-
/*
* path.c -- return a pathname
*
#include <h/mh.h>
-#define CWD "./"
-#define NCWD (sizeof(CWD) - 1)
-#define DOT "."
-#define DOTDOT ".."
-#define PWD "../"
-#define NPWD (sizeof(PWD) - 1)
+#define CWD "./"
+#define NCWD (sizeof(CWD) - 1)
+#define DOT "."
+#define DOTDOT ".."
+#define PWD "../"
+#define NPWD (sizeof(PWD) - 1)
static char *pwds;
char *
path(char *name, int flag)
{
- register char *cp, *ep;
+ register char *cp, *ep;
- if ((cp = expath (name, flag))
- && (ep = cp + strlen (cp) - 1) > cp
- && *ep == '/')
- *ep = '\0';
+ if ((cp = expath (name, flag))
+ && (ep = cp + strlen (cp) - 1) > cp
+ && *ep == '/')
+ *ep = '\0';
- return cp;
+ return cp;
}
static char *
expath (char *name, int flag)
{
- register char *cp, *ep;
- char buffer[BUFSIZ];
-
- if (flag == TSUBCWF) {
- snprintf (buffer, sizeof(buffer), "%s/%s", getfolder (1), name);
- name = m_mailpath (buffer);
- compath (name);
- snprintf (buffer, sizeof(buffer), "%s/", m_maildir (""));
- if (ssequal (buffer, name)) {
- cp = name;
- name = getcpy (name + strlen (buffer));
- free (cp);
+ register char *cp, *ep;
+ char buffer[BUFSIZ];
+
+ if (flag == TSUBCWF) {
+ snprintf (buffer, sizeof(buffer), "%s/%s", getfolder (1), name);
+ name = m_mailpath (buffer);
+ compath (name);
+ snprintf (buffer, sizeof(buffer), "%s/", m_maildir (""));
+ if (ssequal (buffer, name)) {
+ cp = name;
+ name = getcpy (name + strlen (buffer));
+ free (cp);
+ }
+ flag = TFOLDER;
}
- flag = TFOLDER;
- }
-
- if (*name == '/'
- || (flag == TFOLDER
- && (strncmp (name, CWD, NCWD)
- && strcmp (name, DOT)
- && strcmp (name, DOTDOT)
- && strncmp (name, PWD, NPWD))))
- return getcpy (name);
-
- if (pwds == NULL)
- pwds = pwd ();
-
- if (strcmp (name, DOT) == 0 || strcmp (name, CWD) == 0)
- return getcpy (pwds);
-
- ep = pwds + strlen (pwds);
- if ((cp = strrchr(pwds, '/')) == NULL)
- cp = ep;
- else
- if (cp == pwds)
- cp++;
-
- if (strncmp (name, CWD, NCWD) == 0)
- name += NCWD;
-
- if (strcmp (name, DOTDOT) == 0 || strcmp (name, PWD) == 0) {
- snprintf (buffer, sizeof(buffer), "%.*s", (int)(cp - pwds), pwds);
- return getcpy (buffer);
- }
- if (strncmp (name, PWD, NPWD) == 0)
- name += NPWD;
- else
- cp = ep;
+ if (*name == '/' || (flag == TFOLDER
+ && (strncmp (name, CWD, NCWD) && strcmp (name, DOT)
+ && strcmp (name, DOTDOT) && strncmp (name, PWD, NPWD))))
+ return getcpy (name);
+
+ if (pwds == NULL)
+ pwds = pwd ();
+
+ if (strcmp (name, DOT) == 0 || strcmp (name, CWD) == 0)
+ return getcpy (pwds);
- snprintf (buffer, sizeof(buffer), "%.*s/%s", (int)(cp - pwds), pwds, name);
- return getcpy (buffer);
+ ep = pwds + strlen (pwds);
+ if ((cp = strrchr(pwds, '/')) == NULL)
+ cp = ep;
+ else
+ if (cp == pwds)
+ cp++;
+
+ if (strncmp (name, CWD, NCWD) == 0)
+ name += NCWD;
+
+ if (strcmp (name, DOTDOT) == 0 || strcmp (name, PWD) == 0) {
+ snprintf (buffer, sizeof(buffer), "%.*s", (int)(cp - pwds), pwds);
+ return getcpy (buffer);
+ }
+
+ if (strncmp (name, PWD, NPWD) == 0)
+ name += NPWD;
+ else
+ cp = ep;
+
+ snprintf (buffer, sizeof(buffer), "%.*s/%s", (int)(cp - pwds), pwds, name);
+ return getcpy (buffer);
}
static void
compath (char *f)
{
- register char *cp, *dp;
-
- if (*f != '/')
- return;
-
- for (cp = f; *cp;)
- if (*cp == '/') {
- switch (*++cp) {
- case 0:
- if (--cp > f)
- *cp = '\0';
- break;
-
- case '/':
- for (dp = cp; *dp == '/'; dp++)
- continue;
- strcpy (cp--, dp);
- continue;
-
- case '.':
- if (strcmp (cp, DOT) == 0) {
- if (cp > f + 1)
- cp--;
- *cp = '\0';
+ register char *cp, *dp;
+
+ if (*f != '/')
+ return;
+
+ for (cp = f; *cp;)
+ if (*cp == '/') {
+ switch (*++cp) {
+ case 0:
+ if (--cp > f)
+ *cp = '\0';
+ break;
+
+ case '/':
+ for (dp = cp; *dp == '/'; dp++)
+ continue;
+ strcpy (cp--, dp);
+ continue;
+
+ case '.':
+ if (strcmp (cp, DOT) == 0) {
+ if (cp > f + 1)
+ cp--;
+ *cp = '\0';
+ break;
+ }
+ if (strcmp (cp, DOTDOT) == 0) {
+ for (cp -= 2; cp > f; cp--)
+ if (*cp == '/')
+ break;
+ if (cp <= f)
+ cp = f + 1;
+ *cp = '\0';
+ break;
+ }
+ if (strncmp (cp, PWD, NPWD) == 0) {
+ for (dp = cp - 2; dp > f; dp--)
+ if (*dp == '/')
+ break;
+ if (dp <= f)
+ dp = f;
+ strcpy (dp, cp + NPWD - 1);
+ cp = dp;
+ continue;
+ }
+ if (strncmp (cp, CWD, NCWD) == 0) {
+ strcpy (cp - 1, cp + NCWD - 1);
+ cp--;
+ continue;
+ }
+ continue;
+
+ default:
+ cp++;
+ continue;
+ }
break;
- }
- if (strcmp (cp, DOTDOT) == 0) {
- for (cp -= 2; cp > f; cp--)
- if (*cp == '/')
- break;
- if (cp <= f)
- cp = f + 1;
- *cp = '\0';
- break;
- }
- if (strncmp (cp, PWD, NPWD) == 0) {
- for (dp = cp - 2; dp > f; dp--)
- if (*dp == '/')
- break;
- if (dp <= f)
- dp = f;
- strcpy (dp, cp + NPWD - 1);
- cp = dp;
- continue;
- }
- if (strncmp (cp, CWD, NCWD) == 0) {
- strcpy (cp - 1, cp + NCWD - 1);
- cp--;
- continue;
- }
- continue;
-
- default:
- cp++;
- continue;
- }
- break;
- }
- else
- cp++;
+ } else
+ cp++;
}
projects / mmh / blobdiff