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authorRich Felker <dalias@aerifal.cx>2011-02-12 00:22:29 -0500
committerRich Felker <dalias@aerifal.cx>2011-02-12 00:22:29 -0500
commit0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 (patch)
tree6eaef0d8a720fa3da580de87b647fff796fe80b3 /src/passwd/getpwent.c
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initial check-in, version 0.5.0 v0.5.0
Diffstat (limited to 'src/passwd/getpwent.c')
-rw-r--r--src/passwd/getpwent.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/src/passwd/getpwent.c b/src/passwd/getpwent.c
new file mode 100644
index 00000000..dabd411a
--- /dev/null
+++ b/src/passwd/getpwent.c
@@ -0,0 +1,39 @@
+#include "pwf.h"
+
+static FILE *f;
+
+void setpwent()
+{
+	if (f) fclose(f);
+	f = 0;
+}
+
+weak_alias(setpwent, endpwent);
+
+struct passwd *getpwent()
+{
+	static char *line;
+	static struct passwd pw;
+	size_t size=0;
+	if (!f) f = fopen("/etc/passwd", "rb");
+	if (!f) return 0;
+	return __getpwent_a(f, &pw, &line, &size);
+}
+
+struct passwd *getpwuid(uid_t uid)
+{
+	struct passwd *pw;
+	setpwent();
+	while ((pw=getpwent()) && pw->pw_uid != uid);
+	endpwent();
+	return pw;
+}
+
+struct passwd *getpwnam(const char *name)
+{
+	struct passwd *pw;
+	setpwent();
+	while ((pw=getpwent()) && strcmp(pw->pw_name, name));
+	endpwent();
+	return pw;
+}