Extract nested functions; from maintainer Donovan Watteau.

Nested functions are a GCC extension not supported by clang.
This commit is contained in:
naddy 2017-08-03 20:26:49 +00:00
parent 882a67ad75
commit 71a2c3a843
2 changed files with 177 additions and 4 deletions

View File

@ -1,11 +1,9 @@
# $OpenBSD: Makefile,v 1.1.1.1 2017/01/13 17:26:41 landry Exp $
# Uses GCC nested functions
#NOT_FOR_ARCHS= ${CLANG_ARCHS}
# $OpenBSD: Makefile,v 1.2 2017/08/03 20:26:49 naddy Exp $
COMMENT= Debian package repository producer
V= 5.1.1
REVISION= 0
PKGNAME= reprepro-${V}
DISTNAME= reprepro_${V}.orig
WRKDIST= ${WRKDIR}/reprepro-${V}

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@ -0,0 +1,175 @@
$OpenBSD: patch-sourceextraction_c,v 1.1 2017/08/03 20:26:49 naddy Exp $
XXX: Hack around some GCC nested functions not accepted by clang.
Index: sourceextraction.c
--- sourceextraction.c.orig
+++ sourceextraction.c
@@ -60,6 +60,81 @@ void sourceextraction_abort(struct sourceextraction *e
free(e);
}
+#define BUFSIZE 4096
+
+static inline bool u_getline(char *buffer, int *bytes_read, int *used, int *filled, struct compressedfile *f, const char *p) {
+ do {
+ if (*filled - *used > 0) {
+ char *n;
+
+ p = buffer + *used;
+ n = memchr(p, '\n', *filled - *used);
+ if (n != NULL) {
+ *used += 1 + (n - p);
+ *n = '\0';
+ while (--n >= p && *n == '\r')
+ *n = '\0';
+ return true;
+ }
+ } else { assert (*filled == *used);
+ *filled = 0;
+ *used = 0;
+ }
+ if (*filled == BUFSIZE) {
+ if (*used == 0)
+ /* overlong line */
+ return false;
+ memmove(buffer, buffer + *used, *filled - *used);
+ *filled -= *used;
+ *used = 0;
+ }
+ *bytes_read = uncompress_read(f, buffer + *filled,
+ BUFSIZE - *filled);
+ if (*bytes_read <= 0)
+ return false;
+ *filled += *bytes_read;
+ } while (true);
+}
+
+static inline char u_overlinegetchar(char *buffer, int *bytes_read, int *used, int *filled, struct compressedfile *f) {
+ const char *n;
+ char ch;
+
+ if (*filled - *used > 0) {
+ ch = buffer[*used];
+ } else { assert (*filled == *used);
+ *used = 0;
+ *bytes_read = uncompress_read(f, buffer, BUFSIZE);
+ if (*bytes_read <= 0) {
+ *filled = 0;
+ return '\0';
+ }
+ *filled = *bytes_read;
+ ch = buffer[0];
+ }
+ if (ch == '\n')
+ return '\0';
+
+ /* over rest of the line */
+ n = memchr(buffer + *used, '\n', *filled - *used);
+ if (n != NULL) {
+ *used = 1 + (n - buffer);
+ return ch;
+ }
+ *used = 0;
+ *filled = 0;
+ /* need to read more to get to the end of the line */
+ do { /* these lines can be long */
+ *bytes_read = uncompress_read(f, buffer, BUFSIZE);
+ if (*bytes_read <= 0)
+ return false;
+ n = memchr(buffer, '\n', *bytes_read);
+ } while (n == NULL);
+ *used = 1 + (n - buffer);
+ *filled = *bytes_read;
+ return ch;
+}
+
/* with must be a string constant, no pointer! */
#define endswith(name, len, with) (len >= sizeof(with) && memcmp(name+(len+1-sizeof(with)), with, sizeof(with)-1) == 0)
@@ -128,83 +203,11 @@ bool sourceextraction_needs(struct sourceextraction *e
static retvalue parsediff(struct compressedfile *f, /*@null@*/char **section_p, /*@null@*/char **priority_p, bool *found_p) {
size_t destlength, lines_in, lines_out;
const char *p, *s; char *garbage;
-#define BUFSIZE 4096
char buffer[BUFSIZE];
int bytes_read, used = 0, filled = 0;
- auto inline bool u_getline(void);
- inline bool u_getline(void) {
- do {
- if (filled - used > 0) {
- char *n;
-
- p = buffer + used;
- n = memchr(p, '\n', filled - used);
- if (n != NULL) {
- used += 1 + (n - p);
- *n = '\0';
- while (--n >= p && *n == '\r')
- *n = '\0';
- return true;
- }
- } else { assert (filled == used);
- filled = 0;
- used = 0;
- }
- if (filled == BUFSIZE) {
- if (used == 0)
- /* overlong line */
- return false;
- memmove(buffer, buffer + used, filled - used);
- filled -= used;
- used = 0;
- }
- bytes_read = uncompress_read(f, buffer + filled,
- BUFSIZE - filled);
- if (bytes_read <= 0)
- return false;
- filled += bytes_read;
- } while (true);
- }
- auto inline char u_overlinegetchar(void);
- inline char u_overlinegetchar(void) {
- const char *n;
- char ch;
-
- if (filled - used > 0) {
- ch = buffer[used];
- } else { assert (filled == used);
- used = 0;
- bytes_read = uncompress_read(f, buffer, BUFSIZE);
- if (bytes_read <= 0) {
- filled = 0;
- return '\0';
- }
- filled = bytes_read;
- ch = buffer[0];
- }
- if (ch == '\n')
- return '\0';
-
- /* over rest of the line */
- n = memchr(buffer + used, '\n', filled - used);
- if (n != NULL) {
- used = 1 + (n - buffer);
- return ch;
- }
- used = 0;
- filled = 0;
- /* need to read more to get to the end of the line */
- do { /* these lines can be long */
- bytes_read = uncompress_read(f, buffer, BUFSIZE);
- if (bytes_read <= 0)
- return false;
- n = memchr(buffer, '\n', bytes_read);
- } while (n == NULL);
- used = 1 + (n - buffer);
- filled = bytes_read;
- return ch;
- }
+#define u_getline() u_getline(buffer, &bytes_read, &used, &filled, f, p)
+#define u_overlinegetchar() u_overlinegetchar(buffer, &bytes_read, &used, &filled, f)
/* we are assuming the exact format dpkg-source generates here... */