hasufell/half-edge
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Optimize file reading function

Browse Source 
Former-commit-id: fd7b0850c404210c9cb73d698e3750ef656f2f78
This commit is contained in:
hasufell 2014-06-08 03:01:51 +02:00
parent a9ddb5622b
commit a2ce97bef9
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
src/filereader.c
View File

@ -76,8 +76,13 @@ char *read_file(char const * const filename)
int fd = 0; int fd = 0;
size_t str_size = 0; size_t str_size = 0;
ssize_t n; ssize_t n;
size_t file_length = 0;
fd = open(filename, O_RDONLY); fd = open(filename, O_RDONLY);
file_length = lseek(fd, 0, SEEK_END) + 1;
lseek(fd, 0, SEEK_SET);
string = malloc(sizeof(char) * file_length);
if (fd != -1) { if (fd != -1) {
/* read and copy chunks */ /* read and copy chunks */
@ -88,11 +93,6 @@ char *read_file(char const * const filename)
str_size += n; /* count total bytes read */ str_size += n; /* count total bytes read */
REALLOC( /* allocate correct size */
string, /* pointer to realloc */
str_size /* total bytes read */
+ 1); /* space for trailing NULL byte */
/* append buffer to string */ /* append buffer to string */
memcpy(string + (str_size - n), buf, (size_t)n); memcpy(string + (str_size - n), buf, (size_t)n);
} }