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authorPablo Barciela <[email protected]>2017-12-29 16:56:34 +0100
committerPablo Barciela <[email protected]>2017-12-29 16:56:34 +0100
commitd0ec08fae4bdc55a31c5533bca298a44e9b9cb39 (patch)
tree1f8a4900b2da5e40359166aad4d259c683d742c1 /battstat
parent341cd453ca93a6842f2535a827dab88c95257cb8 (diff)
downloadmate-applets-d0ec08fae4bdc55a31c5533bca298a44e9b9cb39.tar.bz2
mate-applets-d0ec08fae4bdc55a31c5533bca298a44e9b9cb39.tar.xz
Fix build warnings: ignoring return value of ‘fgets’,
declared with attribute warn_unused_result
Diffstat (limited to 'battstat')
-rw-r--r--battstat/apmlib/apmlib.c34
1 files changed, 26 insertions, 8 deletions
diff --git a/battstat/apmlib/apmlib.c b/battstat/apmlib/apmlib.c
index 41c8fdf7..0e9946cd 100644
--- a/battstat/apmlib/apmlib.c
+++ b/battstat/apmlib/apmlib.c
@@ -59,7 +59,10 @@ int apm_read(apm_info * i)
if (!(str = fopen(APM_PROC, "r")))
return 1;
- fgets(buffer, sizeof(buffer) - 1, str);
+
+ if (fgets(buffer, sizeof(buffer) - 1, str) == NULL)
+ printf("fgets error\n");
+
buffer[sizeof(buffer) - 1] = '\0';
/* Should check for other driver versions; driver 1.9 (and some
@@ -95,12 +98,19 @@ int apm_read(apm_info * i)
sscanf(buffer, "BIOS version: %d.%d",
&i->apm_version_major, &i->apm_version_minor);
- fgets(buffer, sizeof(buffer) - 1, str);
+
+ if (fgets(buffer, sizeof(buffer) - 1, str) == NULL)
+ printf("fgets error\n");
+
sscanf(buffer, "Flags: 0x%02x", &i->apm_flags);
if (i->apm_flags & APM_32_BIT_SUPPORT)
{
- fgets(buffer, sizeof(buffer) - 1, str);
- fgets(buffer, sizeof(buffer) - 1, str);
+ if (fgets(buffer, sizeof(buffer) - 1, str) == NULL)
+ printf("fgets error\n");
+
+ if (fgets(buffer, sizeof(buffer) - 1, str) == NULL)
+ printf("fgets error\n");
+
if (buffer[0] != 'P')
{
if (!strncmp(buffer + 4, "off line", 8))
@@ -110,7 +120,9 @@ int apm_read(apm_info * i)
else if (!strncmp(buffer + 4, "on back", 7))
i->ac_line_status = 2;
- fgets(buffer, sizeof(buffer) - 1, str);
+ if (fgets(buffer, sizeof(buffer) - 1, str) == NULL)
+ printf("fgets error\n");
+
if (!strncmp(buffer + 16, "high", 4))
i->battery_status = 0;
else if (!strncmp(buffer + 16, "low", 3))
@@ -120,15 +132,21 @@ int apm_read(apm_info * i)
else if (!strncmp(buffer + 16, "charg", 5))
i->battery_status = 3;
- fgets(buffer, sizeof(buffer) - 1, str);
+ if (fgets(buffer, sizeof(buffer) - 1, str) == NULL)
+ printf("fgets error\n");
+
if (strncmp(buffer + 14, "unknown", 7))
i->battery_percentage = atoi(buffer + 14);
if (i->apm_version_major >= 1 && i->apm_version_minor >= 1)
{
- fgets(buffer, sizeof(buffer) - 1, str);
+ if (fgets(buffer, sizeof(buffer) - 1, str) == NULL)
+ printf("fgets error\n");
+
sscanf(buffer, "Battery flag: 0x%02x", &i->battery_flags);
- fgets(buffer, sizeof(buffer) - 1, str);
+ if (fgets(buffer, sizeof(buffer) - 1, str) == NULL)
+ printf("fgets error\n");
+
if (strncmp(buffer + 14, "unknown", 7))
i->battery_time = atoi(buffer + 14);
}