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-rw-r--r--src/nvim/ex_cmds.c21
-rw-r--r--src/nvim/ex_cmds2.c16
-rw-r--r--src/nvim/ex_docmd.c4
-rw-r--r--src/nvim/ex_eval.c3
-rw-r--r--src/nvim/ex_getln.c4
-rw-r--r--src/nvim/fileio.c7
-rw-r--r--src/nvim/fold.c8
-rw-r--r--src/nvim/hardcopy.c4
-rw-r--r--src/nvim/memory.c35
-rw-r--r--src/nvim/message.c9
10 files changed, 53 insertions, 58 deletions
diff --git a/src/nvim/ex_cmds.c b/src/nvim/ex_cmds.c
index f5fa16a139..ef9affcdf6 100644
--- a/src/nvim/ex_cmds.c
+++ b/src/nvim/ex_cmds.c
@@ -10,6 +10,7 @@
* ex_cmds.c: some functions for command line commands
*/
+#include <assert.h>
#include <errno.h>
#include <stdbool.h>
#include <string.h>
@@ -90,8 +91,9 @@ void do_ascii(exarg_T *eap)
int cc[MAX_MCO];
int ci = 0;
int len;
+ const bool l_enc_utf8 = enc_utf8;
- if (enc_utf8)
+ if (l_enc_utf8)
c = utfc_ptr2char(get_cursor_pos_ptr(), cc);
else
c = gchar_cursor();
@@ -123,20 +125,20 @@ void do_ascii(exarg_T *eap)
vim_snprintf((char *)IObuff, IOSIZE,
_("<%s>%s%s %d, Hex %02x, Octal %03o"),
transchar(c), buf1, buf2, cval, cval, cval);
- if (enc_utf8)
+ if (l_enc_utf8)
c = cc[ci++];
else
c = 0;
}
/* Repeat for combining characters. */
- while (has_mbyte && (c >= 0x100 || (enc_utf8 && c >= 0x80))) {
+ while (has_mbyte && (c >= 0x100 || (l_enc_utf8 && c >= 0x80))) {
len = (int)STRLEN(IObuff);
/* This assumes every multi-byte char is printable... */
if (len > 0)
IObuff[len++] = ' ';
IObuff[len++] = '<';
- if (enc_utf8 && utf_iscomposing(c)
+ if (l_enc_utf8 && utf_iscomposing(c)
# ifdef USE_GUI
&& !gui.in_use
# endif
@@ -148,7 +150,7 @@ void do_ascii(exarg_T *eap)
: _("> %d, Hex %08x, Octal %o"), c, c, c);
if (ci == MAX_MCO)
break;
- if (enc_utf8)
+ if (l_enc_utf8)
c = cc[ci++];
else
c = 0;
@@ -2764,9 +2766,12 @@ do_ecmd (
/* Autocommands may open a new window and leave oldwin open
* which leads to crashes since the above call sets
* oldwin->w_buffer to NULL. */
- if (curwin != oldwin && oldwin != aucmd_win
- && win_valid(oldwin) && oldwin->w_buffer == NULL)
- win_close(oldwin, FALSE);
+ if (curwin != oldwin && oldwin != aucmd_win && win_valid(oldwin)) {
+ assert(oldwin);
+ if (oldwin->w_buffer == NULL) {
+ win_close(oldwin, FALSE);
+ }
+ }
if (aborting()) { /* autocmds may abort script processing */
free(new_name);
diff --git a/src/nvim/ex_cmds2.c b/src/nvim/ex_cmds2.c
index 6e31142137..1636d62c74 100644
--- a/src/nvim/ex_cmds2.c
+++ b/src/nvim/ex_cmds2.c
@@ -10,6 +10,7 @@
* ex_cmds2.c: some more functions for command line commands
*/
+#include <assert.h>
#include <errno.h>
#include <inttypes.h>
#include <stdbool.h>
@@ -2404,11 +2405,13 @@ do_source (
// time_fd was successfully opened afterwards.
proftime_T rel_time;
proftime_T start_time;
- if (time_fd != NULL) {
+ FILE * const l_time_fd = time_fd;
+ if (l_time_fd != NULL) {
time_push(&rel_time, &start_time);
}
- if (do_profiling == PROF_YES)
+ const int l_do_profiling = do_profiling;
+ if (l_do_profiling == PROF_YES)
prof_child_enter(&wait_start); /* entering a child now */
/* Don't use local function variables, if called from a function.
@@ -2422,6 +2425,7 @@ do_source (
save_current_SID = current_SID;
FileID file_id;
bool file_id_ok = os_fileid((char *)fname_exp, &file_id);
+ assert(script_items.ga_len >= 0);
for (current_SID = script_items.ga_len; current_SID > 0; --current_SID) {
si = &SCRIPT_ITEM(current_SID);
// Compare dev/ino when possible, it catches symbolic links.
@@ -2455,7 +2459,7 @@ do_source (
new_script_vars(current_SID);
}
- if (do_profiling == PROF_YES) {
+ if (l_do_profiling == PROF_YES) {
int forceit;
/* Check if we do profiling for this script. */
@@ -2477,7 +2481,7 @@ do_source (
DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_REPEAT);
retval = OK;
- if (do_profiling == PROF_YES) {
+ if (l_do_profiling == PROF_YES) {
/* Get "si" again, "script_items" may have been reallocated. */
si = &SCRIPT_ITEM(current_SID);
if (si->sn_prof_on) {
@@ -2501,7 +2505,7 @@ do_source (
verbose_leave();
}
- if (time_fd != NULL) {
+ if (l_time_fd != NULL) {
vim_snprintf((char *)IObuff, IOSIZE, "sourcing %s", fname);
time_msg((char *)IObuff, &start_time);
time_pop(rel_time);
@@ -2517,7 +2521,7 @@ do_source (
current_SID = save_current_SID;
restore_funccal(save_funccalp);
- if (do_profiling == PROF_YES)
+ if (l_do_profiling == PROF_YES)
prof_child_exit(&wait_start); /* leaving a child now */
fclose(cookie.fp);
free(cookie.nextline);
diff --git a/src/nvim/ex_docmd.c b/src/nvim/ex_docmd.c
index 21c877e2b9..67c346237c 100644
--- a/src/nvim/ex_docmd.c
+++ b/src/nvim/ex_docmd.c
@@ -7699,6 +7699,10 @@ eval_vars (
sprintf((char *)strbuf, "%" PRId64, (int64_t)sourcing_lnum);
result = strbuf;
break;
+ default:
+ // should not happen
+ *errormsg = (char_u *)"";
+ return NULL;
}
resultlen = (int)STRLEN(result); /* length of new string */
diff --git a/src/nvim/ex_eval.c b/src/nvim/ex_eval.c
index 3e1672c2e7..fba0b93253 100644
--- a/src/nvim/ex_eval.c
+++ b/src/nvim/ex_eval.c
@@ -9,8 +9,8 @@
/*
* ex_eval.c: functions for Ex command line for the +eval feature.
*/
+#include <assert.h>
#include <stdbool.h>
-
#include <inttypes.h>
#include "nvim/vim.h"
@@ -670,6 +670,7 @@ static void report_pending(int action, int pending, void *value)
char *s;
int save_msg_silent;
+ assert(value || !(pending & CSTP_THROW));
switch (action) {
case RP_MAKE:
diff --git a/src/nvim/ex_getln.c b/src/nvim/ex_getln.c
index b8d8837092..5feff4d456 100644
--- a/src/nvim/ex_getln.c
+++ b/src/nvim/ex_getln.c
@@ -4245,8 +4245,10 @@ void init_history(void)
for (i = newlen - 1;; --i) {
if (i >= 0) /* copy newest entries */
temp[i] = history[type][j];
- else /* remove older entries */
+ else { /* remove older entries */
free(history[type][j].hisstr);
+ history[type][j].hisstr = NULL;
+ }
if (--j < 0)
j = hislen - 1;
if (j == hisidx[type])
diff --git a/src/nvim/fileio.c b/src/nvim/fileio.c
index ecc05a9faa..05a0a59874 100644
--- a/src/nvim/fileio.c
+++ b/src/nvim/fileio.c
@@ -1751,7 +1751,9 @@ failed:
# ifdef USE_ICONV
if (iconv_fd != (iconv_t)-1) {
iconv_close(iconv_fd);
+# ifndef __clang_analyzer__
iconv_fd = (iconv_t)-1;
+# endif
}
# endif
@@ -6189,12 +6191,9 @@ aucmd_prepbuf (
}
}
- /* Allocate "aucmd_win" when needed. If this fails (out of memory) fall
- * back to using the current window. */
+ /* Allocate "aucmd_win" when needed. */
if (win == NULL && aucmd_win == NULL) {
win_alloc_aucmd_win();
- if (aucmd_win == NULL)
- win = curwin;
}
if (win == NULL && aucmd_win_used)
/* Strange recursive autocommand, fall back to using the current
diff --git a/src/nvim/fold.c b/src/nvim/fold.c
index 95f1e054b9..6014dbfd15 100644
--- a/src/nvim/fold.c
+++ b/src/nvim/fold.c
@@ -22,6 +22,7 @@
#include "nvim/diff.h"
#include "nvim/eval.h"
#include "nvim/ex_docmd.h"
+#include "nvim/func_attr.h"
#include "nvim/indent.h"
#include "nvim/mark.h"
#include "nvim/memline.h"
@@ -1680,7 +1681,9 @@ static void foldDelMarker(linenr_T lnum, char_u *marker, int markerlen)
* When 'foldtext' isn't set puts the result in "buf[51]". Otherwise the
* result is in allocated memory.
*/
-char_u *get_foldtext(win_T *wp, linenr_T lnum, linenr_T lnume, foldinfo_T *foldinfo, char_u *buf)
+char_u *get_foldtext(win_T *wp, linenr_T lnum, linenr_T lnume,
+ foldinfo_T *foldinfo, char_u *buf)
+ FUNC_ATTR_NONNULL_ARG(1)
{
char_u *text = NULL;
/* an error occurred when evaluating 'fdt' setting */
@@ -1689,8 +1692,7 @@ char_u *get_foldtext(win_T *wp, linenr_T lnum, linenr_T lnume, foldinfo_T *foldi
static win_T *last_wp = NULL;
static linenr_T last_lnum = 0;
- if (last_wp != wp || last_wp == NULL
- || last_lnum > lnum || last_lnum == 0)
+ if (last_wp == NULL || last_wp != wp || last_lnum > lnum || last_lnum == 0)
/* window changed, try evaluating foldtext setting once again */
got_fdt_error = FALSE;
diff --git a/src/nvim/hardcopy.c b/src/nvim/hardcopy.c
index c6354d6c5f..2ef35fdac6 100644
--- a/src/nvim/hardcopy.c
+++ b/src/nvim/hardcopy.c
@@ -3006,7 +3006,7 @@ int mch_print_text_out(char_u *p, int len)
/* Convert from multi-byte to 8-bit encoding */
p = string_convert(&prt_conv, p, &len);
if (p == NULL)
- p = (char_u *)"";
+ p = (char_u *)xstrdup("");
}
if (prt_out_mbyte) {
@@ -3054,7 +3054,7 @@ int mch_print_text_out(char_u *p, int len)
}
/* Need to free any translated characters */
- if (prt_do_conv && (*p != NUL))
+ if (prt_do_conv)
free(p);
prt_text_run += char_width;
diff --git a/src/nvim/memory.c b/src/nvim/memory.c
index 4b24213ecd..0e7f8a9071 100644
--- a/src/nvim/memory.c
+++ b/src/nvim/memory.c
@@ -78,17 +78,11 @@ static void try_to_free_memory(void)
/// @return pointer to allocated space. NULL if out of memory
void *try_malloc(size_t size) FUNC_ATTR_MALLOC FUNC_ATTR_ALLOC_SIZE(1)
{
+ size = size ? size : 1;
void *ret = malloc(size);
-
- if (!ret && !size) {
- ret = malloc(1);
- }
if (!ret) {
try_to_free_memory();
ret = malloc(size);
- if (!ret && !size) {
- ret = malloc(1);
- }
}
return ret;
}
@@ -120,7 +114,6 @@ void *xmalloc(size_t size)
FUNC_ATTR_MALLOC FUNC_ATTR_ALLOC_SIZE(1) FUNC_ATTR_NONNULL_RET
{
void *ret = try_malloc(size);
-
if (!ret) {
OUT_STR(e_outofmem);
out_char('\n');
@@ -138,23 +131,16 @@ void *xmalloc(size_t size)
void *xcalloc(size_t count, size_t size)
FUNC_ATTR_MALLOC FUNC_ATTR_ALLOC_SIZE_PROD(1, 2) FUNC_ATTR_NONNULL_RET
{
- void *ret = calloc(count, size);
-
- if (!ret && (!count || !size))
- ret = calloc(1, 1);
-
+ void *ret = count && size ? calloc(count, size) : calloc(1, 1);
if (!ret) {
try_to_free_memory();
- ret = calloc(count, size);
- if (!ret && (!count || !size))
- ret = calloc(1, 1);
+ ret = count && size ? calloc(count, size) : calloc(1, 1);
if (!ret) {
OUT_STR(e_outofmem);
out_char('\n');
preserve_exit();
}
}
-
return ret;
}
@@ -166,23 +152,16 @@ void *xcalloc(size_t count, size_t size)
void *xrealloc(void *ptr, size_t size)
FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_ALLOC_SIZE(2) FUNC_ATTR_NONNULL_RET
{
- void *ret = realloc(ptr, size);
-
- if (!ret && !size)
- ret = realloc(ptr, 1);
-
+ void *ret = size ? realloc(ptr, size) : realloc(ptr, 1);
if (!ret) {
try_to_free_memory();
- ret = realloc(ptr, size);
- if (!ret && !size)
- ret = realloc(ptr, 1);
+ ret = size ? realloc(ptr, size) : realloc(ptr, 1);
if (!ret) {
OUT_STR(e_outofmem);
out_char('\n');
preserve_exit();
}
}
-
return ret;
}
@@ -195,14 +174,12 @@ void *xmallocz(size_t size)
FUNC_ATTR_MALLOC FUNC_ATTR_NONNULL_RET FUNC_ATTR_WARN_UNUSED_RESULT
{
size_t total_size = size + 1;
- void *ret;
-
if (total_size < size) {
OUT_STR(_("Vim: Data too large to fit into virtual memory space\n"));
preserve_exit();
}
- ret = xmalloc(total_size);
+ void *ret = xmalloc(total_size);
((char*)ret)[size] = 0;
return ret;
diff --git a/src/nvim/message.c b/src/nvim/message.c
index 58dbee8cf9..ee83fd371e 100644
--- a/src/nvim/message.c
+++ b/src/nvim/message.c
@@ -12,6 +12,7 @@
#define MESSAGE_FILE /* don't include prototype for smsg() */
+#include <assert.h>
#include <errno.h>
#include <inttypes.h>
#include <stdbool.h>
@@ -691,8 +692,10 @@ int delete_first_msg(void)
return FAIL;
p = first_msg_hist;
first_msg_hist = p->next;
- if (first_msg_hist == NULL)
- last_msg_hist = NULL; /* history is empty */
+ if (first_msg_hist == NULL) { /* history is becoming empty */
+ assert(msg_hist_len == 1);
+ last_msg_hist = NULL;
+ }
free(p->msg);
free(p);
--msg_hist_len;
@@ -3320,7 +3323,6 @@ int vim_vsnprintf(char *str, size_t str_m, char *fmt, va_list ap, typval_T *tvs)
case 'c':
case 's':
case 'S':
- length_modifier = '\0';
str_arg_l = 1;
switch (fmt_spec) {
case '%':
@@ -3584,7 +3586,6 @@ int vim_vsnprintf(char *str, size_t str_m, char *fmt, va_list ap, typval_T *tvs)
* zero value is formatted with an
* explicit precision of zero */
precision = num_of_digits + 1;
- precision_specified = 1;
}
}
/* zero padding to specified precision? */