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Change more fprintf(stderr, ...); exit(...); to err[x](...). Tweak a few existing ones and fix some style.

This commit is contained in:
Michael McConville 2015-09-19 12:15:26 -04:00
parent e2bbd5cfa4
commit 571cbc0aa1
2 changed files with 7 additions and 11 deletions
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11
darwin/DarwinProcessList.c
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@ -41,16 +41,14 @@ void ProcessList_getHostInfo(host_basic_info_data_t *p) {
mach_msg_type_number_t info_size = HOST_BASIC_INFO_COUNT; mach_msg_type_number_t info_size = HOST_BASIC_INFO_COUNT;
if(0 != host_info(mach_host_self(), HOST_BASIC_INFO, (host_info_t)p, &info_size)) { if(0 != host_info(mach_host_self(), HOST_BASIC_INFO, (host_info_t)p, &info_size)) {
fprintf(stderr, "Unable to retrieve host info\n"); err(2, "Unable to retrieve host info\n");
exit(2);
} }
} }
void ProcessList_freeCPULoadInfo(processor_cpu_load_info_t *p) { void ProcessList_freeCPULoadInfo(processor_cpu_load_info_t *p) {
if(NULL != p && NULL != *p) { if(NULL != p && NULL != *p) {
if(0 != munmap(*p, vm_page_size)) { if(0 != munmap(*p, vm_page_size)) {
fprintf(stderr, "Unable to free old CPU load information\n"); err(8, "Unable to free old CPU load information\n");
exit(8);
} }
} }
@ -63,8 +61,7 @@ unsigned ProcessList_allocateCPULoadInfo(processor_cpu_load_info_t *p) {
// TODO Improving the accuracy of the load counts woule help a lot. // TODO Improving the accuracy of the load counts woule help a lot.
if(0 != host_processor_info(mach_host_self(), PROCESSOR_CPU_LOAD_INFO, &cpu_count, (processor_info_array_t *)p, &info_size)) { if(0 != host_processor_info(mach_host_self(), PROCESSOR_CPU_LOAD_INFO, &cpu_count, (processor_info_array_t *)p, &info_size)) {
fprintf(stderr, "Unable to retrieve CPU info\n"); err(4, "Unable to retrieve CPU info\n");
exit(4);
} }
return cpu_count; return cpu_count;
@ -91,7 +88,7 @@ struct kinfo_proc *ProcessList_getKInfoProcs(size_t *count) {
processes = malloc(*count); processes = malloc(*count);
if (processes == NULL) if (processes == NULL)
err(6, "Out of memory for kproc_infos"); errx(6, "Out of memory for kproc_infos");
if (sysctl(mib, 4, processes, count, NULL, 0) < 0) if (sysctl(mib, 4, processes, count, NULL, 0) < 0)
err(7, "Unable to get kinfo_procs"); err(7, "Unable to get kinfo_procs");

3
htop.c
View File

@ -176,8 +176,7 @@ int main(int argc, char** argv) {
#ifdef HAVE_PROC #ifdef HAVE_PROC
if (access(PROCDIR, R_OK) != 0) { if (access(PROCDIR, R_OK) != 0) {
fprintf(stderr, "Error: could not read procfs (compiled to look in %s).\n", PROCDIR); errx(1, "Error: could not read procfs (compiled to look in %s).\n", PROCDIR);
exit(1);
} }
#endif #endif