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Code Issues Releases Wiki Activity

Peter Pentchev found two problems. One realloc problem that could allocate

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too little data, and one case of not zero-terminating the returned string.

I chose a slightly different patch than the one Peter provided.
This commit is contained in:
Daniel Stenberg 2003-09-03 15:37:30 +00:00
parent f7db3023a8
commit f193ab4b59
1 changed files with 11 additions and 3 deletions
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14
tests/server/getpart.c
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@ -19,12 +19,16 @@ char *appendstring(char *string, /* original string */
int *stringlen, int *stralloc)
{
int len = strlen(buffer);
int needed_len = len + *stringlen;
if((len + *stringlen) >= *stralloc) {
char *newptr= realloc(string, *stralloc*2);
if(needed_len >= *stralloc) {
char *newptr;
long newsize = needed_len*2; /* get twice the needed size */
newptr = realloc(string, newsize);
if(newptr) {
string = newptr;
*stralloc *= 2;
*stralloc = newsize;
}
else
return NULL;
@ -56,6 +60,10 @@ char *spitout(FILE *stream, char *main, char *sub, int *size)
} state = STATE_OUTSIDE;
string = (char *)malloc(stralloc);
if(!string)
return NULL;
string[0] = 0; /* zero first byte in case of no data */
while(fgets(buffer, sizeof(buffer), stream)) {