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authorH.J. Lu <hjl.tools@gmail.com>2012-08-29 01:02:41 +0000
committerH.J. Lu <hjl.tools@gmail.com>2012-08-29 01:02:41 +0000
commitf45c1d8ca27bcb5796d77f01d29631a9c7e1e1dc (patch)
tree7214592531a4a134cbae04753a9c300aacda6523 /libiberty
parent73b9fc11e033e22285e8a0c7970eb3675431afe5 (diff)
downloadbinutils-redhat-f45c1d8ca27bcb5796d77f01d29631a9c7e1e1dc.tar.gz
Replace malloc with xmalloc
* argv.c (dupargv): Replace malloc with xmalloc. Don't check xmalloc return. (buildargv): Likewise. Also replace strdup with xstrdup. (expandargv): Don't check dupargv return.
Diffstat (limited to 'libiberty')
-rw-r--r--libiberty/ChangeLog7
-rw-r--r--libiberty/argv.c47
2 files changed, 16 insertions, 38 deletions
diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index f06dcb52a6..9afed43585 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,5 +1,12 @@
2011-08-28 H.J. Lu <hongjiu.lu@intel.com>
+ * argv.c (dupargv): Replace malloc with xmalloc. Don't check
+ xmalloc return.
+ (buildargv): Likewise. Also replace strdup with xstrdup.
+ (expandargv): Don't check dupargv return.
+
+2011-08-28 H.J. Lu <hongjiu.lu@intel.com>
+
PR binutils/14526
* argv.c (buildargv): Replace alloca with xmalloc/free.
diff --git a/libiberty/argv.c b/libiberty/argv.c
index 4cef3bc5b5..f2727e8de9 100644
--- a/libiberty/argv.c
+++ b/libiberty/argv.c
@@ -1,5 +1,5 @@
/* Create and destroy argument vectors (argv's)
- Copyright (C) 1992, 2001, 2010 Free Software Foundation, Inc.
+ Copyright (C) 1992, 2001, 2010, 2012 Free Software Foundation, Inc.
Written by Fred Fish @ Cygnus Support
This file is part of the libiberty library.
@@ -72,20 +72,13 @@ dupargv (char **argv)
/* the vector */
for (argc = 0; argv[argc] != NULL; argc++);
- copy = (char **) malloc ((argc + 1) * sizeof (char *));
- if (copy == NULL)
- return NULL;
-
+ copy = (char **) xmalloc ((argc + 1) * sizeof (char *));
+
/* the strings */
for (argc = 0; argv[argc] != NULL; argc++)
{
int len = strlen (argv[argc]);
- copy[argc] = (char *) malloc (len + 1);
- if (copy[argc] == NULL)
- {
- freeargv (copy);
- return NULL;
- }
+ copy[argc] = (char *) xmalloc (len + 1);
strcpy (copy[argc], argv[argc]);
}
copy[argc] = NULL;
@@ -149,7 +142,7 @@ remains unchanged. The last element of the vector is followed by a
@code{NULL} element.
All of the memory for the pointer array and copies of the string
-is obtained from @code{malloc}. All of the memory can be returned to the
+is obtained from @code{xmalloc}. All of the memory can be returned to the
system with the single function call @code{freeargv}, which takes the
returned result of @code{buildargv}, as it's argument.
@@ -205,21 +198,12 @@ char **buildargv (const char *input)
if (argv == NULL)
{
maxargc = INITIAL_MAXARGC;
- nargv = (char **) malloc (maxargc * sizeof (char *));
+ nargv = (char **) xmalloc (maxargc * sizeof (char *));
}
else
{
maxargc *= 2;
- nargv = (char **) realloc (argv, maxargc * sizeof (char *));
- }
- if (nargv == NULL)
- {
- if (argv != NULL)
- {
- freeargv (argv);
- argv = NULL;
- }
- break;
+ nargv = (char **) xrealloc (argv, maxargc * sizeof (char *));
}
argv = nargv;
argv[argc] = NULL;
@@ -284,13 +268,7 @@ char **buildargv (const char *input)
}
}
*arg = EOS;
- argv[argc] = strdup (copybuf);
- if (argv[argc] == NULL)
- {
- freeargv (argv);
- argv = NULL;
- break;
- }
+ argv[argc] = xstrdup (copybuf);
argc++;
argv[argc] = NULL;
@@ -457,14 +435,7 @@ expandargv (int *argcp, char ***argvp)
file_argv = buildargv (buffer);
/* If *ARGVP is not already dynamically allocated, copy it. */
if (!argv_dynamic)
- {
- *argvp = dupargv (*argvp);
- if (!*argvp)
- {
- fputs ("\nout of memory\n", stderr);
- xexit (1);
- }
- }
+ *argvp = dupargv (*argvp);
/* Count the number of arguments. */
file_argc = 0;
while (file_argv[file_argc])