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don't allow the use of perc if uninitialized

This commit is contained in:
raiz 2016-12-27 20:09:07 +03:00
parent 8b5b72b65e
commit 11fec4fa95
1 changed files with 4 additions and 4 deletions
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8
slstatus.c
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@ -699,11 +699,11 @@ wifi_perc(const char *iface)
fgets(buf, sizeof(buf), fp);
fclose(fp);
datastart = strstr(buf, concat);
if (datastart != NULL) {
datastart = strstr(buf, ":");
sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d", &perc);
if ((datastart = strstr(buf, concat)) == NULL) {
return smprintf("%s", UNKNOWN_STR);
}
datastart = (datastart+(strlen(iface)+1));
sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d", &perc);
return smprintf("%d%%", perc);
}