From: Francois Fleuret <francois@fleuret.org>
Date: Mon, 28 Jan 2013 13:09:13 +0000 (+0100)
Subject: Fixed two memory leaks.
X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?p=mymail.git;a=commitdiff_plain;h=d763d790abe7d93b4572c38b261a4f480a8aa961

Fixed two memory leaks.
---

diff --git a/mymail.c b/mymail.c
index 6388365..99a76d8 100644
--- a/mymail.c
+++ b/mymail.c
@@ -89,7 +89,7 @@ void search_in_db(const char *search_name, const char *search_regexp_string,
                   FILE *db_file) {
   char raw_line[BUFFER_SIZE];
   char current_mail_filename[BUFFER_SIZE];
-  unsigned int current_position_in_mail;
+  unsigned long int current_position_in_mail;
   char *name, *value;
   regex_t regexp;
   int already_written;
@@ -111,20 +111,18 @@ void search_in_db(const char *search_name, const char *search_regexp_string,
     name = raw_line;
     value = segment_next_field(raw_line);
 
-    /* printf("LINE [%s] %s", name, value); */
-
     if(strcmp("mail", name) == 0) {
       char *position_in_file_string = value;
       char *mail_filename = segment_next_field(value);
-      current_position_in_mail = atoi(position_in_file_string);
+      current_position_in_mail = atol(position_in_file_string);
       strcpy(current_mail_filename, mail_filename);
       remove_eof(current_mail_filename);
-      /* printf("READING [%s]\n", current_mail_filename); */
       already_written = 0;
-    } else if(!already_written) {
-      if(strcmp(search_name, name) == 0 && regexec(&regexp, value, 0, 0, 0) == 0) {
+    }
+
+    else if(!already_written) {
+     if(strcmp(search_name, name) == 0 && regexec(&regexp, value, 0, 0, 0) == 0) {
         FILE *mail_file;
-        /* printf("%s:%u\n", current_mail_filename, current_position_in_mail); */
         mail_file = fopen(current_mail_filename, "r");
         if(!mail_file) {
           fprintf(stderr, "mymail: Can not open `%s'.\n", current_mail_filename);
@@ -143,6 +141,8 @@ void search_in_db(const char *search_name, const char *search_regexp_string,
       }
     }
   }
+
+  regfree(&regexp);
 }
 
 
@@ -154,7 +154,7 @@ void read_file(const char *input_filename,
   char raw_line[BUFFER_SIZE];
   FILE *file;
   int in_header, new_header;
-  unsigned int position_in_file;
+  unsigned long int position_in_file;
 
   file = fopen(input_filename, "r");
 
@@ -172,7 +172,7 @@ void read_file(const char *input_filename,
     if(strncmp(raw_line, "From ", 5) == 0) {
       if(in_header) {
         fprintf(stderr,
-                "Got a 'From ' in the header in %s:%u.\n",
+                "Got a 'From ' in the header in %s:%lu.\n",
                 input_filename, position_in_file);
         fprintf(stderr, "%s", raw_line);
         exit(EXIT_FAILURE);
@@ -193,7 +193,7 @@ void read_file(const char *input_filename,
       int f;
       regmatch_t matches;
       if(new_header) {
-        fprintf(db_file, "mail %u %s\n", position_in_file, input_filename);
+        fprintf(db_file, "mail %lu %s\n", position_in_file, input_filename);
         new_header = 0;
       }
       for(f = 0; f < nb_fields_to_parse; f++) {
@@ -213,8 +213,8 @@ void read_file(const char *input_filename,
 
 int ignore_entry(const char *name) {
   return
-    strcmp(name, ".") == 0 ||
-    strcmp(name, "..") == 0 ||
+    /* strcmp(name, ".") == 0 || */
+    /* strcmp(name, "..") == 0 || */
     (name[0] == '.' && name[1] != '/');
 }
 
@@ -232,12 +232,11 @@ void process_entry(const char *dir_name,
             dir_name,
             strerror(errno));
     exit(EXIT_FAILURE);
-  } else {
   }
 
-  if(S_ISLNK(sb.st_mode)) {
-    return;
-  }
+  /* if(S_ISLNK(sb.st_mode)) { */
+    /* return; */
+  /* } */
 
   dir = opendir(dir_name);
 
@@ -251,10 +250,9 @@ void process_entry(const char *dir_name,
     }
     closedir(dir);
   } else {
-    if(S_ISREG(sb.st_mode)) {
-      /* printf("Processing regular file '%s'.\n", dir_name); */
+    /* if(S_ISREG(sb.st_mode)) { */
       read_file(dir_name, nb_fields_to_parse, fields_to_parse, db_file);
-    }
+    /* } */
   }
 }
 
@@ -416,5 +414,7 @@ int main(int argc, char **argv) {
     }
   }
 
+  free(db_filename);
+
   exit(EXIT_SUCCESS);
 }