ){
usage("ORIGIN TARGET");
}
if( blob_read_from_file(&orig, g.argv[2])<0 ){
fossil_fatal("cannot read %s\n", g.argv[2]);
}
if( blob_read_from_file(&target, g.argv[3])<0 ){
fossil_fatal("cannot read %s\n", g.argv[3]);
}
blob_delta_create(&orig, &target, &delta);
delta_analyze(blob_buffer(&delta), blob_size(&delta), &nCopy, &nInsert);
sz1 = blob_size(&orig);
sz2 = blob_size(&target);
blob_reset(&orig);
blob_reset(&target);
blob_reset(&delta);
fossil_print("original size: %8d\n", sz1);
fossil_print("bytes copied: %8d (%.1f%% of target)\n",
nCopy, (100.0*nCopy)/sz2);
fossil_print("bytes inserted: %8d (%.1f%% of target)\n",
nInsert, (100.0*nInsert)/sz2);
fossil_print("final size: %8d\n", sz2);
}
/*
** Apply the delta in pDelta to the original file pOriginal to generate
** the target file pTarget. The pTarget blob is initialized by this
** routine.
**
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** Create and a delta that carries FILE1 into FILE2. Print the
** number bytes copied and the number of bytes inserted.
*/
void delta_analyze_cmd(void){
Blob orig, target, delta;
int nCopy = 0;
int nInsert = 0;
int sz1, sz2, sz3;
if( g.argc!=4 ){
usage("ORIGIN TARGET");
}
if( blob_read_from_file(&orig, g.argv[2])<0 ){
fossil_fatal("cannot read %s\n", g.argv[2]);
}
if( blob_read_from_file(&target, g.argv[3])<0 ){
fossil_fatal("cannot read %s\n", g.argv[3]);
}
blob_delta_create(&orig, &target, &delta);
delta_analyze(blob_buffer(&delta), blob_size(&delta), &nCopy, &nInsert);
sz1 = blob_size(&orig);
sz2 = blob_size(&target);
sz3 = blob_size(&delta);
blob_reset(&orig);
blob_reset(&target);
blob_reset(&delta);
fossil_print("original size: %8d\n", sz1);
fossil_print("bytes copied: %8d (%.1f%% of target)\n",
nCopy, (100.0*nCopy)/sz2);
fossil_print("bytes inserted: %8d (%.1f%% of target)\n",
nInsert, (100.0*nInsert)/sz2);
fossil_print("final size: %8d\n", sz2);
fossil_print("delta size: %8d\n", sz3);
}
/*
** Apply the delta in pDelta to the original file pOriginal to generate
** the target file pTarget. The pTarget blob is initialized by this
** routine.
**
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