At line 221, the assignment (old_res_ptr = res_ptr) will lead to memory leak when iteration of corresponding loop is greater than 3.
189 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l189> /* Parse the file's contents. */ 190 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l190> char *res_ptr = NULL; 191 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l191> size_t res_size = 0; 192 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l192> 193 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l193> for (;;) 194 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l194> { 195 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l195> int c; 196 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l196> char buf1[50+1]; 197 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l197> char buf2[50+1]; 198 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l198> size_t l1, l2; 199 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l199> char *old_res_ptr; 200 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l200> 201 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l201> c = getc (fp); 202 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l202> if (c == EOF) 203 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l203> break; 204 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l204> if (c == '\n' || c == ' ' || c == '\t') 205 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l205> continue; 206 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l206> if (c == '#') 207 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l207> { 208 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l208> /* Skip comment, to end of line. */ 209 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l209> do 210 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l210> c = getc (fp); 211 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l211> while (!(c == EOF || c == '\n')); 212 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l212> if (c == EOF) 213 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l213> break; 214 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l214> continue; 215 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l215> } 216 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l216> ungetc (c, fp); 217 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l217> if (fscanf (fp, "%50s %50s", buf1, buf2) < 2) 218 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l218> break; 219 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l219> l1 = strlen (buf1); 220 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l220> l2 = strlen (buf2); 221 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l221> old_res_ptr = res_ptr; 222 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l222> if (res_size == 0) 223 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l223> { 224 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l224> res_size = l1 + 1 + l2 + 1; 225 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l225> res_ptr = (char *) malloc (res_size + 1); 226 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l226> } 227 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l227> else 228 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l228> { 229 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l229> res_size += l1 + 1 + l2 + 1; 230 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l230> res_ptr = (char *) realloc (res_ptr, res_size + 1); 231 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l231> } 232 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l232> if (res_ptr == NULL) 233 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l233> { 234 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l234> /* Out of memory. */ 235 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l235> res_size = 0; 236 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l236> free (old_res_ptr); 237 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l237> break; 238 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l238> } 239 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l239> strcpy (res_ptr + res_size - (l2 + 1) - (l1 + 1), buf1); 240 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l240> strcpy (res_ptr + res_size - (l2 + 1), buf2); 241 <http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/localcharset.c;h=b4af28cd#l241> }
