diff options
Diffstat (limited to 'rdoff/v1/rdflib.c')
| -rw-r--r-- | rdoff/v1/rdflib.c | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/rdoff/v1/rdflib.c b/rdoff/v1/rdflib.c deleted file mode 100644 index 58465626..00000000 --- a/rdoff/v1/rdflib.c +++ /dev/null @@ -1,235 +0,0 @@ -/* rdflib - manipulate RDOFF library files (.rdl) */ - -/* an rdoff library is simply a sequence of RDOFF object files, each - preceded by the name of the module, an ASCII string of up to 255 - characters, terminated by a zero. There may be an optional - directory placed on the end of the file. The format of the - directory will be 'RDL' followed by a version number, followed by - the length of the directory, and then the directory, the format of - which has not yet been designed. */ - -#include <stdio.h> -#include <errno.h> -#include <string.h> - -/* functions supported: - create a library (no extra operands required) - add a module from a library (requires filename and name to give mod.) - remove a module from a library (requires given name) - extract a module from the library (requires given name and filename) - list modules */ - -const char *usage = - "usage:\n" - " rdflib x libname [extra operands]\n\n" - " where x is one of:\n" - " c - create library\n" - " a - add module (operands = filename module-name)\n" - " r - remove (module-name)\n" - " x - extract (module-name filename)\n" - " t - list\n"; - -char **_argv; - -#define _ENDIANNESS 0 /* 0 for little, 1 for big */ - -static void longtolocal(long * l) -{ -#if _ENDIANNESS - unsigned char t; - unsigned char * p = (unsigned char *) l; - - t = p[0]; - p[0] = p[3]; - p[3] = t; - t = p[1]; - p[1] = p[2]; - p[2] = p[1]; -#endif -} - -void copybytes(FILE *fp, FILE *fp2, int n) -{ - int i,t; - - for (i = 0 ; i < n; i++ ) - { - t = fgetc(fp); - if (t == EOF) - { - fprintf(stderr,"ldrdf: premature end of file in '%s'\n", - _argv[2]); - exit(1); - } - if (fp2) - if (fputc(t, fp2) == EOF) - { - fprintf(stderr,"ldrdf: write error\n"); - exit(1); - } - } -} - -long copylong(FILE *fp, FILE *fp2) -{ - long l; - int i,t; - unsigned char * p = (unsigned char *) &l; - - - for (i = 0 ; i < 4; i++ ) /* skip magic no */ - { - t = fgetc(fp); - if (t == EOF) - { - fprintf(stderr,"ldrdf: premature end of file in '%s'\n", - _argv[2]); - exit(1); - } - if (fp2) - if (fputc(t, fp2) == EOF) - { - fprintf(stderr,"ldrdf: write error\n"); - exit(1); - } - *p++ = t; - } - longtolocal (&l); - return l; -} - -int main(int argc, char **argv) -{ - FILE *fp, *fp2; - char *p, buf[256]; - int i; - - _argv = argv; - - if (argc < 3 || !strncmp(argv[1],"-h",2) || !strncmp(argv[1],"--h",3)) - { - printf(usage); - exit(1); - } - - switch(argv[1][0]) - { - case 'c': /* create library */ - fp = fopen(argv[2],"wb"); - if (! fp) { - fprintf(stderr,"ldrdf: could not open '%s'\n",argv[2]); - perror("ldrdf"); - exit(1); - } - fclose(fp); - break; - - case 'a': /* add module */ - if (argc < 5) { - fprintf(stderr,"ldrdf: required parameter missing\n"); - exit(1); - } - fp = fopen(argv[2],"ab"); - if (! fp) - { - fprintf(stderr,"ldrdf: could not open '%s'\n",argv[2]); - perror("ldrdf"); - exit(1); - } - - fp2 = fopen(argv[3],"rb"); - if (! fp) - { - fprintf(stderr,"ldrdf: could not open '%s'\n",argv[3]); - perror("ldrdf"); - exit(1); - } - - p = argv[4]; - do { - if ( fputc(*p,fp) == EOF ) { - fprintf(stderr,"ldrdf: write error\n"); - exit(1); - } - } while (*p++); - - while (! feof (fp2) ) { - i = fgetc (fp2); - if (i == EOF) { - break; - } - - if ( fputc(i, fp) == EOF ) { - fprintf(stderr,"ldrdf: write error\n"); - exit(1); - } - } - fclose(fp2); - fclose(fp); - break; - - case 'x': - if (argc < 5) { - fprintf(stderr,"ldrdf: required parameter missing\n"); - exit(1); - } - - fp = fopen(argv[2],"rb"); - if (! fp) - { - fprintf(stderr,"ldrdf: could not open '%s'\n",argv[2]); - perror("ldrdf"); - exit(1); - } - - fp2 = NULL; - while (! feof(fp) ) { - /* read name */ - p = buf; - while( ( *(p++) = (char) fgetc(fp) ) ) - if (feof(fp)) break; - - if (feof(fp)) break; - - /* check against desired name */ - if (! strcmp(buf,argv[3]) ) - { - fp2 = fopen(argv[4],"wb"); - if (! fp2) - { - fprintf(stderr,"ldrdf: could not open '%s'\n", argv[4]); - perror("ldrdf"); - exit(1); - } - } - else - fp2 = NULL; - - /* step over the RDOFF file, copying it if fp2 != NULL */ - copybytes(fp,fp2,6); /* magic number */ - copybytes(fp,fp2, copylong(fp,fp2)); /* header */ - copybytes(fp,fp2, copylong(fp,fp2)); /* text */ - copybytes(fp,fp2, copylong(fp,fp2)); /* data */ - - if (fp2) - break; - } - fclose(fp); - if (fp2) - fclose(fp2); - else - { - fprintf(stderr,"ldrdf: module '%s' not found in '%s'\n", - argv[3],argv[2]); - exit(1); - } - break; - - default: - fprintf(stderr,"ldrdf: command '%c' not recognised\n", - argv[1][0]); - exit(1); - } - return 0; -} - |