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Clean up the source directory finding code, and in the process fix a

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problem that occurs when a program's source isn't found.
This commit is contained in:
joe 2000-12-24 12:21:15 +00:00
parent f295d51c11
commit 766c10a107
1 changed files with 24 additions and 16 deletions
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40
usr.sbin/crunch/crunchgen/crunchgen.c
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@ -515,7 +515,6 @@ void gen_outputs(void)
void fillin_program(prog_t *p)
{
char path[MAXPATHLEN];
char *srcparent;
char line[MAXLINELEN];
FILE *f;
@ -524,27 +523,29 @@ void fillin_program(prog_t *p)
if(!p->ident)
p->ident = genident(p->name);
/* look for the source directory if one wasn't specified by a special */
if(!p->srcdir) {
srcparent = dir_search(p->name);
if(srcparent)
snprintf(line, MAXLINELEN, "%s/%s", srcparent, p->name);
if(is_dir(line))
if ((p->srcdir = strdup(line)) == NULL)
out_of_memory();
p->srcdir = dir_search(p->name);
}
/* Determine the actual srcdir (maybe symlinked). */
snprintf(line, MAXLINELEN, "cd %s && echo -n `/bin/pwd`", p->srcdir);
f = popen(line,"r");
if (f) {
if (p->srcdir) {
snprintf(line, MAXLINELEN, "cd %s && echo -n `/bin/pwd`", p->srcdir);
f = popen(line,"r");
if (!f)
errx(1, "Can't execute: %s\n", line);
path[0] = '\0';
fgets(path, sizeof path, f);
if (!pclose(f)) {
p->realsrcdir = strdup(path);
}
if (pclose(f))
errx(1, "Can't execute: %s\n", line);
if (!*path)
errx(1, "Can't perform pwd on: %s\n", p->srcdir);
p->realsrcdir = strdup(path);
}
if (!p->realsrcdir)
errx(1, "Can't execute: %s\n", line);
/* Unless the option to make object files was specified the
* the objects will be built in the source directory unless
@ -809,10 +810,17 @@ char *dir_search(char *progname)
{
char path[MAXPATHLEN];
strlst_t *dir;
char *srcdir;
for(dir=srcdirs; dir != NULL; dir=dir->next) {
snprintf(path, MAXPATHLEN, "%s/%s", dir->str, progname);
if(is_dir(path)) return dir->str;
if (!is_dir(path)) {
continue;
}
if ((srcdir = strdup(path)) == NULL)
out_of_memory();
return srcdir;
}
return NULL;
}