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[Qemacs-devel] Changes to qemacs/cutils.c
From: |
Charlie Gordon |
Subject: |
[Qemacs-devel] Changes to qemacs/cutils.c |
Date: |
Fri, 13 May 2005 05:56:45 -0400 |
Index: qemacs/cutils.c
diff -u qemacs/cutils.c:1.3 qemacs/cutils.c:1.4
--- qemacs/cutils.c:1.3 Tue May 10 18:53:04 2005
+++ qemacs/cutils.c Fri May 13 09:56:44 2005
@@ -25,6 +25,12 @@
#include "cutils.h"
#if !defined(CONFIG_NOCUTILS)
+/* these functions are defined in ffmpeg/libavformat/cutils.c and
+ * conflict with this module because of extra functions referenced
+ * in the ffmpeg module. This module should not be linked with
+ * qemacs with ffmpeg support.
+ */
+
/**
* Return TRUE if val is a prefix of str. If it returns TRUE, ptr is
* set to the next character in 'str' after the prefix.
@@ -65,7 +71,7 @@
p = str;
q = val;
while (*q != '\0') {
- if (toupper(*(unsigned char *)p) != toupper(*(unsigned char *)q))
+ if (toupper(*(const unsigned char *)p) != toupper(*(const unsigned
char *)q))
return 0;
p++;
q++;
@@ -112,89 +118,4 @@
return buf;
}
-/* copy the n first char of a string and truncate it. */
-char *pstrncpy(char *buf, int buf_size, const char *s, int len)
-{
- char *q;
- int c;
-
- if (buf_size > 0) {
- q = buf;
- if (len >= buf_size)
- len = buf_size - 1;
- while (len > 0) {
- c = *s++;
- if (c == '\0')
- break;
- *q++ = c;
- len--;
- }
- *q = '\0';
- }
- return buf;
-}
-
#endif
-
-/**
- * Add a memory region to a dynamic string. In case of allocation
- * failure, the data is not added. The dynamic string is guaranted to
- * be 0 terminated, although it can be longer if it contains zeros.
- *
- * @return 0 if OK, -1 if allocation error.
- */
-int qmemcat(QString *q, const unsigned char *data1, int len1)
-{
- int new_len, len, alloc_size;
- unsigned char *data;
-
- data = q->data;
- len = q->len;
- new_len = len + len1;
- /* see if we got a new power of two */
- /* NOTE: we got this trick from the excellent 'links' browser */
- if ((len ^ new_len) >= len) {
- /* find immediately bigger 2^n - 1 */
- alloc_size = new_len;
- alloc_size |= (alloc_size >> 1);
- alloc_size |= (alloc_size >> 2);
- alloc_size |= (alloc_size >> 4);
- alloc_size |= (alloc_size >> 8);
- alloc_size |= (alloc_size >> 16);
- /* allocate one more byte for end of string marker */
- data = realloc(data, alloc_size + 1);
- if (!data)
- return -1;
- q->data = data;
- }
- memcpy(data + len, data1, len1);
- data[new_len] = '\0'; /* we force a trailing '\0' */
- q->len = new_len;
- return 0;
-}
-
-/*
- * add a string to a dynamic string
- */
-int qstrcat(QString *q, const char *str)
-{
- return qmemcat(q, str, strlen(str));
-}
-
-/* XXX: we use a fixed size buffer */
-int qprintf(QString *q, const char *fmt, ...)
-{
- char buf[4096];
- va_list ap;
- int len, ret;
-
- va_start(ap, fmt);
- len = vsnprintf(buf, sizeof(buf), fmt, ap);
- /* avoid problems for non C99 snprintf() which can return -1 if overflow */
- if (len < 0)
- len = strlen(buf);
- ret = qmemcat(q, buf, len);
- va_end(ap);
- return ret;
-}
-