what you give them. Help stamp out software-hoarding!
-------------------------------------------------------------------------*/
-#include "common.h"
+#ifdef _WIN32
+#include <ctype.h>
+#include <windows.h>
+#endif
+#include <sys/stat.h>
+#include "dbuf.h"
+#include "SDCCglobl.h"
#include "SDCCmacro.h"
#include "SDCCutil.h"
#include "newalloc.h"
-#include <sys/stat.h>
/** Given an array of name, value string pairs creates a new hash
containing all of the pairs.
return pret;
}
-/** Given an array of string pointers and another string, adds the
- string to the end of the list. The end of the list is assumed to
- be the first NULL pointer.
+/** Prints elements of the set to the file, each element on new line
*/
void
-addToList (const char **list, const char *str)
-{
- /* This is the bad way to do things :) */
- while (*list)
- list++;
- *list = Safe_strdup (str);
- if (!*list)
- {
- werror (E_OUT_OF_MEM, __FILE__, 0);
- exit (1);
- }
- *(++list) = NULL;
-}
-
-/** Given an array of string pointers returns a string containing all
- of the strings seperated by spaces. The returned string is on the
- heap. The join stops when a NULL pointer is hit.
-*/
-char *
-join(const char **pplist)
+fputStrSet(FILE *fp, set *list)
{
- char *pinto = buffer;
- *pinto = '\0';
+ const char *s;
- while (*pplist)
- {
- strcpy(pinto, *pplist);
- pinto += strlen(*pplist);
- *pinto++ = ' ';
- pplist++;
- }
-
- return buffer;
+ for (s = setFirstItem(list); s != NULL; s = setNextItem(list)) {
+ fputs(s, fp);
+ fputc('\n', fp);
+ }
}
-/** Given an array of string pointers, returns a string containing all
- of the strings seperated by spaces. The returned string is on the
- heap. n is the number of strings in the list.
+/** Prepend / append given strings to each item of string set. The result is in a
+ new string set.
*/
-char *
-joinn(char **pplist, int n)
+set *
+appendStrSet(set *list, const char *pre, const char *post)
{
- char *pinto = buffer;
- *pinto = '\0';
-
- while (n--)
- {
- strcpy(pinto, *pplist);
- pinto += strlen(*pplist);
- *pinto++ = ' ';
- pplist++;
- }
- *pinto = '\0';
-
- return buffer;
+ set *new_list = NULL;
+ const char *item;
+ struct dbuf_s dbuf;
+
+ for (item = setFirstItem(list); item != NULL; item = setNextItem(list)) {
+ dbuf_init(&dbuf, PATH_MAX);
+ if (pre != NULL)
+ dbuf_append(&dbuf, pre, strlen(pre));
+ dbuf_append(&dbuf, item, strlen(item));
+ if (post != NULL)
+ dbuf_append(&dbuf, post, strlen(post));
+ addSet(&new_list, (void *)dbuf_c_str(&dbuf));
+ dbuf_detach(&dbuf);
+ }
+
+ return new_list;
}
-/** Returns TRUE if for the host the two path characters are
- equivalent.
+/** Given a set returns a string containing all of the strings seperated
+ by spaces. The returned string is on the heap.
*/
-static bool
-pathCharsEquivalent(char c1, char c2)
+const char *
+joinStrSet(set *list)
{
-#if NATIVE_WIN32
- /* win32 is case insensitive */
- if (tolower(c1) == tolower(c2))
- {
- return TRUE;
- }
- /* And / is equivalent to \ */
- else if (c1 == '/' && c2 == '\\')
- {
- return TRUE;
- }
- else if (c1 == '\\' && c2 == '/')
- {
- return TRUE;
- }
- else
- {
- return FALSE;
- }
-#else
- /* Assume a Unix host where they must match exactly. */
- return c1 == c2;
-#endif
-}
-
-static bool
-pathEquivalent(const char *p1, const char *p2)
-{
- while (*p1 != '\0' && *p2 != '\0')
- {
- if (pathCharsEquivalent (*p1, *p2) == FALSE)
- {
- break;
- }
- p1++;
- p2++;
- }
-
- return *p1 == *p2;
-}
-
-static char
-pathCharTransform(char c)
-{
-#if NATIVE_WIN32
- if (c == '/')
- {
- return DIR_SEPARATOR_CHAR;
- }
- else
- {
- return c;
- }
-#else
- return c;
-#endif
-}
+ const char *s;
+ struct dbuf_s dbuf;
-/** Fixes up a potentially mixed path to the proper representation for
- the host. Fixes up in place.
-*/
-static char *
-fixupPath(char *pin)
-{
- char *p = pin;
+ dbuf_init(&dbuf, PATH_MAX);
- while (*p)
+ for (s = setFirstItem(list); s != NULL; s = setNextItem(list))
{
- *p = pathCharTransform(*p);
- p++;
+ dbuf_append(&dbuf, s, strlen(s));
+ dbuf_append(&dbuf, " ", 1);
}
- *p = '\0';
- return pin;
+ s = dbuf_c_str(&dbuf);
+ dbuf_detach(&dbuf);
+ return s;
}
-/** Returns the characters in p2 past the last matching characters in
- p1.
+/** Given a file with path information in the binary files directory,
+ returns the directory component. Used for discovery of bin
+ directory of SDCC installation. Returns NULL if the path is
+ impossible.
*/
+#ifdef _WIN32
char *
-getPathDifference (char *pinto, const char *p1, const char *p2)
+getBinPath(const char *prel)
{
- char *p = pinto;
-
-#if NATIVE_WIN32
- /* win32 can have a path at the start. */
- if (strchr(p2, ':'))
- {
- p2 = strchr(p2, ':')+1;
- }
-#endif
-
- while (*p1 != '\0' && *p2 != '\0')
- {
- if (pathCharsEquivalent(*p1, *p2) == FALSE)
- {
- break;
- }
- p1++;
- p2++;
- }
- while (*p2)
- {
- *p++ = *p2++;
- }
- *p = '\0';
-
- return fixupPath(pinto);
+ char *p;
+ size_t len;
+ static char path[PATH_MAX];
+
+ /* try DOS and *nix dir separator on WIN32 */
+ if (NULL != (p = strrchr(prel, DIR_SEPARATOR_CHAR)) ||
+ NULL != (p = strrchr(prel, UNIX_DIR_SEPARATOR_CHAR))) {
+ len = min((sizeof path) - 1, p - prel);
+ strncpy(path, prel, len);
+ path[len] = '\0';
+ return path;
+ }
+ /* not enough info in prel; do it with module name */
+ else if (0 != GetModuleFileName(NULL, path, sizeof path) != 0 &&
+ NULL != (p = strrchr(path, DIR_SEPARATOR_CHAR))) {
+ *p = '\0';
+ return path;
+ }
+ else
+ return NULL;
}
-
-/** Given a file with path information in the binary files directory,
- returns what PREFIX must be to get this path. Used for discovery
- of where SDCC is installed. Returns NULL if the path is
- impossible.
-*/
+#else
char *
-getPrefixFromBinPath (const char *prel)
+getBinPath(const char *prel)
{
- strcpy(scratchFileName, prel);
- /* Strip off the /sdcc at the end */
- *strrchr(scratchFileName, DIR_SEPARATOR_CHAR) = '\0';
- /* Compute what the difference between the prefix and the bin dir
- should be. */
- getPathDifference (buffer, PREFIX, BINDIR);
-
- /* Verify that the path in has the expected suffix */
- if (strlen(buffer) > strlen(scratchFileName))
- {
- /* Not long enough */
- return NULL;
- }
-
- if (pathEquivalent (buffer, scratchFileName + strlen(scratchFileName) - strlen(buffer)) == FALSE)
- {
- /* Doesn't match */
- return NULL;
- }
-
- scratchFileName[strlen(scratchFileName) - strlen(buffer)] = '\0';
-
- return Safe_strdup (scratchFileName);
+ char *p;
+ size_t len;
+ static char path[PATH_MAX];
+
+ if ((p = strrchr(prel, DIR_SEPARATOR_CHAR)) == NULL)
+ return NULL;
+
+ len = min((sizeof path) - 1, p - prel);
+ strncpy(path, prel, len);
+ path[len] = '\0';
+
+ return path;
}
+#endif
/** Returns true if the given path exists.
*/
void
setMainValue (const char *pname, const char *pvalue)
{
+ assert(pname);
+
shash_add (&_mainValues, pname, pvalue);
}
void
-buildCmdLine2 (char *pbuffer, const char *pcmd)
+buildCmdLine2 (char *pbuffer, size_t len, const char *pcmd, ...)
{
- char *poutcmd = msprintf(_mainValues, pcmd);
- strcpy(pbuffer, poutcmd);
+ va_list ap;
+ char *poutcmd;
+
+ assert(pbuffer && pcmd);
+ assert(_mainValues);
+
+ va_start(ap, pcmd);
+
+ poutcmd = mvsprintf(_mainValues, pcmd, ap);
+
+ va_end(ap);
+
+ strncpyz(pbuffer, poutcmd, len);
+ Safe_free(poutcmd);
}
void
*nl = '\0';
}
+hTab *
+getRuntimeVariables(void)
+{
+ return _mainValues;
+}
+
+
+/* strncpy() with guaranteed NULL termination. */
+char *strncpyz(char *dest, const char *src, size_t n)
+{
+ assert(n > 0);
+
+ --n;
+ /* paranoia... */
+ if (strlen(src) > n)
+ {
+ fprintf(stderr, "strncpyz prevented buffer overrun!\n");
+ }
+
+ strncpy(dest, src, n);
+ dest[n] = 0;
+ return dest;
+}
+
+/* like strncat() with guaranteed NULL termination
+ * The passed size should be the size of the dest buffer, not the number of
+ * bytes to copy.
+ */
+char *strncatz(char *dest, const char *src, size_t n)
+{
+ size_t maxToCopy;
+ size_t destLen = strlen(dest);
+
+ assert(n > 0);
+ assert(n > destLen);
+
+ maxToCopy = n - destLen - 1;
+
+ /* paranoia... */
+ if (strlen(src) + destLen >= n)
+ {
+ fprintf(stderr, "strncatz prevented buffer overrun!\n");
+ }
+
+ strncat(dest, src, maxToCopy);
+ dest[n - 1] = 0;
+ return dest;
+}
+
+
+#if defined(HAVE_VSNPRINTF) || defined(HAVE_VSPRINTF)
+size_t SDCCsnprintf(char *dst, size_t n, const char *fmt, ...)
+{
+ va_list args;
+ int len;
+
+ va_start(args, fmt);
+
+# if defined(HAVE_VSNPRINTF)
+ len = vsnprintf(dst, n, fmt, args);
+# else
+ vsprintf(dst, fmt, args);
+ len = strlen(dst) + 1;
+# endif
+
+ va_end(args);
+
+ /* on some gnu systems, vsnprintf returns -1 if output is truncated.
+ * In the C99 spec, vsnprintf returns the number of characters that
+ * would have been written, were space available.
+ */
+ if ((len < 0) || (size_t) len >= n) {
+ fprintf(stderr, "internal error: sprintf truncated.\n");
+ }
+
+ return len;
+}
+
+#endif