1 files changed, 35 insertions, 20 deletions

diff --git a/src/commands/grep.c b/src/commands/grep.c
index ffa1a41..4062734 100644
--- a/src/commands/grep.c
+++ b/src/commands/grep.c
@@ -92,10 +92,11 @@ static bool match_literal(char** string, char* pattern) {
     char* match = *string;
     size_t match_len = strlen(match);
     size_t pattern_len = strlen(pattern);
+    size_t i;
 
     if (match_len < pattern_len) return false;
 
-    for (size_t i = 0; i < match_len - pattern_len + 1; i++) {
+    for (i = 0; i < match_len - pattern_len + 1; i++) {
         if (
             (!flags.ignore_case && strncmp(match + i, pattern, pattern_len) == 0) ||
             (flags.ignore_case && strncasecmp(match + i, pattern, pattern_len) == 0)
@@ -122,17 +123,18 @@ static bool match(char** string, void* pattern) {
 }
 
 static bool match_any(char* path, void* pattern) {
-    FILE* file = get_file_s(path, "r");
-    if (file == NULL) return false;
-
+    FILE* file;
     char* buf = NULL;
     size_t offset;
     bool matched = false;
-
     int read;
+    
+    file = get_file_s(path, "r");
+    if (file == NULL) return false;
+
     while ((read = getline(&buf, &offset, file)) > 0) {
-        if (buf[read-1] == '\n') buf[read-1] = '\0';
         char* save = buf;
+        if (buf[read-1] == '\n') buf[read-1] = '\0';
         if (match(&save, pattern)) {
             matched = true;
             break;
@@ -145,31 +147,39 @@ static bool match_any(char* path, void* pattern) {
 }
 
 static bool match_file(char* path, void* pattern, bool many) {
-    FILE* file = get_file_s(path, "r");
-    if (file == NULL) return false;
-
-    int num_matched = 0;
-    int line_num = 0;
+    FILE* file;
     char* buf = NULL;
     size_t offset;
-
+    int num_matched = 0;
+    int line_num = 0;
     int read;
+
+    file = get_file_s(path, "r");
+    if (file == NULL) return false;
+
     while((read = getline(&buf, &offset, file)) > 0) {
-        if (buf[read-1] == '\n') buf[read-1] = '\0';
         char* matched = buf;
+        
+        if (buf[read-1] == '\n') buf[read-1] = '\0';
         line_num++;
-         if (!match(&matched, pattern)) {
+        
+        if (!match(&matched, pattern)) {
             continue;
         }
+        
         num_matched++;
+        
         if (flags.only_line_count || flags.quiet) continue;
+        
         if ((many || flags.filename_prefix) && !flags.never_file_prefix) {
             print_file_path(path);
             putchar(':');
         }
+        
         if (flags.line_number) {
             printf("%d:", line_num);
         }
+        
         if (flags.only_matching_part) {
             printf("%s\n", matched);
         } else {
@@ -215,6 +225,11 @@ static bool run_match(char* path, void* pattern, bool many) {
 
 COMMAND(grep) {
 
+    int start, i;
+    char* pattern;
+    bool many, ok;
+    void* compiled;
+
     flags.only_matching_part = false;
     flags.only_non_matching_names = false;
     flags.only_matching_names = false;
@@ -226,19 +241,19 @@ COMMAND(grep) {
     flags.filename_prefix = false;
     flags.inverse = false;
 
-    int start = parse_args(argc, argv, help, short_arg, NULL);
+    start = parse_args(argc, argv, help, short_arg, NULL);
 
     if (argc - start < 1) global_help(help);
 
-    char* pattern = argv[start++];
+    pattern = argv[start++];
         
-    bool many = argc - start > 0;
-    bool ok = false;
+    many = argc - start > 0;
+    ok = false;
 
-    void* compiled = compile(pattern);
+    compiled = compile(pattern);
     if (run_match("-", compiled, many)) ok = true;
 
-    for (int i = start; i < argc; i++) {
+    for (i = start; i < argc; i++) {
         if (run_match(argv[i], compiled, many)) ok = true;
     }