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Change blob API to return temp refs to the content

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If the user wants permanent references, he can duplicate the temporary
one manually.

Signed-off-by: Vicent Marti <tanoku@gmail.com>
This commit is contained in:
Vicent Marti 2010-11-20 17:37:32 +02:00
parent 69a09b7c69
commit 30b171a185
2 changed files with 18 additions and 32 deletions
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35
src/blob.c
View File

@ -30,35 +30,20 @@
#include "common.h"
#include "blob.h"
int git_blob_rawcontent(git_blob *blob, void *buffer, size_t len)
const char *git_blob_rawcontent(git_blob *blob)
{
int error;
assert(blob && buffer);
assert(blob);
if (blob->content.data != NULL) {
if (blob->content.data != NULL)
return blob->content.data;
if (len + 1 < blob->content.len)
return GIT_ENOMEM;
memcpy(buffer, blob->content.data, blob->content.len);
((char *)buffer)[blob->content.len] = 0;
} else {
if (blob->object.in_memory)
return NULL;
if (len + 1 < blob->object.source.raw.len)
return GIT_ENOMEM;
if (!blob->object.source.open && git_object__source_open((git_object *)blob) < 0)
return NULL;
if ((error = git_object__source_open((git_object *)blob)) < 0)
return error;
memcpy(buffer, blob->object.source.raw.data, blob->object.source.raw.len);
((char *)buffer)[blob->object.source.raw.len] = 0;
git_object__source_close((git_object *)blob);
}
return GIT_SUCCESS;
return blob->object.source.raw.data;
}
int git_blob_rawsize(git_blob *blob)
@ -99,6 +84,8 @@ int git_blob_set_rawcontent(git_blob *blob, const void *buffer, size_t len)
blob->object.modified = 1;
git_object__source_close((git_object *)blob);
if (blob->content.data != NULL)
gitfo_free_buf(&blob->content);

15
src/git/blob.h
View File

@ -63,18 +63,17 @@ GIT_EXTERN(int) git_blob_set_rawcontent_fromfile(git_blob *blob, const char *fil
GIT_EXTERN(int) git_blob_set_rawcontent(git_blob *blob, const void *buffer, size_t len);
/**
* Read the raw content of a blob.
* Get a read-only buffer with the raw content of a blob.
*
* A copy of the raw content is stored on the buffer passed
* to the function. If the buffer is not long enough,
* the method will fail.
* A pointer to the raw content of a blob is returned;
* this pointer is owned internally by the object and shall
* not be free'd. The pointer may be invalidated at a later
* time (e.g. when changing the contents of the blob).
*
* @param blob pointer to the blob
* @param buffer buffer to fill with contents
* @param len size of the buffer
* @return 0 on success; error code otherwise
* @return the pointer; NULL if the blob has no contents
*/
GIT_EXTERN(int) git_blob_rawcontent(git_blob *blob, void *buffer, size_t len);
GIT_EXTERN(const char *) git_blob_rawcontent(git_blob *blob);
/**
* Get the size in bytes of the contents of a blob