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Diffstat (limited to 'src/nvim/strings.c')
-rw-r--r--src/nvim/strings.c25
1 files changed, 21 insertions, 4 deletions
diff --git a/src/nvim/strings.c b/src/nvim/strings.c
index 5b6fbf75a9..0dc27061f4 100644
--- a/src/nvim/strings.c
+++ b/src/nvim/strings.c
@@ -45,6 +45,7 @@
#include "nvim/window.h"
#include "nvim/os/os.h"
#include "nvim/os/shell.h"
+#include "nvim/eval/encode.h"
/*
* Copy "string" into newly allocated memory.
@@ -587,19 +588,29 @@ static varnumber_T tv_nr(typval_T *tvs, int *idxp)
/// @param[in] tvs List of VimL values. List is terminated by VAR_UNKNOWN
/// value.
/// @param[in,out] idxp Index in a list. Will be incremented.
+/// @param[out] tofree If the idxp entry in tvs is not a String or a Number,
+/// it will be converted to String in the same format
+/// as ":echo" and stored in "*tofree". The caller must
+/// free "*tofree".
///
/// @return String value or NULL in case of error.
-static char *tv_str(typval_T *tvs, int *idxp)
+static char *tv_str(typval_T *tvs, int *idxp, char ** const tofree)
FUNC_ATTR_NONNULL_ALL FUNC_ATTR_WARN_UNUSED_RESULT
{
int idx = *idxp - 1;
- char *s = NULL;
+ char *s = NULL;
if (tvs[idx].v_type == VAR_UNKNOWN) {
EMSG(_(e_printf));
} else {
(*idxp)++;
- s = (char *)get_tv_string_chk(&tvs[idx]);
+ if (tvs[idx].v_type == VAR_STRING || tvs[idx].v_type == VAR_NUMBER) {
+ s = (char *)get_tv_string_chk(&tvs[idx]);
+ *tofree = NULL;
+ } else {
+ s = encode_tv2echo(&tvs[idx], NULL);
+ *tofree = s;
+ }
}
return s;
}
@@ -813,6 +824,9 @@ int vim_vsnprintf(char *str, size_t str_m, const char *fmt, va_list ap,
// current conversion specifier character
char fmt_spec = '\0';
+ // buffer for 's' and 'S' specs
+ char *tofree = NULL;
+
p++; // skip '%'
// parse flags
@@ -919,7 +933,8 @@ int vim_vsnprintf(char *str, size_t str_m, const char *fmt, va_list ap,
case 's':
case 'S':
- str_arg = tvs ? tv_str(tvs, &arg_idx) : va_arg(ap, char *);
+ str_arg = tvs ? tv_str(tvs, &arg_idx, &tofree)
+ : va_arg(ap, char *);
if (!str_arg) {
str_arg = "[NULL]";
str_arg_l = 6;
@@ -1370,6 +1385,8 @@ int vim_vsnprintf(char *str, size_t str_m, const char *fmt, va_list ap,
str_l += pn;
}
}
+
+ xfree(tofree);
}
}