[PATCH 2/4] cleanup: use internal memory allocation wrapper functions everywhere

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The "x"-prefixed versions of strdup, malloc, etc. will check whether the
allocation was successful and terminate the process otherwise.

A few uses of malloc were left alone since they already implemented a
graceful path of failure or were in a quasi external library like xdiff.

Signed-off-by: Brandon Casey <drafnel@xxxxxxxxx>
---
 attr.c                |    2 +-
 builtin/mv.c          |    2 +-
 compat/mingw.c        |    2 +-
 compat/qsort.c        |    2 +-
 compat/win32/syslog.c |    2 +-
 remote.c              |    2 +-
 show-index.c          |    2 +-
 transport-helper.c    |    4 ++--
 8 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/attr.c b/attr.c
index 206f233..3359b39 100644
--- a/attr.c
+++ b/attr.c
@@ -533,7 +533,7 @@ static void bootstrap_attr_stack(void)
 
 		if (!is_bare_repository() || direction == GIT_ATTR_INDEX) {
 			elem = read_attr(GITATTRIBUTES_FILE, 1);
-			elem->origin = strdup("");
+			elem->origin = xstrdup("");
 			elem->prev = attr_stack;
 			attr_stack = elem;
 			debug_push(elem);
diff --git a/builtin/mv.c b/builtin/mv.c
index 40f33ca..e9d191f 100644
--- a/builtin/mv.c
+++ b/builtin/mv.c
@@ -29,7 +29,7 @@ static const char **copy_pathspec(const char *prefix, const char **pathspec,
 			to_copy--;
 		if (to_copy != length || base_name) {
 			char *it = xmemdupz(result[i], to_copy);
-			result[i] = base_name ? strdup(basename(it)) : it;
+			result[i] = base_name ? xstrdup(basename(it)) : it;
 		}
 	}
 	return get_pathspec(prefix, result);
diff --git a/compat/mingw.c b/compat/mingw.c
index 6ef0cc4..8947418 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -1183,7 +1183,7 @@ static int WSAAPI getaddrinfo_stub(const char *node, const char *service,
 	}
 	ai->ai_addrlen = sizeof(struct sockaddr_in);
 	if (hints && (hints->ai_flags & AI_CANONNAME))
-		ai->ai_canonname = h ? strdup(h->h_name) : NULL;
+		ai->ai_canonname = h ? xstrdup(h->h_name) : NULL;
 	else
 		ai->ai_canonname = NULL;
 
diff --git a/compat/qsort.c b/compat/qsort.c
index d93dce2..9574d53 100644
--- a/compat/qsort.c
+++ b/compat/qsort.c
@@ -55,7 +55,7 @@ void git_qsort(void *b, size_t n, size_t s,
 		msort_with_tmp(b, n, s, cmp, buf);
 	} else {
 		/* It's somewhat large, so malloc it.  */
-		char *tmp = malloc(size);
+		char *tmp = xmalloc(size);
 		msort_with_tmp(b, n, s, cmp, tmp);
 		free(tmp);
 	}
diff --git a/compat/win32/syslog.c b/compat/win32/syslog.c
index 42b95a9..197ab34 100644
--- a/compat/win32/syslog.c
+++ b/compat/win32/syslog.c
@@ -38,7 +38,7 @@ void syslog(int priority, const char *fmt, ...)
 		return;
 	}
 
-	str = malloc(str_len + 1);
+	str = xmalloc(str_len + 1);
 	va_start(ap, fmt);
 	vsnprintf(str, str_len + 1, fmt, ap);
 	va_end(ap);
diff --git a/remote.c b/remote.c
index b8ecfa5..7840d2f 100644
--- a/remote.c
+++ b/remote.c
@@ -840,7 +840,7 @@ char *apply_refspecs(struct refspec *refspecs, int nr_refspec,
 						    refspec->dst, &ret))
 				return ret;
 		} else if (!strcmp(refspec->src, name))
-			return strdup(refspec->dst);
+			return xstrdup(refspec->dst);
 	}
 	return NULL;
 }
diff --git a/show-index.c b/show-index.c
index 4c0ac13..63f9da5 100644
--- a/show-index.c
+++ b/show-index.c
@@ -48,7 +48,7 @@ int main(int argc, char **argv)
 			unsigned char sha1[20];
 			uint32_t crc;
 			uint32_t off;
-		} *entries = malloc(nr * sizeof(entries[0]));
+		} *entries = xmalloc(nr * sizeof(entries[0]));
 		for (i = 0; i < nr; i++)
 			if (fread(entries[i].sha1, 20, 1, stdin) != 1)
 				die("unable to read sha1 %u/%u", i, nr);
diff --git a/transport-helper.c b/transport-helper.c
index 4eab844..0713126 100644
--- a/transport-helper.c
+++ b/transport-helper.c
@@ -183,7 +183,7 @@ static struct child_process *get_helper(struct transport *transport)
 			ALLOC_GROW(refspecs,
 				   refspec_nr + 1,
 				   refspec_alloc);
-			refspecs[refspec_nr++] = strdup(capname + strlen("refspec "));
+			refspecs[refspec_nr++] = xstrdup(capname + strlen("refspec "));
 		} else if (!strcmp(capname, "connect")) {
 			data->connect = 1;
 		} else if (!prefixcmp(capname, "export-marks ")) {
@@ -445,7 +445,7 @@ static int fetch_with_import(struct transport *transport,
 		if (data->refspecs)
 			private = apply_refspecs(data->refspecs, data->refspec_nr, posn->name);
 		else
-			private = strdup(posn->name);
+			private = xstrdup(posn->name);
 		read_ref(private, posn->old_sha1);
 		free(private);
 	}
-- 
1.7.6.2

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