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-rw-r--r--mesalib/src/gallium/auxiliary/util/u_string.h452
1 files changed, 232 insertions, 220 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_string.h b/mesalib/src/gallium/auxiliary/util/u_string.h
index 52e380698..ed15981f1 100644
--- a/mesalib/src/gallium/auxiliary/util/u_string.h
+++ b/mesalib/src/gallium/auxiliary/util/u_string.h
@@ -1,220 +1,232 @@
-/**************************************************************************
- *
- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
-/**
- * @file
- * Platform independent functions for string manipulation.
- *
- * @author Jose Fonseca <jrfonseca@tungstengraphics.com>
- */
-
-#ifndef U_STRING_H_
-#define U_STRING_H_
-
-#if !defined(WIN32) && !defined(XF86_LIBC_H)
-#include <stdio.h>
-#endif
-#include <stddef.h>
-#include <stdarg.h>
-
-#include "pipe/p_compiler.h"
-
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-
-#ifdef WIN32
-
-int util_vsnprintf(char *, size_t, const char *, va_list);
-int util_snprintf(char *str, size_t size, const char *format, ...);
-
-static INLINE void
-util_vsprintf(char *str, const char *format, va_list ap)
-{
- util_vsnprintf(str, (size_t)-1, format, ap);
-}
-
-static INLINE void
-util_sprintf(char *str, const char *format, ...)
-{
- va_list ap;
- va_start(ap, format);
- util_vsnprintf(str, (size_t)-1, format, ap);
- va_end(ap);
-}
-
-static INLINE char *
-util_strchr(const char *s, char c)
-{
- while(*s) {
- if(*s == c)
- return (char *)s;
- ++s;
- }
- return NULL;
-}
-
-static INLINE char*
-util_strncat(char *dst, const char *src, size_t n)
-{
- char *p = dst + strlen(dst);
- const char *q = src;
- size_t i;
-
- for (i = 0; i < n && *q != '\0'; ++i)
- *p++ = *q++;
- *p = '\0';
-
- return dst;
-}
-
-static INLINE int
-util_strcmp(const char *s1, const char *s2)
-{
- unsigned char u1, u2;
-
- while (1) {
- u1 = (unsigned char) *s1++;
- u2 = (unsigned char) *s2++;
- if (u1 != u2)
- return u1 - u2;
- if (u1 == '\0')
- return 0;
- }
- return 0;
-}
-
-static INLINE int
-util_strncmp(const char *s1, const char *s2, size_t n)
-{
- unsigned char u1, u2;
-
- while (n-- > 0) {
- u1 = (unsigned char) *s1++;
- u2 = (unsigned char) *s2++;
- if (u1 != u2)
- return u1 - u2;
- if (u1 == '\0')
- return 0;
- }
- return 0;
-}
-
-static INLINE char *
-util_strstr(const char *haystack, const char *needle)
-{
- const char *p = haystack;
- size_t len = strlen(needle);
-
- for (; (p = util_strchr(p, *needle)) != 0; p++) {
- if (util_strncmp(p, needle, len) == 0) {
- return (char *)p;
- }
- }
- return NULL;
-}
-
-static INLINE void *
-util_memmove(void *dest, const void *src, size_t n)
-{
- char *p = (char *)dest;
- const char *q = (const char *)src;
- if (dest < src) {
- while (n--)
- *p++ = *q++;
- }
- else
- {
- p += n;
- q += n;
- while (n--)
- *--p = *--q;
- }
- return dest;
-}
-
-
-#else
-
-#define util_vsnprintf vsnprintf
-#define util_snprintf snprintf
-#define util_vsprintf vsprintf
-#define util_sprintf sprintf
-#define util_strchr strchr
-#define util_strcmp strcmp
-#define util_strncmp strncmp
-#define util_strncat strncat
-#define util_strstr strstr
-#define util_memmove memmove
-
-#endif
-
-
-/**
- * Printable string buffer
- */
-struct util_strbuf
-{
- char *str;
- char *ptr;
- size_t left;
-};
-
-
-static INLINE void
-util_strbuf_init(struct util_strbuf *sbuf, char *str, size_t size)
-{
- sbuf->str = str;
- sbuf->str[0] = 0;
- sbuf->ptr = sbuf->str;
- sbuf->left = size;
-}
-
-
-static INLINE void
-util_strbuf_printf(struct util_strbuf *sbuf, const char *format, ...)
-{
- if(sbuf->left > 1) {
- size_t written;
- va_list ap;
- va_start(ap, format);
- written = util_vsnprintf(sbuf->ptr, sbuf->left, format, ap);
- va_end(ap);
- sbuf->ptr += written;
- sbuf->left -= written;
- }
-}
-
-
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* U_STRING_H_ */
+/**************************************************************************
+ *
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+/**
+ * @file
+ * Platform independent functions for string manipulation.
+ *
+ * @author Jose Fonseca <jrfonseca@tungstengraphics.com>
+ */
+
+#ifndef U_STRING_H_
+#define U_STRING_H_
+
+#if !defined(WIN32) && !defined(XF86_LIBC_H)
+#include <stdio.h>
+#endif
+#include <stddef.h>
+#include <stdarg.h>
+
+#include "pipe/p_compiler.h"
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef _GNU_SOURCE
+
+#define util_strchrnul strchrnul
+
+#else
+
+static INLINE char *
+util_strchrnul(const char *s, char c)
+{
+ for (; *s && *s != c; ++s);
+
+ return (char *)s;
+}
+
+#endif
+
+#ifdef WIN32
+
+int util_vsnprintf(char *, size_t, const char *, va_list);
+int util_snprintf(char *str, size_t size, const char *format, ...);
+
+static INLINE void
+util_vsprintf(char *str, const char *format, va_list ap)
+{
+ util_vsnprintf(str, (size_t)-1, format, ap);
+}
+
+static INLINE void
+util_sprintf(char *str, const char *format, ...)
+{
+ va_list ap;
+ va_start(ap, format);
+ util_vsnprintf(str, (size_t)-1, format, ap);
+ va_end(ap);
+}
+
+static INLINE char *
+util_strchr(const char *s, char c)
+{
+ char *p = util_strchrnul(s, c);
+
+ return *p ? p : NULL;
+}
+
+static INLINE char*
+util_strncat(char *dst, const char *src, size_t n)
+{
+ char *p = dst + strlen(dst);
+ const char *q = src;
+ size_t i;
+
+ for (i = 0; i < n && *q != '\0'; ++i)
+ *p++ = *q++;
+ *p = '\0';
+
+ return dst;
+}
+
+static INLINE int
+util_strcmp(const char *s1, const char *s2)
+{
+ unsigned char u1, u2;
+
+ while (1) {
+ u1 = (unsigned char) *s1++;
+ u2 = (unsigned char) *s2++;
+ if (u1 != u2)
+ return u1 - u2;
+ if (u1 == '\0')
+ return 0;
+ }
+ return 0;
+}
+
+static INLINE int
+util_strncmp(const char *s1, const char *s2, size_t n)
+{
+ unsigned char u1, u2;
+
+ while (n-- > 0) {
+ u1 = (unsigned char) *s1++;
+ u2 = (unsigned char) *s2++;
+ if (u1 != u2)
+ return u1 - u2;
+ if (u1 == '\0')
+ return 0;
+ }
+ return 0;
+}
+
+static INLINE char *
+util_strstr(const char *haystack, const char *needle)
+{
+ const char *p = haystack;
+ size_t len = strlen(needle);
+
+ for (; (p = util_strchr(p, *needle)) != 0; p++) {
+ if (util_strncmp(p, needle, len) == 0) {
+ return (char *)p;
+ }
+ }
+ return NULL;
+}
+
+static INLINE void *
+util_memmove(void *dest, const void *src, size_t n)
+{
+ char *p = (char *)dest;
+ const char *q = (const char *)src;
+ if (dest < src) {
+ while (n--)
+ *p++ = *q++;
+ }
+ else
+ {
+ p += n;
+ q += n;
+ while (n--)
+ *--p = *--q;
+ }
+ return dest;
+}
+
+
+#else
+
+#define util_vsnprintf vsnprintf
+#define util_snprintf snprintf
+#define util_vsprintf vsprintf
+#define util_sprintf sprintf
+#define util_strchr strchr
+#define util_strcmp strcmp
+#define util_strncmp strncmp
+#define util_strncat strncat
+#define util_strstr strstr
+#define util_memmove memmove
+
+#endif
+
+
+/**
+ * Printable string buffer
+ */
+struct util_strbuf
+{
+ char *str;
+ char *ptr;
+ size_t left;
+};
+
+
+static INLINE void
+util_strbuf_init(struct util_strbuf *sbuf, char *str, size_t size)
+{
+ sbuf->str = str;
+ sbuf->str[0] = 0;
+ sbuf->ptr = sbuf->str;
+ sbuf->left = size;
+}
+
+
+static INLINE void
+util_strbuf_printf(struct util_strbuf *sbuf, const char *format, ...)
+{
+ if(sbuf->left > 1) {
+ size_t written;
+ va_list ap;
+ va_start(ap, format);
+ written = util_vsnprintf(sbuf->ptr, sbuf->left, format, ap);
+ va_end(ap);
+ sbuf->ptr += written;
+ sbuf->left -= written;
+ }
+}
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* U_STRING_H_ */