Print help to stdout
The output of -h/--help was printed on stderr, although it is not an error. Printing on stdout allows to pipe the result directly: scrcpy --help | less Instead of (in bash): scrcpy --help |& less
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1 changed files with 13 additions and 13 deletions
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@ -675,12 +675,12 @@ print_option_usage_header(const struct sc_option *opt) {
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}
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}
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}
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}
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fprintf(stderr, "\n %s\n", buf.s);
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printf("\n %s\n", buf.s);
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free(buf.s);
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free(buf.s);
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return;
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return;
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error:
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error:
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fprintf(stderr, "<ERROR>\n");
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printf("<ERROR>\n");
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}
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}
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static void
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static void
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@ -696,11 +696,11 @@ print_option_usage(const struct sc_option *opt, unsigned cols) {
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char *text = sc_str_wrap_lines(opt->text, cols, 8);
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char *text = sc_str_wrap_lines(opt->text, cols, 8);
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if (!text) {
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if (!text) {
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fprintf(stderr, "<ERROR>\n");
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printf("<ERROR>\n");
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return;
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return;
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}
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}
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fprintf(stderr, "%s\n", text);
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printf("%s\n", text);
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free(text);
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free(text);
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}
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}
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@ -711,11 +711,11 @@ print_shortcuts_intro(unsigned cols) {
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"(left) Alt or (left) Super, but it can be configured by "
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"(left) Alt or (left) Super, but it can be configured by "
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"--shortcut-mod (see above).", cols, 4);
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"--shortcut-mod (see above).", cols, 4);
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if (!intro) {
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if (!intro) {
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fprintf(stderr, "<ERROR>\n");
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printf("<ERROR>\n");
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return;
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return;
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}
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}
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fprintf(stderr, "%s\n", intro);
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printf("%s\n", intro);
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free(intro);
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free(intro);
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}
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}
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@ -725,21 +725,21 @@ print_shortcut(const struct sc_shortcut *shortcut, unsigned cols) {
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assert(shortcut->shortcuts[0]); // At least one shortcut
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assert(shortcut->shortcuts[0]); // At least one shortcut
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assert(shortcut->text);
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assert(shortcut->text);
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fprintf(stderr, "\n");
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printf("\n");
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unsigned i = 0;
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unsigned i = 0;
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while (shortcut->shortcuts[i]) {
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while (shortcut->shortcuts[i]) {
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fprintf(stderr, " %s\n", shortcut->shortcuts[i]);
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printf(" %s\n", shortcut->shortcuts[i]);
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++i;
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++i;
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};
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};
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char *text = sc_str_wrap_lines(shortcut->text, cols, 8);
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char *text = sc_str_wrap_lines(shortcut->text, cols, 8);
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if (!text) {
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if (!text) {
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fprintf(stderr, "<ERROR>\n");
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printf("<ERROR>\n");
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return;
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return;
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}
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}
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fprintf(stderr, "%s\n", text);
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printf("%s\n", text);
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free(text);
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free(text);
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}
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}
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@ -763,14 +763,14 @@ scrcpy_print_usage(const char *arg0) {
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}
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}
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}
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}
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fprintf(stderr, "Usage: %s [options]\n\n"
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printf("Usage: %s [options]\n\n"
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"Options:\n", arg0);
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"Options:\n", arg0);
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for (size_t i = 0; i < ARRAY_LEN(options); ++i) {
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for (size_t i = 0; i < ARRAY_LEN(options); ++i) {
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print_option_usage(&options[i], cols);
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print_option_usage(&options[i], cols);
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}
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}
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// Print shortcuts section
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// Print shortcuts section
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fprintf(stderr, "\nShortcuts:\n\n");
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printf("\nShortcuts:\n\n");
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print_shortcuts_intro(cols);
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print_shortcuts_intro(cols);
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for (size_t i = 0; i < ARRAY_LEN(shortcuts); ++i) {
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for (size_t i = 0; i < ARRAY_LEN(shortcuts); ++i) {
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print_shortcut(&shortcuts[i], cols);
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print_shortcut(&shortcuts[i], cols);
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