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Merge #1983: Fix coverity issues. (5)

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This commit is contained in:
Eliseo Martínez 2015-02-20 18:50:06 +01:00
commit d35820379f
3 changed files with 51 additions and 59 deletions
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3
src/nvim/ex_eval.c
View File

@ -1028,7 +1028,8 @@ void ex_continue(exarg_T *eap)
* next). Therefor, inactivate all conditionals except the ":while"
* itself (if reached). */
idx = cleanup_conditionals(cstack, CSF_WHILE | CSF_FOR, FALSE);
if (idx >= 0 && (cstack->cs_flags[idx] & (CSF_WHILE | CSF_FOR))) {
assert(idx >= 0);
if (cstack->cs_flags[idx] & (CSF_WHILE | CSF_FOR)) {
rewind_conditionals(cstack, idx, CSF_TRY, &cstack->cs_trylevel);
/*

91
src/nvim/message.c
View File

@ -3101,6 +3101,7 @@ int vim_snprintf(char *str, size_t str_m, char *fmt, ...)
int vim_vsnprintf(char *str, size_t str_m, char *fmt, va_list ap, typval_T *tvs)
{
size_t str_l = 0;
bool str_avail = str_l < str_m;
char *p = fmt;
int arg_idx = 1;
@ -3108,15 +3109,15 @@ int vim_vsnprintf(char *str, size_t str_m, char *fmt, va_list ap, typval_T *tvs)
p = "";
while (*p != NUL) {
if (*p != '%') {
size_t n = xstrchrnul(p + 1, '%') - p;
/* Copy up to the next '%' or NUL without any changes. */
if (str_l < str_m) {
size_t n = (size_t)(xstrchrnul(p + 1, '%') - p);
if (str_avail) {
size_t avail = str_m - str_l;
memmove(str + str_l, p, n > avail ? avail : n);
memmove(str + str_l, p, MIN(n, avail));
str_avail = n < avail;
}
p += n;
assert(n <= SIZE_MAX - str_l);
str_l += n;
} else {
size_t min_field_width = 0, precision = 0;
@ -3666,17 +3667,16 @@ int vim_vsnprintf(char *str, size_t str_m, char *fmt, va_list ap, typval_T *tvs)
* this does not include the zero padding in case of numerical
* conversions*/
if (!justify_left) {
assert(str_arg_l <= SIZE_MAX - number_of_zeros_to_pad);
if (min_field_width > str_arg_l + number_of_zeros_to_pad) {
/* left padding with blank or zero */
int pn = (int)(min_field_width - (str_arg_l + number_of_zeros_to_pad));
if (pn > 0) {
if (str_l < str_m) {
size_t pn = min_field_width - (str_arg_l + number_of_zeros_to_pad);
if (str_avail) {
size_t avail = str_m - str_l;
memset(str + str_l, zero_padding ? '0' : ' ',
(size_t)pn > avail ? avail
: (size_t)pn);
memset(str + str_l, zero_padding ? '0' : ' ', MIN(pn, avail));
str_avail = pn < avail;
}
assert(pn <= SIZE_MAX - str_l);
str_l += pn;
}
}
@ -3688,67 +3688,58 @@ int vim_vsnprintf(char *str, size_t str_m, char *fmt, va_list ap, typval_T *tvs)
* force it to be copied later in its entirety */
zero_padding_insertion_ind = 0;
} else {
/* insert first part of numerics (sign or '0x') before zero
* padding */
int zn = (int)zero_padding_insertion_ind;
if (zn > 0) {
if (str_l < str_m) {
/* insert first part of numerics (sign or '0x') before zero padding */
if (zero_padding_insertion_ind > 0) {
size_t zn = zero_padding_insertion_ind;
if (str_avail) {
size_t avail = str_m - str_l;
memmove(str + str_l, str_arg,
(size_t)zn > avail ? avail
: (size_t)zn);
memmove(str + str_l, str_arg, MIN(zn, avail));
str_avail = zn < avail;
}
assert(zn <= SIZE_MAX - str_l);
str_l += zn;
}
/* insert zero padding as requested by the precision or min
* field width */
zn = (int)number_of_zeros_to_pad;
if (zn > 0) {
if (str_l < str_m) {
size_t avail = str_m-str_l;
memset(str + str_l, '0',
(size_t)zn > avail ? avail
: (size_t)zn);
/* insert zero padding as requested by precision or min field width */
if (number_of_zeros_to_pad > 0) {
size_t zn = number_of_zeros_to_pad;
if (str_avail) {
size_t avail = str_m - str_l;
memset(str + str_l, '0', MIN(zn, avail));
str_avail = zn < avail;
}
assert(zn <= SIZE_MAX - str_l);
str_l += zn;
}
}
/* insert formatted string
* (or as-is conversion specifier for unknown conversions) */
{
int sn = (int)(str_arg_l - zero_padding_insertion_ind);
if (sn > 0) {
if (str_l < str_m) {
if (str_arg_l > zero_padding_insertion_ind) {
size_t sn = str_arg_l - zero_padding_insertion_ind;
if (str_avail) {
size_t avail = str_m - str_l;
memmove(str + str_l,
str_arg + zero_padding_insertion_ind,
(size_t)sn > avail ? avail : (size_t)sn);
MIN(sn, avail));
str_avail = sn < avail;
}
assert(sn <= SIZE_MAX - str_l);
str_l += sn;
}
}
/* insert right padding */
if (justify_left) {
assert(str_arg_l <= SIZE_MAX - number_of_zeros_to_pad);
if (min_field_width > str_arg_l + number_of_zeros_to_pad) {
/* right blank padding to the field width */
int pn = (int)(min_field_width
- (str_arg_l + number_of_zeros_to_pad));
if (pn > 0) {
if (str_l < str_m) {
size_t pn = min_field_width - (str_arg_l + number_of_zeros_to_pad);
if (str_avail) {
size_t avail = str_m - str_l;
memset(str + str_l, ' ',
(size_t)pn > avail ? avail
: (size_t)pn);
memset(str + str_l, ' ', MIN(pn, avail));
str_avail = pn < avail;
}
assert(pn <= SIZE_MAX - str_l);
str_l += pn;
}
}

4
src/nvim/screen.c
View File

@ -5654,7 +5654,7 @@ next_search_hl_pos(
continue;
}
if (posmatch->pos[i].lnum == lnum) {
if (shl->lnum == lnum) {
if (bot != -1) {
// partially sort positions by column numbers
// on the same line
if (posmatch->pos[i].col < posmatch->pos[bot].col) {
@ -5670,7 +5670,7 @@ next_search_hl_pos(
}
}
posmatch->cur = 0;
if (shl->lnum == lnum) {
if (bot != -1) {
colnr_T start = posmatch->pos[bot].col == 0
? 0: posmatch->pos[bot].col - 1;
colnr_T end = posmatch->pos[bot].col == 0