Print file open error information

pabs3 · pabs3 · commit 67255875ec17 · 2022-07-31T15:36:52.000+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
@@ -532,7 +532,7 @@ 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
`@@ -532,7 +532,7 @@ namespace SPTAG`
`532`	`532`	`{`
`533`	`533`	`m_fileHandle = open(filePath, O_RDONLY \| O_DIRECT);`
`534`	`534`	`if (m_fileHandle <= 0) {`
`535`		`- LOG(LogLevel::LL_Error, "Failed to create file handle: %s\n", filePath);`
	`535`	`+ LOG(LogLevel::LL_Error, "Failed to create file handle: %s: %s\n", filePath, strerror(errno));`
`536`	`536`	`return false;`
`537`	`537`	`}`
`538`	`538`