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Fix undefined behaviour and save some bytes as suggested by Manuel Novoa III

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This commit is contained in:
Glenn L McGrath 2002-12-10 03:16:37 +00:00
parent 38386d7fed
commit 7b4e89b9e3
1 changed files with 10 additions and 12 deletions
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20
coreutils/realpath.c
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@ -21,24 +21,22 @@
int realpath_main(int argc, char **argv)
{
char *resolved_path;
int count;
RESERVE_CONFIG_BUFFER(resolved_path, PATH_MAX);
if (argc == 1) {
if (--argc == 0) {
show_usage();
}
resolved_path = malloc(PATH_MAX);
for (count = 1; count < argc; count++) {
resolved_path = realpath(argv[count], resolved_path);
if (resolved_path) {
do {
argv++;
if (realpath(*argv, resolved_path) != NULL) {
puts(resolved_path);
} else {
perror_msg("%s", argv[count]);
perror_msg("%s", *argv);
}
}
free(resolved_path);
} while (--argc);
RELEASE_CONFIG_BUFFER(resolved_path);
return(EXIT_SUCCESS);
}