[PATCH 54/83] builtin/apply: make parse_chunk() return a negative integer on error
From: Christian Couder <hidden>
Date: 2016-06-16 02:18:57
Subsystem:
the rest · Maintainer:
Linus Torvalds
This negative number can be -2 if no patch header has been found, otherwise it is -1. As parse_chunk() is called only by apply_patch() which already returns -1 when an error happened, let's make it return -1 when parse_chunk() returns -1. Signed-off-by: Christian Couder <redacted> --- builtin/apply.c | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-)
diff --git a/builtin/apply.c b/builtin/apply.c
index 825ffe9..e1d6c8b 100644
--- a/builtin/apply.c
+++ b/builtin/apply.c@@ -2110,22 +2110,22 @@ static int use_patch(struct apply_state *state, struct patch *p) return !state->has_include; } - /* * Read the patch text in "buffer" that extends for "size" bytes; stop * reading after seeing a single patch (i.e. changes to a single file). * Create fragments (i.e. patch hunks) and hang them to the given patch. - * Return the number of bytes consumed, so that the caller can call us - * again for the next patch. + * + * Returns: + * -1 on error, + * -2 if no header was found, + * the number of bytes consumed otherwise, + * so that the caller can call us again for the next patch. */ static int parse_chunk(struct apply_state *state, char *buffer, unsigned long size, struct patch *patch) { int hdrsize, patchsize; int offset = find_header(state, buffer, size, &hdrsize, patch); - if (offset == -1) - exit(1); - if (offset < 0) return offset;
@@ -2185,8 +2185,9 @@ static int parse_chunk(struct apply_state *state, char *buffer, unsigned long si * empty to us here. */ if ((state->apply || state->check) && - (!patch->is_binary && !metadata_changes(patch))) - die(_("patch with only garbage at line %d"), state->linenr); + (!patch->is_binary && !metadata_changes(patch))) { + return error(_("patch with only garbage at line %d"), state->linenr); + } } return offset + hdrsize + patchsize;
@@ -4566,6 +4567,8 @@ static int apply_patch(struct apply_state *state, nr = parse_chunk(state, buf.buf + offset, buf.len - offset, patch); if (nr < 0) { free_patch(patch); + if (nr == -1) + return -1; break; } if (state->apply_in_reverse)
--
2.8.1.300.g5fed0c0