File u_Escape-special-characters-in-paths.patch of Package makedepend

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File u_Escape-special-characters-in-paths.patch of Package makedepend (Revision a06e6fcc8541b416d848e13fc832a1ec)

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From: Egbert Eich <eich@suse.de>
Date: Fri Mar 18 06:42:20 2016 +0100
Subject: [PATCH]Escape special characters in paths.
Patch-mainline: to be upstreamed
Git-repo: git://anongit.freedesktop.org/git/xorg/util/makedepend
Git-commit: 6ba62c8f0236a97eaef4377a1cbca58da2d6a8c0
References: 
Signed-off-by: Egbert Eich <eich@suse.com>

Make cannot handle certain special characters in make targets.

Signed-off-by: Egbert Eich <eich@suse.de>
---
 pr.c | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 56 insertions(+), 3 deletions(-)

diff --git a/pr.c b/pr.c
index 04abef9..e3a59e5 100644
--- a/pr.c
+++ b/pr.c
@@ -63,6 +63,56 @@ add_include(struct filepointer *filep, struct inclist *file,
 	}
 }
 
+/**
+ * Replaces all occurrences of special characters in @p input with
+ * "\<special_character>" using @p outputbuffer (of size @p bufsize)
+ * possibly to hold the result. @p returns the string with quoted colons
+ */
+static const char *quoteSpecial(const char *input, char *outputbuffer, int bufsize)
+{
+#define min(a, b) ((a < b) ? a : b)
+        const char *tmp=input;
+        const char *loc;
+	const char *ret=input;
+#if !defined(WIN32) && !defined(__CYGWIN__)
+	const char special[] = {'$',  ':',  '#',  '|',  '?',  '*',  ' ', '\\', '\0'};
+	const char  quotes[] = {'$', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\0'};
+#else
+	const char special[] = {'$', '\0'};
+	const char  quotes[] = {'$', '\0'};
+#endif
+	int i;
+
+	for (i = 0; i < strlen(special); i++) {
+		char buf[bufsize];
+		int size=bufsize;
+		char *buf_p = buf;
+		loc = strchr(ret, special[i]);
+		if (loc == NULL)
+			continue;
+		tmp=ret;
+		while (loc != NULL) {
+			if (size > loc-tmp+2 ) {
+				memcpy(buf_p, tmp, loc-tmp);
+				buf_p+=loc-tmp;
+				*(buf_p++)=quotes[i];
+				*(buf_p++)=special[i];
+				size-=loc-tmp+2;
+				tmp=loc+1;
+				loc = strchr(tmp, special[i]);
+			} else {
+				size = min (size, loc - tmp + 1);
+				break;
+			}
+		}
+		strncpy(buf_p, tmp, size);
+		buf_p[size - 1] = '\0';
+		strcpy(outputbuffer, buf);
+		ret = outputbuffer;
+	}
+        return ret;
+}
+
 static void
 pr(struct inclist *ip, const char *file, const char *base)
 {
@@ -70,18 +120,21 @@ pr(struct inclist *ip, const char *file, const char *base)
 	static int	current_len;
 	register int	len, i;
 	char	buf[ BUFSIZ ];
+	char	quotebuf[ BUFSIZ ];
+	const char *result;
 
 	printed = TRUE;
-	len = strlen(ip->i_file)+1;
+	result = quoteSpecial(ip->i_file, quotebuf, sizeof(quotebuf));
+	len = strlen(result)+1;
 	if (current_len + len > width || file != lastfile) {
 		lastfile = file;
 		snprintf(buf, sizeof(buf), "\n%s%s%s: %s",
-			 objprefix, base, objsuffix, ip->i_file);
+			 objprefix, base, objsuffix, result);
 		len = current_len = strlen(buf);
 	}
 	else {
 		buf[0] = ' ';
-		strcpy(buf+1, ip->i_file);
+		strcpy(buf+1, result);
 		current_len += len;
 	}
 	fwrite(buf, len, 1, stdout);

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File u_Escape-special-characters-in-paths.patch of Package makedepend (Revision a06e6fcc8541b416d848e13fc832a1ec)

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