/*
checkin.c
The Revision Control System
Dwayne Phillips
November 1991
*/
#include "rcs.h"
main(argc, argv)
int argc;
char *argv[];
{
char rcs_name[80], source_name[80], string[80];
FILE *rcs_file, *source_file, *xxx_file;
int leave_source = 0, one = 1, result, rev;
struct stat rcs_file_status;
if( (argc < 2) || (argc > 3)){
printf("\n\n\tusage: checkin [-l] source-file\n");
exit(1);
}
if(argc == 2){
strcpy(source_name, argv[1]);
if((source_file = fopen(source_name, "r")) == '\0'){
printf("\ncheckin>> "
"cannot open the source file >>%s<<", source_name);
exit(-1);
}
}
if(argc == 3){
if( (strncmp("-l", argv[1], 2) == 0)){
leave_source = 1;
strcpy(source_name, argv[2]);
if((source_file = fopen(source_name, "r")) == '\0'){
printf("\ncheckin>> "
"cannot open the source file >>%s<<",
source_name);
exit(-1);
}
}
else{
printf("\n\n\tusage: checkin [-l] source-file\n");
exit(3);
}
} /* ends if argc == 3 */
create_rcs_file_name(source_name, rcs_name);
/* does an rcs file already exist? */
result = stat(rcs_name, &rcs_file_status);
if(result == -1){ /* rcs file does not yet exist */
if((rcs_file = fopen(rcs_name, "w")) == '\0'){
printf("\ncheckin>> "
"cannot create the rcs file >>%s<<", rcs_name);
exit(-1);
}
else{
get_header_lines(rcs_file, one);
copy_source_to_rcs(source_file, rcs_file);
fclose(rcs_file);
fclose(source_file);
if(leave_source == 0)
unlink(source_name);
} /* ends else we can create the rcs file */
} /* ends if result == -1 */
if(result == 0){ /* rcs file already exists */
if((rcs_file = fopen(rcs_name, "r")) == '\0'){
printf("\ncheckin>> "
"cannot open the rcs file >>%s<<", rcs_name);
exit(-1);
}
get_latest_revision_number(rcs_file, &rev);
rev++;
fseek(rcs_file, 0L, SEEK_SET);
if((xxx_file = fopen("RCS/((((", "w")) == '\0'){
printf("\ncheckin>> " "cannot create the temp file ((((");
exit(-1);
}
get_header_lines(xxx_file, rev);
copy_source_to_rcs(source_file, xxx_file);
while( fgets(string, 80, rcs_file) != '\0')
fputs(string, xxx_file);
fclose(xxx_file);
fclose(rcs_file);
fclose(source_file);
unlink(rcs_name);
if(leave_source == 0)
unlink(source_name);
sprintf(string, "copy RCS/(((( %s", rcs_name);
replace_slash(string);
system(string);
unlink("RCS/((((");
} /* ends if result == 0 */
} /* ends main */
*/
copy_source_to_rcs(FILE *source_file, FILE *rcs_file)
/*
copy_source_to_rcs(FILE *source_file, FILE *rcs_file)
{
char line[80];
while( fgets(line, 80, source_file) != '\0'){
fputs(line, rcs_file);
}
fputs(DELIMETER, rcs_file);
}
/*
get_latest_revision_number(FILE *rcs_file, int *rev)
*/
get_latest_revision_number(FILE *rcs_file, int *rev)
{
char *line;
fgets(line, 80, rcs_file);
fgets(line, 80, rcs_file);
*rev = atoi(line);
}
/* End of File */