lib/: Rename local variable

Call it 'dup', which reminds that it's a strdup(3)d string.

Signed-off-by: Alejandro Colomar <[email protected]>

lib/gshadow.c

@@ -72,25 +72,25 @@ void endsgent (void)
 /*@observer@*//*@null@*/struct sgrp *
 sgetsgent(const char *s)
 {
-	static char *sgrbuf = NULL;
+	static char  *dup = NULL;
 
 	char *fields[FIELDS];
 	char *cp;
 	int i;
 
-	free(sgrbuf);
-	sgrbuf = strdup(s);
-	if (sgrbuf == NULL)
+	free(dup);
+	dup = strdup(s);
+	if (dup == NULL)
 		return NULL;
 
-	stpsep(sgrbuf, "\n");
+	stpsep(dup, "\n");
 
 	/*
 	 * There should be exactly 4 colon separated fields.  Find
 	 * all 4 of them and save the starting addresses in fields[].
 	 */
 
-	for (cp = sgrbuf, i = 0; (i < FIELDS) && (NULL != cp); i++)
+	for (cp = dup, i = 0; (i < FIELDS) && (NULL != cp); i++)
 		fields[i] = strsep(&cp, ":");
 
 	/*

lib/sgetgrent.c

@@ -67,20 +67,20 @@ list(char *s)
 struct group *
 sgetgrent(const char *s)
 {
-	static char *grpbuf = NULL;
+	static char         *dup = NULL;
 	static char *grpfields[NFIELDS];
 	static struct group grent;
 	int i;
 	char *cp;
 
-	free(grpbuf);
-	grpbuf = strdup(s);
-	if (grpbuf == NULL)
+	free(dup);
+	dup = strdup(s);
+	if (dup == NULL)
 		return NULL;
 
-	stpsep(grpbuf, "\n");
+	stpsep(dup, "\n");
 
-	for (cp = grpbuf, i = 0; (i < NFIELDS) && (NULL != cp); i++)
+	for (cp = dup, i = 0; (i < NFIELDS) && (NULL != cp); i++)
 		grpfields[i] = strsep(&cp, ":");
 
 	if (i < (NFIELDS - 1) || *grpfields[2] == '\0' || cp != NULL) {

lib/sgetpwent.c

@@ -40,23 +40,23 @@
 struct passwd *
 sgetpwent(const char *s)
 {
-	static char  *pwdbuf = NULL;
+	static char          *dup = NULL;
 	static struct passwd pwent;
 	int i;
 	char *cp;
 	char *fields[NFIELDS];
 
-	free(pwdbuf);
-	pwdbuf = strdup(s);
-	if (pwdbuf == NULL)
+	free(dup);
+	dup = strdup(s);
+	if (dup == NULL)
 		return NULL;
 
 	/*
 	 * Save a pointer to the start of each colon separated
 	 * field.  The fields are converted into NUL terminated strings.
 	 */
 
-	for (cp = pwdbuf, i = 0; (i < NFIELDS) && (NULL != cp); i++)
+	for (cp = dup, i = 0; (i < NFIELDS) && (NULL != cp); i++)
 		fields[i] = strsep(&cp, ":");
 
 	/* something at the end, columns over shot */

lib/sgetspent.c

@@ -38,25 +38,25 @@
 struct spwd *
 sgetspent(const char *s)
 {
-	static char  *spwbuf = NULL;
+	static char        *dup = NULL;
 	static struct spwd spwd;
 	char *fields[FIELDS];
 	char *cp;
 	int i;
 
-	free(spwbuf);
-	spwbuf = strdup(s);
-	if (spwbuf == NULL)
+	free(dup);
+	dup = strdup(s);
+	if (dup == NULL)
 		return NULL;
 
-	stpsep(spwbuf, "\n");
+	stpsep(dup, "\n");
 
 	/*
 	 * Tokenize the string into colon separated fields.  Allow up to
 	 * FIELDS different fields.
 	 */
 
-	for (cp = spwbuf, i = 0; cp != NULL && i < FIELDS; i++)
+	for (cp = dup, i = 0; cp != NULL && i < FIELDS; i++)
 		fields[i] = strsep(&cp, ":");
 
 	if (i == (FIELDS - 1))