--- /dev/null
+/*
+ * gstr.c: String Utility Functions.
+ *
+ * Author:
+ * Miguel de Icaza (miguel@novell.com)
+ * Aaron Bockover (abockover@novell.com)
+ *
+ * (C) 2006 Novell, Inc.
+ *
+ * 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, sublicense, 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 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
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+#include <config.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <glib.h>
+
+#ifndef G_OS_WIN32
+#include <pthread.h>
+#endif
+
+#include <errno.h>
+
+/*
+ * g_strndup and g_vasprintf need to allocate memory with g_malloc if
+ * ENABLE_OVERRIDABLE_ALLOCATORS is defined so that it can be safely freed with g_free
+ * rather than free.
+ */
+
+/* This is not a macro, because I dont want to put _GNU_SOURCE in the glib.h header */
+gchar *
+g_strndup (const gchar *str, gsize n)
+{
+#if defined (HAVE_STRNDUP) && !defined (ENABLE_OVERRIDABLE_ALLOCATORS)
+ return strndup (str, n);
+#else
+ if (str) {
+ char *retval = g_malloc(n+1);
+ if (retval) {
+ strncpy(retval, str, n)[n] = 0;
+ }
+ return retval;
+ }
+ return NULL;
+#endif
+}
+
+gint g_vasprintf (gchar **ret, const gchar *fmt, va_list ap)
+{
+#if defined (HAVE_VASPRINTF) && !defined (ENABLE_OVERRIDABLE_ALLOCATORS)
+ return vasprintf (ret, fmt, ap);
+#else
+ char *buf;
+ int len;
+ size_t buflen;
+ va_list ap2;
+
+#if defined(_MSC_VER) || defined(__MINGW64_VERSION_MAJOR)
+ ap2 = ap;
+ len = _vscprintf(fmt, ap2); // NOTE MS specific extension ( :-( )
+#else
+ va_copy(ap2, ap);
+ len = vsnprintf(NULL, 0, fmt, ap2);
+#endif
+
+ if (len >= 0 && (buf = g_malloc ((buflen = (size_t) (len + 1)))) != NULL) {
+ len = vsnprintf(buf, buflen, fmt, ap);
+ *ret = buf;
+ } else {
+ *ret = NULL;
+ len = -1;
+ }
+
+ va_end(ap2);
+ return len;
+#endif
+}
+
+void
+g_strfreev (gchar **str_array)
+{
+ gchar **orig = str_array;
+ if (str_array == NULL)
+ return;
+ while (*str_array != NULL){
+ g_free (*str_array);
+ str_array++;
+ }
+ g_free (orig);
+}
+
+gchar **
+g_strdupv (gchar **str_array)
+{
+ guint length;
+ gchar **ret;
+ guint i;
+
+ if (!str_array)
+ return NULL;
+
+ length = g_strv_length(str_array);
+ ret = g_new0(gchar *, length + 1);
+ for (i = 0; str_array[i]; i++) {
+ ret[i] = g_strdup(str_array[i]);
+ }
+ ret[length] = NULL;
+ return ret;
+}
+
+guint
+g_strv_length(gchar **str_array)
+{
+ gint length = 0;
+ g_return_val_if_fail(str_array != NULL, 0);
+ for(length = 0; str_array[length] != NULL; length++);
+ return length;
+}
+
+gboolean
+g_str_has_suffix(const gchar *str, const gchar *suffix)
+{
+ size_t str_length;
+ size_t suffix_length;
+
+ g_return_val_if_fail(str != NULL, FALSE);
+ g_return_val_if_fail(suffix != NULL, FALSE);
+
+ str_length = strlen(str);
+ suffix_length = strlen(suffix);
+
+ return suffix_length <= str_length ?
+ strncmp(str + str_length - suffix_length, suffix, suffix_length) == 0 :
+ FALSE;
+}
+
+gboolean
+g_str_has_prefix(const gchar *str, const gchar *prefix)
+{
+ size_t str_length;
+ size_t prefix_length;
+
+ g_return_val_if_fail(str != NULL, FALSE);
+ g_return_val_if_fail(prefix != NULL, FALSE);
+
+ str_length = strlen(str);
+ prefix_length = strlen(prefix);
+
+ return prefix_length <= str_length ?
+ strncmp(str, prefix, prefix_length) == 0 :
+ FALSE;
+}
+
+gchar *
+g_strdup_vprintf (const gchar *format, va_list args)
+{
+ int n;
+ char *ret;
+
+ n = g_vasprintf (&ret, format, args);
+ if (n == -1)
+ return NULL;
+
+ return ret;
+}
+
+gchar *
+g_strdup_printf (const gchar *format, ...)
+{
+ gchar *ret;
+ va_list args;
+ int n;
+
+ va_start (args, format);
+ n = g_vasprintf (&ret, format, args);
+ va_end (args);
+ if (n == -1)
+ return NULL;
+
+ return ret;
+}
+
+
+/*
+Max error number we support. It's empirically found by looking at our target OS.
+
+Last this was checked was June-2017.
+
+Apple is at 106.
+Android is at 133.
+*/
+#define MONO_ERRNO_MAX 200
+#define str(s) #s
+
+#ifndef G_OS_WIN32
+static pthread_mutex_t strerror_lock = PTHREAD_MUTEX_INITIALIZER;
+#endif
+
+static char *error_messages [MONO_ERRNO_MAX];
+
+const gchar *
+g_strerror (gint errnum)
+{
+ if (errnum < 0)
+ errnum = -errnum;
+ if (errnum >= MONO_ERRNO_MAX)
+ return ("Error number higher than " str (MONO_ERRNO_MAX));
+
+ if (!error_messages [errnum]) {
+#ifndef G_OS_WIN32
+ pthread_mutex_lock (&strerror_lock);
+#endif
+
+#ifdef HAVE_STRERROR_R
+ char tmp_buff [128]; //Quite arbitrary, should be large enough
+ char *buff = tmp_buff;
+ int buff_len = sizeof (tmp_buff);
+ int r;
+ buff [0] = 0;
+
+ while ((r = strerror_r (errnum, buff, buff_len - 1))) {
+ if (r != ERANGE) {
+ buff = g_strdup_printf ("Invalid Error code '%d'", errnum);
+ break;
+ }
+ if (buff == tmp_buff)
+ buff = g_malloc (buff_len * 2);
+ else
+ buff = g_realloc (buff, buff_len * 2);
+ buff_len *= 2;
+ //Spec is not clean on whether size argument includes space for null terminator or not
+ }
+ if (!error_messages [errnum])
+ error_messages [errnum] = g_strdup (buff);
+ if (buff != tmp_buff)
+ g_free (buff);
+#else
+ if (!error_messages [errnum])
+ error_messages [errnum] = g_strdup_printf ("Error code '%d'", errnum);
+#endif
+
+
+#ifndef G_OS_WIN32
+ pthread_mutex_unlock (&strerror_lock);
+#endif
+
+ }
+ return error_messages [errnum];
+}
+
+gchar *
+g_strconcat (const gchar *first, ...)
+{
+ va_list args;
+ size_t total = 0;
+ char *s, *ret;
+ g_return_val_if_fail (first != NULL, NULL);
+
+ total += strlen (first);
+ va_start (args, first);
+ for (s = va_arg (args, char *); s != NULL; s = va_arg(args, char *)){
+ total += strlen (s);
+ }
+ va_end (args);
+
+ ret = g_malloc (total + 1);
+ if (ret == NULL)
+ return NULL;
+
+ ret [total] = 0;
+ strcpy (ret, first);
+ va_start (args, first);
+ for (s = va_arg (args, char *); s != NULL; s = va_arg(args, char *)){
+ strcat (ret, s);
+ }
+ va_end (args);
+
+ return ret;
+}
+
+static void
+add_to_vector (gchar ***vector, int size, gchar *token)
+{
+ *vector = *vector == NULL ?
+ (gchar **)g_malloc(2 * sizeof(*vector)) :
+ (gchar **)g_realloc(*vector, (size + 1) * sizeof(*vector));
+
+ (*vector)[size - 1] = token;
+}
+
+gchar **
+g_strsplit (const gchar *string, const gchar *delimiter, gint max_tokens)
+{
+ const gchar *c;
+ gchar *token, **vector;
+ gint size = 1;
+
+ g_return_val_if_fail (string != NULL, NULL);
+ g_return_val_if_fail (delimiter != NULL, NULL);
+ g_return_val_if_fail (delimiter[0] != 0, NULL);
+
+ if (strncmp (string, delimiter, strlen (delimiter)) == 0) {
+ vector = (gchar **)g_malloc (2 * sizeof(vector));
+ vector[0] = g_strdup ("");
+ size++;
+ string += strlen (delimiter);
+ } else {
+ vector = NULL;
+ }
+
+ while (*string && !(max_tokens > 0 && size >= max_tokens)) {
+ c = string;
+ if (strncmp (string, delimiter, strlen (delimiter)) == 0) {
+ token = g_strdup ("");
+ string += strlen (delimiter);
+ } else {
+ while (*string && strncmp (string, delimiter, strlen (delimiter)) != 0) {
+ string++;
+ }
+
+ if (*string) {
+ gsize toklen = (string - c);
+ token = g_strndup (c, toklen);
+
+ /* Need to leave a trailing empty
+ * token if the delimiter is the last
+ * part of the string
+ */
+ if (strcmp (string, delimiter) != 0) {
+ string += strlen (delimiter);
+ }
+ } else {
+ token = g_strdup (c);
+ }
+ }
+
+ add_to_vector (&vector, size, token);
+ size++;
+ }
+
+ if (*string) {
+ if (strcmp (string, delimiter) == 0)
+ add_to_vector (&vector, size, g_strdup (""));
+ else {
+ /* Add the rest of the string as the last element */
+ add_to_vector (&vector, size, g_strdup (string));
+ }
+ size++;
+ }
+
+ if (vector == NULL) {
+ vector = (gchar **) g_malloc (2 * sizeof (vector));
+ vector [0] = NULL;
+ } else if (size > 0) {
+ vector[size - 1] = NULL;
+ }
+
+ return vector;
+}
+
+static gboolean
+charcmp (gchar testchar, const gchar *compare)
+{
+ while(*compare) {
+ if (*compare == testchar) {
+ return TRUE;
+ }
+ compare++;
+ }
+
+ return FALSE;
+}
+
+gchar **
+g_strsplit_set (const gchar *string, const gchar *delimiter, gint max_tokens)
+{
+ const gchar *c;
+ gchar *token, **vector;
+ gint size = 1;
+
+ g_return_val_if_fail (string != NULL, NULL);
+ g_return_val_if_fail (delimiter != NULL, NULL);
+ g_return_val_if_fail (delimiter[0] != 0, NULL);
+
+ if (charcmp (*string, delimiter)) {
+ vector = (gchar **)g_malloc (2 * sizeof(vector));
+ vector[0] = g_strdup ("");
+ size++;
+ string++;
+ } else {
+ vector = NULL;
+ }
+
+ c = string;
+ while (*string && !(max_tokens > 0 && size >= max_tokens)) {
+ if (charcmp (*string, delimiter)) {
+ gsize toklen = (string - c);
+ if (toklen == 0) {
+ token = g_strdup ("");
+ } else {
+ token = g_strndup (c, toklen);
+ }
+
+ c = string + 1;
+
+ add_to_vector (&vector, size, token);
+ size++;
+ }
+
+ string++;
+ }
+
+ if (max_tokens > 0 && size >= max_tokens) {
+ if (*string) {
+ /* Add the rest of the string as the last element */
+ add_to_vector (&vector, size, g_strdup (string));
+ size++;
+ }
+ } else {
+ if (*c) {
+ /* Fill in the trailing last token */
+ add_to_vector (&vector, size, g_strdup (c));
+ size++;
+ } else {
+ /* Need to leave a trailing empty token if the
+ * delimiter is the last part of the string
+ */
+ add_to_vector (&vector, size, g_strdup (""));
+ size++;
+ }
+ }
+
+ if (vector == NULL) {
+ vector = (gchar **) g_malloc (2 * sizeof (vector));
+ vector [0] = NULL;
+ } else if (size > 0) {
+ vector[size - 1] = NULL;
+ }
+
+ return vector;
+}
+
+gchar *
+g_strreverse (gchar *str)
+{
+ size_t i, j;
+ gchar c;
+
+ if (str == NULL)
+ return NULL;
+
+ if (*str == 0)
+ return str;
+
+ for (i = 0, j = strlen (str) - 1; i < j; i++, j--) {
+ c = str [i];
+ str [i] = str [j];
+ str [j] = c;
+ }
+
+ return str;
+}
+
+gchar *
+g_strjoin (const gchar *separator, ...)
+{
+ va_list args;
+ char *res, *s, *r;
+ size_t len, slen;
+
+ if (separator != NULL)
+ slen = strlen (separator);
+ else
+ slen = 0;
+
+ len = 0;
+ va_start (args, separator);
+ for (s = va_arg (args, char *); s != NULL; s = va_arg (args, char *)){
+ len += strlen (s);
+ len += slen;
+ }
+ va_end (args);
+
+ if (len == 0)
+ return g_strdup ("");
+
+ /* Remove the last separator */
+ if (slen > 0 && len > 0)
+ len -= slen;
+
+ res = g_malloc (len + 1);
+ va_start (args, separator);
+ s = va_arg (args, char *);
+ r = g_stpcpy (res, s);
+ for (s = va_arg (args, char *); s != NULL; s = va_arg (args, char *)){
+ if (separator != NULL)
+ r = g_stpcpy (r, separator);
+ r = g_stpcpy (r, s);
+ }
+ va_end (args);
+
+ return res;
+}
+
+gchar *
+g_strjoinv (const gchar *separator, gchar **str_array)
+{
+ char *res, *r;
+ size_t slen, len, i;
+
+ if (separator != NULL)
+ slen = strlen (separator);
+ else
+ slen = 0;
+
+ len = 0;
+ for (i = 0; str_array [i] != NULL; i++){
+ len += strlen (str_array [i]);
+ len += slen;
+ }
+
+ if (len == 0)
+ return g_strdup ("");
+
+ if (slen > 0 && len > 0)
+ len -= slen;
+
+ res = g_malloc (len + 1);
+ r = g_stpcpy (res, str_array [0]);
+ for (i = 1; str_array [i] != NULL; i++){
+ if (separator != NULL)
+ r = g_stpcpy (r, separator);
+ r = g_stpcpy (r, str_array [i]);
+ }
+
+ return res;
+}
+
+gchar *
+g_strchug (gchar *str)
+{
+ size_t len;
+ gchar *tmp;
+
+ if (str == NULL)
+ return NULL;
+
+ tmp = str;
+ while (*tmp && isspace (*tmp)) tmp++;
+ if (str != tmp) {
+ len = strlen (str) - (tmp - str - 1);
+ memmove (str, tmp, len);
+ }
+ return str;
+}
+
+gchar *
+g_strchomp (gchar *str)
+{
+ gchar *tmp;
+
+ if (str == NULL)
+ return NULL;
+
+ tmp = str + strlen (str) - 1;
+ while (*tmp && isspace (*tmp)) tmp--;
+ *(tmp + 1) = '\0';
+ return str;
+}
+
+gint
+g_printf(gchar const *format, ...)
+{
+ va_list args;
+ gint ret;
+
+ va_start(args, format);
+ ret = vprintf(format, args);
+ va_end(args);
+
+ return ret;
+}
+
+gint
+g_fprintf(FILE *file, gchar const *format, ...)
+{
+ va_list args;
+ gint ret;
+
+ va_start(args, format);
+ ret = vfprintf(file, format, args);
+ va_end(args);
+
+ return ret;
+}
+
+gint
+g_sprintf(gchar *string, gchar const *format, ...)
+{
+ va_list args;
+ gint ret;
+
+ va_start(args, format);
+ ret = vsprintf(string, format, args);
+ va_end(args);
+
+ return ret;
+}
+
+gint
+g_snprintf(gchar *string, gulong n, gchar const *format, ...)
+{
+ va_list args;
+ gint ret;
+
+ va_start(args, format);
+ ret = vsnprintf(string, n, format, args);
+ va_end(args);
+
+ return ret;
+}
+
+static const char hx [] = { '0', '1', '2', '3', '4', '5', '6', '7',
+ '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
+
+static gboolean
+char_needs_encoding (char c)
+{
+ if (((unsigned char)c) >= 0x80)
+ return TRUE;
+
+ if ((c >= '@' && c <= 'Z') ||
+ (c >= 'a' && c <= 'z') ||
+ (c >= '&' && c < 0x3b) ||
+ (c == '!') || (c == '$') || (c == '_') || (c == '=') || (c == '~'))
+ return FALSE;
+ return TRUE;
+}
+
+gchar *
+g_filename_to_uri (const gchar *filename, const gchar *hostname, GError **error)
+{
+ size_t n;
+ char *ret, *rp;
+ const char *p;
+#ifdef G_OS_WIN32
+ const char *uriPrefix = "file:///";
+#else
+ const char *uriPrefix = "file://";
+#endif
+
+ g_return_val_if_fail (filename != NULL, NULL);
+
+ if (hostname != NULL)
+ g_warning ("%s", "eglib: g_filename_to_uri: hostname not handled");
+
+ if (!g_path_is_absolute (filename)){
+ if (error != NULL)
+ *error = g_error_new (NULL, 2, "Not an absolute filename");
+
+ return NULL;
+ }
+
+ n = strlen (uriPrefix) + 1;
+ for (p = filename; *p; p++){
+#ifdef G_OS_WIN32
+ if (*p == '\\') {
+ n++;
+ continue;
+ }
+#endif
+ if (char_needs_encoding (*p))
+ n += 3;
+ else
+ n++;
+ }
+ ret = g_malloc (n);
+ strcpy (ret, uriPrefix);
+ for (p = filename, rp = ret + strlen (ret); *p; p++){
+#ifdef G_OS_WIN32
+ if (*p == '\\') {
+ *rp++ = '/';
+ continue;
+ }
+#endif
+ if (char_needs_encoding (*p)){
+ *rp++ = '%';
+ *rp++ = hx [((unsigned char)(*p)) >> 4];
+ *rp++ = hx [((unsigned char)(*p)) & 0xf];
+ } else
+ *rp++ = *p;
+ }
+ *rp = 0;
+ return ret;
+}
+
+static int
+decode (char p)
+{
+ if (p >= '0' && p <= '9')
+ return p - '0';
+ if (p >= 'A' && p <= 'F')
+ return p - 'A';
+ if (p >= 'a' && p <= 'f')
+ return p - 'a';
+ g_assert_not_reached ();
+ return 0;
+}
+
+gchar *
+g_filename_from_uri (const gchar *uri, gchar **hostname, GError **error)
+{
+ const char *p;
+ char *r, *result;
+ int flen = 0;
+
+ g_return_val_if_fail (uri != NULL, NULL);
+
+ if (hostname != NULL)
+ g_warning ("%s", "eglib: g_filename_from_uri: hostname not handled");
+
+ if (strncmp (uri, "file:///", 8) != 0){
+ if (error != NULL)
+ *error = g_error_new (NULL, 2, "URI does not start with the file: scheme");
+ return NULL;
+ }
+
+ for (p = uri + 8; *p; p++){
+ if (*p == '%'){
+ if (p [1] && p [2] && isxdigit (p [1]) && isxdigit (p [2])){
+ p += 2;
+ } else {
+ if (error != NULL)
+ *error = g_error_new (NULL, 2, "URI contains an invalid escape sequence");
+ return NULL;
+ }
+ }
+ flen++;
+ }
+#ifndef G_OS_WIN32
+ flen++;
+#endif
+
+ result = g_malloc (flen + 1);
+ result [flen] = 0;
+
+#ifndef G_OS_WIN32
+ *result = '/';
+ r = result + 1;
+#else
+ r = result;
+#endif
+
+ for (p = uri + 8; *p; p++){
+ if (*p == '%'){
+ *r++ = (char)((decode (p [1]) << 4) | decode (p [2]));
+ p += 2;
+ } else
+ *r++ = *p;
+ flen++;
+ }
+ return result;
+}
+
+void
+g_strdown (gchar *string)
+{
+ g_return_if_fail (string != NULL);
+
+ while (*string){
+ *string = (gchar)tolower (*string);
+ string++;
+ }
+}
+
+gchar
+g_ascii_tolower (gchar c)
+{
+ return c >= 'A' && c <= 'Z' ? c + ('a' - 'A') : c;
+}
+
+gchar *
+g_ascii_strdown (const gchar *str, gssize len)
+{
+ char *ret;
+ int i;
+
+ g_return_val_if_fail (str != NULL, NULL);
+
+ if (len == -1)
+ len = strlen (str);
+
+ ret = g_malloc (len + 1);
+ for (i = 0; i < len; i++)
+ ret [i] = (guchar) g_ascii_tolower (str [i]);
+ ret [i] = 0;
+
+ return ret;
+}
+
+gchar
+g_ascii_toupper (gchar c)
+{
+ return c >= 'a' && c <= 'z' ? c + ('A' - 'a') : c;
+}
+
+gchar *
+g_ascii_strup (const gchar *str, gssize len)
+{
+ char *ret;
+ int i;
+
+ g_return_val_if_fail (str != NULL, NULL);
+
+ if (len == -1)
+ len = strlen (str);
+
+ ret = g_malloc (len + 1);
+ for (i = 0; i < len; i++)
+ ret [i] = (guchar) g_ascii_toupper (str [i]);
+ ret [i] = 0;
+
+ return ret;
+}
+
+gint
+g_ascii_strncasecmp (const gchar *s1, const gchar *s2, gsize n)
+{
+ gsize i;
+
+ g_return_val_if_fail (s1 != NULL, 0);
+ g_return_val_if_fail (s2 != NULL, 0);
+
+ for (i = 0; i < n; i++) {
+ gchar c1 = g_ascii_tolower (*s1++);
+ gchar c2 = g_ascii_tolower (*s2++);
+
+ if (c1 != c2)
+ return c1 - c2;
+ }
+
+ return 0;
+}
+
+gint
+g_ascii_strcasecmp (const gchar *s1, const gchar *s2)
+{
+ const char *sp1 = s1;
+ const char *sp2 = s2;
+
+ g_return_val_if_fail (s1 != NULL, 0);
+ g_return_val_if_fail (s2 != NULL, 0);
+
+ while (*sp1 != '\0') {
+ char c1 = g_ascii_tolower (*sp1++);
+ char c2 = g_ascii_tolower (*sp2++);
+
+ if (c1 != c2)
+ return c1 - c2;
+ }
+
+ return (*sp1) - (*sp2);
+}
+
+gchar *
+g_strdelimit (gchar *string, const gchar *delimiters, gchar new_delimiter)
+{
+ gchar *ptr;
+
+ g_return_val_if_fail (string != NULL, NULL);
+
+ if (delimiters == NULL)
+ delimiters = G_STR_DELIMITERS;
+
+ for (ptr = string; *ptr; ptr++) {
+ if (strchr (delimiters, *ptr))
+ *ptr = new_delimiter;
+ }
+
+ return string;
+}
+
+gsize
+g_strlcpy (gchar *dest, const gchar *src, gsize dest_size)
+{
+#ifdef HAVE_STRLCPY
+ return strlcpy (dest, src, dest_size);
+#else
+ gchar *d;
+ const gchar *s;
+ gchar c;
+ gsize len;
+
+ g_return_val_if_fail (src != NULL, 0);
+ g_return_val_if_fail (dest != NULL, 0);
+
+ len = dest_size;
+ if (len == 0)
+ return 0;
+
+ s = src;
+ d = dest;
+ while (--len) {
+ c = *s++;
+ *d++ = c;
+ if (c == '\0')
+ return (dest_size - len - 1);
+ }
+
+ /* len is 0 i we get here */
+ *d = '\0';
+ /* we need to return the length of src here */
+ while (*s++) ; /* instead of a plain strlen, we use 's' */
+ return s - src - 1;
+#endif
+}
+
+gchar *
+g_stpcpy (gchar *dest, const char *src)
+{
+ g_return_val_if_fail (dest != NULL, dest);
+ g_return_val_if_fail (src != NULL, dest);
+
+#if HAVE_STPCPY
+ return stpcpy (dest, src);
+#else
+ while (*src)
+ *dest++ = *src++;
+
+ *dest = '\0';
+
+ return dest;
+#endif
+}
+
+static const gchar escaped_dflt [256] = {
+ 1, 1, 1, 1, 1, 1, 1, 1, 'b', 't', 'n', 1, 'f', 'r', 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 0, 0, '"', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '\\', 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
+};
+
+gchar *
+g_strescape (const gchar *source, const gchar *exceptions)
+{
+ gchar escaped [256];
+ const gchar *ptr;
+ gchar c;
+ gchar op;
+ gchar *result;
+ gchar *res_ptr;
+
+ g_return_val_if_fail (source != NULL, NULL);
+
+ memcpy (escaped, escaped_dflt, 256);
+ if (exceptions != NULL) {
+ for (ptr = exceptions; *ptr; ptr++)
+ escaped [(int) *ptr] = 0;
+ }
+ result = g_malloc (strlen (source) * 4 + 1); /* Worst case: everything octal. */
+ res_ptr = result;
+ for (ptr = source; *ptr; ptr++) {
+ c = *ptr;
+ op = escaped [(int) c];
+ if (op == 0) {
+ *res_ptr++ = c;
+ } else {
+ *res_ptr++ = '\\';
+ if (op != 1) {
+ *res_ptr++ = op;
+ } else {
+ *res_ptr++ = '0' + ((c >> 6) & 3);
+ *res_ptr++ = '0' + ((c >> 3) & 7);
+ *res_ptr++ = '0' + (c & 7);
+ }
+ }
+ }
+ *res_ptr = '\0';
+ return result;
+}
+
+gint
+g_ascii_xdigit_value (gchar c)
+{
+ return ((isxdigit (c) == 0) ? -1 :
+ ((c >= '0' && c <= '9') ? (c - '0') :
+ ((c >= 'a' && c <= 'f') ? (c - 'a' + 10) :
+ (c - 'A' + 10))));
+}
+
+gchar *
+g_strnfill (gsize length, gchar fill_char)
+{
+ gchar *ret = g_new (gchar, length + 1);
+
+ memset (ret, fill_char, length);
+ ret [length] = 0;
+ return ret;
+}
projects / mono.git / blobdiff