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wmacpi: Fix -Wunused-but-set-variable compiler warning.

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In particular,
libacpi.c: In function ‘procfs_get_battery_info’:
libacpi.c:582:9: warning: variable ‘buflen’ set but not used [-Wunused-but-set-variable]
     int buflen;
         ^
This commit is contained in:
Doug Torrance 2014-11-23 23:06:22 -06:00 committed by Carlos R. Mafra
parent 3b0dceb28e
commit dde6a84b93
1 changed files with 4 additions and 0 deletions
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4
wmacpi/libacpi.c
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@ -649,6 +649,10 @@ static int procfs_get_battery_info(global_t *globals, int batt_no)
/* grab the file contents */
memset(buf, 0, sizeof(buf));
buflen = fread(buf, sizeof(buf), 1, file);
if (buflen != sizeof(buf) && ferror(file)) {
pfatal("Could not read file\n");
return 1;
}
fclose(file);
/* check to see if there were any errors reported in the file */