sergiotarxz/nuttx
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No longer uses _GNU_SOURCE-specific asprintf()

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@276 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2007-06-09 19:45:33 +00:00
parent 9ab11697a8
commit 40513d77ab
3 changed files with 16 additions and 6 deletions
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2
ChangeLog
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@ -169,5 +169,7 @@
* Restructured some Makefiles to better handle enabling and disabling
NuttX features without having so much conditional compilation in the
source files.
* tools/mkconfig.c: No long depends on asprintf() and _GNU_SOURCE and
so should now build in non-GNU, non-GLIBC environments.
* Started m68322

2
Documentation/NuttX.html
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@ -603,6 +603,8 @@ Other memory:
* Restructured some Makefiles to better handle enabling and disabling
NuttX features without having so much conditional compilation in the
source files.
* tools/mkconfig.c: No long depends on asprintf() and _GNU_SOURCE and
so should now build in non-GNU, non-GLIBC environments.
* Started m68322
</pre></ul>

18
tools/mkconfig.c
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@ -33,16 +33,16 @@
*
************************************************************/
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <ctype.h>
#include <unistd.h>
#include <errno.h>
#define DEFCONFIG ".config"
#define LINESIZE 256
#define LINESIZE ( PATH_MAX > 256 ? PATH_MAX : 256 )
static char line[LINESIZE+1];
@ -154,6 +154,13 @@ static void parse_file(FILE *stream)
while (ptr);
}
static inline char *getfilepath(const char *name)
{
snprintf(line, PATH_MAX, "%s/" DEFCONFIG, name);
line[PATH_MAX] = '\0';
return strdup(line);
}
static void show_usage(const char *progname)
{
fprintf(stderr, "USAGE: %s <abs path to .config>\n", progname);
@ -164,7 +171,6 @@ int main(int argc, char **argv, char **envp)
{
char *filepath;
FILE *stream;
int status;
if (argc != 2)
{
@ -172,10 +178,10 @@ int main(int argc, char **argv, char **envp)
show_usage(argv[0]);
}
status = asprintf(&filepath, "%s/" DEFCONFIG, argv[1]);
if (status < 0)
filepath = getfilepath(argv[1]);
if (!filepath)
{
fprintf(stderr, "asprintf failed\n");
fprintf(stderr, "getfilepath failed\n");
exit(2);
}