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Introduce git_diff_to_buf

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Like `git_patch_to_buf`, provide a simple helper method that can
print an entire diff directory to a `git_buf`.
This commit is contained in:
Edward Thomson 2016-04-25 12:40:19 -04:00
parent 7166bb1665
commit 728274904f
2 changed files with 24 additions and 0 deletions
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15
include/git2/diff.h
View File

@ -1054,6 +1054,21 @@ GIT_EXTERN(int) git_diff_print(
git_diff_line_cb print_cb, git_diff_line_cb print_cb,
void *payload); void *payload);
/**
* Produce the complete formatted text output from a diff into a
* buffer.
*
* @param out A pointer to a user-allocated git_buf that will
* contain the diff text
* @param diff A git_diff generated by one of the above functions.
* @param format A git_diff_format_t value to pick the text format.
* @return 0 on success or error code
*/
GIT_EXTERN(int) git_diff_to_buf(
git_buf *out,
git_diff *diff,
git_diff_format_t format);
/**@}*/ /**@}*/

9
src/diff_print.c
View File

@ -714,6 +714,15 @@ int git_diff_print_callback__to_file_handle(
return 0; return 0;
} }
/* print a git_diff to a git_buf */
int git_diff_to_buf(git_buf *out, git_diff *diff, git_diff_format_t format)
{
assert(out && diff);
git_buf_sanitize(out);
return git_diff_print(
diff, format, git_diff_print_callback__to_buf, out);
}
/* print a git_patch to an output callback */ /* print a git_patch to an output callback */
int git_patch_print( int git_patch_print(
git_patch *patch, git_patch *patch,