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add option to delete files that are not "compressed"
PiperOrigin-RevId: 552472135
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@ -61,7 +61,6 @@ endfunction(read_macro)
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read_macro("c/common/version.h" "BROTLI_VERSION_MAJOR" BROTLI_VERSION_MAJOR)
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read_macro("c/common/version.h" "BROTLI_VERSION_MINOR" BROTLI_VERSION_MINOR)
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read_macro("c/common/version.h" "BROTLI_VERSION_PATCH" BROTLI_VERSION_PATCH)
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set(BROTLI_VERSION "${BROTLI_VERSION_MAJOR}.${BROTLI_VERSION_MINOR}.${BROTLI_VERSION_PATCH}")
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mark_as_advanced(BROTLI_VERSION BROTLI_VERSION_MAJOR BROTLI_VERSION_MINOR BROTLI_VERSION_PATCH)
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# ABI Version information
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@ -22,6 +22,7 @@
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#include <brotli/decode.h>
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#include <brotli/encode.h>
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#include <brotli/types.h>
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#include "../common/constants.h"
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#include "../common/version.h"
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@ -107,6 +108,7 @@ typedef struct {
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int verbosity;
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BROTLI_BOOL force_overwrite;
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BROTLI_BOOL junk_source;
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BROTLI_BOOL reject_uncompressible;
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BROTLI_BOOL copy_stat;
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BROTLI_BOOL write_to_stdout;
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BROTLI_BOOL test_integrity;
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@ -205,6 +207,7 @@ static Command ParseParams(Context* params) {
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BROTLI_BOOL quality_set = BROTLI_FALSE;
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BROTLI_BOOL output_set = BROTLI_FALSE;
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BROTLI_BOOL keep_set = BROTLI_FALSE;
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BROTLI_BOOL squash_set = BROTLI_FALSE;
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BROTLI_BOOL lgwin_set = BROTLI_FALSE;
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BROTLI_BOOL suffix_set = BROTLI_FALSE;
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BROTLI_BOOL after_dash_dash = BROTLI_FALSE;
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@ -300,6 +303,14 @@ static Command ParseParams(Context* params) {
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}
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params->copy_stat = BROTLI_FALSE;
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continue;
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} else if (c == 's') {
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if (squash_set) {
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fprintf(stderr, "argument --squash / -s already set\n");
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return COMMAND_INVALID;
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}
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squash_set = BROTLI_TRUE;
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params->reject_uncompressible = BROTLI_TRUE;
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continue;
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} else if (c == 't') {
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if (command_set) {
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fprintf(stderr, "command already set when parsing -t\n");
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@ -436,6 +447,14 @@ static Command ParseParams(Context* params) {
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}
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keep_set = BROTLI_TRUE;
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params->junk_source = BROTLI_TRUE;
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} else if (strcmp("squash", arg) == 0) {
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if (squash_set) {
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fprintf(stderr, "argument --squash / -s already set\n");
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return COMMAND_INVALID;
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}
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squash_set = BROTLI_TRUE;
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params->reject_uncompressible = BROTLI_TRUE;
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continue;
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} else if (strcmp("stdout", arg) == 0) {
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if (output_set) {
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fprintf(stderr, "write to standard output already set\n");
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@ -553,6 +572,9 @@ static Command ParseParams(Context* params) {
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if (params->output_path) return COMMAND_INVALID;
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if (params->write_to_stdout) return COMMAND_INVALID;
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}
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if (params->reject_uncompressible && params->write_to_stdout) {
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return COMMAND_INVALID;
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}
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if (strchr(params->suffix, '/') || strchr(params->suffix, '\\')) {
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return COMMAND_INVALID;
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}
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@ -582,6 +604,7 @@ static void PrintHelp(const char* name, BROTLI_BOOL error) {
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" -h, --help display this help and exit\n");
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fprintf(media,
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" -j, --rm remove source file(s)\n"
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" -s, --squash remove destination file if larger than source\n"
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" -k, --keep keep source file(s) (default)\n"
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" -n, --no-copy-stat do not copy source file(s) attributes\n"
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" -o FILE, --output=FILE output file (only if 1 input file)\n");
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@ -867,22 +890,23 @@ static BROTLI_BOOL OpenFiles(Context* context) {
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return is_ok;
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}
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static BROTLI_BOOL CloseFiles(Context* context, BROTLI_BOOL success) {
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static BROTLI_BOOL CloseFiles(Context* context, BROTLI_BOOL rm_input,
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BROTLI_BOOL rm_output) {
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BROTLI_BOOL is_ok = BROTLI_TRUE;
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if (!context->test_integrity && context->fout) {
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if (!success && context->current_output_path) {
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unlink(context->current_output_path);
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}
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if (fclose(context->fout) != 0) {
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if (success) {
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if (is_ok) {
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fprintf(stderr, "fclose failed [%s]: %s\n",
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PrintablePath(context->current_output_path), strerror(errno));
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}
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is_ok = BROTLI_FALSE;
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}
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if (rm_output && context->current_output_path) {
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unlink(context->current_output_path);
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}
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/* TOCTOU violation, but otherwise it is impossible to set file times. */
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if (success && is_ok && context->copy_stat) {
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if (!rm_output && is_ok && context->copy_stat) {
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CopyStat(context->current_input_path, context->current_output_path);
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}
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}
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@ -896,7 +920,7 @@ static BROTLI_BOOL CloseFiles(Context* context, BROTLI_BOOL success) {
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is_ok = BROTLI_FALSE;
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}
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}
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if (success && context->junk_source && context->current_input_path) {
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if (rm_input && context->current_input_path) {
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unlink(context->current_input_path);
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}
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@ -1058,6 +1082,8 @@ static BROTLI_BOOL DecompressFile(Context* context, BrotliDecoderState* s) {
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static BROTLI_BOOL DecompressFiles(Context* context) {
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while (NextFile(context)) {
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BROTLI_BOOL is_ok = BROTLI_TRUE;
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BROTLI_BOOL rm_input = BROTLI_FALSE;
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BROTLI_BOOL rm_output = BROTLI_TRUE;
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BrotliDecoderState* s = BrotliDecoderCreateInstance(NULL, NULL, NULL);
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if (!s) {
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fprintf(stderr, "out of memory\n");
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@ -1079,7 +1105,9 @@ static BROTLI_BOOL DecompressFiles(Context* context) {
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}
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if (is_ok) is_ok = DecompressFile(context, s);
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BrotliDecoderDestroyInstance(s);
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if (!CloseFiles(context, is_ok)) is_ok = BROTLI_FALSE;
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rm_output = !is_ok;
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rm_input = !rm_output && context->junk_source;
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if (!CloseFiles(context, rm_input, rm_output)) is_ok = BROTLI_FALSE;
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if (!is_ok) return BROTLI_FALSE;
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}
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return BROTLI_TRUE;
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@ -1124,6 +1152,8 @@ static BROTLI_BOOL CompressFile(Context* context, BrotliEncoderState* s) {
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static BROTLI_BOOL CompressFiles(Context* context) {
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while (NextFile(context)) {
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BROTLI_BOOL is_ok = BROTLI_TRUE;
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BROTLI_BOOL rm_input = BROTLI_FALSE;
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BROTLI_BOOL rm_output = BROTLI_TRUE;
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BrotliEncoderState* s = BrotliEncoderCreateInstance(NULL, NULL, NULL);
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if (!s) {
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fprintf(stderr, "out of memory\n");
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@ -1169,7 +1199,17 @@ static BROTLI_BOOL CompressFiles(Context* context) {
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}
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if (is_ok) is_ok = CompressFile(context, s);
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BrotliEncoderDestroyInstance(s);
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if (!CloseFiles(context, is_ok)) is_ok = BROTLI_FALSE;
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rm_output = !is_ok;
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if (is_ok && context->reject_uncompressible) {
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if (context->total_out >= context->total_in) {
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rm_output = BROTLI_TRUE;
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if (context->verbosity > 0) {
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fprintf(stderr, "Output is larger than input\n");
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}
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}
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}
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rm_input = !rm_output && context->junk_source;
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if (!CloseFiles(context, rm_input, rm_output)) is_ok = BROTLI_FALSE;
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if (!is_ok) return BROTLI_FALSE;
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}
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return BROTLI_TRUE;
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@ -1186,6 +1226,7 @@ int main(int argc, char** argv) {
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context.verbosity = 0;
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context.force_overwrite = BROTLI_FALSE;
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context.junk_source = BROTLI_FALSE;
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context.reject_uncompressible = BROTLI_FALSE;
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context.copy_stat = BROTLI_TRUE;
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context.test_integrity = BROTLI_FALSE;
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context.write_to_stdout = BROTLI_FALSE;
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