From cce2e5ecb05cdf68831fbf44c5ab90f4e16364b3 Mon Sep 17 00:00:00 2001 From: drkhsh Date: Fri, 28 Oct 2022 00:21:02 +0200 Subject: [PATCH] radical re-formatting 3/3: Error checks Check for `< 0` instead of `== -1`. Fixes coding style. Formatting commits suck, incoherent coding style sucks more. https://suckless.org/coding_style/ --- components/cpu.c | 6 ++---- components/netspeeds.c | 4 ++-- components/ram.c | 20 ++++++++++---------- components/swap.c | 2 +- 4 files changed, 15 insertions(+), 17 deletions(-) diff --git a/components/cpu.c b/components/cpu.c index 10d25c0..d0d03c7 100644 --- a/components/cpu.c +++ b/components/cpu.c @@ -118,8 +118,7 @@ size = sizeof(freq); /* in MHz */ - if (sysctlbyname("hw.clockrate", &freq, &size, NULL, 0) == -1 - || !size) { + if (sysctlbyname("hw.clockrate", &freq, &size, NULL, 0) < 0 || !size) { warn("sysctlbyname 'hw.clockrate':"); return NULL; } @@ -136,8 +135,7 @@ size = sizeof(a); memcpy(b, a, sizeof(b)); - if (sysctlbyname("kern.cp_time", &a, &size, NULL, 0) == -1 - || !size) { + if (sysctlbyname("kern.cp_time", &a, &size, NULL, 0) < 0 || !size) { warn("sysctlbyname 'kern.cp_time':"); return NULL; } diff --git a/components/netspeeds.c b/components/netspeeds.c index 97e565b..cde6fa9 100644 --- a/components/netspeeds.c +++ b/components/netspeeds.c @@ -71,7 +71,7 @@ oldrxbytes = rxbytes; - if (getifaddrs(&ifal) == -1) { + if (getifaddrs(&ifal) < 0) { warn("getifaddrs failed"); return NULL; } @@ -105,7 +105,7 @@ oldtxbytes = txbytes; - if (getifaddrs(&ifal) == -1) { + if (getifaddrs(&ifal) < 0) { warn("getifaddrs failed"); return NULL; } diff --git a/components/ram.c b/components/ram.c index 326153f..15c4b74 100644 --- a/components/ram.c +++ b/components/ram.c @@ -159,8 +159,8 @@ size_t len; len = sizeof(struct vmtotal); - if (sysctl(mib, 2, &vm_stats, &len, NULL, 0) == -1 - || !len) + if (sysctl(mib, 2, &vm_stats, &len, NULL, 0) < 0 + || !len) return NULL; return fmt_human(vm_stats.t_free * getpagesize(), 1024); @@ -172,8 +172,8 @@ size_t len; len = sizeof(npages); - if (sysctlbyname("vm.stats.vm.v_page_count", &npages, &len, NULL, 0) == -1 - || !len) + if (sysctlbyname("vm.stats.vm.v_page_count", + &npages, &len, NULL, 0) < 0 || !len) return NULL; return fmt_human(npages * getpagesize(), 1024); @@ -186,12 +186,12 @@ size_t len; len = sizeof(npages); - if (sysctlbyname("vm.stats.vm.v_page_count", &npages, &len, NULL, 0) == -1 - || !len) + if (sysctlbyname("vm.stats.vm.v_page_count", + &npages, &len, NULL, 0) < 0 || !len) return NULL; - if (sysctlbyname("vm.stats.vm.v_active_count", &active, &len, NULL, 0) == -1 - || !len) + if (sysctlbyname("vm.stats.vm.v_active_count", + &active, &len, NULL, 0) < 0 || !len) return NULL; return bprintf("%d", active * 100 / npages); @@ -203,8 +203,8 @@ size_t len; len = sizeof(active); - if (sysctlbyname("vm.stats.vm.v_active_count", &active, &len, NULL, 0) == -1 - || !len) + if (sysctlbyname("vm.stats.vm.v_active_count", + &active, &len, NULL, 0) < 0 || !len) return NULL; return fmt_human(active * getpagesize(), 1024); diff --git a/components/swap.c b/components/swap.c index 6ae0542..f270d93 100644 --- a/components/swap.c +++ b/components/swap.c @@ -204,7 +204,7 @@ return 0; } - if(kvm_getswapinfo(kd, swap_info, size, 0 /* Unused flags */) == -1) { + if (kvm_getswapinfo(kd, swap_info, size, 0 /* Unused flags */) < 0) { warn("kvm_getswapinfo:"); kvm_close(kd); return 0;