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Only consider a read successful when the file seems valid

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Require at least the `fields` entry to be present,
so we can have a decent guess that it was indeed a settings file.
This commit is contained in:
Hisham Muhammad 2018-02-18 20:35:23 -03:00
parent 8c653212c0
commit 03b2581745
1 changed files with 9 additions and 7 deletions
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16
Settings.c
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@ -172,7 +172,8 @@ static bool Settings_read(Settings* this, const char* fileName) {
if (!fd)
return false;
bool readMeters = false;
bool didReadMeters = false;
bool didReadFields = false;
for (;;) {
char* line = String_readLine(fd);
if (!line) {
@ -187,6 +188,7 @@ static bool Settings_read(Settings* this, const char* fileName) {
}
if (String_eq(option[0], "fields")) {
readFields(this->fields, &(this->flags), option[1]);
didReadFields = true;
} else if (String_eq(option[0], "sort_key")) {
// This "+1" is for compatibility with the older enum format.
this->sortKey = atoi(option[1]) + 1;
@ -232,24 +234,24 @@ static bool Settings_read(Settings* this, const char* fileName) {
if (this->colorScheme < 0 || this->colorScheme >= LAST_COLORSCHEME) this->colorScheme = 0;
} else if (String_eq(option[0], "left_meters")) {
Settings_readMeters(this, option[1], 0);
readMeters = true;
didReadMeters = true;
} else if (String_eq(option[0], "right_meters")) {
Settings_readMeters(this, option[1], 1);
readMeters = true;
didReadMeters = true;
} else if (String_eq(option[0], "left_meter_modes")) {
Settings_readMeterModes(this, option[1], 0);
readMeters = true;
didReadMeters = true;
} else if (String_eq(option[0], "right_meter_modes")) {
Settings_readMeterModes(this, option[1], 1);
readMeters = true;
didReadMeters = true;
}
String_freeArray(option);
}
fclose(fd);
if (!readMeters) {
if (!didReadMeters) {
Settings_defaultMeters(this);
}
return true;
return didReadFields;
}
static void writeFields(FILE* fd, ProcessField* fields, const char* name) {