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authorRodrigo Vivi <rodrigo.vivi@intel.com>2019-07-29 18:51:48 +0300
committerRodrigo Vivi <rodrigo.vivi@intel.com>2019-07-29 18:51:48 +0300
commited32f8d42cee118b075e4372a55c7739a11094b2 (patch)
tree5a806c5168d4177e0536b98b6bda30ec4bdbac43 /scripts/basic
parent60a4233a4952729089e4df152e730f8f4d0e82ce (diff)
parent5f9e832c137075045d15cd6899ab0505cfb2ca4b (diff)
downloadlinux-ed32f8d42cee118b075e4372a55c7739a11094b2.tar.xz
Merge drm/drm-next into drm-intel-next-queued
Catching up with 5.3-rc* Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'scripts/basic')
-rw-r--r--scripts/basic/fixdep.c51
1 files changed, 41 insertions, 10 deletions
diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index facbd603adf6..9ba47b0a47b9 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -99,6 +99,7 @@
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
+#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
@@ -110,13 +111,43 @@ static void usage(void)
}
/*
+ * In the intended usage of this program, the stdout is redirected to .*.cmd
+ * files. The return value of printf() and putchar() must be checked to catch
+ * any error, e.g. "No space left on device".
+ */
+static void xprintf(const char *format, ...)
+{
+ va_list ap;
+ int ret;
+
+ va_start(ap, format);
+ ret = vprintf(format, ap);
+ if (ret < 0) {
+ perror("fixdep");
+ exit(1);
+ }
+ va_end(ap);
+}
+
+static void xputchar(int c)
+{
+ int ret;
+
+ ret = putchar(c);
+ if (ret == EOF) {
+ perror("fixdep");
+ exit(1);
+ }
+}
+
+/*
* Print out a dependency path from a symbol name
*/
static void print_dep(const char *m, int slen, const char *dir)
{
int c, prev_c = '/', i;
- printf(" $(wildcard %s/", dir);
+ xprintf(" $(wildcard %s/", dir);
for (i = 0; i < slen; i++) {
c = m[i];
if (c == '_')
@@ -124,10 +155,10 @@ static void print_dep(const char *m, int slen, const char *dir)
else
c = tolower(c);
if (c != '/' || prev_c != '/')
- putchar(c);
+ xputchar(c);
prev_c = c;
}
- printf(".h) \\\n");
+ xprintf(".h) \\\n");
}
struct item {
@@ -324,13 +355,13 @@ static void parse_dep_file(char *m, const char *target)
*/
if (!saw_any_target) {
saw_any_target = 1;
- printf("source_%s := %s\n\n",
- target, m);
- printf("deps_%s := \\\n", target);
+ xprintf("source_%s := %s\n\n",
+ target, m);
+ xprintf("deps_%s := \\\n", target);
}
is_first_dep = 0;
} else {
- printf(" %s \\\n", m);
+ xprintf(" %s \\\n", m);
}
buf = read_file(m);
@@ -353,8 +384,8 @@ static void parse_dep_file(char *m, const char *target)
exit(1);
}
- printf("\n%s: $(deps_%s)\n\n", target, target);
- printf("$(deps_%s):\n", target);
+ xprintf("\n%s: $(deps_%s)\n\n", target, target);
+ xprintf("$(deps_%s):\n", target);
}
int main(int argc, char *argv[])
@@ -369,7 +400,7 @@ int main(int argc, char *argv[])
target = argv[2];
cmdline = argv[3];
- printf("cmd_%s := %s\n\n", target, cmdline);
+ xprintf("cmd_%s := %s\n\n", target, cmdline);
buf = read_file(depfile);
parse_dep_file(buf, target);