obitools/sumalibs
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 10 Wiki Activity

Added an error check when reading an input file

Browse Source
This commit is contained in:
Celine Mercier
2016-02-22 15:27:05 +01:00
parent 049129488e
commit fa22ffb493
1 changed files with 7 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
libfile/fileHandling.c
View File

@ -44,7 +44,7 @@ FILE *file_openrw(char* fileName, BOOL abortOnError)
/* /*
* Function Name: fileNextChar(FILE* fp) * Function Name: fileNextChar(FILE* fp)
* Description: Reads the file and returns next character, if file is null or its end of file, returns \<5C>. * Description: Reads the file and returns next character, if file is null or its end of file, returns \<5C>.
*/ */
char file_nextChar(FILE* fp) char file_nextChar(FILE* fp)
{ {
@ -59,7 +59,7 @@ char file_nextChar(FILE* fp)
/* /*
* Function Name: *fileNextLine(FILE *fp, char *buffer, int32_t bufferSize) * Function Name: *fileNextLine(FILE *fp, char *buffer, int32_t bufferSize)
* Description: Reads the file and returns next line, if file is null or its end of file, returns \<5C>. * Description: Reads the file and returns next line, if file is null or its end of file, returns \<5C>.
*/ */
char *file_nextLine(FILE *fp, char *buffer, int32_t bufferSize) char *file_nextLine(FILE *fp, char *buffer, int32_t bufferSize)
{ {
@ -76,7 +76,11 @@ char *file_nextLine(FILE *fp, char *buffer, int32_t bufferSize)
void exitIfEmptyFile(FILE *file) void exitIfEmptyFile(FILE *file)
{ {
long savedOffset = ftell(file); long savedOffset = ftell(file);
fseek(file, 0, SEEK_END); if (fseek(file, 0, SEEK_END) != 0)
{
fprintf(stderr, "\nError moving the offset in an input file\n");
exit(1);
}
if (ftell(file) == 0) if (ftell(file) == 0)
{ {