X-Git-Url: https://git.deb.at/?a=blobdiff_plain;f=misc.c;h=8a4b9cfc5d2657fbb8ed69076c849d88b1efa5f6;hb=efc9a360c599ac2317853a6ff3ca6c3d208b7316;hp=29ba73985ff4711753948c2965133aea6ffbe2c0;hpb=9c567e5bb78debf56e2e2c1644f252de58a80d50;p=pkg%2Fabook.git

diff --git a/misc.c b/misc.c
index 29ba739..8a4b9cf 100644
--- a/misc.c
+++ b/misc.c
@@ -32,39 +32,13 @@
 
 #include <assert.h>
 
-char *
-revstr(char *str)
-{
-	char *s, *s2;
-
-	s = s2 = strdup(str);
-
-	while( *str )
-		str++;
-
-	while( *s )
-		*--str = *s++;
-
-	free(s2);
-	return str;
-}
-
-char *
-strupper(char *str)
-{
-	char *tmp = str;
-
-	while( ( *str = toupper( *str ) ) )
-		str++;
-	
-	return tmp;
-}
-
 char *
 strlower(char *str)
 {
 	char *tmp = str;
 
+	assert(str != NULL);
+
 	while( ( *str = tolower ( *str ) ) )
 		str++;
 
@@ -119,6 +93,8 @@ mkstr (const char *format, ... )
 		(char *) malloc (size);
 #endif
 	
+	assert(format != NULL);
+
 	for(;;) {
 		int n;
 		MY_VA_START(format);
@@ -147,12 +123,11 @@ mkstr (const char *format, ... )
 char*
 strconcat (const char *str, ...)
 {
-	int   l;
+	unsigned long l;
 	MY_VA_LOCAL_DECL;
 	char *s, *concat;
 
-	if(str == NULL)
-		return NULL;
+	assert(str != NULL);
 
 	l = 1 + strlen (str);
 	MY_VA_START(str);
@@ -169,6 +144,8 @@ strconcat (const char *str, ...)
 #else
 	malloc(l);
 #endif
+	if(concat == NULL)
+		return NULL;
 
 	strcpy (concat, str);
 	MY_VA_START(str);
@@ -213,10 +190,14 @@ my_getcwd()
 	char *dir = NULL;
 	int size = 100;
 
-	dir = malloc(size);
+	if( (dir = (char *)malloc(size)) == NULL)
+		return NULL;
+
+	*dir = 0;
 	
 	while( getcwd(dir, size) == NULL && errno == ERANGE )
-		dir = realloc(dir, size *=2);
+		if( (dir = (char *)realloc(dir, size *=2)) == NULL)
+			return NULL;
 
 	return dir;
 }
@@ -257,7 +238,8 @@ getaline(FILE *f)
 			break;		/* the whole line has been read */
 
 		for (inc = size, p = NULL; inc > mininc; inc /= 2)
-			if ((p = abook_realloc(buf, size + inc)) != NULL)
+			if ((p = (char *)abook_realloc(buf, size + inc)) !=
+					NULL)
 				break;
 
 		size += inc;
@@ -273,7 +255,7 @@ getaline(FILE *f)
 		buf[--len] = '\0';
 
 	if (size - len > mucho) { /* a plenitude of unused memory? */
-		p = abook_realloc(buf, len+1);
+		p = (char *)abook_realloc(buf, len+1);
 		if (p != NULL) {
 			buf = p;
 			size = len+1;