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cc65/libsrc/common/fgets.c
cuz 6e37905b18 Completed _scanf.c, added vsscanf.c, rewrote sscanf.c.
Added an assembler include _file.inc and changed asm code that uses struct
FILE to be independent of its size.
Fixed return codes in several files to use EOF instead of -1.


git-svn-id: svn://svn.cc65.org/cc65/trunk@1205 b7a2c559-68d2-44c3-8de9-860c34a00d81
2002-03-24 13:26:18 +00:00

60 lines
878 B
C

/*
* Ullrich von Bassewitz, 11.08.1998
*
* char* fgets (char* s, int size, FILE* f);
*/
#include <stdio.h>
#include <errno.h>
#include "_file.h"
char* fgets (char* s, unsigned size, FILE* f)
{
int i, c;
/* We do not handle the case "size == 0" here */
i = 0; --size;
while (i < size) {
/* Get next character */
c = fgetc (f);
if (c == EOF) {
s [i] = 0;
/* Error or EOF */
if (f->f_flags & _FERROR) {
/* ERROR */
return 0;
} else {
/* EOF */
if (i) {
return s;
} else {
return 0;
}
}
}
/* One char more */
s [i++] = c;
/* Stop at end of line */
if (c == '\n') {
break;
}
}
/* Replace newline by NUL */
s [i-1] = '\0';
/* Done */
return s;
}