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synced 2026-05-01 14:57:59 +02:00
Better error checking in config file, rename the file
Accept "true", "enable", "on", "yes", "1" as true values, their counterparts as false ones. Check integer values for errors and range. Warn about ignored (e.g. misspelled) options. Check getenv() return value for NULL. Rename "tiorc" to "config", as it's a static INI file, not an executable "run commands".
This commit is contained in:
Vyacheslav Patkov
parent
2915d26a19
commit
42739c0817
2 changed files with 72 additions and 101 deletions
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@ -332,11 +332,9 @@ the configuration file first found in the following locations in the order
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listed:
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.PP
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.I $XDG_CONFIG_HOME/tio/tiorc
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.I $XDG_CONFIG_HOME/tio/config
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.PP
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.I $HOME/.config/tio/tiorc
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.PP
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.I $HOME/.tiorc
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.I $HOME/.config/tio/config
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.PP
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Labels can be used to group settings into named sub-configurations which can be
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153
src/configfile.c
153
src/configfile.c
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@ -98,6 +98,40 @@ static int get_match(const char *input, const char *pattern, char **match)
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return len;
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}
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static bool read_boolean(const char *value, const char *name)
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{
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const char *true_values[] = { "true", "enable", "on", "yes", "1", NULL };
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const char *false_values[] = { "false", "disable", "off", "no", "0", NULL };
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for (int i = 0; true_values[i] != NULL; i++)
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if (strcmp(value, true_values[i]) == 0)
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return true;
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for (int i = 0; false_values[i] != NULL; i++)
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if (strcmp(value, false_values[i]) == 0)
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return false;
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tio_error_printf("Invalid value '%s' for option '%s' in configuration file",
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value, name);
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exit(EXIT_FAILURE);
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}
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static long read_integer(const char *value, const char *name, long min_value, long max_value)
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{
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errno = 0;
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char *endptr;
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long result = strtol(value, &endptr, 10);
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if (errno || endptr == value || *endptr != '\0' || result < min_value || result > max_value)
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{
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tio_error_printf("Invalid value '%s' for option '%s' in configuration file",
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value, name);
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exit(EXIT_FAILURE);
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}
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return result;
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}
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/**
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* data_handler() - walk config file to load parameters matching user input
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*
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@ -119,11 +153,11 @@ static int data_handler(void *user, const char *section, const char *name,
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}
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else if (!strcmp(name, "baudrate"))
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{
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option.baudrate = string_to_long((char *)value);
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option.baudrate = read_integer(value, name, 0, LONG_MAX);
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}
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else if (!strcmp(name, "databits"))
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{
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option.databits = atoi(value);
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option.databits = read_integer(value, name, 5, 8);
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}
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else if (!strcmp(name, "flow"))
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{
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@ -132,7 +166,7 @@ static int data_handler(void *user, const char *section, const char *name,
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}
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else if (!strcmp(name, "stopbits"))
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{
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option.stopbits = atoi(value);
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option.stopbits = read_integer(value, name, 1, 2);
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}
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else if (!strcmp(name, "parity"))
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{
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@ -141,11 +175,11 @@ static int data_handler(void *user, const char *section, const char *name,
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}
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else if (!strcmp(name, "output-delay"))
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{
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option.output_delay = atoi(value);
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option.output_delay = read_integer(value, name, 0, LONG_MAX);
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}
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else if (!strcmp(name, "output-line-delay"))
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{
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option.output_line_delay = atoi(value);
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option.output_line_delay = read_integer(value, name, 0, LONG_MAX);
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}
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else if (!strcmp(name, "line-pulse-duration"))
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{
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@ -153,25 +187,11 @@ static int data_handler(void *user, const char *section, const char *name,
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}
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else if (!strcmp(name, "no-autoconnect"))
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{
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if (!strcmp(value, "enable"))
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{
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option.no_autoconnect = true;
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}
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else if (!strcmp(value, "disable"))
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{
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option.no_autoconnect = false;
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}
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option.no_autoconnect = read_boolean(value, name);
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}
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else if (!strcmp(name, "log"))
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{
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if (!strcmp(value, "enable"))
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{
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option.log = true;
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}
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else if (!strcmp(value, "disable"))
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{
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option.log = false;
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}
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option.log = read_boolean(value, name);
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}
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else if (!strcmp(name, "log-file"))
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{
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@ -180,47 +200,20 @@ static int data_handler(void *user, const char *section, const char *name,
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}
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else if (!strcmp(name, "log-strip"))
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{
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if (!strcmp(value, "enable"))
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{
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option.log_strip = true;
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}
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else if (!strcmp(value, "disable"))
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{
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option.log_strip = false;
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}
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option.log_strip = read_boolean(value, name);
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}
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else if (!strcmp(name, "local-echo"))
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{
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if (!strcmp(value, "enable"))
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{
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option.local_echo = true;
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}
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else if (!strcmp(value, "disable"))
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{
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option.local_echo = false;
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}
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option.local_echo = read_boolean(value, name);
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}
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else if (!strcmp(name, "hexadecimal"))
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{
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if (!strcmp(value, "enable"))
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{
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option.hex_mode = true;
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}
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else if (!strcmp(value, "disable"))
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{
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option.hex_mode = false;
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}
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option.hex_mode = read_boolean(value, name);
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}
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else if (!strcmp(name, "timestamp"))
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{
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if (!strcmp(value, "enable"))
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{
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option.timestamp = TIMESTAMP_24HOUR;
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}
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else if (!strcmp(value, "disable"))
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{
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option.timestamp = TIMESTAMP_NONE;
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}
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option.timestamp = read_boolean(value, name) ?
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TIMESTAMP_24HOUR : TIMESTAMP_NONE;
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}
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else if (!strcmp(name, "timestamp-format"))
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{
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@ -270,29 +263,15 @@ static int data_handler(void *user, const char *section, const char *name,
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}
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else if (!strcmp(name, "response-wait"))
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{
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if (!strcmp(value, "enable"))
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{
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option.response_wait = true;
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}
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else if (!strcmp(value, "disable"))
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{
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option.response_wait = false;
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}
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option.response_wait = read_boolean(value, name);
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}
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else if (!strcmp(name, "response-timeout"))
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{
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option.response_timeout = atoi(value);
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option.response_timeout = read_integer(value, name, 0, LONG_MAX);
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}
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else if (!strcmp(name, "rs-485"))
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{
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if (!strcmp(value, "enable"))
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{
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option.rs485 = true;
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}
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else if (!strcmp(value, "disable"))
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{
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option.rs485 = false;
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}
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option.rs485 = read_boolean(value, name);
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}
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else if (!strcmp(name, "rs-485-config"))
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{
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@ -304,14 +283,11 @@ static int data_handler(void *user, const char *section, const char *name,
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}
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else if (!strcmp(name, "mute"))
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{
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if (!strcmp(value, "enable"))
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{
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option.mute = true;
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option.mute = read_boolean(value, name);
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}
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else if (!strcmp(value, "disable"))
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else
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{
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option.mute = false;
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}
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tio_warning_printf("Unknown option '%s' in configuration file, ignored", name);
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}
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}
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@ -389,32 +365,29 @@ static int section_name_print_handler(void *user, const char *section, const cha
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static int resolve_config_file(void)
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{
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asprintf(&c.path, "%s/tio/tiorc", getenv("XDG_CONFIG_HOME"));
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if (!access(c.path, F_OK))
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char *xdg = getenv("XDG_CONFIG_HOME");
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if (xdg)
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{
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asprintf(&c.path, "%s/tio/config", xdg);
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if (access(c.path, F_OK) == 0)
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{
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return 0;
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}
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free(c.path);
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}
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asprintf(&c.path, "%s/.config/tio/tiorc", getenv("HOME"));
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if (!access(c.path, F_OK))
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char *home = getenv("HOME");
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if (home)
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{
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asprintf(&c.path, "%s/.config/tio/config", home);
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if (access(c.path, F_OK) == 0)
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{
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return 0;
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}
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free(c.path);
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asprintf(&c.path, "%s/.tiorc", getenv("HOME"));
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if (!access(c.path, F_OK))
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{
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return 0;
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}
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free(c.path);
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c.path = NULL;
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return -EINVAL;
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}
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