tldr.c: fix indentation, update code; gitignore: add vscode directory

Signed-off-by: K.B.Dharun Krishna <[email protected]>

Author: kbdharun

.gitignore

@@ -33,3 +33,6 @@ infer-out
 *.i*86
 *.x86_64
 *.hex
+
+# VSCode
+.vscode

src/tldr.c

@@ -12,17 +12,18 @@
 #include <stdio.h>
 #include <string.h>
 #include <time.h>
+#include <unistd.h> //for isatty
 
 #define VERSION_TAG "v1.6.0"
 #ifndef VERSION
-    #define VERSION_PRETTY ""
+#define VERSION_PRETTY ""
 #else
-    #define VERSION_PRETTY VERSION
+#define VERSION_PRETTY VERSION
 #endif
 
 /* Help and usage */
-void        print_version           (char const *arg);
-void        print_usage             (char const *arg);
+void print_version(char const *arg);
+void print_usage(char const *arg);
 
 /* getopt */
 static int help_flag;
@@ -47,11 +48,10 @@ static struct option long_options[] = {
     {"sunos", no_argument, 0, 'p'},
     {"list", no_argument, &list_flag, 'l'},
     {"render", required_argument, 0, 'r'},
-    {"color", no_argument, &color_flag, 'C'}, {0, 0, 0, 0}};
+    {"color", no_argument, &color_flag, 'C'},
+    {0, 0, 0, 0}};
 
-int
-main(int argc, char **argv)
-{
+int main(int argc, char **argv) {
     int c;
     int missing_arg;
     int option_index;
@@ -79,12 +79,12 @@ main(int argc, char **argv)
             break;
 
         case '?':
-            /* do not set help flag, only show getopt error */
+            /* do not set the help flag, only show getopt error */
             /* help_flag = 1; */
             break;
 
         case 'p': {
-            const char* platform_name = long_options[option_index].name;
+            const char *platform_name = long_options[option_index].name;
             if (strcmp(platform_name, "platform") == 0) {
                 size_t len = strlen(optarg);
                 if (len > STRBUFSIZ)
@@ -121,7 +121,7 @@ main(int argc, char **argv)
         check_localdate();
     }
 
-    /* show help, if platform was supplied, but no further argument */
+    /* show help, if the platform was supplied, but no further argument */
     missing_arg = (platform_flag && !list_flag && (optind == argc));
     if (help_flag || missing_arg) {
         print_usage(argv[0]);
@@ -166,7 +166,7 @@ main(int argc, char **argv)
         sum = 0;
         while (optind < argc) {
             len = strlen(argv[optind]);
-            if (sum+len >= 4096)
+            if (sum + len >= 4096)
                 exit(EXIT_FAILURE);
             memcpy(buf + sum, argv[optind], len);
             memcpy(buf + sum + len, "-", 1);
@@ -192,22 +192,18 @@ main(int argc, char **argv)
     return EXIT_SUCCESS;
 }
 
-void
-print_version(char const *arg)
-{
+void print_version(char const *arg) {
     /* *INDENT-OFF* */
     if (strcmp("", VERSION_PRETTY) == 0)
-       fprintf(stdout, "%s %s\n", arg, VERSION_TAG);
+        fprintf(stdout, "%s %s\n", arg, VERSION_TAG);
     else
-       fprintf(stdout, "%s %s (%s)\n", arg, VERSION_TAG, VERSION_PRETTY);;
+        fprintf(stdout, "%s %s (%s)\n", arg, VERSION_TAG, VERSION_PRETTY);;
     fprintf(stdout, "Copyright (C) 2016 Arvid Gerstmann\n");
     fprintf(stdout, "Source available at https://github.com/tldr-pages/tldr-c-client\n");
     /* *INDENT-ON* */
 }
 
-void
-print_usage(char const *arg)
-{
+void print_usage(char const *arg) {
     char const *out = "usage: %s [-v] [OPTION]... SEARCH\n\n";
 
     /* *INDENT-OFF* */
@@ -229,4 +225,3 @@ print_usage(char const *arg)
     fprintf(stdout, "    %-20s %-30s\n", "-C, --color", "force color display");
     /* *INDENT-ON* */
 }
-