1 files changed, 84 insertions, 0 deletions
diff --git a/src/pmdas/bash/util.c b/src/pmdas/bash/util.c
new file mode 100644
index 0000000..3284579
--- /dev/null
+++ b/src/pmdas/bash/util.c
@@ -0,0 +1,84 @@
+/*
+ * Utility routines for the bash tracing PMDA
+ *
+ * Copyright (c) 2012 Nathan Scott.
+ * 
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ * 
+ * This program 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 General Public License
+ * for more details.
+ */
+
+#include "event.h"
+#include "pmda.h"
+#include <ctype.h>
+
+int
+extract_int(char *s, const char *field, size_t length, int *value)
+{
+    char *endnum;
+    int num;
+
+    if (strncmp(s, field, length) != 0)
+	return 0;
+    num = strtol(s + length, &endnum, 10);
+    if (*endnum != ',' && *endnum != '\0' && !isspace((int)*endnum))
+	return 0;
+    *value = num;
+    return endnum - s + 1;
+}
+
+int
+extract_str(char *s, size_t end, const char *field, size_t length, char *value, size_t vsz)
+{
+    char *p;
+
+    if (strncmp(s, field, length) != 0)
+	return 0;
+    p = s + length;
+    while (*p != ',' && *p != '\0' && !isspace((int)*p))
+	p++;
+    *p = '\0';
+    strncpy(value, s + length, vsz);
+    return p - s + 1;
+}
+
+int
+extract_cmd(char *s, size_t end, const char *field, size_t length, char *value, size_t vsz)
+{
+    char *start = NULL, *stop = NULL, *p;
+    int len;
+
+    /* find the start of the command */
+    for (p = s; p < s + end; p++) {
+	if (strncmp(p, field, length) != 0)
+	    continue;
+	p++;
+	if (*p == ' ')
+	    p++;
+	break;
+    }
+    if (p == s + end)
+	return 0;
+    start = p;
+
+    /* find the command terminator */
+    while (*p != '\n' && *p != '\0' && p < s + end)
+	p++;
+    stop = p;
+
+    /* truncate it if necessary */
+    len = stop - start;
+    if (len > vsz - 1)
+	len = vsz - 1;
+
+    /* copy it over to "value" */
+    start[len] = '\0';
+    strncpy(value, start, len + 1);
+    return len;
+}