[project @ 2002-04-22 09:24:35 by bursa]

Initial revision

svn path=/import/netsurf/; revision=2

1 files changed, 75 insertions, 0 deletions

diff --git a/utils/utils.c b/utils/utils.c
new file mode 100644
index 000000000..a5df77f7b
--- /dev/null
+++ b/utils/utils.c
@@ -0,0 +1,75 @@
+/**
+ * $Id: utils.c,v 1.1.1.1 2002/04/22 09:24:34 bursa Exp $
+ */
+
+#include <ctype.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include "utils.h"
+
+void die(const char * const error)
+{
+	fprintf(stderr, "Fatal: %s\n", error);
+	exit(EXIT_FAILURE);
+}
+
+char * strip(char * const s)
+{
+	size_t i;
+	for (i = strlen(s); i != 0 && isspace(s[i-1]); i--)
+		;
+	s[i] = 0;
+	return s + strspn(s, " \t\r\n");
+}
+
+int whitespace(const char * str)
+{
+	unsigned int i;
+	for (i = 0; i < strlen(str); i++)
+		if (!isspace(str[i]))
+			return 0;
+	return 1;
+}
+
+void * xcalloc(const size_t n, const size_t size)
+{
+	void * p = calloc(n, size);
+	if (p == 0) die("Out of memory in xcalloc()");
+	return p;
+}
+
+void * xrealloc(void * p, const size_t size)
+{
+	p = realloc(p, size);
+	if (p == 0) die("Out of memory in xrealloc()");
+	return p;
+}
+
+char * xstrdup(const char * const s)
+{
+	char * c = malloc(strlen(s) + 1);
+	if (c == 0) die("Out of memory in xstrdup()");
+	strcpy(c, s);
+	return c;
+}
+
+#define CHUNK 0x100
+
+char * load(const char * const path)
+{
+	FILE * fp = fopen(path, "r");
+	unsigned int l = 0;
+	char * buf = malloc(CHUNK);
+	if (buf == 0) die("Out of memory in load()");
+	while (1) {
+		unsigned int i;
+		for (i = 0; i != CHUNK && (buf[l] = fgetc(fp)) != EOF; i++, l++)
+			;
+		if (i != CHUNK) break;
+		buf = xrealloc(buf, l + CHUNK);
+	}
+	buf[l] = 0;
+	fclose(fp);
+	return buf;
+}