X-Git-Url: https://git.xonotic.org/?p=xonotic%2Fgmqcc.git;a=blobdiff_plain;f=util.c;h=e1db03ff522b51b821502ea9084a5a32a470cb7c;hp=3275ad82520367f00a2106af828baefb6b2d78fd;hb=5dd8e23dfdcb7056c34f016a4774773405dc9001;hpb=4a1f67bb973d3e4ae8726eed7d1f7df51e4b05b3

diff --git a/util.c b/util.c
index 3275ad8..e1db03f 100644
--- a/util.c
+++ b/util.c
@@ -33,15 +33,24 @@ struct memblock_t {
     const char  *file;
     unsigned int line;
     unsigned int byte;
+    struct memblock_t *next;
+    struct memblock_t *prev;
 };
 
+static struct memblock_t *mem_start = NULL;
+
 void *util_memory_a(unsigned int byte, unsigned int line, const char *file) {
     struct memblock_t *info = malloc(sizeof(struct memblock_t) + byte);
-    void              *data =(void*)((uintptr_t)info+sizeof(struct memblock_t));
+    void              *data =(void*)((unsigned char*)info+sizeof(struct memblock_t));
     if (!data) return NULL;
     info->line = line;
     info->byte = byte;
     info->file = file;
+    info->prev = NULL;
+    info->next = mem_start;
+    if (mem_start)
+        mem_start->prev = info;
+    mem_start = info;
 
     util_debug("MEM", "allocation: % 8u (bytes) address 0x%08X @ %s:%u\n", byte, data, file, line);
     mem_at++;
@@ -53,21 +62,38 @@ void *util_memory_a(unsigned int byte, unsigned int line, const char *file) {
 void util_memory_d(void *ptrn, unsigned int line, const char *file) {
     void              *data = NULL;
     struct memblock_t *info = NULL;
+
     if (!ptrn) return;
-    data = (void*)((uintptr_t)ptrn-sizeof(struct memblock_t));
+    data = (void*)((unsigned char *)ptrn-sizeof(struct memblock_t));
     info = (struct memblock_t*)data;
 
-    util_debug("MEM", "released:   % 8u (bytes) address 0x%08X @ %s:%u\n", info->byte, data, file, line);
+    util_debug("MEM", "released:   % 8u (bytes) address 0x%08X @ %s:%u\n", info->byte, ptrn, file, line);
     mem_db += info->byte;
     mem_dt++;
 
+    if (info->prev)
+        info->prev->next = info->next;
+    if (info->next)
+        info->next->prev = info->prev;
+    if (info == mem_start)
+        mem_start = info->next;
+
     free(data);
 }
 
 void util_meminfo() {
+    struct memblock_t *info;
+
     if (!opts_memchk)
         return;
 
+    for (info = mem_start; info; info = info->next) {
+        util_debug("MEM", "lost:       % 8u (bytes) at %s:%u\n",
+            info->byte,
+            info->file,
+            info->line);
+    }
+
     util_debug("MEM", "Memory information:\n\
         Total allocations:   %llu\n\
         Total deallocations: %llu\n\
@@ -172,6 +198,9 @@ void util_debug(const char *area, const char *ms, ...) {
     if (!opts_debug)
         return;
 
+    if (!strcmp(area, "MEM") && !opts_memchk)
+        return;
+
     va_start(va, ms);
     fprintf (stdout, "DEBUG: ");
     fputc   ('[',  stdout);
@@ -305,13 +334,14 @@ static const uint16_t util_crc16_table[] = {
 /*
  * Implements a CRC function for X worth bits using (uint[X]_t)
  * as type. and util_crc[X]_table.
+ * Streamable QCC compatible CRC functions.
  */
 #define CRC(X) \
-uint##X##_t util_crc##X(const char *k, int len, const short clamp) {  \
-    register uint##X##_t h= (uint##X##_t)0xFFFFFFFF;                  \
+uint##X##_t util_crc##X(uint##X##_t current, const char *k, size_t len) {  \
+    register uint##X##_t h= current;                                  \
     for (; len; --len, ++k)                                           \
-        h = util_crc##X##_table[(h^((unsigned char)*k))&0xFF]^(h>>8); \
-    return (~h)%clamp;                                                \
+        h = util_crc##X##_table[(h>>8)^((unsigned char)*k)]^(h<<8);   \
+    return h;                                                         \
 }
 CRC(32)
 CRC(16)
@@ -329,7 +359,7 @@ int util_getline(char **lineptr, size_t *n, FILE *stream) {
     if (!lineptr || !n || !stream)
         return -1;
     if (!*lineptr) {
-        if (!(*lineptr = mem_a((*n=64))))
+        if (!(*lineptr = (char*)mem_a((*n=64))))
             return -1;
     }
 
@@ -340,12 +370,12 @@ int util_getline(char **lineptr, size_t *n, FILE *stream) {
         int c = getc(stream);
 
         if (chr < 2) {
-            char *tmp = mem_a((*n+=(*n>16)?*n:64));
+            char *tmp = (char*)mem_a((*n+=(*n>16)?*n:64));
             if  (!tmp)
                 return -1;
 
+            memcpy(tmp, *lineptr, pos - *lineptr);
             chr = *n + *lineptr - pos;
-            strcpy(tmp,*lineptr);
             if (!(*lineptr = tmp)) {
                 mem_d (tmp);
                 return -1;
@@ -371,10 +401,43 @@ int util_getline(char **lineptr, size_t *n, FILE *stream) {
     return (ret = pos - *lineptr);
 }
 
-/* TODO: opts.c? when it gets large enugh */
-/* global options */
-bool opts_debug                     = false;
-bool opts_memchk                    = false;
-bool opts_darkplaces_stringtablebug = false;
-bool opts_omit_nullcode             = false;
-int  opts_compiler                  = COMPILER_GMQCC;
+size_t util_strtocmd(const char *in, char *out, size_t outsz) {
+    size_t sz = 1;
+    for (; *in && sz < outsz; ++in, ++out, ++sz) {
+        if (*in == '-')
+            *out = '_';
+        else if (isalpha(*in) && !isupper(*in))
+            *out = *in + 'A' - 'a';
+        else
+            *out = *in;
+    }
+    *out = 0;
+    return sz-1;
+}
+
+size_t util_strtononcmd(const char *in, char *out, size_t outsz) {
+    size_t sz = 1;
+    for (; *in && sz < outsz; ++in, ++out, ++sz) {
+        if (*in == '_')
+            *out = '-';
+        else if (isalpha(*in) && isupper(*in))
+            *out = *in + 'a' - 'A';
+        else
+            *out = *in;
+    }
+    *out = 0;
+    return sz-1;
+}
+
+FILE *util_fopen(const char *filename, const char *mode)
+{
+#ifdef WIN32
+    FILE *out;
+    if (fopen_s(&out, filename, mode) != 0)
+        return NULL;
+    return out;
+#else
+    return fopen(filename, mode);
+#endif
+}
+