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authorJohan Hedberg <johan.hedberg@nokia.com>2007-05-03 15:41:42 +0000
committerJohan Hedberg <johan.hedberg@nokia.com>2007-05-03 15:41:42 +0000
commit61548a46c286f2d3112cde38882ef4b0c6f0bed7 (patch)
tree4150c5b42e451cf2831e459f4eedcbbe22217fc5 /eglib/gmain.c
parentd370964fbe6a9e32837037dcf193a216a0a75077 (diff)
Implement eglib versions of needed GString functions
Diffstat (limited to 'eglib/gmain.c')
-rw-r--r--eglib/gmain.c109
1 files changed, 109 insertions, 0 deletions
diff --git a/eglib/gmain.c b/eglib/gmain.c
index 6bb13022..d2f002f8 100644
--- a/eglib/gmain.c
+++ b/eglib/gmain.c
@@ -1179,6 +1179,18 @@ gpointer g_try_malloc0(gulong n_bytes)
return mem;
}
+gpointer g_realloc(gpointer mem, gulong n_bytes)
+{
+ mem = realloc(mem, n_bytes);
+ if (!mem) {
+ fprintf(stderr, "g_realloc: failed to allocate %lu bytes",
+ n_bytes);
+ abort();
+ }
+
+ return mem;
+}
+
void g_free(gpointer mem)
{
if (mem)
@@ -1365,3 +1377,100 @@ gboolean g_key_file_get_boolean(GKeyFile *key_file,
return ret;
}
+/* GString */
+
+#define MY_MAXSIZE ((gsize)-1)
+
+static gsize nearest_power(gsize base, gsize num)
+{
+ gsize n = base;
+
+ if (num > MY_MAXSIZE / 2)
+ return MY_MAXSIZE;
+
+ while (n < num)
+ n <<= 1;
+
+ return n;
+}
+
+static void g_string_maybe_expand(GString *string, gsize len)
+{
+ if (string->len + len < string->allocated_len)
+ return;
+
+ string->allocated_len = nearest_power(1, string->len + len + 1);
+ string->str = g_realloc(string->str, string->allocated_len);
+}
+
+static GString *g_string_sized_new(gsize dfl_size)
+{
+ GString *string;
+
+ string = g_new0(GString, 1);
+
+ g_string_maybe_expand(string, dfl_size);
+ string->str[0] = '\0';
+
+ return string;
+}
+
+static GString *g_string_append_len(GString *string, const gchar *val, gssize len)
+{
+ g_string_maybe_expand(string, len);
+
+ if (len == 1)
+ string->str[string->len] = *val;
+ else
+ memcpy(string->str + string->len, val, len);
+
+ string->len += len;
+ string->str[string->len] = '\0';
+
+ return string;
+}
+
+GString *g_string_new(const gchar *init)
+{
+ GString *string;
+ gint len;
+
+ if (init == NULL || *init == '\0')
+ return g_string_sized_new(2);
+
+ len = strlen(init);
+ string = g_string_sized_new(len + 2);
+
+ g_string_append_len(string, init, len);
+
+ return string;
+}
+
+void g_string_append_printf(GString *string, const gchar *format, ...)
+{
+ gchar buffer[1024];
+ gint length;
+ va_list args;
+
+ va_start(args, format);
+ length = vsnprintf(buffer, sizeof(buffer) - 1, format, args);
+ va_end(args);
+
+ g_string_append_len(string, buffer, length);
+}
+
+gchar *g_string_free(GString *string, gboolean free_segment)
+{
+ gchar *segment;
+
+ if (free_segment) {
+ g_free(string->str);
+ segment = NULL;
+ }
+ else
+ segment = string->str;
+
+ g_free(string);
+
+ return segment;
+}