diff options
Diffstat (limited to 'meta-oe/recipes-devtools/android-tools/android-tools/core/0017-img2simg-Add-support-for-converting-holes-to-don-t-c.patch')
| -rw-r--r-- | meta-oe/recipes-devtools/android-tools/android-tools/core/0017-img2simg-Add-support-for-converting-holes-to-don-t-c.patch | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/meta-oe/recipes-devtools/android-tools/android-tools/core/0017-img2simg-Add-support-for-converting-holes-to-don-t-c.patch b/meta-oe/recipes-devtools/android-tools/android-tools/core/0017-img2simg-Add-support-for-converting-holes-to-don-t-c.patch new file mode 100644 index 0000000000..9d19f58095 --- /dev/null +++ b/meta-oe/recipes-devtools/android-tools/android-tools/core/0017-img2simg-Add-support-for-converting-holes-to-don-t-c.patch @@ -0,0 +1,114 @@ +From 00cce57eff1a0de3b93efa5da225e9eb33d19659 Mon Sep 17 00:00:00 2001 +From: Sean Anderson <sean.anderson@seco.com> +Date: Thu, 30 Dec 2021 15:34:28 -0500 +Subject: [PATCH] img2simg: Add support for converting holes to "don't care" + chunks + +This adds support for converting files with holes to "don't care" +chunks. This can result in a substantial reduction in the time it takes +to program an image if it has many holes. + +Generally, constants compared to argc have been reduced by one, since we +no longer have the program name as the first argument. + +Change-Id: I00750edc07d6415dcc07ae0351e9397b0222b7ba +Upstream-Status: Backport [6150b00b6025918da8c28e5c2f929ecdf480a9d6] +Signed-off-by: Sean Anderson <sean.anderson@seco.com> +--- + libsparse/img2simg.c | 41 ++++++++++++++++++++++++++++++----------- + 1 file changed, 30 insertions(+), 11 deletions(-) + +diff --git a/libsparse/img2simg.c b/libsparse/img2simg.c +index 2e171b613..c985d5449 100644 +--- a/libsparse/img2simg.c ++++ b/libsparse/img2simg.c +@@ -40,25 +40,42 @@ + + void usage() + { +- fprintf(stderr, "Usage: img2simg <raw_image_file> <sparse_image_file> [<block_size>]\n"); ++ fprintf(stderr, "Usage: img2simg [-s] <raw_image_file> <sparse_image_file> [<block_size>]\n"); + } + + int main(int argc, char *argv[]) + { ++ char *arg_in; ++ char *arg_out; ++ enum sparse_read_mode mode = SPARSE_READ_MODE_NORMAL; ++ int extra; + int in; ++ int opt; + int out; + int ret; + struct sparse_file *s; + unsigned int block_size = 4096; + off64_t len; + +- if (argc < 3 || argc > 4) { ++ while ((opt = getopt(argc, argv, "s")) != -1) { ++ switch (opt) { ++ case 's': ++ mode = SPARSE_READ_MODE_HOLE; ++ break; ++ default: ++ usage(); ++ exit(-1); ++ } ++ } ++ ++ extra = argc - optind; ++ if (extra < 2 || extra > 3) { + usage(); + exit(-1); + } + +- if (argc == 4) { +- block_size = atoi(argv[3]); ++ if (extra == 3) { ++ block_size = atoi(argv[optind + 2]); + } + + if (block_size < 1024 || block_size % 4 != 0) { +@@ -66,22 +83,24 @@ int main(int argc, char *argv[]) + exit(-1); + } + +- if (strcmp(argv[1], "-") == 0) { ++ arg_in = argv[optind]; ++ if (strcmp(arg_in, "-") == 0) { + in = STDIN_FILENO; + } else { +- in = open(argv[1], O_RDONLY | O_BINARY); ++ in = open(arg_in, O_RDONLY | O_BINARY); + if (in < 0) { +- fprintf(stderr, "Cannot open input file %s\n", argv[1]); ++ fprintf(stderr, "Cannot open input file %s\n", arg_in); + exit(-1); + } + } + +- if (strcmp(argv[2], "-") == 0) { ++ arg_out = argv[optind + 1]; ++ if (strcmp(arg_out, "-") == 0) { + out = STDOUT_FILENO; + } else { +- out = open(argv[2], O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0664); ++ out = open(arg_out, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0664); + if (out < 0) { +- fprintf(stderr, "Cannot open output file %s\n", argv[2]); ++ fprintf(stderr, "Cannot open output file %s\n", arg_out); + exit(-1); + } + } +@@ -96,7 +115,7 @@ int main(int argc, char *argv[]) + } + + sparse_file_verbose(s); +- ret = sparse_file_read(s, in, SPARSE_READ_MODE_NORMAL, false); ++ ret = sparse_file_read(s, in, mode, false); + if (ret) { + fprintf(stderr, "Failed to read file\n"); + exit(-1); +-- +2.35.1.1320.gc452695387.dirty + |