Gitweb links:
...log
http://git.netsurf-browser.org/libnsgif.git/shortlog/c9b99d28a0be8eb76c6eb0575c7a51b524da832c
...commit
http://git.netsurf-browser.org/libnsgif.git/commit/c9b99d28a0be8eb76c6eb0575c7a51b524da832c
...tree
http://git.netsurf-browser.org/libnsgif.git/tree/c9b99d28a0be8eb76c6eb0575c7a51b524da832c
The branch, master has been updated
via c9b99d28a0be8eb76c6eb0575c7a51b524da832c (commit)
from af6ab260260383f86b2dde2c2973ad59f7c42d05 (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
commitdiff
http://git.netsurf-browser.org/libnsgif.git/commit/?id=c9b99d28a0be8eb76c6eb0575c7a51b524da832c
commit c9b99d28a0be8eb76c6eb0575c7a51b524da832c
Author: Michael Drake <[email protected]>
Commit: Michael Drake <[email protected]>
LZW decoder: Slight code clarity and comment improvement.
diff --git a/src/lzw.c b/src/lzw.c
index 6ad95aa..743f4d3 100644
--- a/src/lzw.c
+++ b/src/lzw.c
@@ -316,6 +316,7 @@ lzw_result lzw_decode(struct lzw_ctx *ctx,
return res;
}
+ /* Handle the new code */
if (code_new == clear_code) {
/* Got Clear code */
return lzw__clear_codes(ctx, stack_pos_out);
@@ -323,11 +324,11 @@ lzw_result lzw_decode(struct lzw_ctx *ctx,
} else if (code_new == ctx->eoi_code) {
/* Got End of Information code */
return LZW_EOI_CODE;
- }
- if (code_new > current_entry) {
+ } else if (code_new > current_entry) {
/* Code is invalid */
return LZW_BAD_CODE;
+
} else if (code_new < current_entry) {
/* Code is in table */
code_out = code_new;
@@ -357,6 +358,7 @@ lzw_result lzw_decode(struct lzw_ctx *ctx,
}
}
+ /* Store details of this code as "previous code" to the context. */
ctx->previous_code_first = table[code_new].first_value;
ctx->previous_code = code_new;
-----------------------------------------------------------------------
Summary of changes:
src/lzw.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/lzw.c b/src/lzw.c
index 6ad95aa..743f4d3 100644
--- a/src/lzw.c
+++ b/src/lzw.c
@@ -316,6 +316,7 @@ lzw_result lzw_decode(struct lzw_ctx *ctx,
return res;
}
+ /* Handle the new code */
if (code_new == clear_code) {
/* Got Clear code */
return lzw__clear_codes(ctx, stack_pos_out);
@@ -323,11 +324,11 @@ lzw_result lzw_decode(struct lzw_ctx *ctx,
} else if (code_new == ctx->eoi_code) {
/* Got End of Information code */
return LZW_EOI_CODE;
- }
- if (code_new > current_entry) {
+ } else if (code_new > current_entry) {
/* Code is invalid */
return LZW_BAD_CODE;
+
} else if (code_new < current_entry) {
/* Code is in table */
code_out = code_new;
@@ -357,6 +358,7 @@ lzw_result lzw_decode(struct lzw_ctx *ctx,
}
}
+ /* Store details of this code as "previous code" to the context. */
ctx->previous_code_first = table[code_new].first_value;
ctx->previous_code = code_new;
--
NetSurf GIF Decoder
_______________________________________________
netsurf-commits mailing list
[email protected]
http://listmaster.pepperfish.net/cgi-bin/mailman/listinfo/netsurf-commits-netsurf-browser.org
