* Copyright (c) 2000, 2001, 2002 Fabrice Bellard
* Copyright (c) 2007 Mans Rullgard
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdarg.h>
+#include <stdint.h>
#include <stdio.h>
#include <string.h>
-#include <ctype.h>
+
+#include "config.h"
+#include "common.h"
+#include "mem.h"
#include "avstring.h"
int av_strstart(const char *str, const char *pfx, const char **ptr)
int av_stristart(const char *str, const char *pfx, const char **ptr)
{
- while (*pfx && toupper((unsigned)*pfx) == toupper((unsigned)*str)) {
+ while (*pfx && av_toupper((unsigned)*pfx) == av_toupper((unsigned)*str)) {
pfx++;
str++;
}
return !*pfx;
}
+char *av_stristr(const char *s1, const char *s2)
+{
+ if (!*s2)
+ return s1;
+
+ do
+ if (av_stristart(s1, s2, NULL))
+ return s1;
+ while (*s1++);
+
+ return NULL;
+}
+
+char *av_strnstr(const char *haystack, const char *needle, size_t hay_length)
+{
+ size_t needle_len = strlen(needle);
+ if (!needle_len)
+ return haystack;
+ while (hay_length >= needle_len) {
+ hay_length--;
+ if (!memcmp(haystack, needle, needle_len))
+ return haystack;
+ haystack++;
+ }
+ return NULL;
+}
+
size_t av_strlcpy(char *dst, const char *src, size_t size)
{
size_t len = 0;
return len;
}
+
+char *av_d2str(double d)
+{
+ char *str = av_malloc(16);
+ if (str)
+ snprintf(str, 16, "%f", d);
+ return str;
+}
+
+#define WHITESPACES " \n\t"
+
+char *av_get_token(const char **buf, const char *term)
+{
+ char *out = av_malloc(strlen(*buf) + 1);
+ char *ret = out, *end = out;
+ const char *p = *buf;
+ if (!out)
+ return NULL;
+ p += strspn(p, WHITESPACES);
+
+ while (*p && !strspn(p, term)) {
+ char c = *p++;
+ if (c == '\\' && *p) {
+ *out++ = *p++;
+ end = out;
+ } else if (c == '\'') {
+ while (*p && *p != '\'')
+ *out++ = *p++;
+ if (*p) {
+ p++;
+ end = out;
+ }
+ } else {
+ *out++ = c;
+ }
+ }
+
+ do
+ *out-- = 0;
+ while (out >= end && strspn(out, WHITESPACES));
+
+ *buf = p;
+
+ return ret;
+}
+
+int av_strcasecmp(const char *a, const char *b)
+{
+ uint8_t c1, c2;
+ do {
+ c1 = av_tolower(*a++);
+ c2 = av_tolower(*b++);
+ } while (c1 && c1 == c2);
+ return c1 - c2;
+}
+
+int av_strncasecmp(const char *a, const char *b, size_t n)
+{
+ const char *end = a + n;
+ uint8_t c1, c2;
+ do {
+ c1 = av_tolower(*a++);
+ c2 = av_tolower(*b++);
+ } while (a < end && c1 && c1 == c2);
+ return c1 - c2;
+}
+
+const char *av_basename(const char *path)
+{
+ char *p = strrchr(path, '/');
+
+#if HAVE_DOS_PATHS
+ char *q = strrchr(path, '\\');
+ char *d = strchr(path, ':');
+
+ p = FFMAX3(p, q, d);
+#endif
+
+ if (!p)
+ return path;
+
+ return p + 1;
+}
+
+const char *av_dirname(char *path)
+{
+ char *p = strrchr(path, '/');
+
+#if HAVE_DOS_PATHS
+ char *q = strrchr(path, '\\');
+ char *d = strchr(path, ':');
+
+ d = d ? d + 1 : d;
+
+ p = FFMAX3(p, q, d);
+#endif
+
+ if (!p)
+ return ".";
+
+ *p = '\0';
+
+ return path;
+}
+
+int av_isdigit(int c)
+{
+ return c >= '0' && c <= '9';
+}
+
+int av_isgraph(int c)
+{
+ return c > 32 && c < 127;
+}
+
+int av_isspace(int c)
+{
+ return c == ' ' || c == '\f' || c == '\n' || c == '\r' || c == '\t' ||
+ c == '\v';
+}
+
+int av_isxdigit(int c)
+{
+ c = av_tolower(c);
+ return av_isdigit(c) || (c >= 'a' && c <= 'f');
+}
+
+#ifdef TEST
+
+int main(void)
+{
+ int i;
+ const char *strings[] = {
+ "''",
+ "",
+ ":",
+ "\\",
+ "'",
+ " '' :",
+ " '' '' :",
+ "foo '' :",
+ "'foo'",
+ "foo ",
+ " ' foo ' ",
+ "foo\\",
+ "foo': blah:blah",
+ "foo\\: blah:blah",
+ "foo\'",
+ "'foo : ' :blahblah",
+ "\\ :blah",
+ " foo",
+ " foo ",
+ " foo \\ ",
+ "foo ':blah",
+ " foo bar : blahblah",
+ "\\f\\o\\o",
+ "'foo : \\ \\ ' : blahblah",
+ "'\\fo\\o:': blahblah",
+ "\\'fo\\o\\:': foo ' :blahblah"
+ };
+
+ printf("Testing av_get_token()\n");
+ for (i = 0; i < FF_ARRAY_ELEMS(strings); i++) {
+ const char *p = strings[i];
+ char *q;
+ printf("|%s|", p);
+ q = av_get_token(&p, ":");
+ printf(" -> |%s|", q);
+ printf(" + |%s|\n", p);
+ av_free(q);
+ }
+
+ return 0;
+}
+
+#endif /* TEST */