Thread (5 messages) 5 messages, 4 authors, 2017-03-31
STALE3471d

[PATCH] http.postbuffer: make a size_t

From: David Turner <hidden>
Date: 2017-03-30 20:29:33
Subsystem: the rest · Maintainer: Linus Torvalds

Unfortunately, in order to push some large repos, the http postbuffer
must sometimes exceed two gigabytes.  On a 64-bit system, this is OK:
we just malloc a larger buffer.

Signed-off-by: David Turner <redacted>
---
 cache.h  |  1 +
 config.c | 17 +++++++++++++++++
 http.c   |  2 +-
 3 files changed, 19 insertions(+), 1 deletion(-)
diff --git a/cache.h b/cache.h
index fbdf7a815a..a8c1b65db0 100644
--- a/cache.h
+++ b/cache.h
@@ -1900,6 +1900,7 @@ extern int git_parse_maybe_bool(const char *);
 extern int git_config_int(const char *, const char *);
 extern int64_t git_config_int64(const char *, const char *);
 extern unsigned long git_config_ulong(const char *, const char *);
+extern size_t git_config_size_t(const char *, const char *);
 extern int git_config_bool_or_int(const char *, const char *, int *);
 extern int git_config_bool(const char *, const char *);
 extern int git_config_maybe_bool(const char *, const char *);
diff --git a/config.c b/config.c
index 1a4d85537b..7b706cf27a 100644
--- a/config.c
+++ b/config.c
@@ -834,6 +834,15 @@ int git_parse_ulong(const char *value, unsigned long *ret)
 	return 1;
 }
 
+static size_t git_parse_size_t(const char *value, unsigned long *ret)
+{
+	size_t tmp;
+	if (!git_parse_signed(value, &tmp, maximum_unsigned_value_of_type(size_t)))
+		return 0;
+	*ret = tmp;
+	return 1;
+}
+
 NORETURN
 static void die_bad_number(const char *name, const char *value)
 {
@@ -892,6 +901,14 @@ unsigned long git_config_ulong(const char *name, const char *value)
 	return ret;
 }
 
+size_t git_config_size_t(const char *name, const char *value)
+{
+	unsigned long ret;
+	if (!git_parse_size_t(value, &ret))
+		die_bad_number(name, value);
+	return ret;
+}
+
 int git_parse_maybe_bool(const char *value)
 {
 	if (!value)
diff --git a/http.c b/http.c
index 96d84bbed3..ab6080835f 100644
--- a/http.c
+++ b/http.c
@@ -331,7 +331,7 @@ static int http_options(const char *var, const char *value, void *cb)
 	}
 
 	if (!strcmp("http.postbuffer", var)) {
-		http_post_buffer = git_config_int(var, value);
+		http_post_buffer = git_config_size_t(var, value);
 		if (http_post_buffer < LARGE_PACKET_MAX)
 			http_post_buffer = LARGE_PACKET_MAX;
 		return 0;
-- 
2.11.GIT
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