Random cleanups

libretro-common/compat/compat.c

@@ -77,7 +77,8 @@ static int parse_short(const char *optstring, char * const *argv)
 {
    bool extra_opt, takes_arg, embedded_arg;
    const char *opt = NULL;
-   char arg = argv[0][1];
+   char        arg = argv[0][1];
+
    if (arg == ':')
       return '?';
 
@@ -161,8 +162,9 @@ static int parse_long(const struct option *longopts, char * const *argv)
 
 static void shuffle_block(char **begin, char **last, char **end)
 {
-   ptrdiff_t len = last - begin;
+   ptrdiff_t    len = last - begin;
    const char **tmp = (const char**)calloc(len, sizeof(const char*));
+
    rarch_assert(tmp);
 
    memcpy(tmp, begin, len * sizeof(const char*));
@@ -176,6 +178,7 @@ int getopt_long(int argc, char *argv[],
       const char *optstring, const struct option *longopts, int *longindex)
 {
    int short_index, long_index;
+
    (void)longindex;
 
    if (optind == 0)
@@ -222,6 +225,7 @@ int getopt_long(int argc, char *argv[],
 static int casencmp(const char *a, const char *b, size_t n)
 {
    size_t i;
+
    for (i = 0; i < n; i++)
    {
       int a_lower = tolower(a[i]);
@@ -275,6 +279,7 @@ size_t strlcpy(char *dest, const char *source, size_t size)
 size_t strlcat(char *dest, const char *source, size_t size)
 {
    size_t len = strlen(dest);
+
    dest += len;
 
    if (len > size)
@@ -306,6 +311,7 @@ int rarch_strcasecmp__(const char *a, const char *b)
    {
       int a_ = tolower(*a);
       int b_ = tolower(*b);
+
       if (a_ != b_)
          return a_ - b_;
 
@@ -319,7 +325,7 @@ int rarch_strcasecmp__(const char *a, const char *b)
 char *rarch_strdup__(const char *orig)
 {
    size_t len = strlen(orig) + 1;
-   char *ret = (char*)malloc(len);
+   char *ret  = (char*)malloc(len);
    if (!ret)
       return NULL;
 

libretro-common/hash/rhash.c

@@ -501,7 +501,7 @@ static void SHA1Input(SHA1Context *context,
 
 int sha1_calculate(const char *path, char *result)
 {
-   unsigned char buff[4096];
+   unsigned char buff[4096] = {0};
    SHA1Context sha;
    int rv = 1;
    int fd = open(path, O_RDONLY);

libretro-common/net/net_http.c

@@ -58,19 +58,19 @@ struct http_connection_t
    char *domain;
    char *location;
    char *urlcopy;
-   char* scan;
+   char *scan;
    int port;
 };
 
 
-static int net_http_new_socket(const char * domain, int port)
+static int net_http_new_socket(const char *domain, int port)
 {
-   char portstr[16];
    int fd;
 #ifndef _WIN32
    struct timeval timeout;
 #endif
    struct addrinfo hints, *addr = NULL;
+   char portstr[16] = {0};
 
    snprintf(portstr, sizeof(portstr), "%i", port);
 
@@ -276,7 +276,7 @@ struct http_t *net_http_new(struct http_connection_t *conn)
 
    if (conn->port != 80)
    {
-      char portstr[16];
+      char portstr[16] = {0};
 
       snprintf(portstr, sizeof(portstr), ":%i", conn->port);
       net_http_send_str(fd, &error, portstr);

libretro-common/string/stdstring.c

@@ -46,10 +46,10 @@ char *string_to_upper(char *s)
 
 char *string_replace_substring(const char *in, const char *pattern, const char *replacement)
 {
-   char *needle = NULL;
-   char *newstr = NULL;
-   char *head   = NULL;
-   size_t pattern_len = 0;
+   char *needle           = NULL;
+   char *newstr           = NULL;
+   char *head             = NULL;
+   size_t pattern_len     = 0;
    size_t replacement_len = 0;
 
    /* if either pattern or replacement is NULL,
@@ -57,18 +57,19 @@ char *string_replace_substring(const char *in, const char *pattern, const char *
    if (!pattern || !replacement)
       return strdup(in);
 
-   pattern_len = strlen(pattern);
+   pattern_len     = strlen(pattern);
    replacement_len = strlen(replacement);
 
-   newstr = strdup(in);
-   head   = newstr;
+   newstr          = strdup(in);
+   head            = newstr;
 
    while ((needle = strstr(head, pattern)))
    {
-      char* oldstr = newstr;
+      char      *oldstr = newstr;
       size_t oldstr_len = strlen(oldstr);
 
       newstr = (char*)malloc(oldstr_len - pattern_len + replacement_len + 1);
+
       if (!newstr)
       {
          /* Failed to allocate memory,

libretro-common/string/string_list.c

@@ -108,7 +108,8 @@ struct string_list *string_list_new(void)
 bool string_list_append(struct string_list *list, const char *elem,
       union string_list_elem_attr attr)
 {
-   char *data_dup;
+   char *data_dup = NULL;
+
    if (list->size >= list->cap &&
          !string_list_capacity(list, list->cap * 2))
       return false;
@@ -250,7 +251,7 @@ bool string_list_find_elem_prefix(const struct string_list *list,
       const char *prefix, const char *elem)
 {
    size_t i;
-   char prefixed[PATH_MAX_LENGTH];
+   char prefixed[PATH_MAX_LENGTH] = {0};
 
    if (!list)
       return false;