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Handle realloc() failures better

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Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson 2020-01-05 07:21:15 +01:00
parent deb2884310
commit cf8f962e4f
1 changed files with 10 additions and 3 deletions
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13
src/editline.c
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@ -178,8 +178,12 @@ static void tty_put(const char c)
Screen[ScreenCount] = c; Screen[ScreenCount] = c;
if (++ScreenCount >= ScreenSize) { if (++ScreenCount >= ScreenSize) {
char *ptr;
ScreenSize += SCREEN_INC; ScreenSize += SCREEN_INC;
Screen = realloc(Screen, sizeof(char) * ScreenSize); ptr = realloc(Screen, sizeof(char) * ScreenSize);
if (ptr)
Screen = ptr;
} }
} }
@ -1281,9 +1285,12 @@ static char *read_redirected(void)
int oldpos = end - line; int oldpos = end - line;
size += MEM_INC; size += MEM_INC;
p = line = realloc(line, sizeof(char) * size); p = realloc(line, sizeof(char) * size);
if (!p) if (!p) {
free(line);
return NULL; return NULL;
}
line = p;
end = p + size; end = p + size;
p += oldpos; /* Continue where we left off... */ p += oldpos; /* Continue where we left off... */