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fix(Uptime): fix reading procfs files and simplify data parsing

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This commit is contained in:
apocelipes
2023-12-04 17:29:20 +09:00
committed by Carter Li
parent ed879ee53c
commit 57f88d2167
1 changed files with 7 additions and 4 deletions
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src/detection/uptime/uptime_linux.c
+7 -4
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@@ -7,14 +7,17 @@
const char* ffDetectUptime(FFUptimeResult* result)
{
// #620
FF_AUTO_CLOSE_FILE FILE* uptime = fopen("/proc/uptime", "r");
if (!uptime) return "fopen(\"/proc/uptime\", \"r\") failed";
char buf[64];
ssize_t nRead = ffReadFileData("/proc/uptime", sizeof(buf) - 1, buf);
if(nRead < 0)
return "ffReadFileData(\"/proc/uptime\", sizeof(buf) - 1, buf) failed";
buf[nRead] = '\0';
double sec;
if (fscanf(uptime, "%lf", &sec) > 0)
if(sscanf(buf, "%lf", &sec) > 0)
result->uptime = (uint64_t) (sec * 1000);
else
return "fscanf(\"%lf\", &sec) failed";
return "sscanf(buf.chars, \"%lf\", &sec) failed";
result->bootTime = ffTimeGetNow() + result->uptime;