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-rw-r--r--Src/hist.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/Src/hist.c b/Src/hist.c
index 5281e8718..db2cc4ad7 100644
--- a/Src/hist.c
+++ b/Src/hist.c
@@ -842,7 +842,7 @@ histsubchar(int c)
break;
case 'A':
- if (!chrealpath(&sline)) {
+ if (!chrealpath(&sline, 'A')) {
herrflush();
zerr("modifier failed: A");
return -1;
@@ -1922,9 +1922,18 @@ chabspath(char **junkptr)
return 1;
}
+/*
+ * Resolve symlinks in junkptr.
+ *
+ * If mode is 'A', resolve dot-dot before symlinks. Else, mode should be 'P'.
+ * Refer to the documentation of the :A and :P modifiers for details.
+ *
+ * Return 0 for error, non-zero for success.
+ */
+
/**/
int
-chrealpath(char **junkptr)
+chrealpath(char **junkptr, char mode)
{
char *str;
#ifdef HAVE_REALPATH
@@ -1936,12 +1945,14 @@ chrealpath(char **junkptr)
# endif
#endif
+ DPUTS1(mode != 'A' && mode != 'P', "chrealpath: mode='%c' is invalid", mode);
+
if (!**junkptr)
return 1;
- /* Notice that this means ..'s are applied before symlinks are resolved! */
- if (!chabspath(junkptr))
- return 0;
+ if (mode == 'A')
+ if (!chabspath(junkptr))
+ return 0;
#ifndef HAVE_REALPATH
return 1;