1 files changed, 103 insertions, 0 deletions
diff --git a/build/misc.c b/build/misc.c
new file mode 100644
index 0000000..06fd110
--- /dev/null
+++ b/build/misc.c
@@ -0,0 +1,103 @@
+/** \ingroup rpmbuild
+ * \file build/misc.c
+ */
+#include "system.h"
+
+#include <ctype.h>
+#include <stdlib.h>
+#include <rpm/rpmstring.h>
+#include "build/rpmbuild_misc.h"
+#include "debug.h"
+
+#define BUF_CHUNK 1024
+
+struct StringBufRec {
+    char *buf;
+    char *tail;     /* Points to first "free" char */
+    int allocated;
+    int free;
+};
+
+StringBuf newStringBuf(void)
+{
+    StringBuf sb = xmalloc(sizeof(*sb));
+
+    sb->free = sb->allocated = BUF_CHUNK;
+    sb->buf = xcalloc(sb->allocated, sizeof(*sb->buf));
+    sb->buf[0] = '\0';
+    sb->tail = sb->buf;
+    
+    return sb;
+}
+
+StringBuf freeStringBuf(StringBuf sb)
+{
+    if (sb) {
+	sb->buf = _free(sb->buf);
+	sb = _free(sb);
+    }
+    return sb;
+}
+
+void stripTrailingBlanksStringBuf(StringBuf sb)
+{
+    while (sb->free != sb->allocated) {
+	if (! risspace(*(sb->tail - 1)))
+	    break;
+	sb->free++;
+	sb->tail--;
+    }
+    sb->tail[0] = '\0';
+}
+
+const char * getStringBuf(StringBuf sb)
+{
+    return (sb != NULL) ? sb->buf : NULL;
+}
+
+void appendStringBufAux(StringBuf sb, const char *s, int nl)
+{
+    int l;
+
+    l = strlen(s);
+    /* If free == l there is no room for NULL terminator! */
+    while ((l + nl + 1) > sb->free) {
+        sb->allocated += BUF_CHUNK;
+	sb->free += BUF_CHUNK;
+        sb->buf = xrealloc(sb->buf, sb->allocated);
+	sb->tail = sb->buf + (sb->allocated - sb->free);
+    }
+    
+    /* FIX: shrug */
+    strcpy(sb->tail, s);
+    sb->tail += l;
+    sb->free -= l;
+    if (nl) {
+        sb->tail[0] = '\n';
+        sb->tail[1] = '\0';
+	sb->tail++;
+	sb->free--;
+    }
+}
+
+uint32_t parseUnsignedNum(const char * line, uint32_t * res)
+{
+    char * s1 = NULL;
+    unsigned long rc;
+    uint32_t result;
+
+    if (line == NULL) return 1;
+
+    while (isspace(*line)) line++;
+    if (!isdigit(*line)) return 1;
+
+    rc = strtoul(line, &s1, 10);
+
+    if (*s1 || s1 == line || rc == ULONG_MAX || rc > UINT_MAX)
+        return 1;
+
+    result = (uint32_t)rc;
+    if (res) *res = result;
+
+    return 0;
+}