[v0.88][ARM][BUGFIX] Fix some compilation issues

src/arm/midr.c

@@ -128,13 +128,14 @@ struct cpuInfo* get_cpu_info() {
   cpu->next_cpu = NULL;
 
   int ncores = get_ncores_from_cpuinfo();
+  bool success = false;
   uint32_t* midr_array = malloc(sizeof(uint32_t) * ncores);
   uint32_t* ids_array = malloc(sizeof(uint32_t) * ncores);
 
   for(int i=0; i < ncores; i++) {
-    midr_array[i] = get_midr_from_cpuinfo(i);
+    midr_array[i] = get_midr_from_cpuinfo(i, &success);
     
-    if(midr_array[i] == UNKNOWN) {
+    if(!success) {
       printWarn("Unable to fetch MIDR for core %d. This is probably because the core is offline", i);
       midr_array[i] = midr_array[0];
     }
@@ -217,14 +218,15 @@ char* get_soc_name(struct cpuInfo* cpu) {
 
 void print_debug(struct cpuInfo* cpu) {
   int ncores = get_ncores_from_cpuinfo();
+  bool success = false;
   
   for(int i=0; i < ncores; i++) {
     printf("[Core %d] ", i);
     long freq = get_max_freq_from_file(i);
-    uint32_t midr = get_midr_from_cpuinfo(i);
-    if(midr == UNKNOWN) {
+    uint32_t midr = get_midr_from_cpuinfo(i, &success);
+    if(!success) {
       printWarn("Unable to fetch MIDR for core %d. This is probably because the core is offline", i);
-      printf("0x%.8X ", get_midr_from_cpuinfo(0));
+      printf("0x%.8X ", get_midr_from_cpuinfo(0, &success));
     }
     else {
       printf("0x%.8X ", midr);    

src/arm/uarch.c

@@ -7,6 +7,8 @@
 #include "uarch.h"
 #include "../common/global.h"
 
+#define STRING_UNKNOWN    "Unknown"
+
 // Data not available
 #define NA                   -1
 
@@ -276,8 +278,8 @@ char* get_str_uarch(struct cpuInfo* cpu) {
 }
 
 char* get_str_process(struct cpuInfo* cpu) {
-  char* str = malloc(sizeof(char) * (4+2+1));
-  sprintf(str, "%s", "Unknown");
+  char* str = malloc(sizeof(char) * (strlen(STRING_UNKNOWN)+1));
+  snprintf(str, strlen(STRING_UNKNOWN)+1, STRING_UNKNOWN);
   return str;
 }
 

src/common/printer.c

@@ -534,7 +534,8 @@ void print_ascii(struct ascii* art) {
   if(art->vendor == CPU_VENDOR_ARM)
     print_ascii_arm(art, longest_attribute);
   else {
-    printBug("Invalid CPU vendor: %d\n", art->vendor);
+    printWarn("Invalid CPU vendor: %d\n", art->vendor);
+    print_ascii_arm(art, longest_attribute);
   }
   
 }
@@ -581,7 +582,7 @@ bool print_cpufetch_arm(struct ascii* art, struct cpuInfo* cpu, struct colors* c
       char* l2 = get_str_l2(ptr->cach);
       char* l3 = get_str_l3(ptr->cach);
       
-      char* cpu_num = malloc(sizeof(char) * 6);
+      char* cpu_num = malloc(sizeof(char) * 9);
       sprintf(cpu_num, "CPU %d:", i+1);
       setAttribute(art, ATTRIBUTE_CPU_NUM, cpu_num);
       setAttribute(art, ATTRIBUTE_UARCH, uarch);

src/common/udev.c

@@ -164,12 +164,14 @@ long parse_cpuinfo_field(char* buf, char* field_str, int field_base) {
 }
 // https://developer.arm.com/docs/ddi0595/h/aarch32-system-registers/midr
 // https://static.docs.arm.com/ddi0595/h/SysReg_xml_v86A-2020-06.pdf
-uint32_t get_midr_from_cpuinfo(uint32_t core) {
+uint32_t get_midr_from_cpuinfo(uint32_t core, bool* success) {
   int fd = open(_PATH_CPUINFO, O_RDONLY);
+  *success = true;
   
   if(fd == -1) {
+    *success = false;
     perror("open");
-    return UNKNOWN;
+    return 0;
   }
 
   //File exists, read it
@@ -191,8 +193,10 @@ uint32_t get_midr_from_cpuinfo(uint32_t core) {
     tmp = strstr(tmp, CPUINFO_CPU_STRING);
   }
   
-  if(tmp == NULL)
-    return UNKNOWN;
+  if(tmp == NULL) {
+    *success = false;    
+    return 0;
+  }
 
   uint32_t cpu_implementer;
   uint32_t cpu_architecture;
@@ -204,30 +208,35 @@ uint32_t get_midr_from_cpuinfo(uint32_t core) {
 
   if ((ret = parse_cpuinfo_field(tmp, CPUINFO_CPU_IMPLEMENTER_STR, 16)) < 0) {
     printf("Failed parsing cpu_implementer\n");
+    *success = false;    
     return 0;
   }
   cpu_implementer = (uint32_t) ret;
 
   if ((ret = parse_cpuinfo_field(tmp, CPUINFO_CPU_ARCHITECTURE_STR, 10)) < 0) {
     printf("Failed parsing cpu_architecture\n");
+    *success = false;    
     return 0;
   }
   cpu_architecture = (uint32_t) 0xF; // Why?
 
   if ((ret = parse_cpuinfo_field(tmp, CPUINFO_CPU_VARIANT_STR, 16)) < 0) {
     printf("Failed parsing cpu_variant\n");
+    *success = false;    
     return 0;
   }
   cpu_variant = (uint32_t) ret;
 
   if ((ret = parse_cpuinfo_field(tmp, CPUINFO_CPU_PART_STR, 16)) < 0) {
     printf("Failed parsing cpu_part\n");
+    *success = false;    
     return 0;
   }
   cpu_part = (uint32_t) ret;
 
   if ((ret = parse_cpuinfo_field(tmp, CPUINFO_CPU_REVISION_STR, 10)) < 0) {
     printf("Failed parsing cpu_revision\n");
+    *success = false;    
     return 0;
   }
   cpu_revision = (uint32_t) ret;

src/common/udev.h

@@ -2,6 +2,7 @@
 #define __UDEV__
 
 #include <stdint.h>
+#include <stdbool.h>
 
 long get_max_freq_from_file(uint32_t core);
 long get_min_freq_from_file(uint32_t core);
@@ -9,7 +10,7 @@ long get_min_freq_from_file(uint32_t core);
 #ifdef ARCH_ARM
 #define UNKNOWN -1
 int get_ncores_from_cpuinfo();
-uint32_t get_midr_from_cpuinfo(uint32_t core);
+uint32_t get_midr_from_cpuinfo(uint32_t core, bool* success);
 #endif
 
 #endif