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-rw-r--r--c/tools/brotli.c175
1 files changed, 142 insertions, 33 deletions
diff --git a/c/tools/brotli.c b/c/tools/brotli.c
index 2abfc27..17a3bb6 100644
--- a/c/tools/brotli.c
+++ b/c/tools/brotli.c
@@ -195,6 +195,7 @@ static Command ParseParams(Context* params) {
This check is an additional guard that is never triggered, but provides
a guard for future changes. */
if (next_option_index > (MAX_OPTIONS - 2)) {
+ fprintf(stderr, "too many options passed\n");
return COMMAND_INVALID;
}
@@ -220,80 +221,135 @@ static Command ParseParams(Context* params) {
for (j = 1; j < arg_len; ++j) {
char c = arg[j];
if (c >= '0' && c <= '9') {
- if (quality_set) return COMMAND_INVALID;
+ if (quality_set) {
+ fprintf(stderr, "quality already set\n");
+ return COMMAND_INVALID;
+ }
quality_set = BROTLI_TRUE;
params->quality = c - '0';
continue;
} else if (c == 'c') {
- if (output_set) return COMMAND_INVALID;
+ if (output_set) {
+ fprintf(stderr, "write to standard output already set\n");
+ return COMMAND_INVALID;
+ }
output_set = BROTLI_TRUE;
params->write_to_stdout = BROTLI_TRUE;
continue;
} else if (c == 'd') {
- if (command_set) return COMMAND_INVALID;
+ if (command_set) {
+ fprintf(stderr, "command already set when parsing -d\n");
+ return COMMAND_INVALID;
+ }
command_set = BROTLI_TRUE;
command = COMMAND_DECOMPRESS;
continue;
} else if (c == 'f') {
- if (params->force_overwrite) return COMMAND_INVALID;
+ if (params->force_overwrite) {
+ fprintf(stderr, "force output overwrite already set\n");
+ return COMMAND_INVALID;
+ }
params->force_overwrite = BROTLI_TRUE;
continue;
} else if (c == 'h') {
/* Don't parse further. */
return COMMAND_HELP;
} else if (c == 'j' || c == 'k') {
- if (keep_set) return COMMAND_INVALID;
+ if (keep_set) {
+ fprintf(stderr, "argument --rm / -j or --keep / -n already set\n");
+ return COMMAND_INVALID;
+ }
keep_set = BROTLI_TRUE;
params->junk_source = TO_BROTLI_BOOL(c == 'j');
continue;
} else if (c == 'n') {
- if (!params->copy_stat) return COMMAND_INVALID;
+ if (!params->copy_stat) {
+ fprintf(stderr, "argument --no-copy-stat / -n already set\n");
+ return COMMAND_INVALID;
+ }
params->copy_stat = BROTLI_FALSE;
continue;
} else if (c == 't') {
- if (command_set) return COMMAND_INVALID;
+ if (command_set) {
+ fprintf(stderr, "command already set when parsing -t\n");
+ return COMMAND_INVALID;
+ }
command_set = BROTLI_TRUE;
command = COMMAND_TEST_INTEGRITY;
continue;
} else if (c == 'v') {
- if (params->verbose) return COMMAND_INVALID;
+ if (params->verbose) {
+ fprintf(stderr, "argument --verbose / -v already set\n");
+ return COMMAND_INVALID;
+ }
params->verbose = BROTLI_TRUE;
continue;
} else if (c == 'V') {
/* Don't parse further. */
return COMMAND_VERSION;
} else if (c == 'Z') {
- if (quality_set) return COMMAND_INVALID;
+ if (quality_set) {
+ fprintf(stderr, "quality already set\n");
+ return COMMAND_INVALID;
+ }
quality_set = BROTLI_TRUE;
params->quality = 11;
continue;
}
/* o/q/w/D/S with parameter is expected */
if (c != 'o' && c != 'q' && c != 'w' && c != 'D' && c != 'S') {
+ fprintf(stderr, "invalid argument -%c\n", c);
+ return COMMAND_INVALID;
+ }
+ if (j + 1 != arg_len) {
+ fprintf(stderr, "expected parameter for argument -%c\n", c);
return COMMAND_INVALID;
}
- if (j + 1 != arg_len) return COMMAND_INVALID;
i++;
- if (i == argc || !argv[i] || argv[i][0] == 0) return COMMAND_INVALID;
+ if (i == argc || !argv[i] || argv[i][0] == 0) {
+ fprintf(stderr, "expected parameter for argument -%c\n", c);
+ return COMMAND_INVALID;
+ }
params->not_input_indices[next_option_index++] = i;
if (c == 'o') {
- if (output_set) return COMMAND_INVALID;
+ if (output_set) {
+ fprintf(stderr, "write to standard output already set (-o)\n");
+ return COMMAND_INVALID;
+ }
params->output_path = argv[i];
} else if (c == 'q') {
- if (quality_set) return COMMAND_INVALID;
+ if (quality_set) {
+ fprintf(stderr, "quality already set\n");
+ return COMMAND_INVALID;
+ }
quality_set = ParseInt(argv[i], BROTLI_MIN_QUALITY,
BROTLI_MAX_QUALITY, &params->quality);
- if (!quality_set) return COMMAND_INVALID;
+ if (!quality_set) {
+ fprintf(stderr, "error parsing quality value [%s]\n", argv[i]);
+ return COMMAND_INVALID;
+ }
} else if (c == 'w') {
- if (lgwin_set) return COMMAND_INVALID;
+ if (lgwin_set) {
+ fprintf(stderr, "lgwin parameter already set\n");
+ return COMMAND_INVALID;
+ }
lgwin_set = ParseInt(argv[i], 0,
BROTLI_MAX_WINDOW_BITS, &params->lgwin);
- if (!lgwin_set) return COMMAND_INVALID;
+ if (!lgwin_set) {
+ fprintf(stderr, "error parsing lgwin value [%s]\n", argv[i]);
+ return COMMAND_INVALID;
+ }
if (params->lgwin != 0 && params->lgwin < BROTLI_MIN_WINDOW_BITS) {
+ fprintf(stderr,
+ "lgwin parameter (%d) smaller than the minimum (%d)\n",
+ params->lgwin, BROTLI_MIN_WINDOW_BITS);
return COMMAND_INVALID;
}
} else if (c == 'S') {
- if (suffix_set) return COMMAND_INVALID;
+ if (suffix_set) {
+ fprintf(stderr, "suffix already set\n");
+ return COMMAND_INVALID;
+ }
suffix_set = BROTLI_TRUE;
params->suffix = argv[i];
}
@@ -301,40 +357,67 @@ static Command ParseParams(Context* params) {
} else { /* Double-dash. */
arg = &arg[2];
if (strcmp("best", arg) == 0) {
- if (quality_set) return COMMAND_INVALID;
+ if (quality_set) {
+ fprintf(stderr, "quality already set\n");
+ return COMMAND_INVALID;
+ }
quality_set = BROTLI_TRUE;
params->quality = 11;
} else if (strcmp("decompress", arg) == 0) {
- if (command_set) return COMMAND_INVALID;
+ if (command_set) {
+ fprintf(stderr, "command already set when parsing --decompress\n");
+ return COMMAND_INVALID;
+ }
command_set = BROTLI_TRUE;
command = COMMAND_DECOMPRESS;
} else if (strcmp("force", arg) == 0) {
- if (params->force_overwrite) return COMMAND_INVALID;
+ if (params->force_overwrite) {
+ fprintf(stderr, "force output overwrite already set\n");
+ return COMMAND_INVALID;
+ }
params->force_overwrite = BROTLI_TRUE;
} else if (strcmp("help", arg) == 0) {
/* Don't parse further. */
return COMMAND_HELP;
} else if (strcmp("keep", arg) == 0) {
- if (keep_set) return COMMAND_INVALID;
+ if (keep_set) {
+ fprintf(stderr, "argument --rm / -j or --keep / -n already set\n");
+ return COMMAND_INVALID;
+ }
keep_set = BROTLI_TRUE;
params->junk_source = BROTLI_FALSE;
} else if (strcmp("no-copy-stat", arg) == 0) {
- if (!params->copy_stat) return COMMAND_INVALID;
+ if (!params->copy_stat) {
+ fprintf(stderr, "argument --no-copy-stat / -n already set\n");
+ return COMMAND_INVALID;
+ }
params->copy_stat = BROTLI_FALSE;
} else if (strcmp("rm", arg) == 0) {
- if (keep_set) return COMMAND_INVALID;
+ if (keep_set) {
+ fprintf(stderr, "argument --rm / -j or --keep / -n already set\n");
+ return COMMAND_INVALID;
+ }
keep_set = BROTLI_TRUE;
params->junk_source = BROTLI_TRUE;
} else if (strcmp("stdout", arg) == 0) {
- if (output_set) return COMMAND_INVALID;
+ if (output_set) {
+ fprintf(stderr, "write to standard output already set\n");
+ return COMMAND_INVALID;
+ }
output_set = BROTLI_TRUE;
params->write_to_stdout = BROTLI_TRUE;
} else if (strcmp("test", arg) == 0) {
- if (command_set) return COMMAND_INVALID;
+ if (command_set) {
+ fprintf(stderr, "command already set when parsing --test\n");
+ return COMMAND_INVALID;
+ }
command_set = BROTLI_TRUE;
command = COMMAND_TEST_INTEGRITY;
} else if (strcmp("verbose", arg) == 0) {
- if (params->verbose) return COMMAND_INVALID;
+ if (params->verbose) {
+ fprintf(stderr, "argument --verbose / -v already set\n");
+ return COMMAND_INVALID;
+ }
params->verbose = BROTLI_TRUE;
} else if (strcmp("version", arg) == 0) {
/* Don't parse further. */
@@ -343,30 +426,56 @@ static Command ParseParams(Context* params) {
/* key=value */
const char* value = strrchr(arg, '=');
size_t key_len;
- if (!value || value[1] == 0) return COMMAND_INVALID;
+ if (!value || value[1] == 0) {
+ fprintf(stderr, "must pass the parameter as --%s=value\n", arg);
+ return COMMAND_INVALID;
+ }
key_len = (size_t)(value - arg);
value++;
if (strncmp("lgwin", arg, key_len) == 0) {
- if (lgwin_set) return COMMAND_INVALID;
+ if (lgwin_set) {
+ fprintf(stderr, "lgwin parameter already set\n");
+ return COMMAND_INVALID;
+ }
lgwin_set = ParseInt(value, 0,
BROTLI_MAX_WINDOW_BITS, &params->lgwin);
- if (!lgwin_set) return COMMAND_INVALID;
+ if (!lgwin_set) {
+ fprintf(stderr, "error parsing lgwin value [%s]\n", value);
+ return COMMAND_INVALID;
+ }
if (params->lgwin != 0 && params->lgwin < BROTLI_MIN_WINDOW_BITS) {
+ fprintf(stderr,
+ "lgwin parameter (%d) smaller than the minimum (%d)\n",
+ params->lgwin, BROTLI_MIN_WINDOW_BITS);
return COMMAND_INVALID;
}
} else if (strncmp("output", arg, key_len) == 0) {
- if (output_set) return COMMAND_INVALID;
+ if (output_set) {
+ fprintf(stderr,
+ "write to standard output already set (--output)\n");
+ return COMMAND_INVALID;
+ }
params->output_path = value;
} else if (strncmp("quality", arg, key_len) == 0) {
- if (quality_set) return COMMAND_INVALID;
+ if (quality_set) {
+ fprintf(stderr, "quality already set\n");
+ return COMMAND_INVALID;
+ }
quality_set = ParseInt(value, BROTLI_MIN_QUALITY,
BROTLI_MAX_QUALITY, &params->quality);
- if (!quality_set) return COMMAND_INVALID;
+ if (!quality_set) {
+ fprintf(stderr, "error parsing quality value [%s]\n", value);
+ return COMMAND_INVALID;
+ }
} else if (strncmp("suffix", arg, key_len) == 0) {
- if (suffix_set) return COMMAND_INVALID;
+ if (suffix_set) {
+ fprintf(stderr, "suffix already set\n");
+ return COMMAND_INVALID;
+ }
suffix_set = BROTLI_TRUE;
params->suffix = value;
} else {
+ fprintf(stderr, "invalid parameter: [%s]\n", arg);
return COMMAND_INVALID;
}
}
generated by cgit v1.1 at 2024-08-03 07:56:47 +0000