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authorPeter Breitenlohner <peb@mppmu.mpg.de>2011-06-03 15:39:31 +0000
committerPeter Breitenlohner <peb@mppmu.mpg.de>2011-06-03 15:39:31 +0000
commite4a9abe6cd6191aa7d0cbad1fdfa500d1acc3916 (patch)
tree7f83ccd0da6f811c112da922f0edeaf6a3a5f41f /Build/source/texk/dvipdfmx
parent9504a39c86d5c48fffaccb12c8325de5c50eb453 (diff)
(x)dvipdfmx: Fix more bugs in exec_spawn()
git-svn-id: svn://tug.org/texlive/trunk@22764 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/dvipdfmx')
-rw-r--r--Build/source/texk/dvipdfmx/ChangeLog4
-rw-r--r--Build/source/texk/dvipdfmx/dvipdfmx-20110311/src/dpxfile.c37
2 files changed, 21 insertions, 20 deletions
diff --git a/Build/source/texk/dvipdfmx/ChangeLog b/Build/source/texk/dvipdfmx/ChangeLog
index 48e5bc3f654..72070a25acd 100644
--- a/Build/source/texk/dvipdfmx/ChangeLog
+++ b/Build/source/texk/dvipdfmx/ChangeLog
@@ -1,3 +1,7 @@
+2011-06-03 Peter Breitenlohner <peb@mppmu.mpg.de>
+
+ * dpxfile.c (exec_spawn): Exit if execvp() fails, some clean up.
+
2011-06-03 Akira Kakuto <kakuto@fuk.kindai.ac.jp>
* dpxfile.c: fix a bug in exec_spawn().
diff --git a/Build/source/texk/dvipdfmx/dvipdfmx-20110311/src/dpxfile.c b/Build/source/texk/dvipdfmx/dvipdfmx-20110311/src/dpxfile.c
index 16c81eaf503..dbbf077989c 100644
--- a/Build/source/texk/dvipdfmx/dvipdfmx-20110311/src/dpxfile.c
+++ b/Build/source/texk/dvipdfmx/dvipdfmx-20110311/src/dpxfile.c
@@ -155,9 +155,13 @@ static int exec_spawn (char *cmd)
char **cmdv, **qv;
char *p, *pp;
char buf[1024];
- int i, ret;
+ int i, ret = -1;
- if (!cmd || !*cmd)
+ if (!cmd)
+ return -1;
+ while (*cmd == ' ' || *cmd == '\t')
+ cmd++;
+ if (*cmd == '\0')
return -1;
i = 0;
p = cmd;
@@ -166,19 +170,16 @@ static int exec_spawn (char *cmd)
i++;
p++;
}
- cmdv = (char **) xmalloc (sizeof (char *) * (i+2));
+ cmdv = xcalloc (i + 2, sizeof (char *));
p = cmd;
qv = cmdv;
- while (*p == ' ' || *p == '\t')
- p++;
while (*p) {
pp = buf;
if (*p == '"') {
p++;
while (*p != '"') {
if (*p == '\0') {
- free (cmdv);
- return -1;
+ goto done;
}
*pp++ = *p++;
}
@@ -187,8 +188,7 @@ static int exec_spawn (char *cmd)
p++;
while (*p != '\'') {
if (*p == '\0') {
- free (cmdv);
- return -1;
+ goto done;
}
*pp++ = *p++;
}
@@ -199,8 +199,7 @@ static int exec_spawn (char *cmd)
p++;
while (*p != '\'') {
if (*p == '\0') {
- free (cmdv);
- return -1;
+ goto done;
}
*pp++ = *p++;
}
@@ -211,7 +210,7 @@ static int exec_spawn (char *cmd)
}
}
*pp = '\0';
- if ((pp = strchr (buf, ' ')) || (pp = strchr (buf, '\t'))) {
+ if (strchr (buf, ' ') || strchr (buf, '\t')) {
#ifdef WIN32
*qv = concat3 ("\"", buf, "\"");
#else
@@ -227,7 +226,6 @@ static int exec_spawn (char *cmd)
p++;
qv++;
}
- *qv = NULL;
#ifdef WIN32
ret = spawnvp (_P_WAIT, *cmdv, (const char* const*) cmdv);
#else
@@ -236,7 +234,7 @@ static int exec_spawn (char *cmd)
ret = -1;
else if (i == 0) {
if (execvp (*cmdv, cmdv))
- ret = -1;
+ _exit (-1);
} else {
if (wait (&ret) == i) {
ret = (WIFEXITED (ret) ? WEXITSTATUS (ret) : -1);
@@ -245,14 +243,13 @@ static int exec_spawn (char *cmd)
}
}
#endif
+done:
qv = cmdv;
- if (qv) {
- while (*qv) {
- free (*qv);
- qv++;
- }
- free (cmdv);
+ while (*qv) {
+ free (*qv);
+ qv++;
}
+ free (cmdv);
return ret;
}