diff options
Diffstat (limited to 'ine_io.c')
-rw-r--r-- | ine_io.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/ine_io.c b/ine_io.c new file mode 100644 index 0000000..46d1716 --- /dev/null +++ b/ine_io.c @@ -0,0 +1,53 @@ +#include <stdio.h> +#include <errno.h> + +void scan_for_begin(int *m_p, int *n_p, char **type_p){ + char buf[BUFSIZ]; + char *cursor; + int m,n; + + while ( fgets(buf,BUFSIZ,stdin) !=NULL ) { + fputs(buf,stdout); + for (cursor=buf; isblank(*cursor); cursor++); + if (strncmp(cursor,"begin",5)==0) break; + } + + if (fgets(buf,BUFSIZ,stdin)==NULL) { + fprintf(stderr,"No parameter line"); + exit(1); + } + + m=strtol(buf,&cursor,10); + if (errno==ERANGE || m==0){ + fprintf(stderr,"Missing or absurd row count"); + exit(1); + } + *m_p=m; + + n=strtol(cursor,&cursor,10); + if (errno==ERANGE || m==0){ + fprintf(stderr,"Missing or absurd column count"); + exit(1); + } + + *n_p=n; + + while (isblank(*cursor)){ + cursor++; + } + + *type_p=cursor; + +} + +void check_type( char *type, char *ok[], int count){ + int i; + for (i=0; i< count; i++){ + if (strncmp(type,ok[i],strlen(ok[i]))==0) + return; + } + + fprintf(stderr,"Type %s not permitted\n", + type); + exit(1); +} |