diff options
-rw-r--r-- | slstatus.c | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -564,12 +564,14 @@ wifi_perc(const char *wificard) char path[64]; char status[5]; char needle[strlen(wificard)+2]; - FILE *fp = fopen(path, "r"); + FILE *fp; strlcpy(path, "/sys/class/net/", sizeof(path)); strlcat(path, wificard, sizeof(path)); strlcat(path, "/operstate", sizeof(path)); + fp = fopen(path, "r"); + if(fp == NULL) { fprintf(stderr, "Error opening wifi operstate file: %s\n", strerror(errno)); |