From: Alejandro Colomar <alx@kernel.org>
Date: Sun, 10 Nov 2024 17:18:19 +0000 (+0100)
Subject: lib/shadow/, lib/: fgetsgent(): Move to separate file
X-Git-Tag: 4.19.0-rc1~139
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a3aeee0878c37d217a8556f28cf8d2ad50255293;p=thirdparty%2Fshadow.git

lib/shadow/, lib/: fgetsgent(): Move to separate file

Signed-off-by: Alejandro Colomar <alx@kernel.org>
---

diff --git a/lib/Makefile.am b/lib/Makefile.am
index 5138d5b52..c6a2ce02f 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -176,6 +176,8 @@ libshadow_la_SOURCES = \
 	shadow/grp/agetgroups.h \
 	shadow/gshadow/endsgent.c \
 	shadow/gshadow/endsgent.h \
+	shadow/gshadow/fgetsgent.c \
+	shadow/gshadow/fgetsgent.h \
 	shadow/gshadow/gshadow.c \
 	shadow/gshadow/gshadow.h \
 	shadow/gshadow/putsgent.c \
diff --git a/lib/gshadow.c b/lib/gshadow.c
index 072f4d475..8f638f7f3 100644
--- a/lib/gshadow.c
+++ b/lib/gshadow.c
@@ -22,6 +22,7 @@
 #include "alloc/realloc.h"
 #include "defines.h"
 #include "prototypes.h"
+#include "shadow/gshadow/fgetsgent.h"
 #include "shadow/gshadow/gshadow.h"
 #include "shadow/gshadow/setsgent.h"
 #include "shadow/gshadow/sgrp.h"
@@ -77,57 +78,6 @@ sgetsgent(const char *s)
 	return &sgroup;
 }
 
-/*
- * fgetsgent - convert next line in stream to (struct sgrp)
- *
- * fgetsgent() reads the next line from the provided stream and
- * converts it to a (struct sgrp).  NULL is returned on EOF.
- */
-
-/*@observer@*//*@null@*/struct sgrp *fgetsgent (/*@null@*/FILE * fp)
-{
-	static size_t buflen = 0;
-	static char *buf = NULL;
-
-	char *cp;
-
-	if (0 == buflen) {
-		buf = MALLOC(BUFSIZ, char);
-		if (NULL == buf) {
-			return NULL;
-		}
-		buflen = BUFSIZ;
-	}
-
-	if (NULL == fp) {
-		return NULL;
-	}
-
-	if (fgetsx(buf, buflen, fp) == NULL)
-		return NULL;
-
-	while (   (strrchr(buf, '\n') == NULL)
-	       && (feof (fp) == 0)) {
-		size_t len;
-
-		cp = REALLOC(buf, buflen * 2, char);
-		if (NULL == cp) {
-			return NULL;
-		}
-		buf = cp;
-		buflen *= 2;
-
-		len = strlen (buf);
-		if (fgetsx (&buf[len],
-			    (int) (buflen - len),
-			    fp) != &buf[len]) {
-			return NULL;
-		}
-	}
-	stpsep(buf, "\n");
-	return (sgetsgent (buf));
-}
-
 /*
  * getsgent - get a single shadow group entry
  */
diff --git a/lib/gshadow_.h b/lib/gshadow_.h
index 63223e962..007652b08 100644
--- a/lib/gshadow_.h
+++ b/lib/gshadow_.h
@@ -16,15 +16,12 @@
 
 #include <config.h>
 
-#include <stdio.h>		/* for FILE */
-
 #include "shadow/gshadow/sgrp.h"
 
 
 /*@observer@*//*@null@*/struct sgrp *getsgent (void);
 /*@observer@*//*@null@*/struct sgrp *getsgnam (const char *);
 /*@observer@*//*@null@*/struct sgrp *sgetsgent (const char *);
-/*@observer@*//*@null@*/struct sgrp *fgetsgent (/*@null@*/FILE *);
 
 #define	GSHADOW	"/etc/gshadow"
 
diff --git a/lib/shadow/gshadow/fgetsgent.c b/lib/shadow/gshadow/fgetsgent.c
new file mode 100644
index 000000000..9424ab940
--- /dev/null
+++ b/lib/shadow/gshadow/fgetsgent.c
@@ -0,0 +1,77 @@
+// SPDX-FileCopyrightText: 1990-1994, Julianne Frances Haugh
+// SPDX-FileCopyrightText: 1996-1998, Marek Michałkiewicz
+// SPDX-FileCopyrightText: 2005, Tomasz Kłoczko
+// SPDX-FileCopyrightText: 2008-2009, Nicolas François
+// SPDX-FileCopyrightText: 2024, Alejandro Colomar <alx@kernel.org>
+// SPDX-License-Identifier: BSD-3-Clause
+
+
+#include "config.h"
+
+#include "shadow/gshadow/fgetsgent.h"
+
+#include <stddef.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "alloc/malloc.h"
+#include "alloc/realloc.h"
+#include "defines.h"
+#include "prototypes.h"
+#include "shadow/gshadow/sgrp.h"
+#include "string/strtok/stpsep.h"
+
+
+/*
+ * fgetsgent - convert next line in stream to (struct sgrp)
+ *
+ * fgetsgent() reads the next line from the provided stream and
+ * converts it to a (struct sgrp).  NULL is returned on EOF.
+ */
+#if defined(SHADOWGRP) && !__has_include(<gshadow.h>)
+// from-FILE get-next shadow group entry
+struct sgrp *
+fgetsgent(FILE *fp)
+{
+	static size_t buflen = 0;
+	static char *buf = NULL;
+
+	char *cp;
+
+	if (0 == buflen) {
+		buf = MALLOC(BUFSIZ, char);
+		if (NULL == buf) {
+			return NULL;
+		}
+		buflen = BUFSIZ;
+	}
+
+	if (NULL == fp) {
+		return NULL;
+	}
+
+	if (fgetsx(buf, buflen, fp) == NULL)
+		return NULL;
+
+	while (   (strrchr(buf, '\n') == NULL)
+	       && (feof (fp) == 0)) {
+		size_t len;
+
+		cp = REALLOC(buf, buflen * 2, char);
+		if (NULL == cp) {
+			return NULL;
+		}
+		buf = cp;
+		buflen *= 2;
+
+		len = strlen (buf);
+		if (fgetsx (&buf[len],
+			    (int) (buflen - len),
+			    fp) != &buf[len]) {
+			return NULL;
+		}
+	}
+	stpsep(buf, "\n");
+	return (sgetsgent (buf));
+}
+#endif
diff --git a/lib/shadow/gshadow/fgetsgent.h b/lib/shadow/gshadow/fgetsgent.h
new file mode 100644
index 000000000..e40fbbd9a
--- /dev/null
+++ b/lib/shadow/gshadow/fgetsgent.h
@@ -0,0 +1,26 @@
+// SPDX-FileCopyrightText: 1988-1994, Julianne Frances Haugh
+// SPDX-FileCopyrightText: 1996-1997, Marek Michałkiewicz
+// SPDX-FileCopyrightText: 2003-2005, Tomasz Kłoczko
+// SPDX-FileCopyrightText: 2024, Alejandro Colomar <alx@kernel.org>
+// SPDX-License-Identifier: BSD-3-Clause
+
+
+#ifndef SHADOW_INCLUDE_LIB_SHADOW_GSHADOW_FGETSGENT_H_
+#define SHADOW_INCLUDE_LIB_SHADOW_GSHADOW_FGETSGENT_H_
+
+
+#include "config.h"
+
+#include <stdio.h>
+
+#include "shadow/gshadow/sgrp.h"
+
+
+#if __has_include(<gshadow.h>)
+# include <gshadow.h>
+#else
+struct sgrp *fgetsgent(FILE *stream);
+#endif
+
+
+#endif  // include guard