cleanup warnings (#3934)

liebman · devyte · commit 3b0c3958377d · 2017-12-08T02:08:54.000-03:00
diff --git a/cores/esp8266/Esp.cpp b/cores/esp8266/Esp.cpp
@@ -396,7 +396,6 @@ struct rst_info * EspClass::getResetInfoPtr(void) {
 }
 
 bool EspClass::eraseConfig(void) {
-    bool ret = true;
     const size_t cfgSize = 0x4000;
     size_t cfgAddr = ESP.getFlashChipSize() - cfgSize;
 
diff --git a/cores/esp8266/spiffs/spiffs_hydrogen.c b/cores/esp8266/spiffs/spiffs_hydrogen.c
@@ -14,6 +14,7 @@ static s32_t spiffs_fflush_cache(spiffs *fs, spiffs_file fh);
 
 #if SPIFFS_BUFFER_HELP
 u32_t SPIFFS_buffer_bytes_for_filedescs(spiffs *fs, u32_t num_descs) {
+  (void)fs; // unused, avoid warning
   return num_descs * sizeof(spiffs_fd);
 }
 #if SPIFFS_CACHE

Original file line number	Diff line number	Diff line change
`@@ -396,7 +396,6 @@ struct rst_info * EspClass::getResetInfoPtr(void) {`
`396`	`396`	`}`
`397`	`397`
`398`	`398`	`bool EspClass::eraseConfig(void) {`
`399`		`- bool ret = true;`
`400`	`399`	`const size_t cfgSize = 0x4000;`
`401`	`400`	`size_t cfgAddr = ESP.getFlashChipSize() - cfgSize;`
`402`	`401`
Original file line number	Diff line number	Diff line change
`@@ -14,6 +14,7 @@ static s32_t spiffs_fflush_cache(spiffs *fs, spiffs_file fh);`
`14`	`14`
`15`	`15`	`#if SPIFFS_BUFFER_HELP`
`16`	`16`	`u32_t SPIFFS_buffer_bytes_for_filedescs(spiffs *fs, u32_t num_descs) {`
	`17`	`+ (void)fs; // unused, avoid warning`
`17`	`18`	`return num_descs * sizeof(spiffs_fd);`
`18`	`19`	`}`
`19`	`20`	`#if SPIFFS_CACHE`