Print file open error information

pabs3 · pabs3 · commit d078e3a0bf18 · 2023-03-01T16:02:59.000+08:00
Should help diagnose the build failures in Debian. Fixes: #327
diff --git a/AnnService/inc/Helper/AsyncFileReader.h b/AnnService/inc/Helper/AsyncFileReader.h
@@ -518,7 +518,7 @@ namespace SPTAG
             {
                 m_fileHandle = open(filePath, O_RDONLY | O_DIRECT);
                 if (m_fileHandle <= 0) {
-                    LOG(LogLevel::LL_Error, "Failed to create file handle: %s\n", filePath);
+                    LOG(LogLevel::LL_Error, "Failed to create file handle: %s: %s\n", filePath, strerror(errno));
                     return false;
                 }
 

Original file line number	Diff line number	Diff line change
`@@ -518,7 +518,7 @@ namespace SPTAG`
`518`	`518`	`{`
`519`	`519`	`m_fileHandle = open(filePath, O_RDONLY \| O_DIRECT);`
`520`	`520`	`if (m_fileHandle <= 0) {`
`521`		`- LOG(LogLevel::LL_Error, "Failed to create file handle: %s\n", filePath);`
	`521`	`+ LOG(LogLevel::LL_Error, "Failed to create file handle: %s: %s\n", filePath, strerror(errno));`
`522`	`522`	`return false;`
`523`	`523`	`}`
`524`	`524`