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min-max for cli opts

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Devaev Maxim
2018-09-21 19:44:04 +03:00
parent 9d3fd9f607
commit 099bb85d66
1 changed files with 14 additions and 14 deletions
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28
src/main.c
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@@ -109,10 +109,10 @@ static int _parse_options(int argc, char *argv[], struct device_t *dev, struct h
# define OPT_TRUE(_dest) \ # define OPT_TRUE(_dest) \
{ _dest = true; break; } { _dest = true; break; }
# define OPT_UNSIGNED(_dest, _name, _min) \ # define OPT_UNSIGNED(_dest, _name, _min, _max) \
{ int _tmp = strtol(optarg, NULL, 0); \ { int _tmp = strtol(optarg, NULL, 0); \
if (errno || _tmp < _min) \ if (errno || _tmp < _min || _tmp > _max) \
{ printf("Invalid value for '%s=%u'; minimal=%u\n", _name, _tmp, _min); return -1; } \ { printf("Invalid value for '%s=%u'; minimal=%u; maximum=%u\n", _name, _tmp, _min, _max); return -1; } \
_dest = _tmp; break; } _dest = _tmp; break; }
# define OPT_PARSE(_dest, _func, _invalid, _name) \ # define OPT_PARSE(_dest, _func, _invalid, _name) \
@@ -127,27 +127,27 @@ static int _parse_options(int argc, char *argv[], struct device_t *dev, struct h
while ((ch = getopt_long(argc, argv, _short_opts, _long_opts, &index)) >= 0) { while ((ch = getopt_long(argc, argv, _short_opts, _long_opts, &index)) >= 0) {
switch (ch) { switch (ch) {
case 'd': OPT_ARG(dev->path); case 'd': OPT_ARG(dev->path);
case 'x': OPT_UNSIGNED(dev->width, "--width", 320); case 'x': OPT_UNSIGNED(dev->width, "--width", 320, 1920);
case 'y': OPT_UNSIGNED(dev->height, "--height", 180); case 'y': OPT_UNSIGNED(dev->height, "--height", 180, 1200);
# pragma GCC diagnostic ignored "-Wsign-compare" # pragma GCC diagnostic ignored "-Wsign-compare"
# pragma GCC diagnostic push # pragma GCC diagnostic push
case 'f': OPT_PARSE(dev->format, device_parse_format, FORMAT_UNKNOWN, "pixel format"); case 'f': OPT_PARSE(dev->format, device_parse_format, FORMAT_UNKNOWN, "pixel format");
# pragma GCC diagnostic pop # pragma GCC diagnostic pop
case 'a': OPT_PARSE(dev->standard, device_parse_standard, STANDARD_UNKNOWN, "TV standard"); case 'a': OPT_PARSE(dev->standard, device_parse_standard, STANDARD_UNKNOWN, "TV standard");
case 'e': OPT_UNSIGNED(dev->every_frame, "--every-frame", 1); case 'e': OPT_UNSIGNED(dev->every_frame, "--every-frame", 1, 30);
case 'z': OPT_UNSIGNED(dev->min_frame_size, "--min-frame-size", 0); case 'z': OPT_UNSIGNED(dev->min_frame_size, "--min-frame-size", 0, 8192);
case 't': OPT_TRUE(dev->dv_timings); case 't': OPT_TRUE(dev->dv_timings);
case 'n': OPT_UNSIGNED(dev->n_buffers, "--buffers", 1); case 'n': OPT_UNSIGNED(dev->n_buffers, "--buffers", 1, 32);
case 'q': OPT_UNSIGNED(dev->jpeg_quality, "--jpeg-quality", 1); case 'q': OPT_UNSIGNED(dev->jpeg_quality, "--jpeg-quality", 1, 100);
case 1000: OPT_UNSIGNED(dev->timeout, "--timeout", 1); case 1000: OPT_UNSIGNED(dev->timeout, "--timeout", 1, 60);
case 1001: OPT_UNSIGNED(dev->error_timeout, "--error-timeout", 1); case 1001: OPT_UNSIGNED(dev->error_timeout, "--error-timeout", 1, 60);
case 's': server->host = optarg; break; case 's': server->host = optarg; break;
case 'p': OPT_UNSIGNED(server->port, "--port", 1); case 'p': OPT_UNSIGNED(server->port, "--port", 1, 65535);
case 2000: OPT_UNSIGNED(server->timeout, "--server-timeout", 1); case 2000: OPT_UNSIGNED(server->timeout, "--server-timeout", 1, 60);
case 5000: log_level = LOG_LEVEL_DEBUG; break; case 5000: log_level = LOG_LEVEL_DEBUG; break;
case 5001: OPT_UNSIGNED(log_level, "--log-level", 0); case 5001: OPT_UNSIGNED(log_level, "--log-level", 0, 3);
case 0: break; case 0: break;
case 'h': default: _help(dev, server); return -1; case 'h': default: _help(dev, server); return -1;
} }